Salina Budin

Universiti Teknologi MARA | UiTM

Fused Filament Fabrication (FFF) is categorized as an additive manufacturing process, recognized as the simplest way to accomplish 3D printing. Previous studies have proven that FFF can be trusted to create custom parts with high complexity. However, some performance issues still exist with this method that must be resolved to improve conventional...

The environmental issue derived from petroleum-based plastic has brought wide attention on biodegradable plastic. The enforcement of new regulation on the requirement of environmentally friendly plastics has increased the demand of polylactic acid (PLA). Considering the increasing application of PLA, the accumulation of PLA wastes is also expected...

Air pollution is a major environmental risk to health. The new building normally has a facing problem with indoor air pollutant. New construction materials and furniture will contribute higher contaminants compared to old materials. The effect of indoor air pollutants can result in human health problems, discomfort and reduces their productivity. T...

Due to serious environmental pollution which is derived from petroleum-based plastic wastes, poly(lactic acid) (PLA) has been seen as a potential bioplastic to overcome the problem. It has been predicted that the usage and disposal of PLA will continuously increase in the coming years. Recycling is one of the realistic ways to minimize resources an...

Major environmental problems resulting from non-degradable components of plastic wastes have awakened great attention to bioplastic as an alternative material. Among various bioplastic materials, polylactic acid (PLA) is recognised as a promising material especially as a food packaging material. The development of PLA composites using various fille...

The corrosion problem of metal can be solved by providing a protective layer (coating). Electroplating method is a well-known technique for coating fabrication and widely used in industry. One of the most crucial parameters in the operation of electroplating is the current distribution. The current distribution affects the deposition thickness dist...

Copper can be joint by various fusion welding process such as ultrasonic welding, cold pressure welding, braze welding, arc welding, electron beam welding, etc. Unfortunately, welding of copper by fusion welding process is difficult due to high thermal conductivity and high expansion coefficient of copper. Friction stir welding (FSW), a solid state...

Development of polylactic acid (PLA) composites using various filler have extensively being been in focus. One of the possible natural filler is eggshell (ES) which are abundantly available derived from food industry waste. This work attempted to investigate the effect of eggshell (ES) filler on the degradation of virgin-PLA and recycled-PLA. The v...

A growing demand in polylactic acid (PLA) has increased in recent years due to the increasing of non-degradable plastic wastes. The recycling of PLA waste is seen to be another permissible solution to conserve the resources. This work aims to study the degradation rate of virgin PLA (VPLA) and recycled PLA (RPLA) in terms of the mechanical properti...

Fasteners are commonly used in construction industry for parts joining purpose. There are many types of construction fasteners such as stud, bolt, anchor, nut, screw, and washer. The major problem of the fastener made by carbon steel is the poor resistance to corrosion. Electroplating is a simple yet low-cost tool to give a strong corrosion protect...

Due to a huge usage of plastics in the packaging industry, an abundant of plastics wastes is dumped at landfills. The environmental issue has given a serious impact to wildlife and humans. Hence, it is strongly advised to substitute the petroleum-based plastics with other plant-based polymers. One of the most popular bioplastics is polylactic acid...

Stirring tool is one of the important factor that contribute to the successful of Friction Stir Welding (FSW). Role of tool, is to heat the welding zone and stir the material along the process. Many studies have been conducted by other researchers to improve the performance of stirring tool. Similar to this work, it is aimed to investigate and anal...

Most of the products used in our daily lives involve plastic. However, plastic pollution can cause an incalculable environmental crisis. Hence, an extensive effort has been made towards recycling plastic since the last decade. The challenge on plastic recycling is to secure the mechanical performance of the products. In this study, the durability o...

The waste produced by the palm oil industry contributes greatly to environmental damage if it is not operated properly. Waste from palm oil processing consists of 70% of the amount of raw material which is almost half in the form of liquid. Over time the growth of the palm oil industry has always increased, therefore the waste from the palm oil ind...

In friction stir welding process, shoulder diameter of stirring tool plays an important role. The role is to provide enough soften region along the process to produce a good quality of weldment. In this work, three variations of stirring tool shoulder diameter are produced which are stirring tool 1 (16mm), stirring tool 2 (20mm), and stirring tool...

Acrylonitrile-butadiene-styrene (ABS) is one of the most widely used plastic. The application of ABS increases rapidly in industries recently. The drawback of the increasing demand of ABS is the increment of ABS waste. Huge increment in ABS waste has led to the increasing of environmental pollution. The demand in green technology and sustainability...

Finite Element Method (FEM) is a numerical modelling technique that can increase the understanding of characteristic and behavior of the machining process. In order to increase the machining efficiency, the suitable selection of cutting parameter is very important. Simulation can be used to compress a time frame and investigate quickly the change o...

The natural fiber composites product becomes popular among the world to promote sustainable development. Unlike the synthetic fibers, natural fibers can absorb as much as the carbon dioxide to prevent the global warming happened. Natural fiber composites such as kenaf mixed with polypropylene, have been commercialized in automotive parts due to its...

The main purpose of the engine lubrication system is to supply lubricating oil to all moving parts in the engines to reduce friction rates. The failure of this can cause damage to the engine system. The aim for this project is to develop a user-friendly device to predict as accurately as possible the next oil change for an automobile. The device co...

Recent previous studies have shown that there is a correlation between heat conductivity and surface materials. In this project, the heat conductivity 3 different samples of T2 copper with different surface roughness was studied. This was done by measuring the temperature of the samples at 9 different point using SOLTEQ Heat Conduction Study Bench...

Micro Aerial Vehicles, otherwise known as MAVs, is defined as an aerial vehicle that has a 15cm or less wingspan with a take off wight of less than 200g. Its miniature size and manoeuvrability allows it to fly in confined space at low Reynolds number flight conditions (100 – 100,000). In this study, an entothopter design inspired by dragonfly wings...

