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http://dx.doi.org/10.5228/KSPP.2003.12.4.328

Evaluation of Flow Stress using Geometric Conditions of Ball Indentation Tests  

이병섭 (한국원자력연구소 원자력재료기술개발부)
이호진 (한국원자력연구소 원자력재료기술개발부)
이봉상 (한국원자력연구소 원자력재료기술개발부)
Publication Information
Transactions of Materials Processing / v.12, no.4, 2003 , pp. 328-333 More about this Journal
Abstract
Ball indentation tests have been used to estimate the mechanical properties of materials by several investigators. In this study, load-depth curves from ball indentation tests were analyzed using the geometric conditions of the contact between ball and specimen. A series of numerical calculations and experimental results showed that the contact load-depth curves could be simplified by linear functions. Once we obtained the contact indentation depth from linearizing the experimental indentation curves, the estimation process of the flow properties became straight-forward and the scatter of results could be drastically reduced.
Keywords
Indentation Test; Evaluation of Flow Stress; Non-Destructive Test; Automated Ball Indentation; Indentation Load-Depth Curve; Work-Hardening Exponent;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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