Lubricity of bio-based lubricant derived from different chemically modified fatty acid methyl ester by Zulkifli, Nurin Wahidah Mohd, Azman, S.S.N., Kalam, Md. Abul, Masjuki, Haji Hassan, Yunus, R., Gulzar, M.

“…The trimethylolpropane (TMP) and pentaerythritol ester (PE) were produced from palm oil methyl ester; they are biodegradable and have high lubricity properties. Two different conditions of lubrication were investigated. …”

Lubricity of bio-based lubricant derived from different chemically modified fatty acid methyl ester by Mohd Zulkifli, Nurin Wahidah, Nor Azman, Siti Safiyah, Kalam, Md. Abul, Hassan, Masjuki, Yunus, Robiah, Gulzar, Mubashir

“…The trimethylolpropane (TMP) and pentaerythritol ester (PE) were produced from palm oil methyl ester; they are biodegradable and have high lubricity properties. Two different conditions of lubrication were investigated. …”
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The effect of palm oil trimethylolpropane ester on extreme pressure lubrication by Zulkifli, Nurin Wahidah Mohd, Kalam, Md. Abul, Masjuki, Haji Hassan, Al Mahmud, K.A.H., Yunus, R.

“…TMP ester produced from palm oil is biodegradable and has high lubricity properties, such as a higher flash point temperature and viscosity index. …”

The Effect of Temperature on Tribological Properties of Chemically Modified Bio-Based Lubricant by Zulkifli, Nurin Wahidah Mohd, Kalam, Md. Abul, Masjuki, Haji Hassan, Al Mahmud, K.A.H., Yunus, R.

“…This is because at high temperature, the lubricant filmed formed by fatty acids tends to be less stable and breaks down more easily. © 2014 Copyright © Society of Tribologists and Lubrication Engineers.…”

AW/EP behavior of WS2 nanoparticles added to vegetable oil-based lubricant by Gulzar, Mubashir, Hassan, Masjuki, Kalam, Md. Abul, Munusamy, Mahendra Varman, Mufti, Riaz Ahmad, Zahid, Rehan, Yunus, Robiah

“…Improvement in the anti-wear (AW) and extreme pressure (EP) ability of chemically modified jatropha oil (CMJO) by adding nanoparticles was experimentally evaluated. Nano-lubricants were synthesized by adding 1 wt% tungsten disulfide (WS2) nanoparticles to CMJO. …”
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Wear prevention characteristics of a palm oil-based TMP (trimethylolpropane) ester as an engine lubricant by Zulkifli, Nurin Wahidah Mohd, Kalam, Md. Abul, Masjuki, Haji Hassan, Shahabuddin, M., Yunus, Robiah

“…Three different regimes of lubrications are investigated, which hydrodynamic, elasto hydrodynamic and boundary lubrications. …”

Wear prevention characteristics of a palm oil-based TMP (trimethylolpropane) ester as an engine lubricant by Mohd Zulkifli, Nurin Wahidah, Kalam, Md. Abul, Hassan, Masjuki, Ahmmad, Md Shahabuddin, Yunus, Robiah

“…Three different regimes of lubrications are investigated, which hydrodynamic, elasto hydrodynamic and boundary lubrications. …”
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Oil filter modification for biodiesel–fueled engine: A pathway to lubricant sustainability and exhaust emissions reduction by Gulzar, M., Masjuki, Haji Hassan, Kalam, Md. Abul, Varman, M., Rizwanul Fattah, I.M.

“…The widespread use of biodiesel in internal combustion engines promotes frequent lubricant drain intervals which in turn affects lubricant sustainability and engine performance. …”
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Tribological Improvement Using Ionic Liquids as Additives in Synthetic and Bio-Based Lubricants for Steel–Steel Contacts by Syahir, A.Z., Zulkifli, Nurin Wahidah Mohd, Masjuki, Haji Hassan, Kalam, Md. Abul, Harith, M.H., Yusoff, M.N.A.M., Zulfattah, Z.M., Jamshaid, Muhammad

“…This study investigates the performance of three ionic liquids (ILs), trihexyl(tetradecyl)phosphonium bis(2,4,4-trimethylpentyl)phosphinate, trihexyl(tetradecyl)phosphonium decanoate, and 1-butyl-3-methylimidazolium tetrafluoroborate, as lubricant additives in synthetic oil polyalphaolefin (PAO8) and bio-based oil trimethylolpropane trioleate (TMPTO). …”

Wear characteristics of patterned and un-patterned tetrahedral amorphous carbon film in the presence of synthetic and bio based lubricants by Arslan, Ahmed, Quazi, Moinuddin Mohammed, Masjuki, Haji Hassan, Kalam, Md. Abul, Varman, Mahendra, Zulkifli, Nurin Wahidah Mohd, Jamshaid, Muhammad, Mandalan, S.M., Gohar, Ghulam Abbas, Gulzar, Mubashir, Alwi, Azham, Yarmand, Hooman, Mustafa, Maria S.

