Murat Yazici

• Prof. Dr.
• Professor at Bursa Uludag University

The areas where the weld line is located are weak areas in terms of impact strength and tensile strength, which negatively affects the overall strength of the final product. It can also cause visual defects on the surface and create an aesthetically undesirable situation. The injection molding process introduces anisotropic behaviors in materials,...

The production of functional parts with 3D manufacturing techniques has started to disclose fascinating studies. Although only thermoplastic filaments were initially used, fiber-reinforced composite parts can be produced using developing techniques. This study investigated the quasi-static and dynamic mechanical performance of 3D printed continuous...

Bu çalışmada, z yönünde bağlayıcı iplikle birlikte 3 katmanlı tasarlanan kompozit levhaların balistik özellikleri, oluşturulan sonlu elemanlar modeli ile sayısal olarak incelenmiştir. Burada bağlayıcı z-ipliklerin kompozit levhaların balistik özelliklerine katkıları incelenmiştir. Kompozit levhalar tasarlanırken epoksi reçine matris malzemesi olara...

Road roughness, defined by the International Roughness Index (IRI), is a critical criterion for ride quality and comfort, meticulously monitored by road authorities to address maintenance needs. This paper introduces a new method to explore the suitability of bicycles as probe vehicles for measuring nonmotorized road roughness. For this purpose, po...

The torque rod is an important component of the suspension system that connects the axle to the chassis in heavy commercial vehicles. The main motivation of this study is the development of a torque rod made of (1) plus cross-section, (2) continuous carbon and glass fiber reinforced hybrid thermoplastic composites, which can replace a forged steel...

Background: The use of electric vehicles is expected to increase day by day. The operating conditions of the rotary shaft seals used in the powertrain of electric vehicles are more challenging than those of internal combustion engines. The maximum operating temperature of seal used in electric vehicles is 150℃ and the maximum operating speed is 16,...

This study presents an experimental investigation into the weldability of ABS M30 (acrylonitrile butadiene styrene) plates produced by Additive Manufacturing (AM) using Friction Stir Welding (FSW). The effects of FSW process parameters on the yield stress and their optimal levels were determined using the Taguchi method. The optimal welding paramet...

Sevgili okuyucular, Hayatta kullandığımız her ürün bir malzemeden üretilmekte ve günümüz teknolojileri ile birlikte kompozit malzemeler hayatımızda önemli bir yer tutmaktadır. Bu kitap, kompozit alanındaki bilimsel çalışmaları farklı mühendislik perspektiflerinden incelemektedir. Kompozit malzemeler üzerinde çeşitli malzemeler kullanarak yeni ürünl...

Sevgili okuyucular, Hayatta kullandığımız her ürün bir malzemeden üretilmekte ve günümüz teknolojileri ile birlikte kompozit malzemeler hayatımızda önemli bir yer tutmaktadır. Bu kitap, kompozit alanındaki bilimsel çalışmaları farklı mühendislik perspektiflerinden incelemektedir. Kompozit malzemeler üzerinde çeşitli malzemeler kullanarak yeni ürünl...

Çeki kolu (tork çubuğu), her iki ucunda burç bulunan ve ağır ticari araçlarda dingili şasiye bağlayan süspansiyon sisteminin önemli bir bileşenidir. Çok eksenli dinamik yükleme altında çalışması, üstün mekanik özelliklere sahip olmasını gerektirmektedir. Ayrıca günümüzde artan CO2 emisyonları sebebiyle, yakıt tüketiminin azaltılması veya hibrit ele...

By recycling the waste polymer material and using it in weight reduction studies of electric vehicles, a double-sided gain is achieved against environmental pollution. Sandwich structures with prismatic cores obtained by recycling waste polymers can be used in structural applications of light and heavy commercial vehicles and public transportation...

Sevgili okuyucular, Hayatta kullandığımız her ürün bir malzemeden üretilmekte ve günümüz teknolojileri ile birlikte kompozit malzemeler hayatımızda önemli bir yer tutmaktadır. Bu kitap, kompozit alanındaki bilimsel çalışmaları farklı mühendislik perspektiflerinden incelemektedir. Kompozit malzemeler üzerinde çeşitli malzemeler kullanarak yeni ürünl...

Sevgili okuyucular, Hayatta kullandığımız her ürün bir malzemeden üretilmekte ve günümüz teknolojileri ile birlikte kompozit malzemeler hayatımızda önemli bir yer tutmaktadır. Bu kitap, kompozit alanındaki bilimsel çalışmaları farklı mühendislik perspektiflerinden incelemektedir. Kompozit malzemeler üzerinde çeşitli malzemeler kullanarak yeni ürünl...

