Article
Engineering, Civil
Andrzej Dzierwa, Pawel Pawlus
Summary: The main objective of the study was to model wear of a disc subjected to dry contact with a ball in unidirectional sliding. Tribological tests were conducted, showing that wear volumes of the discs were influenced by the roughness heights of the surfaces, with a strong correlation between modeled and measured wear levels.
ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING
(2021)
Article
Materials Science, Coatings & Films
Laurent Aubanel, Francesco Delloro
Summary: This study investigates a composite coating obtained by cold spray for its potential application in automotive internal combustion engines. The coating consists of a 410 L matrix and M2 tool steel reinforcements. The study examines the microstructure, mechanical properties, topography, and tribological behavior of the coatings and proposes the use of surface textures with protuberances for lubricated contacts.
SURFACE & COATINGS TECHNOLOGY
(2023)
Article
Engineering, Mechanical
Rita Ferreira, Oscar Carvalho, Luis Sobral, Sandra Carvalho, Filipe Silva
Summary: The radial surface coating layer of compression piston rings is used to improve wear resistance in internal combustion engines. However, the friction coefficient of the piston ring-cylinder liner pair at top dead centers negatively affects the engine's tribological performance. This study tested dimples with different texture dimensions and densities in a home-developed tribometer and found that the texture with an aspect ratio of 0.25 and a density area of 15% yielded the best tribological results.
Article
Optics
Yayun Liu, Qi Zhu, Chuanyang Wang, Jiaqiang Li
Summary: This paper investigates the fabrication of biomimetic textures on CoCrMo artificial knee joints and their impact on friction performance. The results show that the textured joints exhibit better friction properties compared to non-textured joints, and samples with a scaly textured structure show the best friction performances. The mechanisms responsible for this enhancement are explained as micro-textures storing wear debris and lubricating fluid, as well as derivative-cutting behavior removing wear debris.
OPTICS AND LASER TECHNOLOGY
(2023)
Article
Engineering, Civil
Martina Paronesso, Dimitrios G. Lignos
Summary: The study found that two non-metallic friction pads maintained stable friction coefficients under different pressure levels and loading protocols at higher sliding velocities. The primary damage mechanism of the two pads in typical earthquake sequences is surface wear, and there is minimal loss of bolt pretension in the friction damper during the same loading sequences.
ENGINEERING STRUCTURES
(2021)
Article
Polymer Science
Anun Wongpayakyotin, Chanchira Jubsilp, Sunan Tiptipakorn, Phattarin Mora, Christopher W. Bielawski, Sarawut Rimdusit
Summary: A series of substituted polybenzoxazines were synthesized and studied as binders in non-asbestos friction composite materials. By varying the structure of polybenzoxazines, composite friction materials with different properties were obtained. Higher crosslink densities in polybenzoxazines resulted in composite friction materials with better thermomechanical and wear resistance properties, while lower crosslink densities led to materials with improved coefficient of friction values and specific wear rates.
Article
Chemistry, Physical
Linqing Bai, Jianxin Sun, Pengcheng Zhang, Zulfiqar Ahmad Khan
Summary: This study investigates the frictional behavior of a textured surface against various materials, showing that the performance is influenced by texture parameters and the friction pair materials. Different surface textures, such as circular dimples and grooves, play a positive role in improving friction and wear performance under specific operating conditions for certain friction pairs, while no improvement is seen for others. The results provide insight for enhancing bearing element performance in complex interacting systems.
Article
Materials Science, Paper & Wood
Zhiqiang Shan, Xiaohua Jia, Rui Tian, Jin Yang, Sizhe Wang, Yong Li, Dan Shao, Lei Feng, Haojie Song
Summary: The shift from unsustainable to green, environmentally friendly, and recyclable preparation strategy of paper-based friction materials is important for low-carbon manufacturing. A wood-based slurry was created through a solvent encapsulation strategy involving wood dissolution in a deep eutectic solvent and lignin-cellulose structural reorganization. The resulting material, lignin-cellulose film (LCF), showed exceptional tensile strength and flexibility, as well as long-lasting frictional stability. The wood-based slurry could also be easily recycled or degraded in the natural environment, providing a promising alternative to traditional paper-based friction materials.
Review
Polymer Science
M. M. A. Baig, M. Abdul Samad
Summary: Epoxy composite coating systems are commonly used in applications to protect components from corrosive media, but their use in demanding tribological applications is limited. Researchers have attempted to enhance the tribological properties of these coatings by utilizing different types of micro/nano-sized fillers.
Article
Polymer Science
Fatma Makni, Anne-Lise Cristol, Riadh Elleuch, Yannick Desplanques
Summary: The lack of understanding regarding the relationship between the manufacturing process and performance is a significant issue in brake lining development. This study investigates the impact of mixing duration on the microstructure, properties, and tribological behavior of organic friction composite materials. Simplified formulations are used to limit synergistic effects, and the microstructural characteristics are analyzed using 2D and 3D techniques. The results demonstrate that mixing duration affects particle distribution, fiber arrangement, and wear behavior.
