Evolution of Dislocation Density During Tensile Deformation of BH220 Steel at Different Pre-strain Conditions
IR@NML: CSIR-National Metallurgical Laboratory, Jamshedpur
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| Title |
Evolution of Dislocation Density During Tensile Deformation of BH220 Steel at Different Pre-strain Conditions
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| Creator |
Seth, Prem Prakash
Das, Arpan Bar, H N Sivaprasad, S Basu, A Dutta, K |
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| Subject |
Materials Science
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| Description |
Tensile behavior of BH220 steel with different pre-strain conditions (2 and 8%) followed by bake hardening was studied at different strain rates (0.001 and 0.1/s). Dislocation densities of the deformed specimens were successfully estimated from x-ray diffraction profile analysis using the modified Williamson-Hall equation. The results indicate that other than 2% pre-strain the dislocation density increases with increase in pre-strain level as well as with strain rate. The decrease in the dislocation density in 2% pre-strain condition without any drop in strength value is attributed to the characteristic dislocation feature formed during pre-straining.
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| Publisher |
Springer, USA
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| Date |
2015
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| Type |
Article
PeerReviewed |
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| Relation |
http://apps.webofknowledge.com/full_record.do?product=UA&search_mode=GeneralSearch&qid=2&SID=S1AnDO8z54Fzm5VlBuU&page=1&doc=5&cacheurlFromRightClick=no
http://eprints.nmlindia.org/7260/ |
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| Identifier |
Seth, Prem Prakash and Das, Arpan and Bar, H N and Sivaprasad, S and Basu, A and Dutta, K (2015) Evolution of Dislocation Density During Tensile Deformation of BH220 Steel at Different Pre-strain Conditions. Journal of Materials Engineering and Performance, 24(7) (IF-0.998). pp. 2779-2783.
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