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In-situ observation of damage mechanisms by digital image correlation during tension and low cycle fatigue of magnesium alloys

Abstract:
A full field strain mapping technique based on digital image correlation analysis has been used to observe the surface strain fields during tensile and low cycle fatigue deformation of magnesium alloys Elektron WE43 and Elektron 21. Heterogeneous strain fields are obtained from localized deformation in the microstructure. The objective of this work is to correlate the locations of fatigue crack initiation and fatigue crack growth with intergranular strains and the distribution of microstructural features such as brittle intermetallic phases.

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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Journal:
12th International Conference on Fracture 2009, ICF-12
Volume:
2
Pages:
871-879
Publication date:
2009
URN:
uuid:4a102ff4-0580-4fad-9dd3-0a9d27156de6
Source identifiers:
366917
Local pid:
pubs:366917
Language:
English

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