Title: Step-stress accelerated test
Authors: Ming-Wei Lu, Richard J. Rudy
Addresses: Daimler Chrysler Corporation, 800 Chrysler Drive, Auburn Hills, MI 48326, USA. ' Daimler Chrysler Corporation, 800 Chrysler Drive, Auburn Hills, MI 48326, USA
Abstract: Most products are designed to operate for a long period of time, and in such case, life testing is a relatively lengthy procedure. Lengthy tests tend to be expensive and the result becomes available too late to be of much use. To reduce the experimental cost significantly and provide an efficient tool to assess the life distribution for highly reliable products, the Step-stress accelerated test (SSAT) was developed. An example of a SAE keyhole specimen made of RQC-100 is used to demonstrate the SSAT procedure.
Keywords: median rank; Monte Carlo simulation; reliability; step-stress accelerated test; SSAT; Weibull distribution; life testing; product life; reliability.
International Journal of Materials and Product Technology, 2002 Vol.17 No.5/6, pp.425 - 434
Published online: 11 Oct 2004 *Full-text access for editors Access for subscribers Purchase this article Comment on this article