Ion beam assisted deposition and characterization of Zr-based multilayered coatings

被引：14
|
作者：
Zhang, J. J. [1 ]
Wang, M. X. [1 ]
Yang, J. [1 ]
Li, D. J. [1 ]
机构：
[1] Tianjin Normal Univ, Coll Phys & Elect Informat Sci, Tianjin 300074, Peoples R China
来源：
SURFACE & COATINGS TECHNOLOGY | 2007年 / 201卷 / 15期
基金：
中国国家自然科学基金;
关键词：
IBAD; ZrN/W; multilayered coating; superlattice;
D O I：
10.1016/j.surfcoat.2006.09.031
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
ZrN/W multilayered coatings with different nanoscale modulation periods have been synthesized at different deposition time using ion beam assisted deposition. XRD, AES, Nanoindenter and profiler were employed to investigate the influence of modulation period on microstructure and mechanical properties of the coatings. The results showed that all superlattice coatings almost revealed higher mechanical property than the monolithic ZrN and W coatings. At modulation period of 8.6 nm, XRD pattern showed a significant mixture of strong ZrN (I 11), W (110), as well as weak ZrN (220) textures. It possessed the highest hardness (similar to 26 GPa), elastic modulus (similar to 310 GPa), and fracture resistance (similar to 80 mN), compared with the ones with other modulation period. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：6812 / 6815
页数：4
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