Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/70131
Title: Effects of stress relieving on limit dome height of titanium tailor-welded blanks at elevated temperatures
Authors: Lai, C
Chan, L 
Chow, C
Keywords: Stress Relieving
Tailor Welded Blank (TWB)
Titanium (Ti)
Warm forming
Issue Date: 2006
Publisher: Trans Tech Publications Ltd
Source: Materials science forum, Dec., 2006, v. 532-533, p. 977-980 How to cite?
Journal: Materials science forum 
Abstract: This paper aims to study the effect of stress relieving on Limit Dome Height (LDH) of Ti-TWBs at elevated temperatures. This is achieved by developing a newly constructed heating system. The elevated temperature of the system can be varied and monitored by a separately control panel. All Ti-TWBs were prepared and used to examine the LDHs under elevated temperatures. Selected specimens were heat-treated at 600°C within an hour before being formed by HILLE machine. Meanwhile, the temperature of tool heating system was also adjusted from room temperature to 550°C. Specified tests were carried out to examine the stress relieving effects of Ti-TWBs on the LDHs with the temperature control panel. In addition, investigations were carried out to ascertain whether the elevated temperatures of the critical tooling components, i.e. the die and the blank holder, could result in any significant effects on LDHs of Ti-TWBs. The findings show that LDHs of Ti-TWBs can be improved by stress relieving. The stress relieving condition can be obtained by nearly isothermal forming of specimens at a range of 550°C to 600°C.
Description: 12th International Manufacturing Conference in China, September 21-23, 2006, Xi'an, China
URI: http://hdl.handle.net/10397/70131
ISBN: 978-0-87849-421-7
ISSN: 0255-5476
EISSN: 1662-9752
DOI: 10.4028/www.scientific.net/MSF.532-533.977
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