Statistical and systematical errors in the Strength Determination of brittle materials | Zendy

Bongartz K. | Zendy; Schuster H. | Zendy

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Statistical and systematical errors in the Strength Determination of brittle materials

Author(s) -

Bongartz K.,

Schuster H.

Publication year - 1991

Publication title -

materialwissenschaft und werkstofftechnik

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.285

H-Index - 38

eISSN - 1521-4052

pISSN - 0933-5137

DOI - 10.1002/mawe.19910221205

Subject(s) - brittleness , flexural strength , materials science , bending , ceramic , composite material , fracture (geology) , structural engineering , brittle fracture , point (geometry) , mathematics , engineering , geometry

A Computer simulation method was set up to determine the number of ceramic test specimens recommendable for the experimental strength determination on structural components (e.g. on a tube section) under simulated operation conditions, assuming that these measurements can be supported by 4‐Point‐Bending‐(4PB)‐tests on small standard test specimens of the identical material The results show, that a small number of tests performed directly on components, (less than 5) is sufficient to determine the mean strength. To determine the strength for a technologically significant low fracture probability, 4PB‐tests with small standard tet specimens are recommended with a big number of specimens.

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