1. Applications of sum-frequency generation vibrational spectroscopy in friction interface

   • Zhifeng Liu
   • Mengmeng Liu
   • Junmin Chen

   Review Article Open access 11 February 2021 Pages: 179 - 199

2. Oscillating friction of nanoscale capillary bridge

   • Shuai Wu
   • Yuqing He
   • Ming Ma

   Research Article Open access 08 January 2021 Pages: 200 - 208

3. Superlubricity of molybdenum disulfide subjected to large compressive strains

   • Shengcong Wu
   • Zhisen Meng
   • Zhao Wang

   Research Article Open access 08 January 2021 Pages: 209 - 216

4. New analytical model of elastic-plastic contact for three-dimensional rough surfaces considering interaction of asperities

   • Yuqin Wen
   • Jinyuan Tang
   • Caichao Zhu

   Research Article Open access 08 January 2021 Pages: 217 - 231

5. Gelatin-based composite hydrogels with biomimetic lubrication and sustained drug release

   • Kuan Zhang
   • Jielai Yang
   • Hongyu Zhang

   Research Article Open access 11 January 2021 Pages: 232 - 246

6. Dynamics of lubricated spiral bevel gears under different contact paths

   • Wei Cao
   • Tao He
   • Ke Xiao

   Research Article Open access 24 March 2021 Pages: 247 - 267

7. Probing the nanofriction of non-halogenated phosphonium-based ionic liquid additives in glycol ether oil on titanium surface

   • Xiuhua Qiu
   • Linghong Lu
   • Rong An

   Research Article Open access 30 April 2021 Pages: 268 - 281

8. Mechanical properties of graphene oxide–silk fibroin bionanofilms via nanoindentation experiments and finite element analysis

   • Hyeonho Cho
   • Joonho Lee
   • Sunghan Kim

   Research Article Open access 10 April 2021 Pages: 282 - 295

9. Differences in nano-topography and tribochemistry of ZDDP tribofilms from variations in contact configuration with steel and DLC surfaces

   • Lucija Čoga
   • Somayeh Akbari
   • Mitjan Kalin

   Research Article Open access 10 April 2021 Pages: 296 - 315

10. Multiscale friction model for hot sheet metal forming

    • Jenny Venema
    • Javad Hazrati
    • Ton van den Boogaard

    Research Article Open access 15 June 2021 Pages: 316 - 334