On the relationship between the length of Palmqvist cracks and residual surface stresses in WC-Co
β Scribed by S.B. Luyckx; G. Vekinis
- Publisher
- Elsevier Science
- Year
- 1986
- Weight
- 149 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0308-9126
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## Abstract Cutting tools made of cemented carbide (WC/Co) are coated by chemical vapor deposition with Al~2~O~3~ and TiC~1βx~N~x~ (xβ=β0 β¦ 1) or combinations of these materials to improve wear resistance. Due to the high deposition temperatureβ>β800βΒ°C and the differences in the thermal expansion
It is essential to analyze the residual stresses of thick coatings since they seriously affect coatings' performance during their service. It is also important to understand the mechanisms by which the stresses arise, to predict and control the stresses for improving coating properties. Because the