期刊
ENGINEERING FRACTURE MECHANICS
卷 152, 期 -, 页码 81-87出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engfracmech.2015.12.007
关键词
Fracture parameter; Linear elastic fracture mechanics (LEFM); Natural crack; Notch; Pre-crack
类别
资金
- Cytec Engineered Materials
- Engineering and Physical Sciences Research Council
- Engineering and Physical Sciences Research Council [1629978] Funding Source: researchfish
Currently, in order to create a sharp pre-crack in a polymeric material for fracture toughness testing, a hand-held razor blade is used. This technique produces cracks of varying angle, length, and crack-front shape. Additionally, there are considerable safety concerns regarding the handling of sharp razor blades. A repeatable, safe method of producing a consistent, sharp pre-crack of a specified length, orientation and crack front is presented here, by use of a simple custom fixture. The specimen preparation procedure has wide applicability for fracture analysis of many brittle materials. (C) 2015 The Authors. Published by Elsevier Ltd.
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