The aging temperature and time should be chosen to obtain the best overall performance criteria with a general aging temperature of 500 ~ 600 in + -type titanium alloy and time of 4 ~ 12h. Data reproduced with permission of Granta Design Limited www.grantadesign.com and Ceram Research Limited www.ceram.co.uk. Power Transmission Tech. Electrified Interfaces and the Role they Play in Analytical Chemistry, The Current State of the Global Semiconductor Market. Under WQ and OQ conditions, due to the faster cooling rate, only metastable is formed but no T is formed.