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Published in:
1999 | OriginalPaper | Chapter
Scatter of Mechanical Properties
Authors : Prof. Dietrich Munz, Dr. Theo Fett
Published in: Ceramics
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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The scatter in the strength of ceramic materials is significantly larger than that of metals. As already mentioned, failure starts from small defects existing in the material. The scatter of strength, therefore, is caused by the scatter of the flaw size. This is also the reason for a pronounced influence of the component size on strength. The lifetime of ceramics undergoing subcritical crack extension also shows a large amount of scatter, which can be related to the scatter of the strength.