Article
Materials Science, Multidisciplinary
J. Pratap Kumar, Anil Raj, Arul Kulandaivel, Lakshmana Kumar, V Mohanavel, M. Ravichandran, IvanSunit Rout, S. Prasath
Summary: In this study, the effect of various input parameters on the ultimate tensile strength (UTS) of friction stir welded AA6101-C11000 joint was evaluated. Response surface methodology (RSM) was used to develop a regression equation and determine the optimal FSW parameters for achieving the highest UTS. The experimental results showed that the maximum UTS of the welded joint was 142.69 MPa at 1000 rpm, 40 mm/min, and -1.68 mm tool offset, with a joint efficiency of 82%.
MATERIALS RESEARCH EXPRESS
(2023)
Article
Materials Science, Characterization & Testing
Sare Celik, Fatmagul Tolun
Summary: In this study, the effect of double-sided friction stir welding on AA5754 Al alloy was investigated, with the best welding performance observed at a tool rotational speed, feed rate, and tool tilt angle of 450 rpm, 50 mm x min(-1), and 1 degree, respectively.
Article
Physics, Multidisciplinary
M. Bakkiyaraj, J. Ananth, V Sivamaran, P. K. Nagarajan
Summary: This article examines the properties of joints fabricated by friction welding (FW) using AA6061-T6 and AA7075 as examples of both similar and dissimilar metals. The effect of heat treatment after welding on the joint's metallurgical characteristics is also investigated. The findings demonstrate that the joint characteristics are enhanced by precipitate nucleation occurring in the joint interface under the heat treatment method of solutionizing heat treatment with synthetic ageing (STA). The tensile strength and microhardness of the joints made with both similar and dissimilar metals are influenced by the STA treatment in different ways.
Review
Materials Science, Multidisciplinary
Cyril Vimalraj, Paul Kah
Summary: The study critically reviews the application of friction stir welding technology with nanoparticle reinforcement in aluminum alloy welding, emphasizing the significant influence of welding parameters on the dispersion of reinforcement particles and the improvement of weld microstructure and properties by nanoparticles.
Article
Chemistry, Physical
Kaveripakkam Suban Ashraff Ali, Vinayagam Mohanavel, Subbiah Arungalai Vendan, Manickam Ravichandran, Anshul Yadav, Marek Gucwa, Jerzy Winczek
Summary: Friction stir welded Aluminium Alloy AA6061 metal matrix composites reinforced with varying percentages of SiC and B4C showed improved tensile properties, with the ultimate tensile stress reaching around 172.8 MPa for composite with 10% SiC and 3% B4C reinforcement. The hardness of the Al-MMCs also increased considerably, indicating an optimal increase as it eliminates brittleness.
Article
Nanoscience & Nanotechnology
Y. D. Wang, P. Xue, F. C. Liu, L. H. Wu, H. Zhang, Z. Zhang, D. R. Ni, B. L. Xiao, Z. Y. Ma
Summary: One of the challenges in welding Cu-Cr-Zr alloys is the coarsening of the precipitates due to high temperature, which results in weaker joints. To overcome this, researchers have studied various strategies to reduce the welding temperature and limit precipitate coarsening. It was found that by softening the alloy to a supersaturated solid solution state prior to friction stir welding (FSW), the peak temperature during FSW could be reduced and the resulting joint strength could be similar to the base metal after post-weld aging heat treatment.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2023)
Article
Engineering, Mechanical
Umesh Kumar Singh, Avanish Kumar Dubey
Summary: This research focuses on investigating the joining performance of AZ91 and AZ31 using friction stir welding setup, showing the highest microhardness value of 95.92 Hv within the welded zone. The maximum tensile strength of the welded sample was 85.09% of AZ31, with all samples breaking from the advancing side near the weld centre line.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE
(2021)
Article
Materials Science, Multidisciplinary
F. Tolun
Summary: The study on friction stir welding of AA5083 and AA5754 aluminium alloys showed that the specimen welded at a feed rate of 50 mm min(-1), a tool rotation speed of 450 rpm, and a tilting angle of 1 degree exhibited the highest welding strength and elongation values.
