Effect of Hot Isostatic Pressing on the Microstructure of Directionally Solidified Nickel Alloy After SLM

Conference paper (2022)

Authors

Evgenii Borisov Peter the Great Saint-Petersburg Polytechnic University
Anna Gracheva Peter the Great Saint-Petersburg Polytechnic University
V. Popovich Team Vera Popovich - Mechanical, Maritime and Materials Engineering , Peter the Great Saint-Petersburg Polytechnic University
Anatoly Popovich Peter the Great Saint-Petersburg Polytechnic University
Research Group
Team Vera Popovich (Mechanical, Maritime and Materials Engineering) (TU Delft)
Copyright: © 2022 Evgenii Borisov, Anna Gracheva, V. Popovich, Anatoly Popovich
DOI: https://doi.org/10.1007/978-3-030-92381-5_27
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Published Date

2022

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Materials Science and Engineering

Research Group

Team Vera Popovich

Abstract

The paper investigates the effect of hot isostatic pressing of single-crystal nickel-based alloy manufactured by selective laser melting (SLM) with a high-temperature substrate preheating. A study of the structure and phase composition of the material before and after treatment has been carried out. It was found that as a result of such treatment, the ratio and proportion of the strengthening phases change; however, due to slow cooling after treatment, the optimal ratio and shape of the inclusions are not fixed. In addition, the hardening particles are precipitated.

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