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The effect of annealing on the photoacoustic and photothermal response of Al2O3-SiC-TiC ceramics with internal stresses

被引：0
|
作者：
K. L. Muratikov
A. L. Glazov
V. I. Nikolaev
D. N. Rose
D. E. Dumar
机构：
[1] Russian Academy of Sciences,Ioffe Physicotechnical Institute
来源：
Technical Physics Letters | 2001年 / 27卷
关键词：
Microscopy; Stress Distribution; Scanning Laser; Internal Stress; Annealing Time;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The Vickers indentation zones in Al2O3-SiC-TiC ceramics were studied by scanning laser photo-deflection and photoacoustic microscopy. The method of photoacoustic microscopy with piezoelectric detector (PAMPD) is sensitive to the internal stress distribution in the material. The effect of annealing on the PAMPD signal of the Al2O3-SiC-TiC ceramics was studied. An increase in the annealing time is accompanied by decrease in the PAMPD response from the vertices of radial cracks.
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页码：500 / 503
页数：3
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