Nondestructive Characterization of Materials: Proceedings of the 3rd International Symposium Saarbrücken, Frg, October 3-6, 1988 - Couverture souple

 
9783642840050: Nondestructive Characterization of Materials: Proceedings of the 3rd International Symposium Saarbrücken, Frg, October 3-6, 1988

Synopsis

Engineering structures for reliable function and safety have to be designed such that operational mechanical loads are compensated for by stresses in the components bearable by the materials used. Vhat is "bearable"? First of all it depends on the properties of the chosen materials as well as on several other parameters, e.g. temperature, corrosivity of the environment, elapsed or remaining serviceable life, unexpected deterioration of materials, whatever the source and nature of such deterioration may be: defects, loss of strength, embrittlement, wastage, etc. DEFECTS and PROPERTIES of materials currently determine loadability. Therefore in addition to nondestructive testing for defects there is also a need for nondestructive testing of properties. The third type of information to be supplied by nondestructive measurement pertains to STRESS STATES under OPERATIONAL LOADS, i.e. LOAD-INDUCED plus RESIDUAL STRESSES. Residual stresses normally cannot be calculated; they have to be measured nondestructively; well-approved elastomechanical finite element codes are available and used for calculating load-induced stresses; for redundancy and reliability, engineers, however, need procedures and instrumentation for experimental checks.

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Autres éditions populaires du même titre

9783540518563: Nondestructive Characterization of Materials: International Symposium Proceedings: 3rd

Edition présentée

ISBN 10 :  3540518568 ISBN 13 :  9783540518563
Editeur : Springer-Verlag Berlin and Heide..., 1990
Couverture rigide