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Preparation and high temperature oxidation resistance of laser deposited Ti5Si3/MoSi2/Mo5Si3 reinforced α-Ti/NiTi composite coatings

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成果类型:
期刊论文
作者:
Liang, Jue;Liu, Xiu-Bo*;Ke, Jin;Luo, Ying-She;Liang, Liang
通讯作者:
Liu, Xiu-Bo
作者机构:
[Liang, Jue; Ke, Jin; Liu, Xiu-Bo; Luo, Ying-She] Cent South Univ Forestry & Technol, Hunan Prov Key Lab Mat Surface Interface Sci & Te, Changsha 410004, Hunan, Peoples R China.
[Liang, Jue; Ke, Jin; Liu, Xiu-Bo; Luo, Ying-She] Cent South Univ Forestry & Technol, Hunan Prov Key Lab Engn Rheol, Changsha 410004, Hunan, Peoples R China.
[Liu, Xiu-Bo] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Gansu, Peoples R China.
[Liang, Liang] Changsha Univ, Coll Mech & Elect Engn, Changsha 410022, Hunan, Peoples R China.
通讯机构:
[Liu, Xiu-Bo] C
Cent South Univ Forestry & Technol, Hunan Prov Key Lab Mat Surface Interface Sci & Te, Changsha 410004, Hunan, Peoples R China.
语种:
英文
关键词:
High temperature protective composite coating;Laser processing;Oxidation mechanism;Titanium alloy
期刊:
Surface and Coatings Technology
ISSN:
0257-8972
年:
2019
卷:
372
页码:
56-64
基金类别:
National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [U1737112, U1533101]; Changsha Municipal Science and Technology Bureau Project [k1705011]; Open Fund of State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences [LSL-1802]
机构署名:
本校为第一且通讯机构
院系归属:
土木工程学院
摘要:
Three kinds of composite coatings with different proportion of preplaced Ni-Mo-Si powders were fabricated on Ti6Al4V alloy by laser depositing to enhance the high temperature oxidation resistance. The microstructures of composite coatings were studied by scanning electron microscopy (SEM), energy dispersive spectrometer (EDS) and X-ray diffraction (XRD). The microhardness of composite coatings was measured by Vickers microhardness tester. The samples of composite coatings and Ti6Al4V alloy underwent isothermal oxidation tests at 800 degrees C, and the oxidation mechanism was analyzed by thermo...

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