질화규소 이층 층상재료에서 코팅층의 파괴에 관한 연구 : I. Elastic/Plastic Mismatch의 영향A study on the Coating Fracture in Silicon Nitride Bilayer : I. Effect of Elastic/Plastic Mismatch

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Effect of elastic/plastic mismatch on the fracture of Si3N4 coating in Si3N4/Si3N4 -BN bilayer was investigated by Hertzian indentation testing. A different amount of mismatch between two layers was induced by different BN addition in the substrate layer, and Hertizian cracks were induced by using WC ball indenter. As a result, as the elastic/plastic mismatch between coating and substrate layer increased, the coating fracture easily occurred. A bending stress induced by different elastic/plastic mismatch was main reason to cause the fracture of coating.
Publisher
한국세라믹학회
Issue Date
1997-12
Language
Korean
Citation

요업학회지, v.34, no.12, pp.1268 - 1274

ISSN
1229-7801
URI
http://hdl.handle.net/10203/69354
Appears in Collection
MS-Journal Papers(저널논문)
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