Article
Chemistry, Analytical
Xiaoyuan Li, Qikai Li, Zuoyan Ye, Yunfei Zhang, Minheng Ye, Chao Wang
Summary: The study found that normal stress has a greater impact on surface roughness during polishing of fused silica, and that the normal stress is sensitive to the immersion depth of the magnetorheological fluid, enabling fine-tuning for optimal surface roughness. This work fills gaps in understanding the stresses that influence surface roughness during MRF.
Article
Engineering, Mechanical
Sunil Kumar Paswan, Anant Kumar Singh
Summary: The novel in-situ magnetorheological honing (MRH) process combines traditional honing and advanced MRH processes to achieve improved surface finish and accuracy on tubular workpieces with a single setup, reducing costs and labor intensity significantly. This integrated approach enhances the surface finishing performance and reduces the risk of product faults due to tool and setup changes.
Article
Engineering, Mechanical
Kunal Arora, Anant Kumar Singh
Summary: A novel magnetic bevel gear finishing (BGF) tool is designed for efficient and precise finishing of straight bevel (SB) gears, achieving high wear resistance and shape accuracy in minimum time. Experimental results show close agreement between theoretically calculated values and actual surface finish, indicating the effectiveness of the developed magnetorheological finishing process.
Article
Engineering, Mechanical
Ravi Datt Yadav, Anant Kumar Singh, Kunal Arora
Summary: The study focuses on the utilization of a new magnetorheological gear profile finishing process for fine finishing of spur gear teeth profile surfaces. A theoretical mathematical model is developed to predict the change in surface roughness during the MRGPF process, with analysis of the impact of magnetic flux density on the gear tooth profile. Experimental validation and finite element analysis were used to confirm the theoretically calculated results.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE
(2021)
Article
Engineering, Manufacturing
Kunal Arora, Anant Kumar Singh
Summary: The fine finishing of polymer bevel gears is crucial for defining the functionality of industrial components. A novel magnetorheological bevel gear finishing process is used to efficiently finish the entire surface of polyamide bevel gears, resulting in improved surface characteristics and tooth accuracy.
MATERIALS AND MANUFACTURING PROCESSES
(2023)
Article
Engineering, Manufacturing
Faiz Iqbal, Zafar Alam, Dilshad Ahmad Khan, Sunil Jha
Summary: Ball end magnetorheological finishing (BEMRF) is a process used for precision finishing of complex surfaces, requiring in situ roughness measurement. The compact design and lightweight capabilities of a confocal sensor make it suitable for such applications.
MATERIALS AND MANUFACTURING PROCESSES
(2022)
Article
Engineering, Mechanical
Gourhari Ghosh, Ajay Sidpara, P. P. Bandyopadhyay
Summary: The study focuses on MRF of WC-Co coating using B4C abrasives, and improves the processing efficiency by fabricating composite abrasives, achieving higher MRR and lower surface roughness.
TRIBOLOGY INTERNATIONAL
(2021)
Article
Engineering, Mechanical
Gourhari Ghosh, Ajay Sidpara, P. P. Bandyopadhyay
Summary: In this study, magnetorheological finishing (MRF) of WC-Co coating was carried out with theoretical models proposed for better understanding of the finishing mechanism. The models were experimentally verified and showed good correlations with the experimental values. The areal surface roughness of the coating was reduced to 130 nm by performing MRF with diamond abrasives.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2021)
Article
Chemistry, Multidisciplinary
Chao Xu, Xiaoqiang Peng, Hao Hu, Junfeng Liu, Huang Li, Tiancong Luo, Tao Lai
Summary: NiP coating is an excellent material for coating optical components. This study develops a magnetorheological fluid specifically for NiP coating processing and establishes a material removal model for magnetorheological finishing (MRF) polishing. The optimized MRF polishing process effectively removes the turning tool pattern and improves the surface quality of the NiP coating.
Article
Engineering, Manufacturing
Suhas S. Aralikatti, Hemantha Kumar
Summary: The study proposes the use of a Magnetorheological (MR) fluid damper to suppress tool vibration in hard tuning. The damper can be easily installed without structural modification and regulates variable cutting conditions by changing its damping coefficient with the magnetic field. Comparison between in-house prepared MR fluid and commercial MR fluid shows their equal performance. The MR damper effectively reduces high-amplitude vibration and improves surface roughness and tool wear.