Article
Chemistry, Physical
Daohui Xiang, Zhiqiang Zhang, Yanbin Chen, Yongwei Hu, Xiaofei Lei
Summary: The study indicates that boron doping can enhance the quality of diamond films, while texture contributes to improved adhesion strength. Under water lubrication, boron-doped grooved textured diamond films exhibit the best wear resistance among the tested samples.
SURFACES AND INTERFACES
(2021)
Article
Engineering, Mechanical
Junjie Lu, Bojie Zhang, Hui Song, He Li
Summary: In this study, a composite model combining diamond thin film and surface microstructure was designed on the surface of silicon carbide. The tribological performance of the friction pair was studied under oil-poor conditions using a multifunctional friction and wear tester. The results show that the composite model reduces the friction coefficient and surface temperature rise, maintains carbon content, and improves the tribological performance of the friction pair.
TRIBOLOGY INTERNATIONAL
(2023)
Article
Engineering, Mechanical
Venkatesh Chenrayan, V. Vaishnav, Kiran Shahapurkar, Chandru Manivannan, Vineet Tirth, Ibrahim M. Alarifi, Mohammed A. Alamir, Catalin I. Pruncu, Luciano Lamberti
Summary: This research focuses on developing an improved tribological performance material made of Al7075 alloy reinforced with TiB2 and graphene. The wear rate decreases as graphene content becomes higher. At room temperature, the wear mechanism is driven by adhesion, while abrasion governs the wear process at high temperatures.
TRIBOLOGY INTERNATIONAL
(2023)
Article
Materials Science, Multidisciplinary
Katarzyna Piotrowska, Monika Madej, Joanna Kowalczyk, Krystyna Radon-Kobus
Summary: This study evaluates the effects of surface roughness on the properties of a-C:H:Si coatings obtained through plasma-assisted chemical vapor deposition (PACVD). The results show that the adhesion strength of the coatings on polished surfaces is higher compared to sandblasted surfaces, leading to improved friction and wear parameters.
Article
Polymer Science
Yiren Pan, Yihui Chen, Yi Pan, Junxiu Xue, Wenwen Han, Huiguang Bian
Summary: This study compared the use of carbon matrix composite (CMC) wear-resistant plate and common wear-resistant (CWR) plate in replacing silica in rubber formula. The results showed that CMC wear-resistant plate exhibited a high friction coefficient and low wear rate in the mixing process of silica compound, while the opposite trend was observed for carbon black compound. The experimental results suggested that CMC wear-resistant plate is more suitable for a silica mixing process, and its increasing friction coefficient with decreasing wear rate can improve the importance of effective friction in mixing and prolong the service life of wear-resistant plate.
Article
Engineering, Mechanical
Mohamad Nordin Mohamad Norani, Mohd Fadzli Bin Abdollah, Muhammad Ilman Hakimi Chua Abdullah, Hilmi Amiruddin, Faiz Redza Ramli, Noreffendy Tamaldin
Summary: This study analyzed the coefficient of friction and wear properties of acrylonitrile butadiene styrene polymer through optimizing 3D printing parameters, finding that layer height has the most significant impact on coefficient of friction and wear rate.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY
(2021)
Article
Engineering, Mechanical
Mohd Fadzli Bin Abdollah, Hilmi Amiruddin, Muhammad Alif Azmi, Noor Ayuma Mat Tahir
Summary: This study investigates the lubrication mechanism of hexagonal boron nitride nano-additives through various analyses and finds the optimum concentration to be 1.0 vol.%. Recommended lubrication mechanisms include protecting film, mending effect, rolling effect, and polishing effect.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY
(2021)
Article
Engineering, Mechanical
Mohd Fadzli Bin Abdollah, Hilmi Amiruddin, Mohamad Jabbar Nordin
Summary: The study found that regardless of fiber treatment, a smaller fiber length and higher fiber composition may enhance the tribological performance of the composite, with a coefficient of friction of 0.4 and wear rate below 1 x 10(-9) mm(3)/Nm. The predominant wear mechanisms identified were micro-cracks, fine grooves, and fiber debonding.
INDUSTRIAL LUBRICATION AND TRIBOLOGY
(2021)
Article
Engineering, Manufacturing
Nor Ana Rosli, Mohd Rizal Alkahari, Faiz Redza Ramli, Mohd Fadzli bin Abdollah, Syahibudil Ikhwan Abdul Kudus, Safarudin Gazali Herawan
Summary: This study determines the optimal input parameters for micro plasma welding in order to achieve high deposition rate with minimal heat input, providing a stable foundation for multi-layer deposition in 3D additive manufacturing.
