Radhwan Hussin
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Preferred name
Radhwan Hussin
Official Name
Radhwan, Hussin
Alternative Name
Hussin, R.
Radhwan, H.
Radhwan, Hussin
Hussin, Radhwan
Hussin, Radhwan Bin
Main Affiliation
Scopus Author ID
57210390315
Researcher ID
AAW-9696-2020

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  • Publication
    Hybrid mold : Comparative study of rapid and hard tooling for injection molding application using Metal Epoxy Composite (MEC)
    ( 2021)
    Radhwan Hussin
    ;
    Safian Sharif
    ;
    Marcin Nabiałek
    ;
    Shayfull Zamree Abd. Rahim
    ;
    Mohd Tanwyn Mohd Khushairi
    ;
    Jerzy J. Wysłocki
    ;
    Mohd. Mustafa Al Bakri Abdullah
    ;
    Mohd. Hazwan Mohd. Hanid
    ;
    Mohd Azlan Suhaimi
    ;
    Katarzyna Błoch
    The mold-making industry is currently facing several challenges, including new competitors in the market as well as the increasing demand for a low volume of precision moldings. The purpose of this research is to appraise a new formulation of Metal Epoxy Composite (MEC) materials as a mold insert. The fabrication of mold inserts using MEC provided commercial opportunities and an alternative rapid tooling method for injection molding application. It is hypothesized that the addition of filler particles such as brass and copper powders would be able to further increase mold performance such as compression strength and thermal properties, which are essential in the production of plastic parts for the new product development. This study involved four phases, which are epoxy matrix design, material properties characterization, mold design, and finally the fabrication of the mold insert. Epoxy resins filled with brass (EB) and copper (EC) powders were mixed separately into 10 wt% until 30 wt% of the mass composition ratio. Control factors such as degassing time, curing temperature, and mixing time to increase physical and mechanical properties were optimized using the Response Surface Method (RSM). The study provided optimum parameters for mixing epoxy resin with fillers, where the degassing time was found to be the critical factor with 35.91%, followed by curing temperature with 3.53% and mixing time with 2.08%. The mold inserts were fabricated for EB and EC at 30 wt% based on the optimization outcome from RSM and statistical ANOVA results. It was also revealed that the EC mold insert offers better cycle time compared to EB mold insert material.
  • Publication
    Hybrid mold: comparative study of rapid and hard tooling for injection molding application using Metal Epoxy Composite (MEC)
    ( 2021)
    Radhwan Hussin
    ;
    Safian Sharif
    ;
    Marcin Nabiałek
    ;
    Shayfull Zamree Abd. Rahim
    ;
    Mohd Tanwyn Mohd Khushairi
    ;
    Mohd Azlan Suhaimi
    ;
    Mohd. Mustafa Al Bakri Abdullah
    ;
    Mohd. Hazwan Mohd. Hanid
    ;
    Jerzy J. Wysłocki
    ;
    Katarzyna Błoch
    The mold-making industry is currently facing several challenges, including new competitors in the market as well as the increasing demand for a low volume of precision moldings. The purpose of this research is to appraise a new formulation of Metal Epoxy Composite (MEC) materials as a mold insert. The fabrication of mold inserts using MEC provided commercial opportunities and an alternative rapid tooling method for injection molding application. It is hypothesized that the addition of filler particles such as brass and copper powders would be able to further increase mold performance such as compression strength and thermal properties, which are essential in the production of plastic parts for the new product development. This study involved four phases, which are epoxy matrix design, material properties characterization, mold design, and finally the fabrication of the mold insert. Epoxy resins filled with brass (EB) and copper (EC) powders were mixed separately into 10 wt% until 30 wt% of the mass composition ratio. Control factors such as degassing time, curing temperature, and mixing time to increase physical and mechanical properties were optimized using the Response Surface Method (RSM). The study provided optimum parameters for mixing epoxy resin with fillers, where the degassing time was found to be the critical factor with 35.91%, followed by curing temperature with 3.53% and mixing time with 2.08%. The mold inserts were fabricated for EB and EC at 30 wt% based on the optimization outcome from RSM and statistical ANOVA results. It was also revealed that the EC mold insert offers better cycle time compared to EB mold insert material.