Sevgili okuyucular, Hayatta kullandığımız her ürün bir malzemeden üretilmekte ve günümüz teknolojileri ile birlikte kompozit malzemeler hayatımızda önemli bir yer tutmaktadır. Bu kitap, kompozit alanındaki bilimsel çalışmaları farklı mühendislik perspektiflerinden incelemektedir. Kompozit malzemeler üzerinde çeşitli malzemeler kullanarak yeni ürünl...

Sevgili okuyucular, Hayatta kullandığımız her ürün bir malzemeden üretilmekte ve günümüz teknolojileri ile birlikte kompozit malzemeler hayatımızda önemli bir yer tutmaktadır. Bu kitap, kompozit alanındaki bilimsel çalışmaları farklı mühendislik perspektiflerinden incelemektedir. Kompozit malzemeler üzerinde çeşitli malzemeler kullanarak yeni ürünl...

The automotive industry is rapidly moving towards autonomous vehicles. In this case, the answers of the vehicles can be change in different scenarios. At this point, the suspension system must be semi-active or fully active. Magnetorheological shock absorbers can be used in semi-active suspension systems. In this study, studies were carried out on...

In this study, a manganese dioxide (MnO2/polyaniline (PANI)/ single-walled carbon nanotube (SWCNT) nanocomposite electrode was prepared for pseudo-supercapacitors. To reduce the internal resistance of the electrode, increase the capacitance stability, and reduce the cost of single-walled carbon nanotubes, SWCNT was subjected to two-step acid etchin...

The most distinctive features of sound insulation structures are their flexibility and porosity. Therefore, the flexible epoxy matrix material was made cellular using a suitable foaming agent. In addition, hollow glass microspheres (HGMs) were added to the epoxy matrix. Thus, the sound wave refraction was increased by obtaining cavities in the cell...

The international roughness index (IRI) is one of the important criterion used to determine the roughness of roads. Various devices are available to determine IRI, however, they are mostly used to determine the condition of highways. Studies to determine the roughness of nonmotorized roads, such as bicycle roads, which have become increasingly impo...

Enerji depolama sistemleri içinde süperkapasitör çalışmaları son on yıldır önemli derecede artış göstermektedir. Süperkapasitörler, iki elektrot, bir ayırıcı ve bir elektrolit çözeltiden oluşan elektrokimyasal kapasitörlerdir. Süperkapasitör, kapasitör ve Li-ion bataryalardan ayıran en önemli özellikleri yüksek güç yoğunluğuna ve uzun döngü sayılar...

The piezoelectric vibration energy harvesting performance of an electrospun poly(vinylidene fluoride) (PVDF)/Barium Titanate (BaTiO3) nanocomposite piezo polymer nanogenerator was investigated in this study. To obtain the highest piezoelectric output value, electrospinning was performed using four distinct solvent volume ratios of Acetone/Dimethylf...

Purpose This study produced epoxy-filled urea-formaldehyde (UF) microcapsules (MCs) and T-403 amine MCs using the in situ technique. The Taguchi method was used to determine the effects of the control factors (temperature, stirring speed, core-shell ratio and surfactant concentration) affecting MCs’ core diameter and core content and optimizing th...

Özet: Taşıt kullanıcıları tarafından taşıtlardan beklenen birçok teknolojik yeniliklerin ve performans kriterlerinin yanında, yüksek olması beklenen en önemli kriterlerden biri de konfordur. Motor titreşimleri ve yol düzgünsüzlükleri gibi birçok etken konforu etkileyen titreşimlere sebebiyet vermektedir. Sürekli elyaf takviyeli termoplastik kompozi...

In this paper, the dynamic compression impact response of an aluminum honeycomb core filled with open-cell foams impregnated with self-healing liquid agents was investigated experimentally. Samples were subjected to a variety of impacts in order to determine healing time and self-healing performance. Three different sandwich specimens were develope...

Sandwich structures are structures with high specific flexural stiffness, high energy absorption capacity, and superior heat and sound insulation properties. Due to these features, they have become an important subject in the increasing number of automotive weight reduction studies in recent years. In sandwich structures, the core material and geom...

