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Microstructure and properties of nitrided layer of titanium plate, produced by simultaneous laser quenching and liquid-nitrogen cryogenics
Alternative TitleMicrostructure and properties of nitrided layer of titanium plate, produced by simultaneous laser quenching and liquid-nitrogen cryogenics
Yao QuanTong1; Tian Chen1; Sun Jian2; Zuo Liang3; Tong WeiPing1
2018
Source PublicationSCIENCE CHINA-TECHNOLOGICAL SCIENCES
ISSN1674-7321
Volume61Issue:12Pages:1901-1906
AbstractIn the present study, titanium plate was treated by a novel method of laser quenching, simultaneously combined with liquid-nitrogen cryogenics (LQLNC). The microstructure and properties of the titanium plate after treatment were investigated by X-ray diffraction, scanning electron microscopy, energy dispersive spectrometry, Vickers hardness testing, and friction wear testing. The results show that the treated titanium plate is covered by a nitrided layer with a homogeneous thickness of about 60 m, while the nitrided layer consists of TiN and -Ti phases. Compared to general laser quenching, the LQLNC treatment increases the hardness and wear resistance of the surface-modified layer of the titanium plate. As a result of grain refinement in the nitrided layer, the cracking induced by the rapid solidification of the conventional laser-quenching process has also been effectively solved.
Other AbstractIn the present study, titanium plate was treated by a novel method of laser quenching, simultaneously combined with liquidnitrogen cryogenics (LQLNC). The microstructure and properties of the titanium plate after treatment were investigated by X-ray diffraction, scanning electron microscopy, energy dispersive spectrometry, Vickers hardness testing, and friction wear testing. The results show that the treated titanium plate is covered by a nitrided layer with a homogeneous thickness of about 60 μm, while the nitrided layer consists of TiN and α-Ti phases. Compared to general laser quenching, the LQLNC treatment increases the hardness and wear resistance of the surface-modified layer of the titanium plate. As a result of grain refinement in the nitrided layer, the cracking induced by the rapid solidification of the conventional laser-quenching process has also been effectively solved.
KeywordMECHANICAL-PROPERTIES CORROSION-RESISTANCE COMPOSITE COATINGS ALLOY BIOCOMPATIBILITY STRENGTH BEHAVIOR STEEL laser quenching liquid nitrogen titanium plate hardness wear resistance
Indexed ByCSCD
Language英语
Funding Project[National High Technology Research and Development Program of China] ; [National Natural Science Foundation of China]
CSCD IDCSCD:6408988
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/157160
Collection中国科学院金属研究所
Affiliation1.上海市地震局
2.Hefei Univ Technol, Dept Materials Sci & Engn, Hefei 230009, Anhui, Peoples R China
3.中国科学院金属研究所
Recommended Citation
GB/T 7714
Yao QuanTong,Tian Chen,Sun Jian,et al. Microstructure and properties of nitrided layer of titanium plate, produced by simultaneous laser quenching and liquid-nitrogen cryogenics[J]. SCIENCE CHINA-TECHNOLOGICAL SCIENCES,2018,61(12):1901-1906.
APA Yao QuanTong,Tian Chen,Sun Jian,Zuo Liang,&Tong WeiPing.(2018).Microstructure and properties of nitrided layer of titanium plate, produced by simultaneous laser quenching and liquid-nitrogen cryogenics.SCIENCE CHINA-TECHNOLOGICAL SCIENCES,61(12),1901-1906.
MLA Yao QuanTong,et al."Microstructure and properties of nitrided layer of titanium plate, produced by simultaneous laser quenching and liquid-nitrogen cryogenics".SCIENCE CHINA-TECHNOLOGICAL SCIENCES 61.12(2018):1901-1906.
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