Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Riaz Ahmad Mufti"'
Autor:
Muhammad Usman Bhutta, Muhammad Huzaifa Najeeb, Muhammad Usman Abdullah, Samiur Rahman Shah, Muhammad Khurram, Riaz Ahmad Mufti, Kiyotaka Ogawa, Jawad Aslam, Rehan Zahid, Mian Ashfaq Ali, Muazzam Arshad
Publikováno v:
Materials, Vol 16, Iss 9, p 3431 (2023)
Reduction in friction ensures fuel economy, control on emissions and durability of components in internal combustion engines. A modern gasoline internal combustion engine was instrumented to determine the friction values at the cam–roller interface
Externí odkaz:
https://doaj.org/article/f0e997374af24806a23de6703ceee844
Autor:
Rehan Zahid, Muhammad Usman Bhutta, Riaz Ahmad Mufti, Muhammad Usman Abdullah, Haji Hassan Masjuki, Mahendra Varman, Muhammad Abul Kalam, Mian Ashfaq Ali, Jawad Aslam, Khalid Akhtar
Publikováno v:
Materials, Vol 14, Iss 23, p 7206 (2021)
The environmental concerns associated with artificially formulated engine oils have forced a shift towards bio-based lubricants. The deposition of hard coatings on engine components and migrating to environmentally friendly green lubricants can help
Externí odkaz:
https://doaj.org/article/54bc26c6a17441509f5c2748c9ebff5b
Autor:
Sadaqat Ali, Ahmad Majdi Abdul Rani, Riaz Ahmad Mufti, Sri Hastuty, Murid Hussain, Nasir Shehzad, Zeeshan Baig, Abdul Azeez Abdu Aliyu
Publikováno v:
Metals, Vol 9, Iss 7, p 755 (2019)
Austenitic 316L stainless steel has been the most widely acceptable biomaterial for producing implants. The downside of this material includes the leaching of nickel ions from the matrix that limits its’ usage in implant manufacturing. In this rese
Externí odkaz:
https://doaj.org/article/05edc83f1e334eb6b164f5990f54e37a
Publikováno v:
Tribology Transactions. 63:425-438
In this study, a numerical investigation is presented to calculate the flash temperature at the cam–tappet junction area using different easy-to-use theoretical models available in the literature. ...
Autor:
Khalid Akhtar, Muhammad Usman Abdullah, Riaz Ahmad Mufti, Haji Hassan Masjuki, Muhammad Usman Bhutta, Rehan Zahid, Mahendra Varman, Jawad Aslam, Mian Ashfaq Ali, M.A. Kalam
Publikováno v:
Materials
Zahid, R, Bhutta, M U, Mufti, R A, Abdullah, M, Masjuki, H H, Varman, M, MD., ABUL KALAM, Ali, M A, Aslam, J & Akhtar, K 2021, ' Friction and Wear Performance Evaluation of Bio-Lubricants and DLC Coatings on Cam/Tappet Interface of Internal Combustion Engines ', Materials, vol. 14, no. 23, 7206 . https://doi.org/10.3390/ma14237206
Materials; Volume 14; Issue 23; Pages: 7206
Materials, Vol 14, Iss 7206, p 7206 (2021)
Zahid, R, Bhutta, M U, Mufti, R A, Abdullah, M, Masjuki, H H, Varman, M, MD., ABUL KALAM, Ali, M A, Aslam, J & Akhtar, K 2021, ' Friction and Wear Performance Evaluation of Bio-Lubricants and DLC Coatings on Cam/Tappet Interface of Internal Combustion Engines ', Materials, vol. 14, no. 23, 7206 . https://doi.org/10.3390/ma14237206
Materials; Volume 14; Issue 23; Pages: 7206
Materials, Vol 14, Iss 7206, p 7206 (2021)
The environmental concerns associated with artificially formulated engine oils have forced a shift towards bio-based lubricants. The deposition of hard coatings on engine components and migrating to environmentally friendly green lubricants can help
Publikováno v:
Tribology - Materials, Surfaces & Interfaces. 14:59-65
The paper aims to predict the cam and follower wear in direct acting valve train considering the effects of operating conditions. A numerical approach has been developed using frictional an...
Autor:
Syed Waqar Ahmed, Abdul Azeez Abdu Aliyu, Sadaqat Ali, Muhammad Al’Hapis Abdul Razak, Riaz Ahmad Mufti, Sri Hastuty, Ahmad Majdi Abdul Rani, Zeeshan Baig
Publikováno v:
Processes, Vol 8, Iss 3, p 297 (2020)
Processes
Volume 8
Issue 3
Processes
Volume 8
Issue 3
This research investigates the simultaneous sintering and surface nitriding of 316L stainless steel alloy using powder metallurgy method. The influence of sintering temperature and dwell time are investigated for maximum nitrogen absorption, densific
Autor:
Abdullah Alabdulkarem, Usman Abdullah, Riaz Ahmad Mufti, Md. Abul Kalam, Mubashir Gulzar, Mahendra Varman, Masjuki Hassan, Nurin Wahidah Mohd Zulkifli, Mian Ashfaq Ali, Robiah H. Yunus, Muhammad Usman Bhutta, Rehan Zahid
Publikováno v:
Industrial Lubrication and Tribology. 70:888-901
Purpose There is a continuous drive in automotive sector to shift from conventional lubricants to environmental friendly ones without adversely affecting critical tribological performance parameters. Because of their favorable tribological properties
Autor:
Waseem Arshad, M Usman Abdullah, Kiyo Ogawa, Riaz Ahmad Mufti, M Huzaifa Najeeb, M Usman Bhutta, Samiur Rahman Shah, Muhammad Khurram
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 233:1125-1135
The performance and durability of tribological components in roller follower valve train is governed mainly by the roller rotational behaviour. Pure rolling of roller on the camshaft surface is essential to achieve the optimum valve train efficiency.
Publikováno v:
Tribology International. 118:170-179
This paper describes the development of a numerical approach based on friction and lubrication analysis to predict the flash temperature and its effects on friction at cam/follower interface. Simulation results showed that the rise in flash temperatu