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On the temperature in dynamic crack surface ligaments
Luleå tekniska universitet.
Luleå tekniska universitet.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
1996 (English)In: Mechanisms and mechanics of damage and failure: proceedings of the 11th Biennial European Conference on Fracture - ECF 11 - held in Poitiers Futuroscope, France, 3 - 6 September 1996, EMAS , 1996, Vol. Vol. 1, p. 627-632Conference paper, Published paper (Refereed)
Abstract [en]

Small ligaments connecting the crack surfaces just behind the moving crack front are assumed to exist during fast cleavage crack growth. The production and conduction of heat during the process of tearing these ligaments are studied. The straining is computed by assuming an elastic visco-plastic material model. The produced heat during plastic work is calculated. Heat conduction is considered. The results reveal that the temperature increases several hundred centigrades for a low yield stress. For a high yield stress the temperature increases to > 1000 deg C. The appropriateness of the selected constitutive relationship is discussed in view of the result (for structural steels).

Place, publisher, year, edition, pages
EMAS , 1996. Vol. Vol. 1, p. 627-632
National Category
Applied Mechanics
Research subject
Solid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-33246Local ID: 80c7ff50-fa2b-11db-b2dd-000ea68e967bISBN: 0-947817-90-5 (print)OAI: oai:DiVA.org:ltu-33246DiVA, id: diva2:1006483
Conference
Biennial European Conference on Fracture (ECF) : 03/09/1996 - 06/09/1996
Note
Godkänd; 1996; 20070504 (cira)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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