Günlük hayatta ve mühendislik uygulamalarında kullanılan malzemeler çeşitli nedenlerden dolayı hasara uğrarlar. Bu hasarların bazıları dışarıdan fark edilerek doğrudan onarılabilirken bazıları da hemen fark edilip müdahale edilemeyen hasarlardır. Onarımı zor olan bu hasarların iyileştirilebilmesi için doğadan ilham alınarak, kendi kendine iyileştir...

The self-healing of micro and macro cracks is vital for eliminating defects such as damage progression and loss of strength in structures. In this study, a polyurethane (PU) based geometrically self-healing sandwich structure was developed. The geometric healing agent, PU resin and activator, were filled into macrocapsules, and these capsules were...

Auxiliary metamaterials designed according to the Negative Poisson’s Ratio (NPR) property are exciting structures due to their high impact strength, impact energy absorption abilities, and different damage mechanisms. These good mechanical features are suitable for aviation, automotive, and protective construction applications. These structures, wh...

To access full text: https://authors.elsevier.com/a/1elab_rVKzvZAb ------------------------------------------------------------------------------------------------------------------ The use of piezoelectric materials is on the rise with their applications as generators, sensors, actuators, and transducers for different purposes such as energy har...

This study is about experimentally the dynamic compressive impact response and properties of aluminum honeycomb filled with foam and thermoset polymer resin for self-healing. In order to evaluate the healing efficiency, three different types of aluminum sandwich control samples were produced as Empty Core Cells (EC), Only Foam placed core cells (OF...

Nature is frequently used as inspiration when examining the structural properties of engineering materials and conducting research. In nature, humans, animals, and plants all have the ability to self-heal following physical injury, thereby extending their survival and lifespan. Self-healing polymer material studies based on this concept have demons...

Materials are subject to different damages such as aging, abrasion, cracks, or deformations for different reasons during their daily use. While apparent damage can be repaired, it is extremely difficult to discover and fix the damage in inaccessible or difficult-to-control sections in a timely manner. Especially in engineering materials, such damag...

Bu çalışmada, binek otomobillerde yolcu güvenliği açısından önemli olan B-Sütun parçasının hafifletilme çalışması yapılmıştır. Konvansiyonel çelik malzemeler yerine kullanılabilecek yeni bir malzeme arayışında bulunulmuştur. Bu kapsamda B-Sütun parçası için termoform özelliğe sahip sürekli cam elyaf takviyeli polipropilen termoplastik (GFRP) kompoz...

Sandwich materials have a lightweight core and two face sheets combined with increasing the materials’ bending rigidity with low density. Sandwich materials can be designed according to structural requirements. Nowadays, airplanes, ships, space vehicles, satellites, or wind turbines require lightweight structures with easy repairing. Self-healing m...

This study investigated the crack propagation behavior of the graphene-reinforced synthetic rubber matrix nanocomposite materials. Graphene-filled rubber conductive nanocomposites developed within the scope of this study were obtained in two stages using mechanical mixers. The relationship between crack propagation and electrical resistance change...

In this study, the synergistic effect created by adding Graphene (GE) nanoplatelets and carbon black (CB) fillers to the rubber matrix was used to determine the high stretchable sensor properties. GE and CB-filled rubber nanocomposite (HcN) strain sensors have been shown to detect and trace crack initiation and crack propagation of different sizes...

In this study, macro-capsules were developed by encapsulating epoxy and hardener agents for macro-level structural healing. Obtained macro-capsules were placed into an aluminum honeycomb core to obtain self-healable sandwich structures. In principle, the aim was to self-repair damaged sandwich structures by breaking the macro-capsules with the resu...

In this study, radial force, number of contacting caterpillars, and contact surfaces of rubber material-based Energy-Saving Rotary Shaft Seals (ERS), which are prototyped to be used in powertrains of new generation electric vehicles that can operate at high speeds and temperatures, were analyzed by experimental and Finite Element Analysis (FEA) was...

In this study, the impact behavior of sandwich panels of natural rubber-based syntactic foam cores with aluminum face sheets was investigated experimentally and with the help of finite element analysis (FEA). Syntactic foam cores were produced byadding glass bubbles (GB) to the natural rubber (NR). Natural rubber was dissolved at room temperature w...

In this study, macro-capsules were developed by encapsulating epoxy and hardener agents for macro-level structural healing. Obtained macro-capsules were placed into an aluminum honeycomb core to obtain self-healable sandwich structures. In principle, the aim was to self-repair damaged sandwich structures by breaking the macro-capsules with the resu...

In this study, epoxy resin with high-performance properties was used as a matrix material. As a reinforcement material, spread tow carbon fiber produced in different weaving designs was preferred instead of woven carbon fiber fabrics widely used. In addition, a single-wall carbon nanotube was added to the resin. Hand lay-up and hot press methods we...

