HOT TENSILE PROPERTIES OF INCONEL 706 ALLOY

AUTHOR(S)

Abhishek.S, Chandru.P, Navin Kumar.A, Bharath.G, Karthik.V

DOI: https://doi.org/10.46647/ijetms.2023.v07i03.033

ABSTRACT
INCONEL 706 is a high-strength nickel-based super alloy that is commonly used in high-temperature applications such as gas turbines and nuclear reactors. In this study, the hot tensile properties of Inconel 706 were investigated to better understand the material's behavior under high-temperature and high-stress conditions. Tensile tests were conducted at temperatures ranging from 740°, 860°, 940°, 1020°1080°and strain rates ranging from 0.001/s to 1/s. The results showed that the ultimate tensile strength and yield strength of Inconel 706 decreased with increasing temperature, while the elongation increased. The strain rate had a negligible effect on the mechanical properties. Microstructural analysis revealed that the deformation mechanism changed from dislocation slip to dynamic recrystallization as the temperature increased. The activation energy for deformation was calculated to be 421 kJ/mol, indicating that diffusion-controlled mechanisms play an important role in the deformation process. Overall, the hot tensile properties of Inconel 706 were found to be highly dependent on temperature and microstructure, which should be considered in the design and operation of high-temperature components made of this alloy. The output from the tensile testing machine is used for the data in analysis software like MATLAB, Ansys. The aim of investigations conducted in this project is to study the change of the mechanical properties, especially the high temperature mechanical properties of HTPI, at elevated temperatures.

Page No: 256 - 265

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How to Cite This Article:
Abhishek.S, Chandru.P, Navin Kumar.A, Bharath.G, Karthik.V .HOT TENSILE PROPERTIES OF INCONEL 706 ALLOY . ijetms;7(3):256-265. DOI: 10.46647/ijetms.2023.v07i03.033