Residual Stress and Bond Strength of Bioactive Gradient Coatings Plasma-sprayed

Journal of Inorganic Materials

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Residual Stress and Bond Strength of Bioactive Gradient Coatings Plasma-sprayed

WANG Ying-Jun; NING Cheng-Yun; CHEN Kai; ZHAO Zi-Zhong; LI Shang-Zhou; MA Li-Tai⁺; FENG Jing-Wei⁺; HUANG Rui-Fu⁺

South China University of Technology Guangzhou 510641 China; ⁺Shanghai Institute of Ceramics; Chinese Academy of Sciences Shanghai 200050 China

Received:1997-10-05 Revised:1998-01-19 Published:1998-08-10 Online:1998-08-10

Abstract

Abstract: A material of bioactive gradient coatings was designed. The difference of thermal expansion coefficients between coating and substrate was reduced. The residual stress within the plasmasprayed coatings heat-treated was reduced. The bonding strength of the coatings was measured to be about 38 MPa. The residual stress produced within the coatings was measured by the sin²Ψmethod of XRD, and the influence of residual stress on the bond strength of the coatings was explored.

Key words: bioactive gradient coating, plasma-spray, residual stress, bonding strength

WANG Ying-Jun,NING Cheng-Yun,CHEN Kai,ZHAO Zi-Zhong,LI Shang-Zhou,MA Li-Tai,FENG Jing-Wei,HUANG Rui-Fu. Residual Stress and Bond Strength of Bioactive Gradient Coatings Plasma-sprayed[J]. Journal of Inorganic Materials.

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Residual Stress and Bond Strength of Bioactive Gradient Coatings Plasma-sprayed

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