Hole Expanding Formability Performance and Fracture Appearance Analysis of High Strength Automobile Sheet Metal

Bin Guan

doi:10.4028/www.scientific.net/AMR.773.386

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 773Hole Expanding Formability Performance and...

Hole Expanding Formability Performance and Fracture Appearance Analysis of High Strength Automobile Sheet Metal

Abstract:

The formability performance of automobile steel is one of the most important factors of product. This work presents the formability behavior of high strength automobile sheet metal by hole-expanding test. The test principle and experiment procedural are introduced. The average expansion ratio of 30 selected samples was 109%. The fracture appearance of two deviant samples and a normal one are compared and analyzed. The initial manufacturing flaw and low dimple concentration level are the possible reasons for the remote date.

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Periodical:

Advanced Materials Research (Volume 773)

Pages:

386-390

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.773.386

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Online since:

September 2013

Authors:

Bin Guan

Keywords:

Fracture Appearance, High Strength Automobile Steel, Hole Expanding, Micro Distinction

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