Effects of defect and load history on fracture in the presence of residual stress
In this experiment we will study the effect of residual stress on the elastic-plastic fracture of metals. We aim to demonstrate that the timing of residual stress field formation relative to the introduction of a defect can significantly affect the crack-driving force that occurs. This effect is predicted by computer models of elastic-plastic fracture but has not yet been observed directly in experiments. Understanding of this effect could be used to improve the methods that are used to assess the structural integrity of safety-critical mechanical components.
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COULES Harry; PIRLING Thilo; PROBERT Molly; SEOW Cui Er and TRUMAN Christopher. (2018). Effects of defect and load history on fracture in the presence of residual stress. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-02-223
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