共搜索到11777条信息,每页显示10条信息,共1178页。用时:0小时0分0秒515毫秒
and rare-earth/MoSi2 composite have excellent wear resistance. When load is in the range of 80~120 N, the wear rate of RE/MoSi2 composite is lower than that of MoSi2 material by about 65%. The main...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......
Impurity Effect on Wear Resistance of Ultrafine-Grained CopperBin Yao,Zhong Han and Ke Lu Shenyang National Laboratory for Materials Science,Institute of Metal Research,Chinese Academy of Sciences...-grained(CG) Cu.The UFG Cu samples,prepared by means of plastic deformation via quasistatic compression,exhibit an enhanced wear resistance relative to the CG Cu samples.For both the UFG and the CG Cu......
is running, the variable wear of the components of the drum and some recommendations of increase in abrasive resistance of the drum. These approaches alleviate the wear of the drum to some degree [2-5...J. Cent. South Univ. Technol. (2011) 18: 1808-1812 DOI: 10.1007/s11771-011-0906-0 Establishment of wear model and life prediction of drum of hot rolling coiler ZHANG Jian(章健)1, 2, PENG Yan(彭艳)1, 2......
, Beijing, 100022) 摘要:A coating with high hardness, wear and oxidation resistance was prepared by electric arc spray. The hardness,bonding strength, abrasive wear and values of porosity and oxidation... that of 45CT, but the abrasive wear of the coating was obvious better than that of 45CT. 关键词:high hardness, wear resistance, high temperature oxidation resistance; coating; arc spray; [全文内容正在添加中] ......
to increase the wear resistance. The phase and microstructure of the coatings were analyzed by X-ray diffractometry and transmission electron microscopy. The wear properties of the coatings were also... steel substrate. Key words: amorphization; laser cladding; wear resistance  ......
on the interface between the Ni-Pb monotectic alloy and steel ball restricts metal-metal contact, and hence the resistance to wear and friction is improved. 3.2 Surface morphology and wear mechanism...Tribological property and wear mechanism of undercooled Ni-Pb monotectic alloys XIE Hui(谢 辉)1, YANG Gen-cang(杨根仓)1, HAO Wei-xin(郝维新)1, LA Pei-qing(喇培清)2, LIU Wei-min(刘维民)2, XU Li-jun(许丽君)1......
Wear Resistance of TiNx/CFy Coatings Deposited by RF Magnetron Co-SputteringLin Zhu1,2,Jinwu Wang1,Zhuang Liu21. College of Engineering,Northeast Agricultural University2. School of Light Industry... of crack formation.XPS results demonstrate the existence of a Ti-(C N) chemical bond in the composite coatings,which improves the wear resistance of the coatings.It is indicated that the wear resistance......
in morphology and the distribution of the eutectic carbide network. Key words:metal materials; wear resistance of white cast iron; impact fatigue property; rare earths; [全文内容正在添加中] ...Effect of RE Modification and Heat Treatment on Impact Fatigue Property of a Wear Resistant White Cast Iron 常立民1,刘建华2,王继东1,张瑞军2 (1.Analysis and Measure Center,Jilin Normal University,Siping......
......
Effect of porosity on wear resistance of SiCp/Cu composites prepared by pressureless infiltration ZHANG Lin(章 林), QU Xuan-hui(曲选辉), DUAN Bo-hua(段柏华), HE Xin-bo(何新波), QIN Ming-li.... The composite containing low porosity shows excellent wear resistance, which is attributed to the presence of mechanically mixed layer on the worn surface. In this case, the dominant wear mechanism is oxidative......