Transactions of Materials and Heat Treatment

Title：Research on superplasticity of MB15 magnesium alloy sheet

Authors： Harbin Institute of Technology Ding Shui Yu Yandong Zhang Kaifeng

Unit：

KeyWords： Superplasticity Magnesium alloy Strain rate

ClassificationCode：TG14

year,vol(issue):pagenumber：2003,28(3):44-46

Abstract：

The research was carried out on the superplasticity of rolled magnesium alloy (MB15) in this paper.At 340℃ and strain rate of 5.56×10 -4s -1,the alloy exhibits high elongation of 415%,low flow stress of 11 MPa and the sensitivity coefficient of strain rate of 0.51.Moreover, the effect of strain rate on the superplasticity and the grain size under the superplastic temperature was carefully analyzed.

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Reference：

1　HWatanabe,TMukai,MKohzu,STanabeetcEffectofTempera tureandGrainSizeonTheDominantDiffusionProcessforSuperplas ticFlowinAnAZ61MagnesiumAlloyActamater1999,47(14):3753～3758
2　TMohri,MMabuchi,MNakamuraetcMicrostructuralevolutionandsuperplasticityofrolledMg-9Al-1ZnMaterialsScienceandEngineering2000,290(1-2):139～144
3　陈拂晓,杨蕴林,上官林建等MB26镁合金的超塑性与超塑挤压研究热加工工艺,2001(4):16～17
4　陈浦泉编著组织超塑性哈尔滨:哈尔滨工业大学出版社,1988

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