Effect of welding speed on microstructure and mechanical properties of friction stir welded copper

The 3-mm-thick copper plates were friction stir welded at a low tool rotation rate of 600 rpm. The influence of welding speed on microstructure and mechanical properties of the joints was investigated. As the welding speed increased, the grain size of nugget zone first increased and then decreased,...

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Bibliographic Details

Published in:	Materials in engineering Vol. 31; no. 8; pp. 3937 - 3942
Main Authors:	Shen, J.J., Liu, H.J., Cui, F.
Format:	Journal Article
Language:	English
Published:	Elsevier Ltd 01-09-2010
Subjects:	BOUNDARIES Copper Elongation Friction stir welding FRICTION WELDING Grain size GRAIN SIZE AND SHAPE HARDNESS MECHANICAL PROPERTIES Microstructure MICROSTRUCTURES PROPERTIES TENSILE STRENGTH WELDING
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