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Contact residual stress relaxation in soda-lime glass Part I. Measurement using nanoindentation
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Ceramics.
2006 (English)In: Journal of the European Ceramic Society, ISSN 0955-2219, Vol. 26, no 6, 1003-1011 p.Article in journal (Refereed) Published
Abstract [en]

The contact residual stress field created by a Vickers indentation is a micro-size region of high and varying stresses. Stress relaxation studies in such a micro-region may not be accessible to the conventional methods of investigation. In this paper the elastic response during nanoindentation has been used to study the isothermal stress relaxation of a Vickers residual stress field in soda-lime glass at 540 and 630 degrees C. At each temperature, the stress relaxation profile varied from one location of the stress field to the other suggesting non-linear response to stress. Also, the relaxation profiles at identical positions were different for the two temperatures suggesting that the Vickers residual stress field is not a thermorheologically simple region of material.

Place, publisher, year, edition, pages
2006. Vol. 26, no 6, 1003-1011 p.
Keyword [en]
nanoindentation, glass, stress relaxation, elastic-modulus, indentation, deformation, temperature, fracture, hardness, fatigue, silica, field
URN: urn:nbn:se:kth:diva-15442DOI: 10.1016/j.jeurceramsoc.2004.12.029ISI: 000235499700021ScopusID: 2-s2.0-30844468157OAI: diva2:333483
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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