Saeed Daneshmand

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• Doctor of Engineering
• Professor (Associate) at Islamic Azad University, Isfahan

In the recent study, accumulative roll bonding (ARB) and powder metallurgy processes are used as a combined technique to fabricate AA1050/TiC composite strips. Then, corrosion, mechanical, wear properties and microstructural evolution of them have been investigated via TiC Wt.%. All composite samples were fabricated after four cycles to get a unifo...

In the late 1980s, electrically assisted press bonding gained attention in the semiconductor industry due to its ability to improve bond quality and reliability. This bonding method has several advantages, including improved bond strength, reduced bonding time, and the ability to bond materials that are traditionally challenging to bond. This conne...

The use of graphite for the melting of nonferrous metal and alloys in electrical arc furnaces is a growing need in today’s world. This article evaluates the validity of SiC coating as a means to decrease the corrosion resistance of graphite through experiment. The model is the corrosion of graphite for use in high temperatures close to 750 °C (1,38...

In the present study, accumulative roll bonding is used to fabricate Al base composites with the thickness of 1 mm. then, fracture toughness, mechanical properties and forming limit diagrams (FLD) of them have been investigated versus ARB parameters experimentally. Boron nitride (BN) particles are used as reinforcements and Al/BN composites have be...

The forming limit diagram (FLD), mechanical properties and fracture toughness of aluminum foil composites fabricated via accumulative roll bonding (ARB) process have been investigated as its novelty for the first time. To do this, AA1050/TiC composite foils with thickness of 0.2 mm have been fabricated from one up to twelve ARB passes at 320 °C. Al...

Nowadays the consumption of graphite electrodes is the major portion of steel production costs in and electric arc furnace (EAF). The correct coating of electrodes can decrease the consumption of electrodes, in this study as its novelty. The validity of SiC/TiO2 productive coating is evaluated to decrease the corrosion of electrodes by using the nu...

Materials and alloys usually possess distinct properties. In contrast to conventional materials, employment of bi-metal laminates allows achievement of better performance in various properties, such as light density, high strength, high corrosion and wear resistances. Moreover, considering the agriculture machinery and equipment, there is a growing...

In this study, hybrid AA1050/Al2O3/TiO2 composites have been produced via combined liquid casting and powder metallurgy techniques. Degassing was utilized to improve the wettability of molten aluminum alloys, and then successful bonding was generated between aluminum matrix and reinforcement particles during the powder metallurgy technique. As the...

In recent years, bimetallic strips have been progressively used in manufacturing to make collective purposes. Amongst cladding approaches, the rolling process is one of the most popular processes in making bimetallic strips. In this study, a new analytical model based on the slab method has been proposed to predict the bond strength of two layer st...

In this study, we tried to make hybrid aluminum metal matrix composites (AMMCs) reinforced by adding steel slag and Gr particles in it by combined powder metallurgy and press bonding process with 15% of blast-furnace slag and variable values of Gr contents. By examining the composite microstructure, the excellent distribution of particles in matrix...

Compo-casting method is one of the popular techniques to produce metal-based matrix composites. But one of the main challenges in this process is un-uniform spreading of reinforced subdivisions (particles) inside the metallic matrix and the lack of desirable mechanical properties of the final produced composites due to the low bonding strength amon...

In this study as its novelty, Al/Al 2 O 3 composites have been fabricated combined stir casting and accumulative roll bonding (ARB) process. Then, the next step was the investigation of the effect of Nano Al 2 O 3 Vol.% on mechanical, wear and microstructural properties of these kind of composites. After the 4th cycle, an excellent particle distrib...

In the present study, AA7075/Al2O3 composites have been fabricated via liquid metallurgy process. AA7075 alloy and Al2O3 particles were taken as the base matrix and reinforcements, respectively. Then, contents of 3 and 6 wt. % of Al2O3 subdivisions were added into the AA7075 matrix. To improve wettability and distribution, reinforcement particles w...

One of the popular techniques to fabricate metal matrix composites is the compo-casting process. The un-uniform spreading of reinforced subdivisions (particles) inside the metallic matrix and the lack of desirable mechanical properties of the final produced composites due to the low bonding strength among the metal matrix and reinforcement particle...

This study first tried to fabricate AA1060/Al 2 O 3 composites via the stir casting and accumulative roll bonding process. Then, the effect of nano Al 2 O 3 Vol% on mechanical, wear, and microstructural properties of these kinds of composites have been investigated. An excellent particle distribution through the aluminum matrix has been achieved af...

