About Accelerated Testing

  

Ongoing efforts to improve the reliability of parts and materials have brought forth a large number of highly reliable products. The resulting reduction in opportunities for product failure has led to very long test times being needed to evaluate specific reliability levels. There is a need for evaluation testing that can obtain valid results in less time?accelerated testing. But accelerated testing involves more than just increasing stress and reducing time, and the approach does have its limitations. Researchers who understand these points when using accelerated testing obtain vastly different reliability test results from those who don∏t. Using electrical and electronic equipments and parts as examples this easily understood explanation provides an overview of accelerated testing and describes the approach to it.

  
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ˇ Useful basic physics and chemistry knowledge regarding temperature and humidity

This technical explanation is aimed at readers who already work in the area of reliability or quality control in the electrical or electronic industries, or who will work in these areas in future. We hope it will help readers to consolidate basic information they are already familiar with, and ideally to inspire actual environmental tests currently in common use, along with planning of future environmental tests and development of new test methods. The content covered is therefore common to as many different test methods as possible.

ˇ Useful basic physics and chemistry knowledge regarding temperature and humidity

This part provides an in-depth explanation of (1) activated states and (2) activation energy?information needed for data analysis and failure analysis done after environment testing.

 
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