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Avoiding Thermal-Stress-Induced Failures by Design Optimization when Brazing Perlucor® to Inconel® 718 Components [in press]

Spatafora, Luigi; Isele, Jörg; Ritzhaupt-Kleissl, H.-J.; Hagenmeyer, Veit; Aktaa, J.

Abstract (englisch):
The advanced design of the video inspection system GeoKam for optical inspection of deep boreholes requires the joining of a transparent ceramic window to the Inconel® 718 housing. Active brazing using Incusil ™ ABA as active brazing material gave the best results. Detailed design calculations were performed using the codes ABAQUS® and STAU. Design optimizations resulted in the construction of a sleeve as an adapter part between the ceramic and the Inconel® 718 housing. An important result of the calculations was to avoid sharp edges of the sleeve by realization of a chamfer in order to reduce the fracture probability. The results of the design calculations could be verified with model experiments.



Originalveröffentlichung
DOI: 10.4416/JCST2019-00011
Zugehörige Institution(en) am KIT Institut für Angewandte Materialien - Werkstoff- und Biomechanik (IAM-WBM)
Institut für Automation und angewandte Informatik (IAI)
Publikationstyp Zeitschriftenaufsatz
Jahr 2019
Sprache Englisch
Identifikator ISSN: 2190-9385
KITopen-ID: 1000098858
HGF-Programm 35.14.01 (POF III, LK 01)
Erschienen in Journal of ceramic science and technology
Schlagworte Metal-ceramic-joint, residual stress calculation, failure probability, active brazing
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