Study on the structure, mechanical properties and oxidation resistance of CrAlSiN/CrAlBN multilayer

被引：1
|
作者：
Du, Jian W. [1 ]
Li, Kai Q. [1 ]
Hu, Chun [1 ]
Chen, Li [1 ,2 ]
Wang, Jian C. [1 ]
机构：
[1] Cent South Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China
[2] Zhuzhou Cemented Carbide Cutting Tools Co Ltd, Zhuzhou 412007, Hunan, Peoples R China
来源：
SURFACE & COATINGS TECHNOLOGY | 2024年 / 492卷
关键词：
CrAlSiN/CrAlBN coating; TEM; Interface structure; Mechanical properties; Oxidation resistance; CR-AL-N; THERMAL-PROPERTIES; SI-N; ELASTIC-MODULUS; COATINGS; CRALN; MICROSTRUCTURE; BEHAVIORS; STABILITY; FILMS;
D O I：
10.1016/j.surfcoat.2024.131232
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Construction of multilayer architecture has emerged as an effective approach for tailoring the comprehensive properties of coatings. Here, the structure, mechanical properties and oxidation resistance of CrAlSiN/CrAlBN multilayer were investigated in detail. An epitaxial growth is observed between CrAlBN and CrAlSiN sublayers, where the CrAlSiN/CrAlBN multilayer reveals a face-centered cubic structure. Interfacial strengthening effect enhances the hardness to 37.1 GPa of CrAlSiN/CrAlBN in contrast to the 36.4 GPa of CrAlBN and 33.4 GPa of CrAlSiN monolayers. The oxidation resistance of the CrAlSiN/CrAlBN multilayer lies between CrAlBN and CrAlSiN monolayers. Following oxidation at 1100 degrees C for 15 h, the oxide layer thickness of CrAlBN, CrAlSiN and CrAlSiN/CrAlBN coatings are 1.5 mu m, 0.8 mu m and 1.1 mu m, respectively.
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页数：8
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