MANUFACTURING TECHNOLOGY
(2022)
Editorial Material
Engineering, Mechanical
Mohd Fadzli Bin Abdollah
INDUSTRIAL LUBRICATION AND TRIBOLOGY
(2022)
Editorial Material
Engineering, Mechanical
Jitendra Kumar Katiyar, T. V. V. L. N. Rao, Mir Irfan Ul Haq, Mohd Fadzli Bin Abdollah
INDUSTRIAL LUBRICATION AND TRIBOLOGY
(2022)
Article
Engineering, Mechanical
Hilmi Amiruddin, Mohd Fadzli Bin Abdollah, Mohamad Nordin Mohamad Norani
Summary: This study proposes a novel grease material formulated with non-edible vegetable oils, beeswax thickener, and hexagonal Boron Nitride (hBN) as the nano additive. The optimal formulation was determined using the Taguchi-based Grey Relational Analysis technique. The study found that base oil significantly affected the Coefficient of Friction (COF) and mechanical stability of the bio-grease material. The optimized bio-grease material exhibited excellent lubrication and mechanical stability performance.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY
(2023)
Article
Materials Science, Multidisciplinary
Muhammad Nur Akmal Kazim, Mohd Fadzli Bin Abdollah, Hilmi Amiruddin, S. Liza, Faiz Redza Ramli
Summary: The study investigates the impact of different printing layer thicknesses on the mechanical properties of a new 3D-printed polymer blend made from PLA and PCU. Compressive strength and Young's modulus of the blend were reduced when PCU was added compared to 3D-printed PLA. Printing layer thickness also affected the mechanical properties of the specimens, and the hardness-to-elasticity ratio was found to be a crucial characteristic for proper load transfer. SEM analysis revealed smoother cross-sectional surfaces for compression-molded specimens, leading to different failure modes for both types of specimens.
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
(2023)
Article
Engineering, Chemical
Juliana Basiron, Mohd Fadzli Bin Abdollah, Muhammad Ilman Hakimi Chua Abdullah, Hilmi Amiruddin
Summary: This study developed eco-friendly lubricants by combining non-edible vegetable oils with a mineral oil and investigated their effects on friction and wear characteristics of AISI 52100 chrome steel balls. Different formulations were prepared using sonification technique and their molecular vibrations were analyzed using Fourier Transform Infrared Spectrometer. A tribological test was performed and surface morphologies were examined using scanning electron microscope. The formulation containing 80% mineral oil, 10% castor oil, and 10% jatropha oil exhibited excellent tribological performance due to the presence of carbohydrates and carbonyl groups.
LUBRICATION SCIENCE
(2023)
Article
Engineering, Mechanical
Juliana Basiron, Mohd Fadzli Bin Abdollah, Muhammad Ilman Chua Abdullah, Hilmi Amiruddin
Summary: This study investigates the lubrication mechanism of eco-friendly lubricant made from non-edible vegetable oils and mineral oil. The optimal concentration of 80% S100, 10% C100, and 10% J100 (S80C10J10) is determined to have a mixed lubrication regime and reduce friction and wear. The suggested lubricating mechanisms are the formation of a protective film and mending effect. By increasing the volume percent of C100 and J100, the lubrication regime changes from mixed to hydrodynamic, improving the coefficient of friction due to fluid drag.
TRIBOLOGY INTERNATIONAL
(2023)
Article
Engineering, Mechanical
Nurul Liyana Rahman, Hilmi Amiruddin, Mohd Fadzli Bin Abdollah, Noritsugu Umehara
Summary: This paper presents the synthesis and characterisation of oil palm fibre-based graphene deposited on copper particles for superlubricity oil additive. The oil palm fibre serves as a renewable carbon feedstock to grow graphene on the surface of copper particles through Chemical Vapor Deposition (CVD). The quality and presence of graphene were examined using SEM, TEM, and Raman spectroscopy, and the results showed improved graphene quality with reduced structural defects and a more homogeneous distribution on the surface of copper particles. Further investigations can be conducted to explore the synergistic effect of graphene as an oil additive for achieving superlubricity properties.
Article
Engineering, Mechanical
Muhammad Nur Akmal Kazim, Mohd Fadzli Bin Abdollah, Hilmi Amiruddin, S. Liza, Faiz Redza Ramli
Summary: This study investigates the impact of four 3D printing process parameters on the surface roughness and absorption rate of a mixture of PLA and PCU. The results show that layer thickness and PCU composition are the most significant factors affecting the surface roughness and absorption rate.
Article
Engineering, Mechanical
Yusliza Yusuf, Mariyam Jameelah Ghazali, Mohd Fadzli Bin Abdollah
Summary: This study investigates the effect of laser surface texturing on the creation of self-cleaning TiO2 surfaces. The results show that laser texturing changes the wettability properties of TiO2 coating and enhances its antibacterial properties. Overall, laser surface texturing is an effective method that can be applied in various industries.