Scope of the Thematic Issue: All submitted manuscripts will undergo a full peer review process. Areas of interest include but are not limited to:  New fabrication processes of laminated metal matrix composites  Finite element study on metal matrix composites  Theoretical and Experimental analysis of metal matrix composites  Interdisciplinary Ap...

In this study, Al/Al 2 O 3 composites have been fabricated by combined stir casting and accumulative press bonding (APB) processes. The effect of APB method on the bonding properties of bulk samples such as the number of APB process, Al 2 O 3 [Formula: see text]wt.% and the pressing temperature has been investigated by the peeling test. It is estab...

In this study, aluminum alloy 1050 and brass 70/30 are used to fabricate reinforced bimetal aluminum-5 % alumina (Al2O3)-bromine composites via a warm accumulative roll bonding (WARB) process. The aluminum and bromine strips were firstly welded together with the RB process up to 6 ARB cycles. In the WARB process, the rolled samples were preheated a...

In this investigation, Al1060 and pure copper are used to fabricate bi-metal Al–Cu composites via accumulative press bonding (APB) process. The Al and Cu bars were press bonded and continued up to five pressing steps. In the APB technique, the composites manufactured were heated at 320 ∘ C for about 8[Formula: see text]min and prior to each forming...

Needle graphite electrodes are one of the main parts used in electric arc furnaces. These electrodes have a significant impact on melt quality and product quality, and their consumption is one of the most important parameters of steel production cost in EAF furnaces. Therefore, reducing the consumption of needle graphite electrodes in these furnace...

The graphite electrodes consumed in an arc furnace account for a major portion of steel production costs; hence, the costs associated with steel production may be reduced by reducing electrode consumption. Proper coating of electrodes is one solution, among the many others developed in the course of arc furnace evolution, that might reduce electrod...

Ultrasonic very high cycle fatigue testing finds many advantages in fatigue studies especially in very low fatigue crack growth rate investigations. In this application, the determination of the stress intensity factor has a key role and presenting a general approach to calculate stress intensity factor in reasonable time and ultimate accuracy is n...

Today, there is a rapid growing demand for graphite electrodes used at steel making factories. Graphite electrodes are expensive materials that are used at steel making factories. Increasing the working longevity of these materials can significantly improve the benefit of steel melting process. Therefore, the increase in the stability of graphite a...

In this study, aluminum alloy AA1050/ titanium dioxide (TiO2) composites were produced by warm accumulative roll bonding (ARB). In the initial cycle, TiO2 particles were uniformly poured between strips and this process was continued up to eight cycles. Corrosion properties of the composites were studied by potentiodynamic polarization and electroch...

In this study, the effect of powder particle contents on the mechanical properties of aluminum-based hybrid composites produced by warm accumulative roll bonding (WARB) process was investigated. Three hybrid composite groups with fully annealed AA1060 strips, 1[Formula: see text]wt.% of MnO 2 and 0, 7.5 and 15[Formula: see text]wt.% of TiO 2 were f...

In this study, electrically assisted accumulative roll bonding (EARB) process has been proposed and applied to produce metal matrix composite (MMC: AA5083/-1 % aluminum oxide [Al2O3]). This process can be used to fabricate the MMCs needed in various industries such as automobile and aerospace with appropriate mechanical properties. The alloy was de...

In this paper, due to some problems deriving from using multiple inputs in fuzzy logic procedure, a simpler high demanding method, which can eliminate some complicated fuzzy membership functions trends is represented. This method is so-called weighed normalized fuzzy method. Despite simple calculations used in the method and user capability to use...

This paper aims to study the influence of Al2O3 particle addition to Al alloys. The effects of reinforcement volumes in a metal matrix alloy on response variables were investigated towards the highlighting of this process with the goal of achieving high process performance. In this study, the comparison between EDM of Al/Al2O3 metal matrix composit...

Purpose The purpose of equal channel angular pressing (ECAP) is producing ultra-fine grain materials. In practical applications, it is important to understand and predict effect of different process parameters on deformed parts. One of the most important process parameters is friction coefficient. Behavior evaluation of different lubricants in the...

The goal of studying the vehicle suspension systems is to reduce the vehicle vibrations which are due to the irregularities of road levels and the fluctuations in the vehicle velocity. These vibrations are transferred to the body and occupants of vehicles through the suspension system. In general, the main function of an active suspension system is...

