Tribological characteristics comparison of formulated palm trimethylolpropane ester and polyalphaolefin for cam/tappet interface of direct acting valve train system

by Zahid, Rehan, Masjuki, Haji Hassan, Alabdulkarem, Abdullah, Varman, Mahendra, Kalam, Md. Abul, Mufti, Riaz Ahmad, Zulkifli, Nurin Wahidah Mohd, Gulzar, Mubashir, Bhutta, Muhammad Usman, Ali, Mian Ashfaq, Abdullah, Usman, Yunus, Robiah H.
Published 2018