Abstract
In view of spacecraft re-entry applications into planetary atmospheres, hybrid thermal protection systems based on layered composites of ablative materials and ceramic matrix composites are investigated. Joints of ASTERM™ lightweight ablative material with Cf/SiC (SICARBON™) were fabricated using commercial high temperature inorganic adhesives. Sound joints without defects are produced and very good bonding of the adhesive with both base materials is observed. Mechanical shear tests under ambient conditions and in liquid nitrogen show that mechanical failure always takes place inside the ablative material with no decohesion of the interface of the adhesive layer with the bonded materials. Surface treatment of the ablative surface prior to bonding enhances both the shear strength and the ultimate shear strain by up to about 60%.
Original language | English |
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Pages (from-to) | 1452-1461 |
Number of pages | 10 |
Journal | Journal of Materials Engineering and Performance |
Volume | 24 |
Issue number | 4 |
DOIs | |
Publication status | Published - Apr 2015 |
Keywords
- adhesives
- aerospace
- ceramic
- composites
- mechanical
- microscopy
- optical metallography
- static
- x-ray
- mycroscopy
Project and Funding Information
- Project ID
- info:eu-repo/grantAgreement/EC/FP7/283797/EU/HYBRID ABLATIVE DEVELOPMENT FOR RE-ENTRY IN PLANETARY ATMOSPHERIC THERMAL PROTECTION/HYDRA
- Funding Info
- European Project "HYDRA"