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EVALUATIONS OF INTERFACE BOND STRENGTH BETWEEN THERMAL SPRAYED COATINGS AND SUBSTRATS

L.Li 1) , Z. P.Wang. 2) , Z.K.Qu 1) , D.M.Jia 3) and Z.Jiang 4) 1) Mechanical Engineering College , Shenyang University , Shengyang 110044 , China 2) Harbin Research Institute of Welding , Harbin 150080 , China 3) Information Engineering Collage , Shenyang University , Shengyang 110044 , China 4) Materials Engineering College , University of Science and Technology Beijing , Beijing 100083 , China

金属学报(英文版)

A novel test method of measuring the interface bond strength between a thermal sprayed coating and substrate is put forward first in this paper. The test method is simple and reliable, and exists no any inherent shortcoming and controversy. The interface bond strength obtained by the test method is completely the inherent property of the interface and depends only on coating material properties, spray conditions, and technique of depositing the coating. By extensive tests, it is shown that the test tesults are very tepeatable and reliable. Furthermore, from this test, the critical coating thickness under which the coating spall can not emerge is also obtained.

关键词: coating , null , null , null

STUDY OF THE INJURY OF THE Ar+ INJECTION Si LAYER BY THE USE OF XRD AND ELLIPSOMETER

G.Q.Wang , F.F.Jiang and X.N.Wang Basic Lessons Department , Shengyang University , Shengyang 110044 , China

金属学报(英文版)

The Ar+ injection layer into silicon can be described as inhomogeneous absorption medium wafer. The distribution of the stress, strain, strain energy in the injury layer has been studied utilizing XRD. And the average ellipsometer is used here to investigate the optical constant and degree of injury of the ion injection injury wafer.

关键词: XRD , null , null , null

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