In this paper, computational fluid dynamic modelling was developed to study the effect of the floating jet velocity or submerged rotary jet in sludge prevention in a large crude-oil storage tank. The Euler-Euler method was used in a two-dimensional CFD model to describe oil and sludge flow behaviour at the bottom of the storage tank. By modifying s...

Today, piezoelectric micro-beams are widely used in atomic and friction force microscopies, thermal scanning microscopy, and biomass measurement due to their flexible structure, sensitivity to molecular and atomic forces, and very fast response. Due to the small displacements of these micro-beams, their complete vibrating analysis and studying thei...

Nickel titanium is an intelligent alloy which are used in optical devices, thermal sensors, actuators, medical equipment and aerospace, because memory shape property, high strength, good creep and fatigue resistance. This alloy has features like the response to electrical stimulation, thermal, magnetic and mechanical stimulation. According to hardn...

Being newly advanced materials, metal matrix composites enjoy the properties of high service temperature, light weight, high specific strength, good wear resistance, high stiffness, and a low thermal expansion coefficient. However, machining these materials by conventional methods is difficult. A key machining process for difficult-to-machine mater...

Nowadays, composites are used in different parts of industries and it is one of the most important subjects. The most widely used reinforcements in metal matrix composites are Al2O3 and SiC fibers and particles which may be used in cutting-edge functional and structural applications of aerospace, defense, and automobile industries. Depending on the...

Electrical discharge machining is an unconventional machining process in which successive sparks are applied to machine the electrically conductive materials. Any changes in electrical discharge machining parameters lead to the pieces with distinct surface roughness. The electrical discharge machining process is well applied for high hardness mater...

In this paper a nonlinear dynamic model for drill string in inclined well drilling is developed. Effects of drilling mud flow rate, weight on bit, angular velocity along with viscous damping on stability and vibration of the drill string are studied. Findings indicate the nonlinear effects are significant on the results. The effects of drilling mud...

(Image presented) One of the most important design parameters for a crude oil tank equipped with a jet mixer is mixing time so it would be useful to study mixing time before designing the jet mixer of a tank. Nowadays, it is so necessary to apply submerged rotary jet mixer (RJM) to have a complete mixing in large crude oil tanks because in addition...

Electrical discharge machining is an unconventional machining process in which successive sparks applied to machine the electrically conductive materials. Any changes in electrical discharge machining parameters lead to the pieces with distinct surface roughness. The electrical discharge machining process is well applied for high hardness materials...

Creep can be dangerous for electromechanical, electronic and electrical connections, networks and devices. Recently, the metal matrix composites (MMC’s) are generally used for designing the electromechanical and electrical systems and devices due to their advantages. Therefore, analysis of the creep behavior is necessary and important for safe desi...

FEM study is carried out for predicting the behavior of the short fiber composites in the steady state creep with application in optoelectronic and photonic devices. The study on the creep behavior is necessary in order for failure, fracture, fatigue, and creep resistance of the short fiber composites. In this article, the creep behavior of the sho...

In this research paper, analysis of time-dependent plastic deformation in non-reinforced regions of creeping short fiber composites is carried out under axial tensile stress using the virtual fiber method. As an important application of the present method, shuttles and spaceships, turbine blades and discs are usually subjected to the creep effects....

In this paper, a novel method is presented to obtain some unknowns such as displacement rate using special and well-behaved functions for short fiber composites in the steady state creep by semi-theoretical method (STM). The creep behaviors are predicted in the short fiber composites under tensile axial stress. Also, the regions under the partial d...

A mathematically based formulation is presented for analyzing the visco plastic flow in the reinforced materials using experimental data with application in microelectronic and optoelectronic/photonic devices. Predicting the creep behavior is very important for designing the optoelectronic and photonic composites with optical fibers. Study on the c...

A new model is proposed to predict the micro-creep behavior of the composites with application in microelectronic and optoelectronic/photonic devices based on energy formulation, equilibrium and fundamental equations with considering geometric relations. In the present model, obtaining the unknown parameters is easier than the available approaches....

Principal purpose of this research is to study the effect of atomic number and atomic weight on behavior of time-dependent inelastic deformation in metals. For achieving this purpose, analytical and semi-analytical methods are used for analyzing the behavior of the deformations. The elements such as silver, aluminum and nickel are selected for vali...

In this paper, numerical investigation of the short fiber composites is done in the second stage creep by finite element analysis (FEA). The creep behavior of the fibrous composites is predicted numerically. Because, the analysis of the creep behavior is required for defect analysis and creep resistance of the short fiber composites. In present wor...

