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Improving Reliability and Quality for Product Success
book

Improving Reliability and Quality for Product Success

by Dongsu Ryu
May 2012
Intermediate to advanced content levelIntermediate to advanced
226 pages
7h 18m
English
CRC Press
Content preview from Improving Reliability and Quality for Product Success
38 Improving reliability and quality for product success
has no infant mortality, which can be precipitated by a short period test-
ing and should consequently always be corrected.
In random failure, the cumulative failure rate is proportional to the life-
time acceptable to customers. Common sense tells us that an item with a 1%
failure rate for 1 year has a 10% failure rate in 10 years. In a practical sense,
this proportionality applies at below about 20% of the cumulative failure
rate, which is the core concept of the exponential distribution function.
*
No
proportionality during use indicates that wear-out failure and infant mor-
tality are mixed ...
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Publisher Resources

ISBN: 9781466503793