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Microstructure and Tribological Behavior of Self-lubricating(Si:N)-DLC/MAO Coatings on AZ80 Magnesium SubstrateWei YANG1,2,Zhennan DENG3,Dong ZHANG2,Peiling KE2,Aiying WANG21. School of Materials... showed an increasing critical load compared with the pure DLC directly deposited on the Mg alloy substrate.As a result,the(Si:N)-DLC/MAO coating exhibited an advanced wear protection for the substrate......
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the substrate. Dry sliding wear tests for the MAO coatings and AZ91 alloy were also carried out using an oscillating friction and wear tester in a ball-on-disc contact configuration. The wear resistance... of MAO coatings on AZ91 alloy under 9 mN 3.3 Friction and wear behaviors Fig.5 shows the relation between the friction coefficient and sliding time for the MAO coatings against 100Cr6 steel ball under......
possesses the low wear rate because of the stabilized COF, and the self-lubricating effects of incorporated RGO. Similarly, SENEL et al [21] observed around 200% increment in Vickers hardness and 155... fabricated composite. The recrystallization temperature of alloy generally lies in the range 0.4Tm to 0.5Tm (where Tm is the melting temperature). For aluminium this range exists between 264 and 330 °C......
Dry Friction and Wear Characteristics of Rare-Earth/MoSi2 Composite 龙春光1,张厚安1,陈平1,刘心宇3 (1.Institute of Material Surface Engineering, Xiangtan Polytechnic University, Xiangtan 411201, China;2.School of Materials Science and Engineering, Center South University, Changsha 410083, China;3.Guilin Institute of Electric Technology, Guilin 541004, China) Abstract:The dry friction and wear......
substrate. The main wear mechanisms of the coatings are micro-cutting wear accompanied by multi-plastic deformation wear. Key words: titanium alloy; TiN coating; electrospark deposition; friction and wear 1... Optical (a-c) and SEM (d-f) images of scratches after scratch testing on TiN coatings deposited at different nitrogen fluxes 3.3 Tribological properties of coatings The friction and wear results......
melting point Al and the high melting point Cu were first alternatively charged into the furnace. Subsequently, trace elements, such as Co, Ni, Fe and Mn were uniformly inserted into the gaps between... FeCl3 and 20 mL HCl dissolved in 100 mL distilled-water. A column-on-block RFT-III friction-meter was employed to measure the friction coefficient of the alloy under a boundary lubricating condition......
of the Cu-15Ni-8Sn alloy. Table 1 Composition of Cu-Ni-Sn alloy Table 2 Physical and mechanical properties of Cu-15Ni-8Sn alloy 2.2 Friction and wear tests Prior to wear tests, test blocks were cut.... The volume of lubricating oil in each friction test was fixed to 50 mL. All tests were carried out at room temperature in air. These wear test blocks of Cu-15Ni-8Sn alloy were sliding against a stationary......
, thermal soften and melting. The superior wear resistance of magnesium alloy was attributed to the thermal stability of intermetallic compounds. ABDEL-WAHAB [7] studied the dry sliding wear behavior... deformation and melting wear for the severe wear. AN et al [6] identified five wear mechanisms for AZ91D alloy: abrasion, oxidation, delamination, thermal softening and melting. HUANG et al [9] studied......