“…The results showed that bio-based lubricant show better wear performance at 40 and 80 °C compared to PAO lubricant for both laser patterned and non-patterned ta-C thin film. …”

Tribological compatibility analysis of conventional lubricant additives with palm trimethylolpropane ester (TMP) and tetrahedral amorphous diamond-like carbon coating (ta-C) by Zahid, Rehan, Mufti, Riaz Ahmad, Gulzar, Mubashir, Masjuki, Haji Hassan, Alabdulkarem, Abdullah, Varman, Mahendra, Kalam, Md. Abul, Zulkifli, Nurin Wahidah Mohd, Yunus, Robiah

“…Modern industrial applications involve rigorous operating conditions due to which lubricant either slips out of the contact or its thin layer resides between the interacting surfaces. …”

Investigation of the tribochemical interactions of a tungsten-doped diamond-like carbon coating (W-DLC) with formulated palm trimethylolpropane ester (TMP) and polyalphaolefin (PAO... by Zahid, R., Masjuki, Haji Hassan, Alabdulkarem, A., Varman, Mahendra, Mufti, R.A., Kalam, Md. Abul, Zulkifli, Nurin Wahidah Mohd, Gulzar, M., Lee, T.

“…Modern day industrial applications involve rigorous operating conditions, which include high temperature, heavy applied loads, and starved lubrication conditions. In these scenarios, either the lubricant slips out of the contact or only a thin layer of lubricant resides between interacting surfaces. …”

Tribological characteristics comparison of formulated palm trimethylolpropane ester and polyalphaolefin for cam/tappet interface of direct acting valve train system by Zahid, Rehan, Hassan, Masjuki, Alabdulkarem, Abdullah, Varman, Mahendra, Kalam, Md. Abul, Mufti, Riaz Ahmad, Mohd Zulkifli, Nurin Wahidah, Gulzar, Mubashir, Bhutta, Muhammad Usman, Ali, Mian Ashfaq, Yunus, Robiah

“…To prove the suitability of TMP for applications involving boundary-lubrication regime such as cam/tappet interface of direct acting valve train system, a logical step forward is to investigate their compatibility with conventional lubricant additives. …”
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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.

“…To prove the suitability of TMP for applications involving boundary-lubrication regime such as cam/tappet interface of direct acting valve train system, a logical step forward is to investigate their compatibility with conventional lubricant additives. …”

Anti-wear characteristics of jatropha trimethylolpropane (TMP) ester by Mohd Zulkifli, Nurin Wahidah, Kalam, Md. Abul, Yunus, Robiah, Hassan, Masjuki

“…The load, speed and lubricant sample temperature were set at 40 kgf (393 N), 1200 rpm and 75 °C, respectively. …”
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Comparison of tribological performance of zinc dialkyldithiophosphate (ZDDP) in poly-alpha-olefin (PAO) and palm oil-based trimethylopropane (TMP) ester by Zahid, Rehan, Hassan, Masjuki, Munusamy, Mahendra Varman, Mufti, Riaz Ahmad, Kalam, Md. Abul, Gulzar, Mubashir, Yunus, Robiah

“…In addition, ZDDP-derived tribofilm was detected on the interacting surfaces, when TMP+PAO+ZDDP lubricant was used, resulting in decreased wear.…”
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Tribological Properties of Steel/Steel, Steel/DLC and DLC/DLC Contacts in the Presence of Biodegradable Oil by Mannan, Abdul, Sabri, Mohd Faizul Mohd, Kalam, Md. Abul, Masjuki, Haji Hassan

“…Therefore, material combinations are important for tribological properties and canola oil is an effective lubricant for contacts coated with ta-C DLC films. © 2019 Japan Petroleum Institute. …”

Friction and wear characteristics of Calophyllum inophyllum biodiesel by Habibullah, M., Masjuki, Haji Hassan, Kalam, Md. Abul, Zulkifli, N.W.M., Masum, B.M., Arslan, A., Gulzar, M.

“…A further increase in the concentration of biodiesel (CIB30, CIB50), the extrusion of metal is quite higher than CIB20; and thus, CIB20 showed auspicious lubricating performance and highest possibility to form lubricating film without breaking down. …”

Production optimization and tribological characteristics of cottonseed oil methyl ester by Jamshaid, Muhammad, Masjuki, Haji Hassan, Kalam, Md. Abul, Zulkifli, Nurin Wahidah Mohd, Arslan, Ahmed, Alwi, Azham, Khuong, Leang So, Alabdulkarem, Abdullah, Syahir, A.Z.

“…COME displayed good lubricity with a low coefficient of friction and wear scar diameter. …”