Influence of Strain State on Powdering of Galvannealed Sheet Steel

Paper #:
  • 960026

Published:
  • 1996-02-01
Citation:
Rangarajan, V., Jagannathan, V., and Raghavan, K., "Influence of Strain State on Powdering of Galvannealed Sheet Steel," SAE Technical Paper 960026, 1996, https://doi.org/10.4271/960026.
Pages:
10
Abstract:
Galvanneal powdering was examined on a stabilized ultra low carbon steel substrate as a function of strain state using cup drawing and in-plane stretching experiments to simulate deformations encountered in production stampings. Significant powdering was encountered in drawing while minimal powdering occurred in in-plane stretching. Powdering was measured at specific locations and correlated with strains in those locations. A powdering map was generated in strain space using the experimental data. A few measurements of powdering on selected regions of an automotive stamped part are reported.
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