JOURNAL OF MANUFACTURING PROCESSES
(2023)
Article
Materials Science, Multidisciplinary
Chander Prakash, Sunpreet Singh, Alokesh Pramanik, Animesk Basak, Grzegorz Krolczyk, Marta Bogdan-Chudy, Yongling Linda Wu, H. Y. Zheng
Summary: The study investigates the effect of magnetorheological fluid assisted magnetic abrasive finishing (MRAF) process on the surface topography of high strength biomedical grade I3-phase Ti-Nb-Ta-Zr alloy. The study analyzed the impact of MRAF processing parameters on surface characteristics and found that the I3-TNTZ alloy exhibited excellent biomechanical properties. The optimal conditions for achieving the lowest surface roughness and highest material removal rate were identified for the raster path finishing strategy.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2021)
Article
Optics
Mahender Kumar Gupta, D. Dinakar, Inder Mohan Chhabra, Sunil Jha, Buchi Suresh Madireddy
Summary: This paper introduces a non-conventional polishing technique for fused silica glass, achieving angstrom level surface finishing using the Ball End Magneto rheological finishing method (BEMRF). This method minimizes subsurface damage and improves the surface roughness and material removal of fused silica glass, allowing for highly polished and precise optics fabrication.
Article
Engineering, Mechanical
Kunal Arora, Anant Kumar Singh
Summary: This study focuses on the fine finishing of polyamide workpieces using a novel magnetorheological finishing process. By optimizing the MRP fluid and process parameters, the surface smoothness and roughness of polyamide workpieces are effectively improved, leading to an extended lifespan of the components for various industrial applications. The experimental results demonstrate the efficacy of the MRF process in enhancing the performance of polyamide workpieces.
JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING
(2021)
Article
Engineering, Manufacturing
Manpreet Singh, Anant Kumar Singh
Summary: The study utilized magnetorheological (MR) finishing process to enhance the surface characteristics of tapered cylindrical punch workpieces, resulting in a significant reduction in surface roughness and waviness. The optimized parametric conditions led to a decrease in surface roughness parameters values by 97.28%, 95.82%, and 95.42%, as well as a reduction in surface waviness value from 0.8410 mu m to 0.2057 mu m, indicating improved functional life and defect-free end products.
JOURNAL OF MANUFACTURING PROCESSES
(2021)
Article
Automation & Control Systems
Yan Gu, Bin Fu, Jieqiong Lin, Xiuyuan Chen, Weidong Zhou, Bingjin Yu, Huibo Zhao, Zhen Li, Zisu Xu
Summary: This paper proposes a wheel-type vibration-magnetorheological compound finishing technique to reduce the unidirectional scratch caused by the wheel-type magnetorheological finishing tool and improve the convergence rate of surface roughness.
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
(2023)
Article
Engineering, Mechanical
Sunil Kumar Paswan, Anant Kumar Singh
Article
Engineering, Mechanical
Sunil K. Paswan, Anant K. Singh
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE
(2020)
Article
Engineering, Mechanical
Sohaib Ahmad Sirwal, Anant Kumar Singh, Sunil Kumar Paswan
JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING
(2020)
Article
Engineering, Mechanical
Sunil K. Paswan, Anant K. Singh
Summary: The particles in the magnetorheological polishing fluid play a crucial role in the MR finishing processes, particularly in the newly developed R-MRH process. Utilizing the motion of these particles in the R-MRH process can significantly improve the surface finishing efficiency and quality.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING
(2021)
Article
Engineering, Mechanical
Sunil Kumar Paswan, Anant Kumar Singh
Summary: The novel in-situ magnetorheological honing (MRH) process combines traditional honing and advanced MRH processes to achieve improved surface finish and accuracy on tubular workpieces with a single setup, reducing costs and labor intensity significantly. This integrated approach enhances the surface finishing performance and reduces the risk of product faults due to tool and setup changes.
Article
Engineering, Manufacturing
Sunil Kumar Paswan, Anant Kumar Singh
Summary: This study focuses on the fine-finishing of the inner surface of an EN-31 steel ball bearing outer race using rotational magnetorheological honing (RMRH). The response surface methodology was employed to determine the optimal finishing variables. After 40 minutes of RMRH finishing, the surface roughness and waviness were significantly reduced, resulting in improved straightness and circularity.
MATERIALS AND MANUFACTURING PROCESSES
(2023)
Article
Engineering, Mechanical
Sunil Kumar Paswan, Ankit Aggarwal, Anant Kumar Singh
Summary: The smoothness of the internal surface finish of a hydraulic cylinder's cylindrical barrel is crucial for the efficient operation of machinery. This study demonstrates the significance of using magnetorheological finishing process to achieve a fine finish on the inside surface of the cylindrical barrel, reducing power consumption for desired work.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING
(2022)
Article
Engineering, Manufacturing
Kunal Arora, Sunil Kumar Paswan, Anant Kumar Singh
Summary: A novel theoretical mathematical model is developed in this study to predict the reduction of surface roughness in the hemispherical acetabular cup using magnetorheological finishing (MRF) process. The experimental results match well with the predicted values, indicating the effectiveness of the present process in enhancing surface quality.
JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME
(2022)
Article
Engineering, Mechanical
Manpreet Singh, Sunil Kumar Paswan
Summary: Aluminium is a versatile engineering material widely used in various industries. The aluminium cylindrical roller plays a significant role in printing machines, but achieving uniform and fine finishing is challenging using conventional methods. Therefore, the rotary magnetorheological method is employed to optimize the finishing parameters and validate the surface texture and geometric measurements.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING
(2022)
Article
Engineering, Manufacturing
Sunil Kumar Paswan, Anant Kumar Singh
Summary: A new in-situ rotary magnetorheological honing (RMRH) approach has been developed to improve the productivity and dimensional accuracy of machined workpieces. The study shows that the method can significantly improve surface roughness, waviness, and texture.
MACHINING SCIENCE AND TECHNOLOGY
(2022)
Article
Engineering, Mechanical
Sunil Kumar Paswan, Kunal Arora, Anant Kumar Singh
Summary: This study investigates the use of the rotating magnetorheological honing (RMRH) process, based on permanent magnet tools, to finely finish the inner surface of a real-time EN-8 steel mold. By optimizing the process parameters using the response surface technique, significant improvements in surface roughness, straightness, circularity, and surface morphology are achieved, resulting in enhanced surface properties and functional efficacy for producing plastic bottle caps.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING
(2022)
Article
Engineering, Mechanical
Manpreet Singh, Sunil Kumar Paswan
Summary: This study optimized the performance of automotive steering rack bar by using the rotating core-based magnetorheological finishing process, which resulted in significant improvement in surface roughness. The study identified the optimum process parameters for fine finishing and demonstrated its potential benefits for industrial components.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING
(2022)
Article
Multidisciplinary Sciences
Sunil Kumar Paswan, Anant Kumar Singh
Summary: The cylindrical mold is an essential component used in industries for manufacturing various cylindrical products. The development of the rotary magnetorheological honing (R-MRH) process has enabled the production of defect-free surfaces with high quality and stable dimensions. The optimization of process parameters using response surface methodology has significantly improved the surface roughness and circularity of cast-iron cylindrical molds.
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
(2021)
Article
Engineering, Mechanical
Yankui Song, Ke Xiao, Guo Xiang
Summary: The novelty of this study lies in constructing an Entropy-based wear and fluid-solid-thermal (FST) coupled model for journal bearings, and revealing the transient interaction behavior between wear evolution and FST evolution during repeated starting and stopping. The wear rate is measured experimentally, and the contact temperature, friction coefficient and normal contact force are obtained from the validated FST model. Wear tests and numerical calculations are conducted to validate the predicted wear rate and investigate the time-varying wear and FST evolution of journal bearings.
Article
Engineering, Mechanical
Xin-long Liu, Xin Guan, Yuan Zhong, Qian Xiao, Yong Cao, Wu-lue Zhang, Song Zhang, Yi-ting Zheng, Ming-sheng Gao, Dao-yun Chen, Wen-bin Yang
Summary: Gaps in the conductor rail joints of intercity trains have an impact on current transmission and the wear of carbon skateboards. These gaps decrease the coefficient of friction, increase electrical contact resistance, and affect the wear rate of carbon skateboards.
Article
Engineering, Mechanical
Yuhang Wu, Conglin Dong, Xiuqin Bai, Chengqing Yuan
Summary: The study developed a new composite material by incorporating hexagonal boron nitride (h-BN) particles into a thermoplastic polyurethane (TPU) matrix, which exhibited excellent self-lubricating properties and reduced frictional excitation forces. The addition of h-BN particles effectively reduced the coefficient of friction, decreased fluctuation amplitude, enhanced wear resistance, and attenuated vibration behaviors.
Article
Engineering, Mechanical
Tiancheng Ouyang, Xiuyang Sun, Wentao Tang, Yinxuan Li, Zhi Qun Tian, Yanzhou Li
Summary: By adding nitrogen-doped graphene and C60 nanoparticles to the lubricant, a highly efficient nano-lubricant with vibration and noise reduction properties is synthesized.
Article
Engineering, Mechanical
Xin Zhuo, Jun Cao, Haibo Huang, Li Liu, Xinkun Suo, Peiqing Ye, Zeshan Abbas
Summary: A polymer coating prepared by liquid spraying technology on the surface of 20CrMo steel demonstrates good tribological and anti-cavitation erosive properties. It can effectively replace CuPb24Sn copper alloy in valve plates for pumps under different lubrication conditions. The coating exhibits adhesive wear and reduces frictional loss, and mainly shows abrasive wear under complex working conditions. Its lipophilicity, high hardness to elastic modulus ratio, and corrosion resistance are the main influencing factors for its performance.
