Let's explore how to select the right ALT approach. Getting meaningful results on time is important, as is minimizing testing costs.
Accendo Reliability Webinar Series How to Plan an ALT
Apr 13, 2021
00:00
How to Plan an ALT
podcast episode with speaker Fred Schenkelberg
The more you understand the failure mechanisms, the easier it is to design an accelerated life test (ALT). Yet, we often do not have all the information we would like to draft an ALT. So, what do we do then?
One approach is to use a suitable standard and follow the recipe. For example, 3 samples in a chamber at 85°C and 85% RH for 1,000 hours is a common standard-based recipe. The trouble is, what do the results of such an experiment mean? Will your device work for 15 years with a low probability of failure? It is unclear, right?
So, let's step through an approach to setting up your ALT such that you will have a meaningful result. Start with what you know about your failure mechanism (or should know), then step through what to measure, how often, how many samples, and an overview of the analysis. This webinar intends to provide a starting point for your next ALT project.
This Accendo Reliability webinar originally broadcast on 13 April 2021.
To view the recorded video and PDF of slides, visit the webinar page.
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ALT Planning Questions episode
An ALT Design Question episode
ALT Sample Size episode
Putting Reliability Plans Together episode
ALT vs. HALT episode
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