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Paper
Title

Effect of Overage Hardening Heat Treatment on the Micro Structure and Hardness of Nickel-based Super Alloy Rene-80

Year: 1397
COI: JR_MPMPJ-7-3_002
Language: EnglishView: 67
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Authors

Mahmoud Moradi - Department of Mechanical Engineering, Malayer University, Malayer, Iran
Mohammad Meghdad Fallah Fallah - Department of Mechanical Engineering, Shahid Rajaee Teacher Training University, Tehran, Iran
Mahdi Kazazi - Department of Materials Engineering, Malayer University, Malayer, Iran
Mahdi Vahdati - Faculty of Mechanical and Mechatronics Engineering, Shahrood University of Technology, Shahrood, Iran

Abstract:

Rene-80 nickel-base superalloy as an alloy for production of the jet turbine blades shows high mechanical properties as well as microstructure stability during the high temperature engine operation. In this research, age hardening heat treatment cycle was done on the as-cast Rene-80 superalloy. In the following, microstructure, elemental analysis of phases and macro-hardness of the alloy before and after of heat treatment were compared together with scanning electron microscopy (SEM) observation, X-ray spectrometry (EDS) and hardness test, respectively. The obtained results showed that γ’ carbide particles in the as-cast alloy had cubic morphology, while these particles showed more spherical morphology after heat treatment and also the amount of this phase was reduced after heat treatment. Based on hardness test results, hardness of as-cast sample was reduce from 38.17 to 35.01 HRC after age hardening heat treatment, which can be due to the reduction of carbide particles and their morphological modification.

Keywords:

Rene-80 Nickel-base Superalloy , Age Hardening Heat Treatment , Microstructure , Hardness

Paper COI Code

This Paper COI Code is JR_MPMPJ-7-3_002. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1146213/

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If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Moradi, Mahmoud and Fallah, Mohammad Meghdad Fallah and Kazazi, Mahdi and Vahdati, Mahdi,1397,Effect of Overage Hardening Heat Treatment on the Micro Structure and Hardness of Nickel-based Super Alloy Rene-80,https://civilica.com/doc/1146213

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Type of center: دانشگاه دولتی
Paper count: 2,228
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