ANALYSIS OF SURFACE-LAYER VARIATIONS BY PHOTOTHERMAL MEANS

被引：6

作者：

GOCH, G ^{[1
]}

GEERKENS, J ^{[1
]}

REICK, M ^{[1
]}

SCHMITZ, B ^{[1
]}

机构：

[1] UNIV ULM,BEREICH MESSTECH,MESS REGEL & MIKROTECH ABT,D-89069 ULM,GERMANY

来源：

JOURNAL DE PHYSIQUE IV | 1994年 / 4卷 / C7期

关键词：

D O I：

10.1051/jp4:1994776

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The geometrical and physical properties of the surface and the near-surface layers can be modified by a mechanical or a thermal impact. If these variations are coupled with a modification of the thermal properties, they become detectable by photothermal means. In order to perform some fundamental experiments, we chose the Vickers hardness test as a model for a slight and reproducible mechanical impact. The surroundings near the deformed areas were scanned; the optical beam deflection as well as the radiometric signal were measured and compared with the optical microscopic images.

引用

页码：319 / 322

页数：4

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