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Appropriate lifetime prediction of structural components calls for a two step approach. The stress distribution in the component is first calculated by means of a constitutive equation relating stresses and strains. A damage evolution equation is then used to determine the functional life of the component. The paper sketches the general framework of continuum mechanics based lifetime prediction as it currently stands in the research community. Particular reference is made to metallic alloys and to engineering ceramics, representing the materials traditionally used and on the verge of being introduced in the field of high temperature structural design respectively. The paper concludes by introducing the experimental aspects of lifetime modelling.

Additional information

Authors: BRESSERS J, JRC Petten (NL);STEEN M, JRC Petten (NL);VALLES J L, JRC Petten (NL)
Bibliographic Reference: Paper presented: International Symposium on Life and Performance of High Temperature Materials and Structures, Tallin (SU), October 7-8, 1992
Availability: Available from (1) as Paper EN 37129 ORA
Record Number: 199211114 / Last updated on: 1994-11-29
Original language: en
Available languages: en
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