  • Publication
    Irregular shape effect of brass and copper filler on the properties of Metal Epoxy Composite (MEC) for rapid tooling application
    ( 2022)
    Radhwan Hussin
    ;
    Safian Sharif
    ;
    Shayfull Zamree Abd. Rahim
    ;
    Allan Rennie
    ;
    Mohd Azlan Suhaimi
    ;
    Abdellah El-hadj Abdellah
    ;
    Norshah Afizi Shuaib
    ;
    Mohd Tanwyn Mohd Khushairi
    ;
    Aurel Mihail Titu
    Due to their low shrinkage and easy moldability, metal epoxy composites (MEC) are recognized as an alternative material that can be applied as hybrid mold inserts manufactured with rapid tooling (RT) technologies. Although many studies have been conducted on MEC or reinforced composite, research on the material properties, especially on thermal conductivity and compressive strength, that contribute to the overall mold insert performance and molded part quality are still lacking. The purpose of this research is to investigate the effect of the cooling efficiency using MEC materials. Thus, this research aims to appraise a new formulation of MEC materials as mold inserts by further improving the mold insert performance. The effects of the thermal, physical, and mechanical properties of MEC mold inserts were examined using particles of brass (EB), copper (EC), and a combination of brass + copper (EBC) in irregular shapes. These particles were weighed at percentages ranging from 10% to 60% when mixed with epoxy resin to produce specimens according to related ASTM standards. A microstructure analysis was made using a scanning electron microscope (SEM) to investigate brass and copper particle distribution. When filler composition was increased from 10% to 60%, the values of density (g/cm3), hardness (Hv), and thermal conductivity (W/mK) showed a linear upward trend, with the highest value occurring at the highest filler composition percentage. The addition of filler composition increased the compressive strength, with the highest average compressive strength value occurring between 20% and 30% filler composition. Compressive strength indicated a nonlinear uptrend and decreased with increasing composition by more than 30%. The maximum value of compressive strength for EB, EC, and EBC was within the range of 90–104 MPa, with EB having the highest value (104 MPa). The ANSYS simulation software was used to conduct a transient thermal analysis in order to evaluate the cooling performance of the mold inserts. EC outperformed the EB and EBC in terms of cooling efficiency based on the results of thermal transient analysis at high compressive strength and high thermal conductivity conditions.
  • Publication
    Enhancing the environmental impact of alarm clock using DFMA and sustainable design analysis
    ( 2021-07-21)
    Mohd Effendi Muhammad Suandi
    ;
    Shayfull Zamree Abd. Rahim
    ;
    Radhwan Hussin
    ;
    Shafeeq Ahmad Shamim Ahmad
    ;
    Nazirul Mubin Abd Aziz
    ;
    Muhammad Zahier Mohd Zubir
    ;
    Muhammad Azri Rosli
    ;
    Muhammad Syauqi Mohamad
    ;
    Tengku Ashraf Tengku Wasa
    This study focuses on evaluating a new alarm clock components and function to reduce the necessary quantities and to determine the potential to enhance sustainable design. The project aims to create a new alarm clock to enhance or improvise the alarm clock. To evaluate the built component, the CAD programme is used to create the new alarm clock and then transferred to FEA. The research will lead to understanding the use of CAD tools for the design and study of alarm clock enhancement by carrying out the project. This new approach shows that the tools that are to be used to reduce the cost of creating a new alarm clock and to enhance the environmental aspects of product design are successful.
  • Publication
    Optimization of heating rate on hybrid microwave sintering of the PM Fe-Cr MMCs reinforced with Al2O3particle
    ( 2021-07-21)
    Wan Abdul Rahman Assyahid Wan Ibrahim
    ;
    Shayfull Zamree Abd. Rahim
    ;
    Radhwan Hussin
    ;
    Muhamad Farizuan Rosli
    ;
    Mohd Fathullah Ghazli@Ghazali
    ;
    Murizam Darus
    This study reports the optimization of heating rate on the microwave sintered Fe-Cr-Al2O3 metal matrix composite (MMC). The heating rate was selected between 10°C/min to 60°C/min with increment of 10°C/min respectively. The samples were fabricated via PM route and microwave sintering was carried out in a tubular microwave furnace HAMiLab-V3 in N2 atmosphere purposely to avoid any oxidation and chemical reaction to samples. The microstructure of sintered samples was evaluated using SEM and bulk density and porosity were determined based on ASTM B962 - 17 and the microhardness were determined based on ASTM E384. The optimized heating rate of the sample was selected based on the micro hardness value and total porosity percentage as well as based on SEM microstructure analysis. The results revealed that the optimum heating rate occurred at 20°C/min due to the highest value of hardness achieved which is about 119.28 HV with at the highest bulk density about 6.07 g/cm3 and at the lowest total porosity about 14.55%. SEM micrographs also showed that the diffusion was mostly effective at 20°C/min heating rate compared to others, indicated that significant grain boundary diffusion of Fe matrix into Al2O3 particle was occurred.
  • Publication
    Analysis of an assembly process and environmental impact for a new design of food grater
    ( 2021-05-03)
    Mohd Effendi Muhammad Suandi
    ;
    Shayfull Zamree Abd. Rahim
    ;
    Radhwan Hussin
    ;
    Zuhanis Mansor
    ;
    Shafeeq Ahmad Shamim Ahmad
    ;
    Hidayatul Husna Al Rashid
    ;
    Nurin Syuhada Noorazman
    ;
    Muhammad Iqbal Talib
    ;
    Muhammad Adam Al-Modthaqim Muhammad Basri
    This research analyses and evaluate food grater components in order to reduce the required quantity and to consider the improvement of possible sustainable design based on various material selection, particularly to specific parts. This study will use integration methodology to achieving sustainability which is Design for Manufacturing Assembly (DFMA), and Life Cycle Analysis (LCA). The analysis result will show the reduction of the part numbers from 20 parts to only four parts respectively to the significant alteration for specific components. Furthermore, the Life Cycle Analysis (LCA), the weight is reduced by 12.46 gram after changing the material from PPE to ABS. Also, the carbon footprint effect reduced by 40% while air acidification effect is reduced by 21.9%. Besides the material changes also reduced the total energy consumed by 36.4%. This study found that both methods are capable of reducing production costs assembly time, and consequently can enhance the environmental impact of a product.