Composite sandwich structures have become more attractive materials, thanks to their high strength, rigidity, and lightweight. In addition to being designable for the desired working conditions and many advantages (easy to install and assembly, being easily reparable etc.); due to the porous and hollow structure of the core geometries forming the s...

n this study, radial force, number of contacting caterpillars, and contact surfaces of rubber material-based Energy-Saving Rotary Shaft Seals (ERS), which are prototyped to be used in powertrains of new generation electric vehicles that can operate at high speeds and temperatures, were analyzed by experimental and Finite Element Analysis (FEA) was...

Elastomer-based nanocomposites(EcNs) were prepared with a novel mixing method to determine the deformation properties under constant amplitude dynamic operating conditions. The fillers of EcNs consists of functionalized(M-FCNTs) and nonfunctionalized carbon-nanotubes(M-NCNTs), graphite(GF) and carbon black(CB). In this study, six different mixtures...

In terms of vehicle dynamics, the suspension system must maintain good ride quality and handling performance against road irregularities, especially at high driving speeds. Air springs have been used in commercial vehicles and buses for many years to maintain ride height and increase vehicle comfort regardless of load. Due to the air springs' mater...

In this study, a novel crash box idea was presented, including a step by step collapsible structure by joining coaxial tubes with gradual bonding surface areas. This telescopic crash box was absorbed to impact energy by sequentially fracturing adhesive interfaces from the top tube to the back tubes. In each bonding interface fracture, a certain amo...

In this study, fully recyclable and elastic-plastic deformable sandwich panels were developed by considering the mass production requirements as well as the light-weighting needs of the automotive industry. Expanded Polypropylene (EPP) foam core and Self-Reinforced Polypropylene (SRPP) thermoplastic composite face sheets were selected to produce sa...

The finite element studies of hyperelastic materials always need founding a mathematical model describes the behavior of their elements. Several constitutive models differ in matching accuracy, can describe the behavior of hyperelastic material, such as Neo-Hookean, Yeoh, and Mooney-Rivlin, which are all derived from the strain energy density funct...

In the present study, an experimental investigation of the behavior of sandwich plates with different core densities and different surface plates under shock loads was carried out with the help of a shock tube setup. EPP foams of different densities were used as core material. Aluminum and continuous Carbon fiber reinforced thermoplastic composite...

This study is about the shock response of Continuous Filament Fiber Reinforced Thermoplastic Composite (CFRTC) plates subjected to blast loads. CFRTC plates were produced as layered structures with different configurations by using parameters such as the orientation angles, the number of layers, and fiber volume fractions. CFRTC plates were subject...

The new regulations introduced in the automotive industry, make CO2 emissions reduced to 95 g /km today. Also, one of the most critical obstacles to the evolution of the automotive sector from internal combustion engines to hybrid and electric motor vehicles is the limited range problem. The best-known solution method for both problems is to decrea...

Today, sandwich structures produced using carbon fiber reinforced thermoplastic polymers (CFRTP) with Low density, excellent mechanical properties and application areas are important research subjects in the composite material studies. In this study, composite sandwich panels having pyramidal lattice core structures were produced by using a manufac...

Lightweighting of vehicles is one of the fastest and most effective solutions in terms of increasing range, especially in electric and hybrid vehicles, and reducing harmful emissions in hydrocarbon-fueled vehicles. Composite materials offer a great alternative in this respect. However, in the passenger car field where mass production conditions are...

In this study, the flexural behavior of EPP (Expanded Polypropylene) foam core self-reinforced thermoplastic composite panel was determined by three-point bending experiments by ASTM D7250 Standard. The Finite Element Model was confirmed by experimental results. Three different EPP foam core with densities of 65.7, 36.5 and 27 kg / m3, respectively...

The finite element studies of hyperelastic materials always need founding a mathematical model describes the behavior of their elements. Several constitutive models differ in matching accuracy, can describe the behavior of hyperelastic material, such as Neo-Hookean, Yeoh, Mooney-Rivlin, which are all derived from the strain energy density function....

Syntactic foams are produced by adding hollow microspheres into the matrix material. These foam composites have superior properties due to their high specific strength, high damage tolerance, thermal and electrical insulation, and excellent damping properties. Syntactic foams can be converted to self-healing structures. Thus, the structure can impr...

