Research on Even Ways of LY12 Semi-Gobbler Thickness Distribution of Super Plastic Expand Forming

Zhan Jun Liu

doi:10.4028/www.scientific.net/AMR.997.308

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 997Research on Even Ways of LY12 Semi-Gobbler...

Research on Even Ways of LY12 Semi-Gobbler Thickness Distribution of Super Plastic Expand Forming

Abstract:

The theory of super plastic expand forming of metal sheet is rooted. The thickness uneven reason and control way of sheet super plastic expand forming is summarized, the thickness even theory and exactly control way of super plastic expand forming is studied .The result is showed that expand forming time of machined sheet is shorter than even thickness in surely press and height, and smaller forming press in the biggest stress rate, using LY12 alloy of semi-gobbler of super plastic expand forming as example, weight is alleviated by 15.05 percent, the bigger is m , the smaller is thickness difference of top and outside, the change of bulging is smaller in even stress rate.

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Periodical:

Advanced Materials Research (Volume 997)

Pages:

308-311

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.997.308

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Online since:

August 2014

Authors:

Zhan Jun Liu*

Keywords:

Exactly Control, Expand Forming, Semi-Gobbler Sheet, Super Plastic

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