ADHESION AND X-RAY ELASTIC-CONSTANT EVALUATION OF CRN COATING

被引：30

作者：

ATTAR, F ^{[1
]}

JOHANNESSON, T ^{[1
]}

机构：

[1] LUND UNIV,DIV ENGN MAT,S-22100 LUND,SWEDEN

来源：

THIN SOLID FILMS | 1995年 / 258卷 / 1-2期

关键词：

ADHESION; COATINGS; PHYSICAL VAPOR DEPOSITION; X-RAY DIFFRACTION;

D O I：

10.1016/0040-6090(94)06373-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The four-point bending test was used to study the adhesion of CrN coatings on tool steel, and to determine the X-ray elastic constants (XECs) for (311) and (200) crystallographic reflections of such (220)-textured coating. The coating was found to have a nano-microstructure with anisotropic elastic properties. The compressive residual stress in the coating was measured to be high. Plastic deformation in the substrate tool steel with the four-point bending test did not cause flaking of the coating, but can cause tensile transverse cracking when the compressive residual stress is relaxed. A comparison was made between the macroscopic Young' modulus values obtained from the XECs of the (hkl) planes examined at orientation factors (3 Gamma) of zero, 0.471 and 0.6. These macroscopic values were found to be close to the XEC value of the (311) reflection.

引用

页码：205 / 212

页数：8

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