In this research paper, the concept of modern control systems used in turbojet engines is analyzed. We will describe and evaluate the controlling system with the help of these methods and concept of artificial intelligence. So, we can consider new features for turbojet engines in terms of performance and safety.As a result, the design of an intelli...

Finite element analysis of creeping short fiber composites is carried out in the second stage creep with application in microelectronic and optoelectronic/photonic devices. Prediction of the creep behavior is very significant for designing the optoelectronic and photonic composites with optical fibers. Study on the creep behavior is necessary for f...

Shape memory alloys are kind of alloys with different properties like high fatigue strength, oxidation, creep, vibration and high functional temperature. These alloys are widely applied in aerospace, automobile, medicine and dentistry industries. Electro Discharge Machining is an innovative method in machining of shape memory alloys. Surface roughn...

Nowadays, NiTi alloy is one of the shape memory alloys that its applications have grown in all industries. Its unique properties compared with some mechanical and thermo dynamical parameters lead in being applicable in industries such as aerospace, medicine and automobile. In the present study, EDM was modeled on NiTi alloy be means of de-ionized w...

In this paper, based on the Youla-Kucera (Y-K) parameterization, the control of a flexible beam acting as a flexible robotic manipulator is investigated. The method of Youla parameterization is the simple solution and proper method for describing the collection of all controllers that stabilize the closed-loop system. This collection comprises func...

Analyzing contact stress in rails and wheels are very important in mechanical and railway engineering. In this paper, new formulations of the contact stress are presented for two rolling bodies by exponential and power law forms semi– analytically. Innovative elastic wheel–rail contact models and FE Modeling are proposed. The present model assumes...

In this paper, a novel model is proposed to predict stress behavior in the fibrous polymer composites under an applied tensile axial loading. Tangential stress is obtained by simulating between polymeric matrix flow (polyester) and fluid flow. In the other words, creep behavior of the petrochemical material or polymeric resin (matrix) is modeled us...

In this study, effects of geometric factors and material properties are investigated on stress behavior of circular rotating disk with constant rotation in various industrial mechanisms using equilibrium equations, geometric relations and stress functions. In this way, research on a thin uniform and homogeneous circular disk under constant rotation...

Electrical discharge machining (EDM) is among the most essential nontraditional machining processes. Material removal rate (MRR) and surface roughness are the two main parameters applied in this method. A desired surface roughness can be achieved at the maximal MRR by selecting the optimal input parameters. Because of the mechanical properties and...

In this study, effects of geometric factors and material properties are investigated on stress behavior of circular rotating disk with constant rotation in various industrial mechanisms using equilibrium equations, geometric relations and stress functions. In this way, research on a thin uniform and homogeneous circular disk under constant rotation...

Analyzing contact stress in rails and wheels are very important in mechanical and railway engineering. In this paper, new formulations of the contact stress are presented for two rolling bodies by exponential and power law forms semi-analytically. Innovative elastic wheel-rail contact models and FE Modeling are proposed. The present model assumes t...

Electrical discharge machining (EDM) is among the most essential nontraditional machining processes. Material removal rate (MRR) and surface roughness are the two main parameters applied in this method. A desired surface roughness can be achieved at the maximal MRR by selecting the optimal input parameters. Because of the mechanical properties and...

This work treats the problem of controlling a flexible robotic manipulator. The case study is a planar manipulator with a single flexible arm together with a clamped-free end and a tip lumped mass. To control the angular position of the flexible arm using an actuator, a controller method is developed which is based on Youla-Kucera parameterization....

Nowadays, rapid manufacturing methods are widely used in order to produce wind tunnel test models. Dimension accuracy, surface roughness and material strength are important parameters affecting aerodynamic properties of the models. In this research, applications and capabilities of two rapid manufacturing methods used in design and development of w...

One of the most significant issues that has drawn the attention of toolmakers is the strategies which lead to speedy production of tools and a faster way to meet the demands of market. Hence, toolmakers have made utmost effort to investigate the potential ways as to reduce machining time. One vital initial step in the process of production is rough...

Electro discharge machining is one of the nontraditional machining procedures, which is used for machining the high strength and hardness materials. In this article, the impact of rotational tool and input parameters include; pulse current, pulse on time, voltage and pulse off time, on output parameters such as material removal rate, surface roughn...

Electro discharge machining is one of the nontraditional machining procedures, which is used for machining the high strength and hardness materials. In this article, the impact of rotational tool and input parameters include; pulse current, pulse on time, voltage and pulse off time, on output parameters such as material removal rate, surface roughn...

