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Kim, Young-Cheon
Robust Multifunctional Materials Lab
Research Interests
  • Effect of Material Characteristic Lengths on Mechanical Behavior of Metals

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Effect of contact angle on contact morphology and Vickers hardness measurement in instrumented indentation testing

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Title
Effect of contact angle on contact morphology and Vickers hardness measurement in instrumented indentation testing
Author
Kang, Seung-KyunKim, Young-CheonLee, Jin-WooKwon, DongilKim, Ju-Young
Issue Date
2014-08
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, v.85, pp.104 - 109
Abstract
We derive a general contact-depth function for the Vickers indenter by modifying a scaling relation between yield strain and indentation depth ratio, which is comprised of indenter angle, plastic constraint factor, and indentation depth ratio. The validity of this function is demonstrated by using various indenters of different angles. A method for calibrating the actual contact area of an imperfectly shaped Vickers indenter is suggested that yields a better evaluation of Vickers hardness in the instrumented indentation test.
URI
https://scholarworks.unist.ac.kr/handle/201301/5101
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84902198555
DOI
10.1016/j.ijmecsci.2014.05.002
ISSN
0020-7403
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MSE_Journal Papers
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