This Standard specifies the processing and quality assurance requirements for brazing processes for space flight application. Brazing is understood as the joining and sealing of materials by means of a solidification of a liquid filler metal.
The term brazing in this standard is used as equivalent to soldering, in cases that the filler materials have liquidus temperatures below 450 °C.
Brazing and soldering are allied process to welding and this standard is supplementing the standard for welding ECSS-Q-ST-70-39.
This standard does not cover requirements for:
- Joining processes by adhesive bonding (ECSS-Q-ST-70-16),
- Soldering for electronic assembly purposes (ECSS-Q-ST-70-61),
- Soldering used in hybrid manufacturing (ESCC 2566000).
The standard covers but is not limited to the following brazing processes:
- Torch brazing,
- Furnace brazing,
- Dip Brazing and Salt-bath brazing,
- Induction Brazing.
This Standard does not detail the brazing definition phase and brazing pre-verification phase, including the derivation of design allowables.
This standard may be tailored for the specific characteristic and constraints of a space project in conformance with ECSS-S-ST-00.
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