Formation of Structure in Articles from Steel 316L Obtained by Cold Gas-Dynamic Spraying

Specimens from steel 316L obtained by four variants of cold gas-dynamic spraying of powders and subsequent hot isostatic pressing at a temperature of 1100°C and a pressure of 150 MPa are studied. The optimum parameters of the spraying process are determined. The microstructure is analyzed, the eleme...

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Bibliographic Details
Published in:Metal science and heat treatment 2022, Vol.63 (9-10), p.570-573
Main Authors: Spasenko, A. A., Cheverikin, V. V., Travyanov, A. Ya
Format: Article
Language:English
Subjects:
Analysis
Austenitic stainless steels
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Coatings
Cold gas
Cold isostatic pressing
Degassing of metals
Engineering Thermodynamics
Heat and Mass Transfer
Heat treating
Hot isostatic pressing
Hot pressing
Materials Science
Metallic Materials
Metals
Porosity
Powder spraying
Powders
Process parameters
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Summary:Specimens from steel 316L obtained by four variants of cold gas-dynamic spraying of powders and subsequent hot isostatic pressing at a temperature of 1100°C and a pressure of 150 MPa are studied. The optimum parameters of the spraying process are determined. The microstructure is analyzed, the elemental composition and the porosity of the tested specimens are determined. It is shown that the volume fraction of pores in the specimens decreases after spraying by the optimum variant and hot pressing with reduction of 8 – 1.8 vol.%.
ISSN:0026-0673
1573-8973
DOI:10.1007/s11041-022-00730-z