Paper Title:
Formability of Pure Titanium Long-Cup by Multi-Stage Deep Drawing
  Abstract

The pure titanium long-cups were formed by preventing the seizing in cold multi-stage deep drawing processes. For the prevention, pure titanium sheets were treated by heating oxide coating. The coating is very effective in preventing the occurrence of seizure and galling. The fresh and clean titanium is not in direct contact with the die during the forming due to the existence of the oxide layer. In multi-stage deep drawing, pure titanium sheets of the JIS grade 2 was employed. Various cups were drawn by exchanging the punch and ringed die. The die was flat in the first stage, and was taped without a blankholder in the subsequent stages. The effects of the coating conditions on the occurrence of seizure in multi-stage deep drawing were examined. It was found that the coating titanium sheet has sufficient ability in preventing the seizure in multi-stage deep drawing processes. The pure titanium long-cups were successfully formed by a multi-stage deep drawing operation in cold.

  Info
Periodical
Materials Science Forum (Volumes 654-656)
Main Theme
Edited by
Jian-Feng Nie and Allan Morton
Pages
1307-1310
DOI
10.4028/www.scientific.net/MSF.654-656.1307
Citation
Y. Harada, T. Araki, T. Tsuda, "Formability of Pure Titanium Long-Cup by Multi-Stage Deep Drawing", Materials Science Forum, Vols. 654-656, pp. 1307-1310, 2010
Online since
June 2010
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Price
$32.00
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