KOVOVE MATERIALY-METALLIC MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Shubham Verma, Velaphi Msomi, Sipokazi Mabuwa, Ali Merdji, Joy Prakash Misra, Usha Batra, Sandeep Sharma
Summary: This paper employs machine learning techniques to predict the tensile behavior of friction stir processed dissimilar aluminium alloys joints, with support vector machine_radial basis function kernel as the most accurate modeling technique. The use of optical microscope shows that FSP samples with the smallest grain size correspond to high ultimate tensile strength, with fractographic analysis indicating ductile behavior.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART L-JOURNAL OF MATERIALS-DESIGN AND APPLICATIONS
(2022)
Article
Materials Science, Multidisciplinary
Ivan S. Zuiko, Sergey Malopheyev, Sergey Mironov, Sergey Betsofen, Rustam Kaibyshev
Summary: The macro-scale distribution of secondary precipitates in friction-stir-welded 2519 aluminium alloy was found to vary within the stir zone due to local variations in welding temperature and cooling rate. Precipitation coarsening was most pronounced at the weld root, while dissolution was enhanced at the upper weld surface. Reprecipitation phenomena were most prominent in the weld nugget.
Article
Engineering, Industrial
Jiaqing You, Yunqiang Zhao, Chunlin Dong, Yunhai Su
Summary: In this study, an ultrasonic dynamic-stationary shoulder friction stir method was designed to reduce the IMC thickness and residual stress, thereby enhancing the mechanical properties of Al-Cu joints. The new method allowed for the elimination of microcracks, grain refinement, enhanced dynamic recrystallization, and reduced IMC thickness, resulting in high-strength Al-Cu dissimilar metals welding.
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
(2023)
Article
Engineering, Civil
Arabinda Meher, Manas Mohan Mahapatra
Summary: Understanding the microstructural and mechanical behavior of friction stir welded magnesium matrix composites is important for their applications in automobile and aerospace components. In this study, friction stir welding of magnesium RZ5/8 wt% TiB2 metal matrix composites was carried out under different joining conditions. It was found that better grain refinement and uniform distribution can be achieved at specific tool rotational speed and traverse speed. The highest temperature, hardness, and tensile strength were observed in the nugget zone. Additionally, high residual stresses were observed near the weld zone.
ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING
(2022)
Article
Materials Science, Multidisciplinary
Umesh Kumar Singh, Avanish Kumar Dubey
Summary: Friction Stir Welding is an effective welding method for magnesium alloys, but the process parameters have a significant influence on the weld characteristics of different alloys, with rotational speed and tool shoulder diameter being the most critical parameters.
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
(2021)
Article
Materials Science, Multidisciplinary
Yihan Gao, Jinglin Liu, Qi Wen, Boguang Zhang, Yongxian Huang, Long Wan
Summary: A novel welding tool with a double pin structure was proposed to overcome the challenges of forming deep and narrow welds. Experiments demonstrated that this tool could achieve defect-free joints for four common aluminum alloys with a depth to width ratio of 0.59-0.67. The joint center exhibited an impact slow flow zone due to the material flow direction difference between the upper pin and the pin effect. The maximum ultimate tensile strength of the 7075-T6 aluminum alloy joint reached 450.38 MPa, which was 85.8% of the base material. Fracture analysis revealed local blockage in the stirring zone and weld nugget zone, leading to joint failure.
MATERIALS CHARACTERIZATION
(2023)
Article
Engineering, Mechanical
Petr Homola, Roman Ruzek, Anthony R. McAndrew, Jeroen De Backer
Summary: This study aimed to fill a knowledge gap regarding the use of aluminium semi-products in the RFSSW process. The lap-shear and cross-tension mechanical tests, fatigue performance, metallographic and fractographic analyses, and digital image correlation technique were used. The results showed that primed joint configurations had higher fatigue limit values and different fatigue slope curves compared to bare material joints.
INTERNATIONAL JOURNAL OF FATIGUE
(2023)
Review
Materials Science, Composites
Quanjin Ma, M. R. M. Rejab, J. P. Siregar, Zhongwei Guan
Summary: This review paper focuses on the core structural trends and impact response of sandwich panels, highlighting the importance of different types of core structures in structural performance and applications. It also discusses the applications of sandwich panels under different loading conditions and the research on novel core structures.
