Nondestructive evaluation of PVD/CVD TiN coated WC/Co by acoustic spectro-microscopy

Tatsuhiko Aizawa, Yusuke Tsukahara, Junji Kihara

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

Acoustic spectro-microscopy has been developed and applied to the quantitative nondestructive evaluation of PVD/CVD TiN coated WC/Co cermets. From the measured Rayleigh wave velocity dispersion with frequency, the effect of Co-phase agglomeration in microstructure was evaluated: microstructural change with increase of Co content reflects on the measured acoustic structure. For PVD/CVD TiN coated WC/Co, the Rayleigh wave velocity dispersion curves for various coating thickness were assembled into one master curve which is intrinsic to coating procedure. Direct comparison of measured master curves with predicted dependency of the Rayleigh wave velocity on frequency yields different elastic properties both for PVD and CVD TiN coatings.

本文言語English
ホスト出版物のタイトルAcousto-Optics and Acoustic Microscopy
出版社Publ by ASME
ページ55-70
ページ数16
ISBN(印刷版)0791810755
出版ステータスPublished - 1992
外部発表はい
イベントWinter Annual Meeting of the American Society of Mechanical Engineers - Anaheim, CA, USA
継続期間: 1992 11 81992 11 13

出版物シリーズ

名前American Society of Mechanical Engineers, Applied Mechanics Division, AMD
140
ISSN(印刷版)0160-8835

Other

OtherWinter Annual Meeting of the American Society of Mechanical Engineers
CityAnaheim, CA, USA
Period92/11/892/11/13

ASJC Scopus subject areas

  • 機械工学

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