期刊
FUSION ENGINEERING AND DESIGN
卷 86, 期 9-11, 页码 1642-1645出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.fusengdes.2011.04.027
关键词
Finite element analysis; Braze; Joint; Tungsten; EUROFER97; Fatigue
This paper summarises the challenges in accurately predicting stress states in dissimilar brazed joints and presents initial results from a finite element analysis of a tungsten to EUROFER97 brazed joint. The residual stresses due to joint manufacture are presented and differences in stress distribution due to thermal and mechanical loading highlighted. The results from this analysis correlate well to experimental results from previous research however further validation is required. The challenges in developing fatigue assessment procedures for dissimilar brazed joints are also discussed. These fatigue assessment procedures are introduced and a validation strategy for such procedures is proposed. (C) 2011 Elsevier B.V. All rights reserved.
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