JOURNAL OF COMPOSITE MATERIALS
(2021)
Article
Multidisciplinary Sciences
Quanjin Ma, M. R. M. Rejab, M. S. Idris
Summary: This article presents datasets related to a laboratory scale 3-axis filament winding machine, including winding angle range, winding accuracy, linear and rotation speeds. It provides a real-time winding angle measurement system, two winding patterns, and an i-winder app controlled by Bluetooth. The data can be used as a benchmark for developing a multi-axis filament winding machine.
Article
Engineering, Multidisciplinary
Quanjin Ma, M. R. M. Rejab, Shukur Abu Hassan, Mohammad Azeem, M. S. Saffirna
Summary: This paper investigates the compressive characteristics of the spherical-roof contoured core (SRCC) and finds that increasing the number of unit cells and the wall thickness can significantly improve its compressive characteristics. The study highlights the potential of the spherical-roof contoured core in electric vertical take-off and landing aircraft.
JOURNAL OF FAILURE ANALYSIS AND PREVENTION
(2022)
Review
Materials Science, Multidisciplinary
Quanjin Ma, M. N. M. Merzuki, M. R. M. Rejab, M. S. M. Sani, Bo Zhang
Summary: This review paper focuses on the recent research progress in free vibration analysis of fiber metal laminates (FMLs), including macro mechanical and micro mechanical approaches, as well as temperature effects. The available types of experimental vibration methods on FMLs are described, and classical theoretical equations of different FMLs on free vibration analysis are summarized. In addition, optimization studies on FMLs under dynamic analysis are further discussed.
FUNCTIONAL COMPOSITES AND STRUCTURES
(2023)
Article
Polymer Science
Muhamad Soffi Manda, Mohd Ruzaimi Mat Rejab, Shukur Abu Hassan, Mat Uzir Wahit, Didik Nurhadiyanto
Summary: Studies have shown that carbon fibre-reinforced plastic confinement can enhance the strength of tin slag polymer concrete up to 128%. However, the effect of metallic material confinement has not been studied yet. This study experimentally investigates the strengthening of tin slag polymer concrete using a machined mild steel metal tube under compressive loads. The results show that the compressive strength of the concrete is improved by applying metal tube confinement.
Article
Engineering, Multidisciplinary
Zulkifli Yusof, M. R. M. Rejab, Quanjin Ma
Summary: This study evaluates composite wrapping specimens installed at select oil and gas plants through finite element analysis and actual observations, concluding that composite wrapping can be employed as a permanent repair solution for leaked pipelines.
JOURNAL OF FAILURE ANALYSIS AND PREVENTION
(2023)
Article
Materials Science, Multidisciplinary
Quanjin Ma, M. R. M. Rejab, Mohammad Azeem, M. S. Idris, M. F. Rani, A. Praveen Kumar
Summary: This paper proposes a real-time winding angle measurement device embedded in a portable 3-axis winding machine for detecting and measuring the winding angle during the winding process. The device consists of hardware (Raspberry Pi 3B+ and Arducam 5MP OV5647 camera modules) and software (OpenCV). Experimental tests were conducted to validate the measurement data on various winding angles, and the crushing behavior of thin-walled CFRP tubes was studied. The real-time measurement data showed a comparative error value of approximately 0.45±0.02, which was more accurate than traditional measurement data.
FORCES IN MECHANICS
(2023)
Article
Engineering, Mechanical
M. S. Idris, Q. Ma, M. R. M. Rejab
Summary: This research examines the usage of three-dimensional (3D) printing among Malaysian users, aiming to establish its demographics and patterns of use. A survey was conducted during a 3D printing webinar and through social media groups. Results show that over 90% of the respondents have tertiary education, with 74 males and 8 females participating. Approximately 39% of the respondents are from the Greater Klang Valley, and 33% are self-employed. The survey reveals that the highest application of 3D printing is for personal hobbies, and the most commonly used brand is Creality 3D. The research successfully provides insights into the demographics and usage patterns of 3D printer users in Malaysia.
