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On the determination of residual stress and strain fields by sharp indentation testing. Part II: Experimental investigation
KTH, Superseded Departments, Solid Mechanics.ORCID iD: 0000-0001-6232-8819
2001 (English)In: Acta Materialia, ISSN 1359-6454, E-ISSN 1873-2453, Vol. 49, no 12, 2193-2203 p.Article in journal (Refereed) Published
Abstract [en]

An experimental investigation has been carried out in order to study how residual stress and strain fields can be determined by sharp indentation testing. Aiming at a thorough understanding of the influence from general residual surface stress: and strain fields on global indentation parameters, i.e. hardness and contact area, Vickers indentation tests have been performed on specimens first exposed to standard four-point bend (4PB) or single edge notch bend (SEN(B)) loading. The experimental results have been evaluated based on the findings in a parallel theoretical/numerical investigation and are compared with finite element simulations as well as with corresponding results taken from the literature. Good agreement between experiments and numerical results has been found, particularly in a situation with no or little plastic deformation due to preloading.

Place, publisher, year, edition, pages
2001. Vol. 49, no 12, 2193-2203 p.
Keyword [en]
hardness testing, residual stress and strain, non-destructive testing, nanoindentation
URN: urn:nbn:se:kth:diva-20784ISI: 000169811500008OAI: diva2:339481
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Larsson, Per-Lennart
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