Article
Engineering, Mechanical
Md. Aminul Islam, Jiaren (Jimmy) Jiang, Yongsong Xie
Summary: Erosion-corrosion is a major factor in material loss and reduced useful life of hydro-transport equipment. This study evaluates the erosion-corrosion characteristics of different materials and finds that matrix wear affects the degradation of carbides. Sufficient wear and corrosion resistance in the surrounding matrix are important for good erosion-corrosion resistance.
Article
Engineering, Mechanical
Andre Dubois, Oussama Filali, Laurent Dubar
Summary: This study investigates the effect of surface roughness, contact pressure, and lubrication on the onset of galling in aluminum 6082-T6 using a pin-on-plate tribometer. The experimental results show that the roughness and lubricants play a significant role in preventing galling.
Article
Engineering, Mechanical
Jizhan Wu, Peitang Wei, Guoqiang Liu, Difa Chen, Xiuhua Zhang, Taimin Chen, Huaiju Liu
Summary: This study conducted a comprehensive evaluation of the DLC coating treatment on the loading capacity of gears and characterized the surface features and fatigue performance. The results demonstrate that DLC coating significantly improves the hardness and surface residual compressive stress of the gears, as well as enhances their contact fatigue performance.
Article
Engineering, Mechanical
Yangping Liu, Hwaran Lee, Annsley Mace, Jeremy L. Gilbert
Summary: An AFM-based single asperity tribology method was used to investigate the wear performance of carbides and base metal matrix in high carbon CoCrMo alloy. The wear behavior of the two types of carbides was stress-dependent and influenced by chemical composition. Cr-rich carbides exhibited higher wear resistance compared to Mo-rich carbides.
Article
Engineering, Mechanical
Zdenek Riha, Michal Zelenak, Akash Nag, Jakub Poloprudsky, Tomas Kruml, Sergej Hloch
Summary: This study investigates the erosion performances of a high-speed modulated jet (MWJ) and continuous water jet (CWJ). By comparing different nozzles and water jet powers, the effects of modulated and continuous jets on aluminum alloy were studied. The results show that under certain conditions, modulated jet can create deeper and sharper grooves while reducing the impact of lateral flow.
Article
Engineering, Mechanical
Chunyu Yu, Weipu Li, Yang Guo, Xianbin Sun, Fanli Hong, Ning Sun, Qinghai Zhang
Summary: This study explores the relationship between the wear rate of train brake pads and its features, and proposes a method for predicting the wear rate suitable for small sample data. Grey relational analysis and Pearson correlation analysis are used to determine the preferred features that affect the wear rate, and a BOA-BP model is established for prediction. The results show that BOA-BP exhibits better advantages in prediction with small samples.
Article
Engineering, Mechanical
Shan Yin, Xin Zhao, Shuangchao Huang, Zefeng Wen, Xuesong Jin
Summary: This study simulated the rolling contact of a driving wheelset over tangent and curved tracks at a speed up to 500 km/h using an explicit finite element approach to derive creep curves. The comparison between quasi-steady curves and transient curves in the presence of rail corrugation helped to identify cases where traditional theories are inapplicable and where transient effects must be considered. Additionally, the study further analyzed the influence of middle/high-frequency vibrations in the presence of rail corrugation.
Article
Engineering, Mechanical
Jiyao Zhang, Yuanlie Yu, Junlei Tang, Yingying Wang, Honggang Sun, Kaikai Song, Jianhong Gong, Pingping Liu, Xiaoming Liu, Lina Hu, Parthiban Ramasamy, Juergen Eckert
Summary: The influence of high-carbon addition on the microstructure, hardness, and wear behavior of CoCrNi alloy was investigated. It was found that the addition of carbon resulted in the formation of carbide particles, enhancing the hardness and improving the wear resistance. Fracture and detachment of hard carbides during friction introduced additional abrasive particles, transitioning the wear mechanism from adhesive-dominated to abrasive-dominated.
Article
Engineering, Mechanical
Yanfei Liu, Shengtao Yu, Ruize Zhang, Xiangyu Ge, Wenzhong Wang
Summary: This study reports the tribological behavior of nanodiamond plate (NDPL) as a nanoadditive for the first time and compares it with nanodiamond particles (NDPA). The results show that NDPL provides better lubrication performance at higher concentrations, and the sliding between NDPLs and the structural transformation from sp3 to sp2 carbon play a crucial role in lubrication and wear resistance.
