Determination of plastic yield stress from spherical indentation slope curve

Yan, Wenyi, Sun, Qingping and Hodgson, Peter D. 2008, Determination of plastic yield stress from spherical indentation slope curve, Materials letters, vol. 62, no. 15, pp. 2260-2262, doi: 10.1016/j.matlet.2007.11.062.

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Title Determination of plastic yield stress from spherical indentation slope curve
Author(s) Yan, Wenyi
Sun, Qingping
Hodgson, Peter D.
Journal name Materials letters
Volume number 62
Issue number 15
Start page 2260
End page 2262
Total pages 3
Publisher Elsevier BV
Place of publication Amsterdam, The Netherlands
Publication date 2008-05-31
ISSN 0167-577X
Keyword(s) characterization methods
mechanical properties
metals and alloys
Summary The indentation slope curve from a spherical indentation on elastic-plastic materials is examined. By comparing it with that of an linear elastic material of the same elastic properties, we found that the start point of plastic yielding for an elastic-plastic material can be easily located from the indentation slope curve. Based on this analysis, a simple but effective method is proposed to measure the plastic yield stress of very small samples from a spherical nano-indentation slope curve.
Language eng
DOI 10.1016/j.matlet.2007.11.062
Field of Research 091202 Composite and Hybrid Materials
Socio Economic Objective 870399 Construction Materials Performance and Processes not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2008
Copyright notice ©2007, Elsevier Inc
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Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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