Reliability Life Models …
how do you describe your system dying?
Speaker: Chris Jackson
OK … that is a little macabre. But reliability engineers need to ask themselves this question a lot. And they are a lot of wrong answers out there. Some textbooks say that it is ‘commonly accepted’ to use this thing called the exponential distribution. Other textbooks say that if the ‘Weibull shape parameter is 6 or greater … redesign!’ Do you have any idea what this means? If not, this webinar will be a nice little introduction for you!
This Accendo Reliability webinar originally broadcast on 28 September 2021.
The audio track is now an Accendo Reliability Webinar Series podcast episode. View the episode show notes to listen or subscribe to the podcast.
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William Meeker says
Very nice presentation.
While the lognormal distribution is probably the best distribution for time to failure for metal fatigue (due to cumulative damage), the Weibull distribution is more appropriate for brittle materials like ceramics. This is because the failure mechanism is related to a “weakest link” phenomenon.