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parts become increasingly urgent with the rapid development of mechanical equipments. The preparation of anti-wear alloy coatings on the surfaces of machine parts by surface engineering technology..., the hard phase particles, such as SiC, Al2O3, WC and TiB2, are widely used to reinforce the anti-wear alloy coatings. For example, the SiC particles reinforced Ni-based alloy coatings prepared by laser......
is to employ Cr to react with carbon in steel substrate, resulting in high hardness Cr-C phase such as Cr23C6. It is expected that the depth of Cr-C layer is large enough to improve the anti-wear... state from boundary to hydrodynamic regime and the double glow plasma surface alloying technology for enhancing the anti-wear ability of sliding surfaces, further improvements in tribological......
] CHEN Shuang, LIU Wei-min. Characterization and anti-wear ability of non-coated ZnS nanoparticles and DDP-coated ZnS nanoparticles [J]. Materials Research Bulletin, 2001, 36(1-2): 137-143. [4... Guang-bin, ZHANG Zhi-jun, ZHANG Ping-yu. Friction reducing anti-wear and self-repairing properties of nano-Cu additive in lubricating oil [J]. Journal of Mechanical Engineering, 2010, 46(5): 74-79......
, the effective method to solve this problem is to prepare surface coatings that have excellent anti-friction and anti-wear properties on the surface of machine parts by surface technology [1]. Ni-base alloy has excellent properties of anti-wear and corrosion resistance, it is widely used in surface engineering to strengthen friction parts of machinery [2,3]. However, the pure Ni-base alloy coating......
accelerate the aging speed and refine the microstructure. 3.5 Anti-wear performance 3.5.1 Anti-wear performance of nitrided specimen The wear rate of 30% deformed specimen after varying nitriding time... nitrided specimen is abrasive wear. Fig. 13 Wear rate of 30% deformed specimen with varying nitriding time Fig. 14 Friction coefficient of 30% deformed specimen 3.5.2 Anti-wear effect of nitriding......
; friction; wear 1 Introduction The parts used in metallurgical and construction machinery usually suffer from severe friction and wear, the anti-wear alloy coatings are widely applied to improving their wear resistance and prolong their sevice lives [1,2]. However, the values of friciton coefficients of the anti-wear alloy coatings are usually high, thus leading to high energy consumption [3,4......
reduction and anti-wear properties of lubricants can also be enhanced by the addition of GNs [10-13]. However, the complex preparation process of GNs prohibited its commercial application [14]. Among...) at 600 nm. 2.3.2 Tribological tests The standard four-ball friction test (MRS-10A, Jinan Yihua Tribological Testing Technology Co. Ltd., China) was used to determine the friction-reduction and anti-wear......
films for anti-wear and anti-corrosion applications [3-7]. However, friction coefficient in the range of 0.45-0.7 is observed for the Ni-P films sliding against different counterface materials under dry conditions. MA et al [8] reported that electrodeposited Co-rich Ni-Co alloy films exhibited low friction coefficient and improved anti-wear property. It is expected that the incorporation of Co......
corrosion due to the formation of a protective and compact Mg carbonate film. 3.3 Erosion corrosion property of MAO coating The magnitude of worn scar diameter can characterize the anti-wear..., and are the smallest in solution Ⅱ. This indicates that MgCO3 film formed in HCO3- containing solutions can be helpful to resisting micro- wear. However, the anti-wear property is not superior in higher hydrogen......
, electroforming and anti-wear applications [1-5]. Ni-Co electrodeposits due to higher toughness, strength and wear resistance are good replacement for conventional Ni deposits [6,7]. These improved properties... resulted from organic grain refiner especially at high temperatures [6,7,9]. In this case, improving mechanical behavior makes the Ni-Co coatings applicable in anti-wear coatings and microsystems [10......