In the presented study, a hybrid Natural Rubber (NR) based semiconductive nanocomposites was examined to obtain better electrical and mechanical properties. The hybrid nanocomposite produced by incorporation of the Multiwalled Carbon Nanotube (MWCNT) and graphite nanoparticles into the NR. The conventional curing additives also included in the comp...

In this paper, a set of experiments and FEA simulations are presented to simulate a Springback U-bending test. A set of tensile test is conducted to describe mechanical values of DC04, aluminum alloyed steel material which is commonly used in automotive parts. The experimental results in terms of engineering force and displacement values are measur...

The presented study is about the continuous filament E-glass fiber reinforced Polypropylene (PP) thermoplastic composite material based sandwich panels. A suitable production technique was developed for thermoplastic composite sandwich panels. Produced sandwich panels were subjected to impact compression and impact three-point bending loads. The sa...

In this paper, a set of experiments and FEA simulations are presented to simulate a Bulge test. Bulge test is used to evaluate the flow stress data in biaxial manner for higher strain values without localized necking compared to a uniaxial tensile test. For the beginning , a set of tensile test is conducted to describe the uniaxial mechanical value...

Thermoplastic polymer-based foam materials are used frequently due to their superior sound and heat insulation, low density, chemical stability, vibration damping, recycling, and reprocessing properties. In this study, low-density polyethylene material (LDPE) in the thermoplastic materials group was foamed. Sodium bicarbonate (NaHCO3) was used as t...

Flexible epoxy resin has low strength high elongation properties without post-curing. The flexible epoxy resin tensile strength was obtained as 2 MPa. The maximum strain was also more than 65% percent. The behavior of the materials up to breaking point showed high linearity with very low Elastic Modulus, which is 4.5 MPa. This flexible epoxy materi...

An elastoplastic deformable epoxy resin was obtained by using post-curing operation from a developed high flexible epoxy resin. The elasticity modulus increased from 4.5 MPa to 200 MPa, and tensile yield strength also increased from 1.5 MPa to 10 MPa by post-curing operations. After post-curing, the flexi-ble epoxy’s stress-strain curve also transf...

In the presented study, the static and dynamic performance of the 3d printed continuous filament carbon fiber reinforced sandwich panels were obtained. The sandwich panels were designed with lattice core and composite skins. Lattice core and face sheet were produced in a developed thermoplastic composite 3D printing device. The sandwich structure c...

The Multiwalled Carbon Nanotubes (MWCNT) have been attracting applied scientists on nanocomposites in consequence of their high aspect ratio, strength, and modulus, excellent electrical and thermal conductivities. Graphite (GR) has an excellent electrical and thermal conductivities. It also has a layered microstructure with a high aspect ratio in...

Radial lip seals operate between stationary machine body and rotating shaft during relative motion under continuously contacting to provide the sealing mechanism. Therefore, the complete modeling of a radial lip seal is very complicated. In this study, a hyperelastic elastomer based radial shaft lip seal mechanical simulations were performed using...

In this study, two different foam core aluminum face sheets sandwich panels were developed. The core materials were selected as expanded polypropylene (EPP) and extruded polystyrene (XPS) foams. Two aluminum face sheets and foam cores were combined with flexible epoxy-based adhesives, under 20 N static compression load. The average density of the p...

Nowadays, composite armor materials become more attractive comparing to traditional armor materials such as armor steels, with the developing technology, due to weight reduction needs. Unlike the ballistic steels, the composite armors stop the bullet even in repeated shots. In this study, selected composite vehicle armor materials; Ultra High Molec...

Natural rubber is usually reinforced with the different type of nanofillers such as carbon black, fullerene, carbon nanotube, graphite and graphene to get substantial electrical and mechanical properties. Many factors can influence the crack initiation and propagation resistance of the natural rubber. One of the most glaring factors is reinforcing...

Structures have been widely used in vehicles for light weighting and their superior structural capacity in carrying transverse loads. Sandwich structures typically consist of skins (surfacing and backing plates) and a core. Syntactic foam cores present various physical advantages than the conventional foam cores, such as high temperature and moistu...

In the presented study, Finite Element simulations of the sandwich pipes under quasi-static and impact loaded three-point bending, internal pressure, external pressure and axial compression were performed. Sandwich pipes were designed by using two thin coaxial pipes and lattice cores between them. The Core types were studied on the performance of s...

Crash boxes are the passive safety parts located between bumper and side rails absorbing initial kinetic energy in a frontal vehicle crash event by ensuring a low damage level on the auto-body frame. In the vehicle collision, crash box absorbs impact energy by collapsing so that there should be minimal damage to the vehicle parts behind it and also...

