Deformation of sapphire induced by a spherical indentation on the (101̄0) plane

R. Nowak, T. Sekino, S. Maruno, K. Niihara

研究成果: Article査読

3 被引用数 (Scopus)

抄録

This work clarifies the origin of the characteristic discontinuities registered during the deformation of the (101̄0) plane of sapphire, by means of depth sensing indentation experiments with a spherical indenter. The sudden increase of the plasticity of the crystal was found to be caused by a twinning process. The calculation and analysis of the distribution of resolved shear stresses under a spherical indenter predicted the features of the surface deformation. The high resolution microscopic examination of the residual impressions confirmed the theoretical prediction.

本文言語English
ページ数1
ジャーナルApplied Physics Letters
出版ステータスPublished - 1995 12 1

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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