Impact of quality variations on product reliability

The reliability of manufactured products can differ from the desired design reliability due to variations in manufacturing quality. Failure data from field provide useful information to assess if the changes in product reliability variations are significant or not and to identify the cause for the v...

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Bibliographic Details
Published in:Reliability engineering & system safety 2009-02, Vol.94 (2), p.490-496
Main Authors: Jiang, R., Murthy, D.N.P.
Format: Article
Language:English
Subjects:
Applied sciences
Detecting quality variations
Exact sciences and technology
Manufacturing quality
Operational research and scientific management
Operational research. Management science
Product reliability
Reliability theory. Replacement problems
Weibull distribution
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Summary:The reliability of manufactured products can differ from the desired design reliability due to variations in manufacturing quality. Failure data from field provide useful information to assess if the changes in product reliability variations are significant or not and to identify the cause for the variation. In order to devise statistical methods to detect this, one needs to model the effect of quality variations in manufacturing on product reliability. This paper looks at this issue and examines the Weibull case in detail.
ISSN:0951-8320
1879-0836
DOI:10.1016/j.ress.2008.05.009