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Xiamen University - Nur Aisya Affrina

Nur Aisya Affrina binti MOHAMED ARIFFIN

Assistant Professor Dr.

Office: A1-343
Email: naisyaa@xmu.edu.my
Research Interests: Sustainable tribology, Protic ionic liquid, Thin-film lubrication, Triboelectric, Numerical modelling

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About Me

I am a researcher specialising in sustainable tribology, focusing on the development of protic ionic liquid-based lubricants for high-performance and environmentally friendly applications. My expertise covers triboelectric lubrication, thin-film lubrication, electro-viscous effects, and numerical modelling using modified Reynolds equations and contact mechanics approaches. I completed my PhD in Mechanical Engineering at Universiti Teknologi Malaysia (UTM) and received the Best Postgraduate Student Award during the UTM 69th Convocation. My research integrates experimental validation and mathematical modelling to advance sustainable lubrication technologies for automotive and energy applications.

  • Doctor of Philosophy in Mechanical Engineering, Universiti Teknologi Malaysia (2021–2025)  
  • Bachelor of Engineering with Honours (Mechanical), Universiti Teknologi Malaysia (2017–2021)
  • Foundation in Engineering, Universiti Teknologi MARA (2016–2017)                                                                 
     

Graduate Engineer, Board of Engineers Malaysia (BEM)

  • Journal Reviewer, Jurnal Mekanikal (2026 – Present)
  • Journal Reviewer, Tribology Letters (2025–Present)
  • Journal Reviewer, Journal of Transport System Engineering (2023–Present)
  • Conference Reviewer, 11th International Conference on Low Carbon Asia (ICLCA2025)
     

Research Interests

My research focuses on sustainable tribology and advanced lubrication technologies, particularly involving protic ionic liquids, bio-based lubricants, and triboelectric lubrication systems for next-generation engineering applications. I integrate experimental tribological characterisation with advanced numerical modelling approaches, including modified Reynolds equations, elastohydrodynamic lubrication (EHL), contact mechanics, rheological modelling, and electro-thermal coupling analyses to better understand lubricant film formation and frictional behaviour under severe operating conditions.

My work aims to develop environmentally friendly and high-performance lubricant systems for electric vehicles and hydrogen-fuelled internal combustion engines, with emphasis on friction reduction, wear mitigation, and lubrication stability. In addition, I am interested in thin-film lubrication, surface engineering, adsorption-controlled boundary lubrication, sustainable lubricant formulation, and the application of green tribology principles to future mobility and energy systems.
 

Research Project(s)

  1. Modelling Lubricant Film Formation Mechanism of Protic Ionic Liquid-based Polytetrafluoroethylene Grease for Electric Vehicles

    • UTM Fundamental Research Grant

    • Graduate Research Assistant (2021–2024)

    • Project Vot No.: Q.J130000.3851.22H02

       

  2. Competitive Adsorption Isotherms of Protic Ionic Liquid and Organic Friction Modifier for Effective Boundary Friction Control under Moisture Attack in Palm Trimethylolpropane Ester

    • Fundamental Research Grant Scheme (FRGS)

    • Graduate Research Assistant (2024–2025)

    • Project Vot No.: R.J130000.7824.5F659

     

  3. Hydrogen Mitigation and Lubricant Additives Design for Hydrogen-Fuelled Internal Combustion Engines

    • Research collaboration involving sustainable lubricant development and hydrogen engine applications

     

  4. Performance and Durability Evaluation of Ethanol-Mixed Fuel Engines

    • Industrial research involvement with Perusahaan Otomobil Kedua Sdn. Bhd. (PERODUA) and Uni-Technologies Sdn. Bhd. (UTSB) 
    • Conducted engine performance and durability assessment for alternative fuel applications

    • Focus on lubrication behaviour, sustainability, and engine reliability

       

Current Courses Taught

  1. Engineering Drawing
  2. Waste and Energy in a Global Perspective
     

Indexed Journal Papers

  1. Nur Aisya Affrina Mohamed Ariffin, Shin Ying Foong, Chiew Tin Lee, William Woei Fong Chong, Su Shiung Lam, Jo-Han Ng, Cheng Tung Chong, Arunkumar Thirugnanasambandam. Hierarchical Surface Energy Alignment in Bio-Oil–Infused Ionic Liquids for Enhanced Lubrication. Fuel, 138134(412), 2026. (WOS: Q1)

