Determination of Elastic Constants in WC/Co Metal Matrix Composites by Resonant Ultrasound Spectroscopy (RUS) and Impulse Excitation

Elastic moduli were determined by impulse excitation and resonant ultrasound spectroscopy (RUS) techniques for composite systems of WC/Co. Two types of composites were used, including a novel microstructure termed “double cemented carbides” consisting of WC/Co granules in a Co matrix, as well as a c...

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Vydáno v:Advanced engineering materials Ročník 4; číslo 1-2; s. 37 - 42
Hlavní autoři: Koopman, M., Chawla, K.K., Coffin, C., Patterson, B.R., Deng, X., Patel, B.V., Fang, Z., Lockwood, G.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Weinheim WILEY-VCH Verlag Gmbh 01.01.2002
WILEY‐VCH Verlag Gmbh
Wiley-VCH
Témata:
Applied sciences
Elasticity
Exact sciences and technology
Metal Matrix Composites
Metals. Metallurgy
Powder metallurgy. Composite materials
Production techniques
Sintered metals and alloys. Pseudo alloys. Cermets
Structure-property relationships
Elastic constant
Tungsten carbide
Spectrometry
Mechanical properties
Cemented carbides
Microstructure
Cobalt
Ultrasound
Composite material
ISSN:1438-1656, 1527-2648
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Popis
Shrnutí:Elastic moduli were determined by impulse excitation and resonant ultrasound spectroscopy (RUS) techniques for composite systems of WC/Co. Two types of composites were used, including a novel microstructure termed “double cemented carbides” consisting of WC/Co granules in a Co matrix, as well as a conventional isotropic WC/Co. The results compared favorably with theoretical values predicted by the bounds of the Hashin‐Shtrikman equations for quasi‐isotropic materials. Various aspects of the RUS and impulse excitation techniques are discussed, particularly in regard to composite materials.
Bibliografie:ark:/67375/WNG-BWXMN1SX-G
istex:426E8C11B69B5596F5EC7F2314B21E00D7E480D8
ArticleID:ADEM37
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1438-1656
1527-2648
DOI:10.1002/1527-2648(20020212)4:1/2<37::AID-ADEM37>3.0.CO;2-N