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Welding International Volume 35, 2021 - Issue 10-12
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Translated Articles: 40th anniversary of the formation of the Laser Technology in Engineering department at Moscow State Technical University N.E. Bauman

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

A. G. Grigoryantsa Federal State Budgetary Educational Institution of Higher Education, Moscow State Technical University N.E. Bauman, Moscow, Russia
,
D. A. Yagodnikova Federal State Budgetary Educational Institution of Higher Education, Moscow State Technical University N.E. Bauman, Moscow, Russia
,
A. V. Kolchanovaa Federal State Budgetary Educational Institution of Higher Education, Moscow State Technical University N.E. Bauman, Moscow, Russia
,
K. E. Kovaleva Federal State Budgetary Educational Institution of Higher Education, Moscow State Technical University N.E. Bauman, Moscow, Russia
,
V. P. Aleksandrenkova Federal State Budgetary Educational Institution of Higher Education, Moscow State Technical University N.E. Bauman, Moscow, Russia
,
A. A. Dreninb Moscow Laser Technology Centre Ltd, Moscow, Russia
&
L. A. Shustovac JSC Scientific and Production Corporation, Design Bureau of Mechanical Engineering, Kolomna (Moscow Region), Russia
 show all
Pages 415-420 | Published online: 17 Sep 2021
 
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ABSTRACT

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.

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