  • Publication
    Surface integrity evaluation on aluminium-epoxy composite in machining using taguchi method
    ( 2022-01-01)
    Leong K.W.
    ;
    Shayfull Zamree Abd. Rahim
    ;
    Mohd Fathullah Ghazli@Ghazali
    ;
    Omar M.F.
    ;
    Mohd. Mustafa Al Bakri Abdullah
    ;
    Radhwan Hussin
    ;
    Mazlan A.H.
    ;
    Jez B.
    ;
    Nabialek M.
    The increasing needs of using aluminum epoxy composite as a replacement to solid metal rapid prototyping has opened to interests in optimizing its machining processes. This paper reported on the success of optimizing the surface roughness of aluminium epoxy composite using milling process along with a new finding on the best combination parameters. Taguchi method was used as the optimization method whereas spindle speed, feed rate, and depth of cut were set as input factors using an L9 Orthogonal Array. Analysis of Variance was used to identify the significant factors influencing the surface roughness. Experiment was conducted in dry condition using a vertical milling machine and the surface roughness after the machining was evaluated. Optimum combination of cutting parameters was identified after the finest surface roughness (response) based on the signal-to-noise ratio calculated. Cutting parameters selected after preliminary testing are cutting speeds of (2000, 3000 and 4000) rpm, feed rate (300, 400 and 500) mm/min, and cutting depth (0.15, 0.20, and 0.25) mm. The result showed that cutting speed had the largest percentage contribution to surface roughness with 69% and the second highest contribution was feed rate with 22% and depth of cut at 9%. The spindle speed was found as the most significant factor influencing the quality of surface roughness. The result is significant particularly in providing important guidelines for industries in selecting the right combination of parameters as well as to be cautious with the most significant factor affecting the milling process of metal epoxy composite.
  • Publication
    FEA: Automatic air freshener dispenser
    ( 2021-05-03)
    Mohd. Hazwan Mohd. Hanid
    ;
    Muhamad Farizuan Rosli
    ;
    Rahman W.
    ;
    Radhwan Hussin
    ;
    Ahmad S.A.S.
    ;
    Khairunnisa Norli
    ;
    Ndrieniza Anak Saini
    ;
    Nur Afifah Mazlan
    ;
    Nuruljannah Omar
    This research focused on the redesign the main body of automatic air freshener dispenser. Automatic air freshener dispenser used for spraying fragrance automatically according to the setting provided. This type of air freshener no need to spray manually, labor saving and more convenient. This automatically air freshener dispenser will automatically spray the fragrance into the whole room space to purify air and remove smelly odor. Other than that, the objectives of this mini project are to redesign the main body of the automatic air freshener dispenser. The design of the automatic air freshener dispenser is using CAD software which is CATIA and then transfer to Finite Element Analysis (FEA) to analyses the capabilities of part design. At the end of this paper, this research will give understanding about design using CATIA Software and do analysis that improved the redesign body of the automatic air freshener dispenser.
  • Publication
    SURFACE INTEGRITY EVALUATION ON ALUMINIUM-EPOXY COMPOSITE IN MACHINING USING TAGUCHI METHOD
    ( 2022-01-01)
    Leong Kean Wei
    ;
    Shayfull Zamree Abd. Rahim
    ;
    Mohd Fathullah Ghazli@Ghazali
    ;
    Mohd Firdaus Omar
    ;
    Mohd. Mustafa Al Bakri Abdullah
    ;
    Radhwan Hussin
    ;
    Mazlan A.H.
    ;
    Jez B.
    ;
    Nabialek M.
    The increasing needs of using aluminum epoxy composite as a replacement to solid metal rapid prototyping has opened to interests in optimizing its machining processes. This paper reported on the success of optimizing the surface roughness of aluminium epoxy composite using milling process along with a new finding on the best combination parameters. Taguchi method was used as the optimization method whereas spindle speed, feed rate, and depth of cut were set as input factors using an L9 Orthogonal Array. Analysis of Variance was used to identify the significant factors influencing the surface roughness. Experiment was conducted in dry condition using a vertical milling machine and the surface roughness after the machining was evaluated. Optimum combination of cutting parameters was identified after the finest surface roughness (response) based on the signal-to-noise ratio calculated. Cutting parameters selected after preliminary testing are cutting speeds of (2000, 3000 and 4000) rpm, feed rate (300, 400 and 500) mm/min, and cutting depth (0.15, 0.20, and 0.25) mm. The result showed that cutting speed had the largest percentage contribution to surface roughness with 69% and the second highest contribution was feed rate with 22% and depth of cut at 9%. The spindle speed was found as the most significant factor influencing the quality of surface roughness. The result is significant particularly in providing important guidelines for industries in selecting the right combination of parameters as well as to be cautious with the most significant factor affecting the milling process of metal epoxy composite.