Superplastic Microforming of Zn-A122 Alloy Ribs

Abstract

Abstract: Research on microforming of mine-grained superplastic Zn-Al22 alloy was carried out in this paper by means of superplastic forming. With the selected material, microformability tests have been carried out with the specially developed evaluation method by using two kinds of stainless steel dies. With these dies, micro-extrusion tests have been carried out and the characteristics of microformability of the material have been clarified. Effects of processing parameters and die structure on forming have been analyzed. SEM and metallographic microscope have been used to analyze the formed specimens. Through analysis of °ow lines of the formed specimen, behavior of material could be understood well.

Key words: Superplastic forming, Microformability, Rib

Changli WANG, Kaifeng ZHANG. Superplastic Microforming of Zn-A122 Alloy Ribs[J]. J Mater Sci Technol, 2004, 20(02): 236-238.

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Superplastic Microforming of Zn-A122 Alloy Ribs

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