  2. Wan Jon Pow, Nur Aisya Affrina Mohamed Ariffin, William Woei Fong Chong, Ng Jo-Han, Viscosity Behaviour of Water-Emulsified Engine Oil for Hydrogen Internal Combustion Engine Applications. Jurnal Tribologi, 47:73-86, 2025. (Indexed: MyJurnal)

  3. Nur Aisya Affrina Mohamed Ariffin, Poy Jiahe, King Jye Wong, Jo-Han Ng, William Woei Fong Chong. Stability and Tribological Performance of Water-Emulsified Engine Oils for Hydrogen-Fuelled Internal Combustion Engines. Lubricants, 13(10), 464, 2025. (WOS: Q2)

  4. Pin Shern Wong, William Woei Fong Chong, Jian Ping Tan, Nur Aisya Affrina Mohamed Ariffin, Chuan Yi Foo, Rubia Idris, Kok Sin Woon, Keng Yinn Wong, Wei Hown Tee, Guo Ren Mong. Microwave‑Assisted Pyrolysis: A Review of Tailored Carbon Materials and Scale‑Up Challenges. Journal of Analytical and Applied Pyrolysis, 192:107241, 2025. (WOS: Q1)

  5. Nur Aisya Affrina Mohamed Ariffin, Chiew Tin Lee, Haris Ahmad Israr Ahmad, and William Woei Fong Chong*. Evaluating triboelectric performance of trimethylolpropane trioleate grease. Jurnal Tribologi, 43:46-56, 2024. (WOS: Q3)

  6. Nur Aisya Affrina Mohamed Ariffin, Chiew Tin Lee, Arunkumar Thirugnanasambandam, King Jye Wong, and William Woei Fong Chong. Triboelectric Performance of Ionic Liquid, Synthetic, and Vegetable Oil-Based Polytetrafluoroethylene (PTFE) Greases. Lubricants, 12(8), 2024. (WOS: Q2)

  7. Nur Aisya Affrina Mohamed Ariffin, Shin Ying Foong, William Woei Fong Chong, Su Shiung Lam, Jo Han Ng, and Hedong Zhang. Ionic liquid lubricity enhancement with bio-oil derived from microwave pyrolysis of bamboo. Industrial Crops and Products, 214, 2024. (WOS: Q1)

  8. Nur Aisya Affrina Mohamed Ariffin, Chiew Tin Lee, Mei Bao Lee, Izzati Halid, Siti Hartini Hamdan, Muhammad Izzal Ismail, William Woei Fong Chong*, and Hedong Zhang. Enhancing boundary friction and wear reduction through adsorption control in protic ionic liquid and carbon mixtures. Journal of Materials Science, 59(3):791-809, 2024. (WOS: Q2)

  9. Nur Aisya Affrina Mohamed Ariffin, Hooi Hwang Ang, Siti Hartini Hamdan, Haris Ahmad Israr Ahmad, and William Woei Fong Chong. Numerical algorithm for elastohydrodynamic lubrication of grease-lubricated contact. Jurnal Tribologi, 35:50-67, 2022. (Indexed: MyJurnal)

 

Non-Indexed Journal Papers

  1. Nur Aisya Affrina Mohamed Ariffin*, Jia Yii Tan, Chiew Tin Lee and William Woei Fong Chong. Effect of Worn Top Compression Ring and Lubricant Degradation Towards Engine In-Cylinder Frictional Losses. Journal of Transport System Engineering, 12(1):16-23, 2025.

  2. Nur Aisya Affrina Mohamed Ariffin*, Sze Yun Yeoh, Siti Hartini Hamdan, and Chiew Tin Lee. Investigating the Influence of Protic Ionic Liquid on the Triboelectrical Properties of Trimethylolpropane Trioleate (TMPO). Journal of Transport System Engineering, 11(2):7-11, 2024.

