Strain-hardening and residual stress effects in plastic zones around indentations
2003 (English)In: Materials Science & Engineering: A, ISSN 0921-5093, Vol. 340, no 02-jan, 193-203 p.Article in journal (Refereed) Published
Plastic zones were revealed by polishing away Vickers indentations made in soda-lime glass, WC-11% Co, W and 7075 Al. Micro and nanohardness traces were used to explore the local mechanical response. The hardness value within the deformed zone increased up to 21% depending on the material. Soda-lime glass was the only material not to show a hardening effect, in fact it showed a small decrease in hardness. Finite element calculations were used to qualitatively determine the influence from residual stresses at indentation of soda-lime glass. The results are discussed in the context of the influence from work-hardening and residual stresses on indentation quantities.
Place, publisher, year, edition, pages
2003. Vol. 340, no 02-jan, 193-203 p.
hardness testing, mechanical properties, residual stress and strain, mechanical-properties, sharp indentation, elastic-modulus, deformation, nanoindentation, aluminum, ceramics, glass, temperature, fracture
IdentifiersURN: urn:nbn:se:kth:diva-22050ISI: 000179261900021OAI: oai:DiVA.org:kth-22050DiVA: diva2:340748
QC 201005252010-08-102010-08-10Bibliographically approved