Preprints of the National Meeting of JWS
the national meeting 2007 autumn
Session ID : 303
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Microstructural evolution during FSW of ultrahigh carbon steel
*Yutaka SatoHideaki YamanoiKunitaka MasakiHiroyuki KokawaTadashi Furuhara
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

Ultrahigh carbon steel having 1.0wt% C was friction stir welded after thermal processing for grain refinement. FSW produced the martenisitic structure in the stir zone, which caused the significant increase in hardness. Microstructural evolution of the weld could be reasonably explained using Fe-C phase diagram.

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© 2007 by Japan Welding Society
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