Journal
MATERIALS SCIENCE AND TECHNOLOGY
Volume 26, Issue 11, Pages 1377-1383Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1179/174328409X405652
Keywords
Functionally graded steel; Impact resistance; Crack divider; Electroslag remelting; Energy based modelling
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Charpy impact resistance of functionally graded steels produced via electroslag remelting process using plain carbon and austenitic stainless steels in the form of crack divider configuration has been modelled. The results show that impact energy of specimens depends on the type and volume fraction of containing phases. According to the area under stress-strain curve of each layer in the functionally graded composites, an energy based approach has been presented for prediction of impact resistance using the rule of mixtures. There is a good agreement between experimental results and those acquired from the energy based model except for composites containing martensite layer where the experimental results reveal some deviation to those obtained from the model.
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