Effects of GTAW process and post-welding heat treatment on the microstructure evolution, cracking behavior and hardness of Inconel 939 superalloy using Inconel 617 filler metal
This study investigates repair welding of service-aged Inconel 939 superalloy (100,000 operational hours) using gas tungsten arc welding (GTAW) with Inconel 617 filler metal. The research focuses on three key challenges: (1) irregularities in pre-existing MC carbides, (2) heat-affected zone (HAZ) li...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-09-01
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| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785425019933 |
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