Title: The role of connectivity of martensite on the tensile properties of a low alloy steel
Abstract: The effects of martensitic morphology and its distribution in a ferrite matrix on tensile properties of a low alloy steel have been studied. Two distinct microstructures were developed solely by heat treatment, i.e., no thermo-mechanical processing was involved; one consisted of continuous ferrite matrix with embedded islands of martensite (MD: martensite dispersed). The other was continuous martensite phase with embedded islands of ferrite (MC: martensite continuous). The MC structure results in a tensile strength of 977 MPa as compared to 938 MPa for the MD structure, despite the fact that the latter had an 8% higher volume fraction of martensite. The increase is attributed to the continuous distribution of the martensite.
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 25
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