In the presented study, a hybrid NR based nanocomposites were examined to obtain better electrical and mechanical properties. The hybrid nanocomposite produced by incorporation of the Multiwalled Carbon Nanotube (MWCNT) and graphite nanoparticles into the NR. The conventional curing additives also included into the compound. A functionalized MWCNT...

Crash boxes are essential body elements in the vehicles that save the driver and passengers by reducing transferred impact energy to the life compartment. The thermoplastic composite materials are trend material for vehicle light-weighting due to high specific strength and specific rigidity. They also recyclable gives more advantage especially curr...

In the presented study, fully recyclable and lightweight all thermoplastic composites lattice truss core sandwich panels were developed and measured mechanical performances under quasi-static and impact compression and bending experiments. The lattice truss cores constructed of cubic, pyramidal and hexagonal prisms shaped unit cells. A pyramidal, h...

The extraordinary properties such as high aspect ratio, strength, modulus, excellent electrical and thermal conductivities of multiwall carbon nanotubes have generated scientific and technical interests in the development of nanotube-reinforced elastomer composites. Graphite is a layered material with a high aspect ratio in its exfoliated state; it...

In this study, two different foam core aluminum face sheets sandwich panels were developed. The core materials were selected as expanded polypropylene (EPP) and extruded polystyrene (XPS) foams. Two aluminum face sheets and foam cores were combined with flexible epoxy-based adhesives, under 20 N static compression load. The average density of the p...

In the present study, an elastomeric nanocomposite was prepared by two roller mixing mill with the Natural Rubber (NR) and Nano Graphene Platelets (NGP). The Nylon 6.6 cord fabrics were laminated with the prepared NR/NGP nanocomposite layers. The NR/NGP composites and Nylon 6.6 cord fabric laminated nanocomposite plates were cured at 165 °C for 10...

Adhesive bonding is preferred to join dissimilar materials. The fast and onsite applicability of the thermoplastic adhesive joining process makes them more attractive in the manufacturing industry. In sandwich structures, at least two elements were joined by using adhesive bonding. In the presented study, the hot melt Ethylene / Vinyl Acetate copol...

Sandwich panels consisting of two strong, stiff, and thin face sheets separated by a soft lightweight core are commonly used in aerospace and automobile structures because of their specific strength, stiffness, and great energy absorption potential. In the presented study, thermoplastic mono-filament pyramidal lattice core sandwich structures were...

A few studies exist in the open literature to clarify replacement of the recycled PTFE powders as feedstock in the original parts production. In this study, recyclability of the PTFE machining scraps by smashing method are investigated. The recycled PTFE (RC-PTFE) powders produced and used with virgin PTFE materials at various percentages. Influen...

Research studies on weight reduction for the automotive industry have been focused on composite materials in recent years. Due to the legal restrictions on CO2 emissions, thermoplastic matrix composites are now being used especially in the automotive industry to reduce weight with specific strength, formability, lightness, and recycling capabilitie...

In the present study, we produced a series of electrical conductive GE/rubber nanocomposites prepared by the two-phase mechanical mixing of the natural rubber compounds and nanographene. Test methods were developed to estimate crack propagation and electrical resistance relation. For these purpose nanocomposite specimen fixed between tensile-compre...

In this study, augmented Lagrangian method was used to solve the contact problem. During the analysis, stress values were stored to see the characteristic of stress. Composite materials in the automotive industry are not fully applied to current products. On the other hand, FEA models on composite modeling have been proceeding. Composite materials...

Air springs are used in automobile suspensions and perform under highly dynamic loading conditions. An essential component of an air spring mechanism is the rubber tube. The rubber tube produced from layered cord rubber composites. It is constructed as two-layer cord fabric reinforced rubber composites. The matrix crack, debonding and failure of th...

The pedestrian-vehicle collision is one of the most dangerous head injury reasons in the urban area. For passenger vehicles, hood design and material selection directly influence on the pedestrian head injury level. Sandwich structures alternatively may use for car hood instead of conventional steel hood for better pedestrian protection because of...

In the present study, an elastomeric nanocomposite was prepared by ultrasound-assisted mixing of the natural rubber latex (NR) and graphene (GE) nanoplatelets. The Nylon 6.6 fabrics were coated with the prepared NR/GE nanocomposite mixture by surface plastering. The NR/GE mixture coated Nylon 6.6 composite plates were cured at 165°C for 10 min unde...