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ABLATIVE HEAT SHIELD [1 record]
Record 1 - internal organization data 2026-04-28
Record 1, English
Record 1, Subject field(s)
- Spacecraft
Record 1, Main entry term, English
- ablative shield
1, record 1, English, ablative%20shield
correct, noun
Record 1, Abbreviations, English
Record 1, Synonyms, English
- ablation shield 2, record 1, English, ablation%20shield
correct, noun
- ablative heat shield 3, record 1, English, ablative%20heat%20shield
correct, noun
- ablation heat shield 4, record 1, English, ablation%20heat%20shield
correct, noun
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
... a shield that evaporates when heated, thereby absorbing thermal energy and protecting the underlying structure from heat damage. 5, record 1, English, - ablative%20shield
Record number: 1, Textual support number: 1 CONT
The heat shield is one of the most critical elements of the Orion spacecraft, protecting Orion and the astronauts as they enter Earth's atmosphere ... Measuring 16.5 feet in diameter, it's the largest ablative heat shield in the world. The outer surface is made of blocks of an ablative material called Avcoat, a reformulated version of the material used on the Apollo capsules. During descent, the Avcoat ablates, or burns off in a controlled fashion, transporting heat away from Orion. 6, record 1, English, - ablative%20shield
Record number: 1, Textual support number: 2 CONT
To protect the Apollo command module from the extreme heat of reentry, NASA chose an ablative heat shield composed of a brazed steel honeycomb substructure, a fiberglass honeycomb shell filled with phenolic epoxy resin. 7, record 1, English, - ablative%20shield
Record 1, French
Record 1, Domaine(s)
- Engins spatiaux
Record 1, Main entry term, French
- bouclier ablatif
1, record 1, French, bouclier%20ablatif
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Bouclier thermique dont les éléments principaux sont constitués par des couches réfractaires de haute résistance, réalisées à base de matériaux céramiques ou de matières organiques contenant diverses charges. 2, record 1, French, - bouclier%20ablatif
Record number: 1, Textual support number: 1 OBS
Ces matériaux s'échauffent au cours du vol jusqu'à la température de fusion, de sublimation ou de dissociation moléculaires des constituants, avec perte d'une partie superficielle de leur masse entraînée par l'air extérieur qui balaie la surface. 2, record 1, French, - bouclier%20ablatif
Record number: 1, Textual support number: 2 OBS
Un élément indispensable du bouclier est une couche de matériau thermiquement isolant, de faible poids volumique, disposée sous la couche ablative et servant à protéger les pièces de structure et le volume interne de l'engin contre la pénétration de la chaleur. 2, record 1, French, - bouclier%20ablatif
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Naves espaciales
Record 1, Main entry term, Spanish
- escudo térmico ablativo
1, record 1, Spanish, escudo%20t%C3%A9rmico%20ablativo
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 CONT
Los escudos térmicos ablativos están compuestos de materiales especialmente diseñados para soportar y gestionar las altas temperaturas y la fricción durante la reentrada. 1, record 1, Spanish, - escudo%20t%C3%A9rmico%20ablativo
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© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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