| Friction, wear and N2-lubrication of carbon nitride coatings: a review K Kato, N Umehara, K Adachi Wear 254 (11), 1062-1069, 2003 | 194 | 2003 |
| Ultra-low friction of tetrahedral amorphous diamond-like carbon (ta-C DLC) under boundary lubrication in poly alpha-olefin (PAO) with additives HA Tasdemir, M Wakayama, T Tokoroyama, H Kousaka, N Umehara, ... Tribology International 65, 286-294, 2013 | 136 | 2013 |
| Selection and verification of kenaf fibres as an alternative friction material using Weighted Decision Matrix method MFB Abdollah, FF Shuhimi, N Ismail, H Amiruddin, N Umehara Materials & Design 67, 577-582, 2015 | 125 | 2015 |
| The effect of surface roughness on friction of ceramics sliding in water HC Wong, N Umehara, K Kato Wear 218 (2), 237-243, 1998 | 101 | 1998 |
| Wear behaviour of tetrahedral amorphous diamond-like carbon (ta-C DLC) in additive containing lubricants HA Tasdemir, M Wakayama, T Tokoroyama, H Kousaka, N Umehara, ... Wear 307 (1-2), 1-9, 2013 | 95 | 2013 |
| A new apparatus for finishing large size/large batch silicon nitride (Si3N4) balls for hybrid bearing applications by magnetic float polishing (MFP) N Umehara, T Kirtane, R Gerlick, VK Jain, R Komanduri International Journal of Machine Tools and Manufacture 46 (2), 151-169, 2006 | 94 | 2006 |
| Tribological behavior of tetrahedral amorphous carbon (ta-C) coatings at elevated temperatures X Deng, H Kousaka, T Tokoroyama, N Umehara Tribology international 75, 98-103, 2014 | 89 | 2014 |
| The effect of oil temperature and additive concentration on the wear of non-hydrogenated DLC coating HA Tasdemir, M Wakayama, T Tokoroyama, H Kousaka, N Umehara, ... Tribology International 77, 65-71, 2014 | 87 | 2014 |
| Magnetic fluid grinding–a new technique for finishing advanced ceramics N Umehara, S Kalpakjian CIRP annals 43 (1), 185-188, 1994 | 81 | 1994 |
| Metal matrix nanocomposites in tribology: Manufacturing, performance, and mechanisms S Pan, K Jin, T Wang, Z Zhang, L Zheng, N Umehara Friction, 1-39, 2022 | 79 | 2022 |
| Engineering surface and development of a new DNA micro array chip M Yoshino, T Matsumura, N Umehara, Y Akagami, S Aravindan, T Ohno Wear 260 (3), 274-286, 2006 | 78 | 2006 |
| Effect of nitrogen atoms desorption on the friction of the CNx coating against Si3N4 ball in nitrogen gas T Tokoroyama, M Goto, N Umehara, T Nakamura, F Honda Tribology letters 22, 215-220, 2006 | 75 | 2006 |
| Frictional characteristics of ceramics under water‐lubricated conditions HC Wong, N Umehara, K Kato Tribology letters 5, 303-308, 1998 | 74 | 1998 |
| Nanoindentation and FEM study of the effect of internal stress on micro/nano mechanical property of thin CNx films M Bai, K Kato, N Umehara, Y Miyake Thin Solid Films 377, 138-147, 2000 | 67 | 2000 |
| Effect of mesh structure of tetrahedral amorphous carbon (ta-C) coating on friction and wear properties under base-oil lubrication condition MMB Mustafa, N Umehara, T Tokoroyama, M Murashima, A Shibata, ... Tribology International 147, 105557, 2020 | 66 | 2020 |
| Principles of magnetic fluid grinding of ceramic balls N Umehara Appl. Electromagnetics in Materials 1, 37-43, 1990 | 65 | 1990 |
| Deformation–wear transition map of DLC coating under cyclic impact loading MFB Abdollah, Y Yamaguchi, T Akao, N Inayoshi, N Miyamoto, ... Wear 274, 435-441, 2012 | 64 | 2012 |
| Magnetic fluid grinding of HIP-Si3N4 rollers N Umehara, R Komanduri Wear 192 (1-2), 85-93, 1996 | 63 | 1996 |
| Tribological properties of self-lubricating CMC/Al2O3 pairs at high temperature in air Y Jin, K Kato, N Umehara Tribology Letters 4, 243-250, 1998 | 60 | 1998 |
| Hydrodynamic lubrication theory considering electric double layer for very thin water film lubrication of ceramics B Zhang, N Umehara JSME International Journal Series C Mechanical Systems, Machine Elements and …, 1998 | 59 | 1998 |
