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has been cited by the following article:

• TITLE: Carbides Formation in MarM247 Directional Solidified during Stress-Rupture Test at High Temperature

  AUTHORS: Daniel Moreno, Itzik Mizrahi, Yuri Lipkin, Vasiliy Zevin, Elinor Itzhak, Zion Harush

  KEYWORDS: MarM247, Carbides, Stress-Rupture, High-Temperature, Crack-Propagation

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.11 No.5, September 8, 2023

  ABSTRACT: In our study, stress-rupture tests were conducted at elevated temperatures to examine the impact of high temperature on MarM247 LC (low carbon). Our main objective was to investigate the alterations in the microstructure, particularly the carbon precipitation, during long-term stress-rupture tests. It was observed that cracks developed near the sample neck, following the path of the carbides and the gamma matrix, rather than occurring in the gamma-gamma prime eutectic. This occurred despite the formation of carbides because of prolonged exposure to high temperature and load, and the crack propagation did not follow that path. Based on these findings, we suggest that a reduction in the carbon content of Mar-M247 LC can enhance the sample's lifespan when subjected to temperatures below 760˚C and a stress of 690 MPa.