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Electro-spark epitaxial deposition of NiCoCrAlYTa alloy on directionally solidified nickel-based superalloy WANG Mao-cai(王茂才)1, WANG Wei-fu(王维夫)1, 2, XIE Yu-jiang(谢玉江)1, ZHANG Jie(张 杰)1 1...; Abstract: An 8 mm-high NiCoCrAlYTa coating was epitaxially built-up on a directionally solidified (DS) Ni-based superalloy blade tip by electro-spark deposition......
, electro-spark deposition was adopted for depositing an electrode of a mixture of 92wt%WC+8wt%Co on a cast steel roll substrate. The coating was characterized by classical X-ray diffractometer (XRD... that of the cast steel roll substrate and the main mechanism is abrasive wear. The maximum microhardness value of the coating is about 1573.9 Hv0.3. The study reveals that the electro-spark deposition......
and Engineering, University of Science and Technology Beijing, Beijing 100083, China摘 要:Electro-spark deposition(ESD) was adopted for preparing high... microhardness value of the coating is about 17410 N/mm2.The study reveals that the electro-spark deposition process has better coating quality and the coating has high wear resistance and hardness.关键词:......
Tribological properties of cobalt-based alloy coating with different cobalt contents by electro-spark depositionQi-Feng Jing1,2,Ye-Fa Tan11. Engineering Institute of Engineering Corps, PLA University of Science & Technology2. Unit 78649 of PLA摘 要:The cobalt-based alloy coating with different Co contents was deposited on 45 steel by electro-spark......
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of Water Resource and Electric Power, Zhengzhou 450011, China)Abstract:The YG8 electrode coating was deposited on surface of 0Cr13Ni5Mo cast steel by electro-spark deposition (ESD). The microstructure... are the main factors leading to the high hardness and wear resistance of the coating.Key words:0Cr13Ni5Mo cast steel; electro-spark deposition (ESD); YG8 coating; microstructure; wear resistance......
厚度大于20 μm,沉积层的平均显微硬度为1803.2 HV,细小弥散分布的硬质相是沉积层硬度提高的主要因素. 关键词:WC-Co硬质合金；电火花沉积；组织结构；界面行为 中图分类号:TG174.445 文献标志码:A Interface behavior of WC-4Co coating by electro-spark deposition... 450011, China) Abstract: Submicron WC-4Co cemented carbide material was deposited on the surface of cast steel by electro-spark deposition (ESD), the electro-spark deposition coating was prepared......
. 表1 沉积工艺的工艺参数 Table 1 Process parameters of electro-spark deposition 1.2 试验方法 采用DPMax2RB型X射线衍射仪分析了沉积层的相组成.采用LEO1450型扫描电镜对沉积层的组织形貌进行了观察,并结合能谱,XRD分析确定沉积层高温氧化后的物相组织.采用HT-600高温摩擦磨损试验机进行高...充放电脉冲数字控制型电火花沉积电源[J]. 焊接学报, 2014, 35(3): 23-26, 70.HAN Hong-biao, LI Xiang-yang. Digital control of capacitance charge-discharge pulse in electro-spark deposition power supply[J]. Transactions......
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