  3. Nur Aisya Affrina Mohamed Ariffin, and William Woei Fong Chong. Assessing The Tribological Performance of Polyalphaolefin (PAO) Under Electrical Current Conditions. Journal of Transport System Engineering, 11(1):35-40, 2024.

  4. Mei Bao Lee, Pui Yee Hong, Nur Aisya Affrina Mohamed Ariffin, and Chiew Tin Lee. The Tribological Performance of Perfluoropolyether (PFPE)- based Greae Biolubricant: A Bibliometric Analysis. Journal of Transport System Engineering, 10(1):30-38, 2023. 

  5. Nur Aisya Affrina Mohamed Ariffin, Mohammad Aedib Aezim Niza Padillah, Chiew Tin Lee, Mei Bao Lee, Siti Hartini Hamdan, and William Woei Fong Chong. Frictional Properties of Grease Lubricated Contact at Different Operating Regimes of Lubricant. Journal of Transport System Engineering, 10(1):24-29, 2023.

  6. Nur Aisya Affrina Mohamed Ariffin, Pui Yee Hong, Chiew Tin Lee, Mei Bao Lee, Siti Hartini Hamdan, and William Woei Fong Chong. Tribological Performance of Perfluoropolyether (PFPE)-based Grease for Potential Application in Automotive Bearings. Journal of Transport System Engineering, 10(2):60-65, 2023.

 

Conference

  1. Nur Aisya Affrina Mohamed Ariffin, Jiahe Poy, Guo Ren Mong, Keng Yinn Wong, William Woei Fong Chong (2025). Influence of eggshell-derived CaCO3 on the thermal degradation and kinetics of PVC. The Engineer Story 18, 48-52.

  2. Nur Aisya Affrina Mohamed Ariffin, Haris Ahmad Israr Ahmad, William Chong Woei Fong, Ng Jo-Han, Shubarajit Bhaumik, Wong Ken Yinn. Triboelectric Lubrication Model with Joule Heating  for Protic Ionic Liquid-based Grease. Leeds-Lyon Symposium on Tribology (50th Leeds-Lyon), 2025

  3. Nur Aisya Affrina Mohamed Ariffin, William Chong Woei Fong, Ng Jo-Han. Viscosity Behavior of Water-Emulsified Engine Oil for Hydrogen Internal Combustion Engine (H2ICE)  Applications. 6th MYTRIBOS International Symposium, 2025.

  4. Nur Aisya Affrina Mohamed Ariffin, Sze Yun Yeoh, Siti Hartini Hamdan, and Chiew Tin Lee. Investigating the Influence of Protic Ionic Liquid on the Triboelectrical Properties of Trimethylolpropane Trioleate (TMPO). Malaysian International Tribology Conference, 2024

  5. Nur Aisya Affrina Mohamed Ariffin, and William Woei Fong Chong. Assessing The Tribological Performance of Polyalphaolefin (PAO) Under Electrical Current Conditions. Third International Seminar on Aeronautics and Energy 2023 (ISAE ‘23), 2023.

  6. Chiew Tin Lee, Mei Bao Lee, Nur Aisya Affrina Mohamed Ariffin, William Woei Fong Chong. Boundary lubricity of palm methyl ester in the presence of intermediate esters. 24th Cross Straits Symposium on Energy and Environmental Science and Technology (24th CSS-EEST), 2022. (Online)

  7. Nur Aisya Affrina Mohamed Ariffin and William Woei Fong Chong. Predicting Frictional Losses in a Grease-Lubricated Contact. 23rd Cross Straits Symposium on Energy and Environmental Science and Technology ( 23rd CSS-EEST), 2022. (Online)


 

Patent

  1. William Woei Fong Chong and Nur Aisya Affrina Mohamed Ariffin. Frictional Characterization of Protic lonic Liquid-based Lubricant for Electric Vehicles, LY2023J05555, 2023
  2. William Woei Fong Chong, Wong Ken Yinn and Nur Aisya Affrina binti Mohamed Ariffin. Hydrogen Mitigation and Lubricant Additives Design for Hydrogen-Fueled Internal Combustion Engines, LY2025J03138, 2025