Nowadays, rapid manufacturing methods are widely used in order to produce wind tunnel test models. Dimension accuracy, surface roughness and material strength are important parameters affecting aerodynamic properties of the models. In this research, applications and capabilities of two rapid manufacturing methods used in design and development of w...

NiTi is an alloy of nickel and titanium with important characteristics such as shape memory, superelasticity, high electrical resistance, high corrosion resistance, long fatigue life, and vibration absorption. The unique features of this alloy have made it useful in all types of industries. However due to these same characteristics, it is difficult...

NiTi is an alloy of nickel and titanium with important characteristics such as shape memory, superelasticity, high electrical resistance, high corrosion resistance, long fatigue life, and vibration absorption. The unique features of this alloy have made it useful in all types of industries. However due to these same characteristics, it is difficult...

In this paper, based on the Voigt–Kelvin constitutive model, nonlinear dynamic modelling and state space representation of a viscoelastic beam acting as a flexible robotic manipulator is investigated. Complete nonlinear dynamic modelling of a viscoelastic beam without premature linearisation of dynamic equations is developed. The adopted method is...

Shape memory alloys are a kind of active materials, which have significant characteristics in comparison with other alloys. Since these materials are applicable in different fields such as aerospace, automobile industry, medicine, and dentistry, the effects of wire electrodischarge machining on the properties of these alloys have been studied. In t...

An analytical approach is proposed to predict time dependent stationary creep behavior of fibrous composites based on compatibility and equilibrium equations subjected to an applied tensile axial load. Novel insight of this work is to determine some important behaviors of crept matrix in the fibrous composite without utilizing some intricate theori...

A mathematical model is presented based on equilibrium and fundamental equations with considering geometric relations to determine principal stresses in steady state creep of short fiber composites under axial tensile loading. Important novelty of this research is determination of principal stresses in matrix at outer surface of the composite witho...

The purpose of this study is to consider the effect of different parameters on the wrinkling phenomenon of square cups during the deep drawing process. An experimental system was prepared which consisted of a hydraulic press capable of applying different loads on the sheet metal blank and a blank holder and the process was controlled by a computer....

A new concept for obtaining shear stress based on fluid mechanics theory is presented for stress analysis of the creep deformations and behavior of fibrous thermoset amorphous polymeric composites subjected to an applied tensile axial load. Shear stress is determined by simulation of plastic polymeric matrix flow (or metal matrix at high temperatur...

Nickel-Titanium Alloys is a kind of smart materials that are used in medicine, aerospace and other industries. Because of the strength and hardness, EDM method is used for machining of this alloy. Electrical discharge machining process is most practical non-traditional machining methods when toughness and physical properties of the workpiece does n...

Shape memory alloys are kind of smart materials, which have distinctive properties and are superior in compare with other alloys. Severe reactions to thermodynamic and mechanical parameters and ability to return to their original shape make these alloys distinctive from other alloy regarding machining ability. Since these alloys have a very useful...

Nowadays, several procedures are used for manufacturing wind tunnel models. These methods include machining, casting, molding and rapid prototyping. Raw materials such as metals, ceramics, composites and plastics are used in making these models. Dimension accuracy, surface roughness and material strength are significant parameters which are effecti...

Considering the importance of titanium alloys in aerospace, automobile and medical industries, the impact of electrical discharge machining (EDM) on smart NiTi60 alloy has been reviewed in this research. In view of the high competition that exists among various industries to lower the time, cost of production, and improve the quality, the parameter...

This work treats the problem of dynamic modeling and state space approximation for robotic manipulators with flexibility. Case studies are planar manipulators with a single flexible link together with clamped-free ends and tip mass conditions. In this paper, complete dynamic modeling of the flexible beam without premature linearization in the formu...

Casting, machining and additive manufacturing technologies are used in order to produce wind tunnel testing models. The models can also be analyzed by computational fluid dynamics methods. Both have their advantages and disadvantages. Since several wind tunnel models are required to accomplish aerodynamic experiments, nowadays, one of the best meth...

Nowadays, several procedures are used for manufacturing wind tunnel models. These methods include machining, casting, molding and rapid prototyping. Raw materials such as metals, ceramics, composites and plastics are used in making these models. Dimension accuracy, surface roughness and material strength are significant parameters which are effecti...

While the global population rises, the supplement of fresh water is becoming a major concern. A number of seawater desalination approaches have been designed during the decades to contribute for overcoming fresh water shortage. Two kinds of these system have been introduced in this paper to be installed close the sea and in second one in dried regi...