Performance of cork and ceramic matrix composite joints for re-entry thermal protection structures

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ISSN: 1359-8368
DOI: 10.1016/j.compositesb.2016.09.104
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2017-01-01
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Abstract
In view of spacecraft re-entry applications into planetary atmospheres, hybrid thermal protection systems based on cork and ceramic matrix composites are investigated. Joints of NORCOAT LIÈGE cork with C/Csingle bondSiC ceramic matrix composite were fabricated using a) high temperature commercial inorganic adhesives and b) in-situ polymerization of the cork on top of the CMC. Mechanical shear tests under ambient conditions and in liquid nitrogen are carried out. The ultimate shear strength of all the adhesive joints at room temperature varies between 0.52 and 0.78 MPa and is similar to that of the in-situ joints. At liquid nitrogen temperature the shear strength is enhanced by up to 80%, but the ultimate shear strain decreases up to 55%. The failure mode is discussed for the two types of the fabrication procedure.
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Publisher Copyright: © 2016 Elsevier Ltd
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Cork based composites , Ceramic matrix composites (CMCs) , Joints/joining , Thermo-mechanical , Aerospace , Cork based composites , Ceramic matrix composites (CMCs) , Joints/joining , Thermo-mechanical , Aerospace , Ceramics and Composites , Mechanics of Materials , Mechanical Engineering , Industrial and Manufacturing Engineering , Project ID , info:eu-repo/grantAgreement/EC/FP7/283797/EU/HYBRID ABLATIVE DEVELOPMENT FOR RE-ENTRY IN PLANETARY ATMOSPHERIC THERMAL PROTECTION/HYDRA , info:eu-repo/grantAgreement/EC/FP7/283797/EU/HYBRID ABLATIVE DEVELOPMENT FOR RE-ENTRY IN PLANETARY ATMOSPHERIC THERMAL PROTECTION/HYDRA , Funding Info , FP7 framework, European Project ‘‘HYDRA’’ (G.A. n. 283797), European Commission. , FP7 framework, European Project ‘‘HYDRA’’ (G.A. n. 283797), European Commission.
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journal article
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Triantou , K , Perez , B , Marinou , A , Florez , S , Mergia , K , Vekinis , G , Barcena , J , Rotärmel , W , Zuber , C , de Montbrun , À & de Montbrun , M 2017 , ' Performance of cork and ceramic matrix composite joints for re-entry thermal protection structures ' , Composites Part B: Engineering , vol. 108 , pp. 270-278 . https://doi.org/10.1016/j.compositesb.2016.09.104