JOURNAL OF MECHANICAL ENGINEERING AND SCIENCES
(2023)
Proceedings Paper
Materials Science, Multidisciplinary
X. X. Jiang, M. S. Saffirna, M. R. M. Rejab, N. K. Romli, Quanjin Ma
Summary: This study provides a useful understanding of the strength and stiffness of I-core sandwich plates through the investigation of different T-joint weld dimension characteristics and failure modes.
MATERIALS TODAY-PROCEEDINGS
(2022)
Proceedings Paper
Materials Science, Multidisciplinary
Quanjin Ma, M. R. M. Rejab, A. Praveen Kumar, Bo Zhang, Bo Sun, M. N. M. Merzuki
Summary: This paper investigates the free vibration characteristics of the spherical-roof contoured cores (SRCC) as core structure in sandwich panel. Two novel core designs, three types of materials, and two boundary conditions were studied using the finite element method. The results show that glass fibre-reinforced plastic material has more mode numbers compared to metal and CFRP materials in common and novel core designs.
MATERIALS TODAY-PROCEEDINGS
(2022)
Review
Chemistry, Multidisciplinary
Usaid Ahmed Shakil, Shukur Bin Abu Hassan, Mohd Yazid Yahya, Mohd Ruzaimi Mat Rejab
Summary: This article summarizes the methods and techniques for preparing short nanofibers and discusses attempts to control the aspect ratio of the fibers. Standardizing the preparation of short nanofibers can provide new possibilities for material design.
NANOTECHNOLOGY REVIEWS
(2022)
Proceedings Paper
Materials Science, Multidisciplinary
M. S. Saffirna, X. X. Jiang, M. R. M. Rejab, K. S. Lim, N. N. Guo, Wang Bangle
Summary: The stiffness and strength of sandwich plate are influenced by the material composition and laser weld geometry. This study investigates the characteristics of I-core sandwich steel plate using finite element analysis. The results reveal that combining weak and strong materials in either element reduces the stiffness and strength of the sandwich plate, unless strong material is used in both the faceplate and core. Additionally, the presence of a rootgap significantly affects the performance of the plate, while achieving ideal bending performance is possible when the weld width is close to the length of the core. The exploration of these characteristics in response to I-core sandwich steel plate provides valuable insights into the factors that affect the plate's stiffness and strength.
MATERIALS TODAY-PROCEEDINGS
(2022)
Proceedings Paper
Materials Science, Multidisciplinary
Quanjin Ma, Jia Ge, M. R. M. Rejab, Bo Sun, Yajun Ding, Xiaohan Nie, Hao Pang
Summary: This study successfully designed and fabricated a CFRP cone tube using a low-cost filament winding machine, achieving a winding angle of 75.11 degrees +/- 0.12 degrees through dry and wet winding processes. The experimental results indicated that the wet winding process provides better winding quality and higher surface smoothness compared to the dry winding process.
MATERIALS TODAY-PROCEEDINGS
(2021)
Proceedings Paper
Materials Science, Multidisciplinary
J. P. Siregar, M. Zalinawati, T. Cionita, M. R. M. Rejab, I. Mawarnie, J. Jaafar, M. H. M. Hamdan
Summary: The study on reinforced epoxy hybrid composites of sugar palm fiber and ramie fiber showed that the mechanical properties were enhanced. The hybrid composite with a higher tensile and flexural strength exhibited positive hybridization effects, contributing to the success in achieving a green composite.
MATERIALS TODAY-PROCEEDINGS
(2021)
Article
Engineering, Mechanical
Quanjin Ma, M. R. M. Rejab, A. Praveen Kumar, Hao Fu, Nallapaneni Manoj Kumar, Jianbo Tang
Summary: The study aimed to investigate the effect of infill pattern, density, and material types on 3D printed cubes under quasi-static axial compressive loading. The results showed that the honeycomb infill pattern of the PLA cubic structure exhibited the best energy-absorbing characteristics, highlighting the potential of 3D printed structures to replace conventional lightweight structures.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE
(2021)
