A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
METHOD OF MANUFACTURE FOR A LIGHTWEIGHT, HIGH-PRECISION SILICON CARBIDE MIRROR ASSEMBLY
An aerospace mirror having a reaction bonded (RB) silicon carbide (SiC) mirror substrate, and a SiC cladding on the RB SiC mirror substrate forming an optical surface on a front side of the aerospace mirror. A method for manufacturing an aerospace mirror comprising obtaining a green mirror preform comprising porous carbon, silicon carbide (SiC), or both, the green mirror preform defining a front side of the aerospace mirror and a back side of the aerospace mirror opposite the front side; removing material from the green mirror preform to form support ribs on the back side; infiltrating the green mirror preform with silicon to create a reaction bonded (RB) SiC mirror substrate from the green mirror preform; forming a mounting interface surface on the back side of the aerospace mirror from the RB SiC mirror substrate, and forming a reflector surface of the RB SiC mirror substrate on the front side of the aerospace mirror. Additionally, the method can comprise cladding the reflector surface of the RB SiC mirror substrate with SiC to form an optical surface of the aerospace mirror.
METHOD OF MANUFACTURE FOR A LIGHTWEIGHT, HIGH-PRECISION SILICON CARBIDE MIRROR ASSEMBLY
An aerospace mirror having a reaction bonded (RB) silicon carbide (SiC) mirror substrate, and a SiC cladding on the RB SiC mirror substrate forming an optical surface on a front side of the aerospace mirror. A method for manufacturing an aerospace mirror comprising obtaining a green mirror preform comprising porous carbon, silicon carbide (SiC), or both, the green mirror preform defining a front side of the aerospace mirror and a back side of the aerospace mirror opposite the front side; removing material from the green mirror preform to form support ribs on the back side; infiltrating the green mirror preform with silicon to create a reaction bonded (RB) SiC mirror substrate from the green mirror preform; forming a mounting interface surface on the back side of the aerospace mirror from the RB SiC mirror substrate, and forming a reflector surface of the RB SiC mirror substrate on the front side of the aerospace mirror. Additionally, the method can comprise cladding the reflector surface of the RB SiC mirror substrate with SiC to form an optical surface of the aerospace mirror.
METHOD OF MANUFACTURE FOR A LIGHTWEIGHT, HIGH-PRECISION SILICON CARBIDE MIRROR ASSEMBLY
HERSTELLUNGSVERFAHREN FÜR EINE LEICHTE HOCHPRÄZISE SILIZIUMCARBID-SPIEGELBAUGRUPPE
PROCÉDÉ DE FABRICATION D'UN ENSEMBLE MIROIR DE CARBURE DE SILICIUM LÉGER ET DE HAUTE PRÉCISION
CARRIGAN KEITH (author)
2021-04-14
Patent
Electronic Resource
English
METHOD OF MANUFACTURE FOR A LIGHTWEIGHT, HIGH-PRECISION SILICON CARBIDE MIRROR ASSEMBLY
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