Adhesion/Cohesion Strength of Plasma Sprayed Ceramic Coatings by Scratch Testing On Cross-Section-Reference-Cited by-同舟云学术

Adhesion/Cohesion Strength of Plasma Sprayed Ceramic Coatings by Scratch Testing On Cross-Section

Published:2013-05-13 Issue: Volume:83737 Page:516-519
ISSN:2768-1505
Container-title:International Thermal Spray Conference
language:
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Author:

Byon Eungsun¹,Lee Soo-Wohn²,Kitamura Junya³,Holmberg Kenneth⁴

Affiliation:

1. Korea Institute of Materials Science , Changwon, Korea

2. Sunmoon University , Asan, Korea

3. Fujimi Incorporated , Kakamigahara, Japan

4. VTT Technical Research Centre of Finland, VTT , Finland

Abstract

Abstract This work investigates the reliability and reproducibility of scratch testing for YSZ and TiO2 coatings deposited on NiCr bondcoats by plasma spraying. Scratch tests were conducted on cross-sections of the spray coatings. An image of the scratched area was taken after testing using an optical microscope in order to determine failure mode. With a statistical evaluation, the adhesion and cohesion strength were determined. The results show that cross-sectional scratch testing is effective for estimating the adhesion and cohesion strength of plasma spray coatings.

Publisher

ASM International

Link

https://dl.asminternational.org/itsc/proceedings-pdf/doi/10.31399/asm.cp.itsc2013p0516/669968/itsc2013p0516.pdf

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