A DYNAMIC OBSERVATION ON DEFORMATION PROCESS OF Sn-Bi SUPERPLASTIC ALLOY

Chin J Mater Res

1990, Vol. 4

Issue (6): 510-513 DOI:

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A DYNAMIC OBSERVATION ON DEFORMATION PROCESS OF Sn-Bi SUPERPLASTIC ALLOY

WANG Chunrong;ZHU Guiqiu;LIU Xingzhi(Institute of Metal Research;Academia Sinica)

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WANG Chunrong;ZHU Guiqiu;LIU Xingzhi(Institute of Metal Research;Academia Sinica). A DYNAMIC OBSERVATION ON DEFORMATION PROCESS OF Sn-Bi SUPERPLASTIC ALLOY. Chin J Mater Res, 1990, 4(6): 510-513.

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Abstract A dynamic observation was carried out on uniaxial tensile test ofSn-3.36wt% Bi superplastic alloy at ε=1×10~(-3)min~(-1)and 20℃ by using the S_4-10 SEM.Itwas found that the morphology of grains was obviously chenged;the grains or grain groupswere rotated;

Key words: dynamic observation grain morphology superplastic deformation

Received: 25 December 1990

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