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Evaluation of Material Characteristics by Micro/Nano Indentation Tests

마이크로/나노 압입시험에 의한 재료특성평가

  • Published : 2008.10.01

Abstract

The present work reviews the methods to evaluate elastic-plastic material characteristics by indentation tests. Especially the representative stress and strain values used in some papers are critically analyzed. The values should not only represent the load-depth curve, but also represent the whole of deformed material around the impression. We briefly introduce other indentation techniques to evaluate residual stresses, creep properties, and fracture toughness. We also review some technical problems that are related to the accuracy issues in indentation tests.

Keywords

Indentation;Material Property;Representative Strain;Representative Stress;Residual Stress;Fracture Toughness;Creep Property

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