ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
This paper aims to study the effect of stress relieving on Limit Dome Height (LDH) ofTi-TWBs at elevated temperatures. This is achieved by developing a newly constructed heatingsystem. The elevated temperature of the system can be varied and monitored by a separately controlpanel. 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 HILLEmachine. Meanwhile, the temperature of tool heating system was also adjusted from roomtemperature to 550℃. Specified tests were carried out to examine the stress relieving effects ofTi-TWBs on the LDHs with the temperature control panel. In addition, investigations were carriedout to ascertain whether the elevated temperatures of the critical tooling components, i.e. the die andthe blank holder, could result in any significant effects on LDHs of Ti-TWBs. The findings showthat LDHs of Ti-TWBs can be improved by stress relieving. The stress relieving condition can beobtained by nearly isothermal forming of specimens at a range of 550°C to 600°C
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/14/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.532-533.977.pdf
