Technological features of growing a combustion chamber of a liquid-propellant rocket engine by method of selective laser melting from AISI 316L steel

This work is devoted to the applied possibilities of the selective laser melting technology in the rocket industry. The properties of stainless steel formed by volumetric growth at various modes are investigated; the influence of the laser main parameters of laser treatment on the properties of the...

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Bibliographic Details
Published in:Welding international 2021-12, Vol.35 (10-12), p.415-420
Main Authors: Grigoryants, A. G., Yagodnikov, D. A., Kolchanova, A. V., Kovalev, K. E., Aleksandrenkov, V. P., Drenin, A. A., Shustova, L. A.
Format: Article
Language:English
Subjects:
Austenitic stainless steels
combustion chamber
Combustion chambers
Cooling
growing
Heat exchangers
Laser beam melting
Lasers
Liquid propellant rocket engines
liquid rocket engine
powder material
Rapid prototyping
Rockets
Selective laser melting
SLM
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Summary:This work is devoted to the applied possibilities of the selective laser melting technology in the rocket industry. The properties of stainless steel formed by volumetric growth at various modes are investigated; the influence of the laser main parameters of laser treatment on the properties of the material is traced. The formation of the smallest possible size of the structures of the cooling path of LRE has been worked out. As a result of the performed work, a model of the liquid rocket engine (LRE) cooling path with a developed heat exchanger surface was manufactured and tested.
ISSN:0950-7116
1754-2138
DOI:10.1080/09507116.2021.1974229