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How to Plan an ALT
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 simply 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. Starting 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. The intent of this webinar is to provide a starting point for your next ALT project.

Apr 13, 2021 09:00 AM in Pacific Time (US and Canada)

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Fred Schenkelberg
Reliability Engineering and Management Consultant @FMS Reliability and Accendo Reliability
Fred Schenkelberg is an experienced reliability engineering and management consultant with his firm FMS Reliability. His passion is working with teams to create cost-effective reliability programs that solve problems, create durable and reliable products, increase customer satisfaction, and reduce warranty costs. Fred manages and writes for the site: www.fmsreliability.com/accendo/