No MTBF Blog

A site devoted to the eradication of MTBF. The following excepts are recent posts of the

NoMTBF blog. Click through or visit nomtbf.com to learn more about the perils and what you can do instead of using MTBF.

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  • Are We Teaching Reliability All Wrong?
    Let’s Demand Better Reliability Engineering Content Teaching reliability occurs through textbooks, technical papers, peers, mentors, and courses. The many sources available tend to use MTBF as a prima …
  • Life Data Analysis with only 2 Failures
    Life Data Analysis with only 2 Failures Here’s a common problem. You have been tasked to peer into the future to predict when the next failure will occur. Predictions are tough. One way to approach th …
  • Discussions and MTBF Questions
    The Importance of the Discussions around MTBF Questions The best way to help others understand and stop using MTBF is to engage them in a discussion. I get questions concerning MTBF or reliability a f …
  • 3 Types of MTBF Stories
    The MTBF Stories You Tell Can Cause Change Stories communicate well. We have been telling stories long before the invention of writing, or the internet. The MTBF stories we tell communicate our ideas, …
  • 3 Recent Questions and Comments Concerning MTBF
    Trying to Respond to All Questions and Comments Concerning MTBF Over the past couple of days, like most days, have received questions and comments concerning MTBF. I do try to respond to all questions …
  • Exposing a Reliability Conflict of Interest
    Is Your Organization Compromising Reliability Performance Due to a Reliability Conflict of Interest? Kirk Gray wrote the article titled Exposing a Reliability Conflict of Interest on Accendo Reliabili …
  • How We Think About Reliability
    How We Think About Reliability Is Important Getting on an airplane we think about the very low probability of failure during the flight duration. This is how we think about reliability. When buying a …
  • MTBF Use May Reduce Product Reliability
    Is MTBF Preventing Your Product From Being Reliable? MTBF is not reliability. Attaining a specific MTBF does not mean your product is reliable. MTBF use may be the culprit. Therefore, working to achie …
  • How Did Reliabilty Become Confused with MTBF?
    When Asking for Reliability Information Do You Ask for MTBF? Our customers, suppliers, and peers seem to confuse reliability information with MTBF. Why is that? Is it a convenient shorthand? Maybe I’m …
  • The Business of Providing MTBF
    What Price Providing MTBF? If your livelihood consists of providing MTBF upon request, what good is your service? Sure you earn some money, yet did the customer receive value in the transaction? As yo …
  • A Couple of Questions for You Concerning MTBF
    Let me ask you something concerning MTBF Do make compromises around gathering and analyzing data since you only need to report MTBF? Do you use MTBF (exponential distribution) based test planning when …
  • How to Judge a Reliability Book
    How Do You Judge a Reliability Book? By it’s cover no doubt. The title and cover are important, this is true. When you judge a reliability book we often first see and evaluate the cover. The author? D …
  • Should One Profit From Failures?
    Should One Profit From Failures? “Do not improve reliability as it cuts into our repair activity profits.” Is this a way to run a reliability program? I’ve seen this in action and that company is no l …
  • Book Review: Accelerated Testing
    Accelerated Testing: Statistical Models, Test Plans, and Data Analyses by Wayne Nelson Published by John Wiley & Sons in 1990 this 601 page book started my career in reliability engineering. I did …
  • High MTBF with Low Reliability
    Can You Have a High MTBF and Low Reliability? As regular readers know, MTBF by itself is misleading. When representing actual data it can be deceptive as well. Just because you have a high MTBF value …
If you’d like to learn more about MTBF and how to improve your reliability metrics, let’s talk.