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Effect of Ni Content on High-Temperature Oxidation Resistance of TiN-Ni Cermets
Duan, H; Mo, HL; Qiu, RS; Chen, X; Liu, Y
2020-02-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Issue2Pages:595
SubtypeArticle
AbstractThree kinds of TiN-Ni cermets containing Ni of 30 vol%, 50 vol% and 70 vol% were prepared by hot pressing sintering method. The continuous oxidation behavior of TiN-Ni cermets at 800 degrees C in static air was studied. The results show that there is no chemical reaction between the TiN phase and the Ni phase during the sintering process, and the adjustment of Ni content contributes to the densification of sintering. The relative density of TiN/70Ni is the highest, up to 99.6%, which helps to strengthen its high temperature oxidation resistance. Scanning electron microscopy (SEM), energy spectrum analysis (EDS) and X-ray diffraction (XRD) were used to study the mechanism of high temperature oxidation of TiN-Ni composites. The oxidation process is divided into rapid oxidation stage and slow oxidation stage, in which the external diffusion of metal ions and internal diffusion of oxygen ions occur.
WOS KeywordMICROSTRUCTURE
Language中文
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28323
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Duan, H,Mo, HL,Qiu, RS,et al. Effect of Ni Content on High-Temperature Oxidation Resistance of TiN-Ni Cermets[J]. RARE METAL MATERIALS AND ENGINEERING,2020(2):595.
APA Duan, H,Mo, HL,Qiu, RS,Chen, X,&Liu, Y.(2020).Effect of Ni Content on High-Temperature Oxidation Resistance of TiN-Ni Cermets.RARE METAL MATERIALS AND ENGINEERING(2),595.
MLA Duan, H,et al."Effect of Ni Content on High-Temperature Oxidation Resistance of TiN-Ni Cermets".RARE METAL MATERIALS AND ENGINEERING .2(2020):595.
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