The tubercle effect is a recently discovered phenomenon where the sinusoidal pattem ‘bumps’ on the leading edge of an airfoil can improve the aerodynamic performance. This effect was inspired by looking at the humpback whale pectoral flippers that give an exceptional acrobatic manoeuvrability in the water such as somersaults, also allowing for easi...

Huge usage of Polylactic Acid (PLA) has contributed to the high wastes which mainly come from the worn parts. Recycling of the wastes is seen to be a permissible solution to reduce the quantity of wastes in the landfills. This work aims to compare the mechanical properties of virgin and recycled PLA. The recycled material is collected from the wast...

Friction stir welding (FSW) is a solid-state joining process that has many advantages including the ability to join high strength alloy as well as dissimilar metals which are hard to be joined by conventional fusion techniques. This welding process involves the penetration of rotating tool which consist of shoulder and prolonged by a pin into a met...

Nowadays, manufacturing industry is growing rapidly in any country over the world. Plastic industry is the one of the manufacturing industry that has high demand among consumers. Polypropylene is popular due to its characteristics such as recycle, low cost, chemical resistance, excellent impact strength, food grade availability and so on. The plast...

Three customized stirring tool pin profiles have been designed which are (1) straight cylinder, (2) triangle shape, and (3) tapered shape to be used by reconfigured milling machine (Cheng Yin – CY-GH 260) to perform friction stir welding process. Shoulder geometry is constant for all tools (20 mm having 8 deg concave and length of the pin from shou...

Plastic recycling can be an effective way of reducing large amount of plastic waste in plastic manufacturing industry. Polypropylene (PP) is a versatile material that is capable of numerous commercial applications. This study is about the effect of composition between virgin and recycled PP towards their mechanical properties. The effect of blendin...

Tungsten carbide cobalt (WC-Co) composite is commonly fabricated using powder metallurgy route such as mixing, compaction and sintering process. During the sintering process, densification of the powders takes place where WC grains having higher solubility would dissolve in the Co-rich liquid. One of the crucial aspects during sintering process is...

Metal Injection Moulding (MIM) is a cost-effective method in producing a variety of small and high performance parts. This paper investigates the influence of waste rubber binder combined with polyethylene binder on the properties of injection moulded 316L stainless steel. Feedstock formulation was prepared using 32 µm 316L SS powder and mixed with...

WC-Co, which is also known as cemented carbide, is widely used in metal cutting industry and wear related application due to their excellent mechanical properties. Manufacturing industries are focusing on improving productivity and reducing operational cost with machining operation is considered as one of the factors. Thus, machining conditions are...

WC-Co, which is also known as cemented carbide, is widely used in metal cutting industry and wear related applications. Numerous studies have been made to improve the properties of the composite. Thus, this research paper is focusing on selection of WC-Co formulation using Taguchi method based on design factors such as percentage of cobalt, vanadiu...

Biomorphic Silicon Carbide (SiC) has been widely used in industries due to its unique biological structure produced by natural wood. SiC exhibits excellent strength at low density. Besides, using agricultural waste residues such as woods as the starting material can lower the manufacturing cost. In this study, the agriculture waste which was Dark R...

Overall Equipment Effectiveness (OEE) is an important and reliable method that could be adopted in manufacturing environment. This method is significant to evaluate machines performance and later setting up goals for the industry to keep improving their performance. Previously, numerous researchers have been conducted to adopt these tools and find...

Metal injection molding (MIM) is an effective way for producing small and complex-shape components in high production rates. Selection of binder and its removal in debinding process is a crucial stage in MIM process. In this study, the debinding and sintering characteristics of injection molded M2 HSS using waste plastic binder system has been inve...

One of the crucial stages in fabrication of WC-Co composite is sintering process. Inappropriate sintering state, especially sintering temperature will lead to an abnormal grain growth and thus reduce the mechanical properties of the sintered parts. Sintering atmosphere also plays a big role in oxidation, carburizing, decarburizing and nitriding on...

High speed steel (HSS) is one of the important engineering materials especially for cutting material due to its superior properties. In this work, M2 HSS with addition of ferrophosphorus (Fe3P) are processed using conventional powder metallurgy route; mixing, compaction and sintering. The main objective of this work is to investigate the microstruc...

Carbon–copper composites are attractive materials used for electrical applications, such as brushes for engines and generators, slip rings, switches, relays, lugs, contactor and current collector. Various methods can be used to prepare Carbon-copper composite, such as infiltration, sintering, cold pressing, hot pressing or isostatic pressing. Howev...

Carbon(C)/Copper(Cu) Composites based materials were developed by associating both pressure and heat to the mixture of the powder. Three samples of different formulations were prepared by the powder metallurgy route in which the C-Cu powder were mixed with E-poxy Resin in a tubular mixer, pre-compacted using an automated hydraulic press machine, wa...

Semi-metallic friction materials were produced by the powder metallurgy method. This study investigated the optimization of manufacturing parameters (moulding pressure, moulding temperature and moulding time) for friction materials using the Taguchi Method. Physical properties (hardness and specific gravity) and tribological properties (wear and fa...

Particle size reduction process using mechanical milling (MM) method is referred to a particle size reduction process where solid state work materials in form of coarse particulates are broken into the ultimate fineness by means of mechanical impact created by collisions of the work materials and milling media which are both placed inside a vial, w...

Mechanical milling (MM) is referred to a solid state size reduction process where work materials in the form of coarse particulates are broken into the ultimate fineness by means of mechanical impact created by collisions of the work materials and the milling media which are placed inside a reciprocating vial. Many milling techniques have been so f...