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Journal of Materials Engineering and Performance
Published in: Journal of Materials Engineering and Performance 9/2017

23-08-2017

Aging Time-Microstructure-Mechanical Property Correlation of a Ni-17Mo-7Cr-Based Superalloy Subjected to Simulated Heat-Affected Zone Thermal Treatment

Authors: Yanming He, Jianguo Yang, Shuangjian Chen, Zengliang Gao

Published in: Journal of Materials Engineering and Performance | Issue 9/2017

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Abstract

The work prepared a typical Ni-17Mo-7Cr (wt.%)-based superalloy and investigated the effect of aging time on microstructure and mechanical properties of the alloy subjected to simulated heat-affected zone (HAZ) thermal treatment. After aging, many fine MoC particles are precipitated at the grain boundaries as well as in the grains. Regions with lamellar-like structures become larger, and many fine MoC particles are produced around them. The microstructural degradation caused by aging has limited influence on the alloy’s high-temperature (800 °C) mechanical properties. After exposure to the HAZ simulation, the alloy can still maintain excellent mechanical properties when aged at 800 °C for different time, similar to the alloy that did not undergo the HAZ simulation.
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Metadata
Title
Aging Time-Microstructure-Mechanical Property Correlation of a Ni-17Mo-7Cr-Based Superalloy Subjected to Simulated Heat-Affected Zone Thermal Treatment
Authors
Yanming He
Jianguo Yang
Shuangjian Chen
Zengliang Gao
Publication date
23-08-2017
Publisher
Springer US
Published in
Journal of Materials Engineering and Performance / Issue 9/2017
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-017-2866-5

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