Solidification Segregation Behavior and Homogenization Process of a Difficult-to-Deform Superalloy Used at 850 °C
Solidification segregation behavior and homogenization heat treatment processes of a difficult-to-deform superalloy for use at 850 °C were studied. Additionally, the effect of carbon content on homogenization, the thermal treatment process, and pore growth behavior within the alloy were discussed. O...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-11-01
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| Series: | Crystals |
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| Online Access: | https://www.mdpi.com/2073-4352/13/11/1582 |
| _version_ | 1797459681652768768 |
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| author | Wenbin Tai Rui Zhang Chuanyong Cui Zijian Zhou Yizhou Zhou Xiaofeng Sun |
| author_facet | Wenbin Tai Rui Zhang Chuanyong Cui Zijian Zhou Yizhou Zhou Xiaofeng Sun |
| author_sort | Wenbin Tai |
| collection | DOAJ |
| description | Solidification segregation behavior and homogenization heat treatment processes of a difficult-to-deform superalloy for use at 850 °C were studied. Additionally, the effect of carbon content on homogenization, the thermal treatment process, and pore growth behavior within the alloy were discussed. Our results revealed that Al, Ti, and Nb elements are distributed in the interdendritic space, while W and Mo elements are distributed in the dendrite. There is a significant quantity of γ-γ′ eutectic and MC carbide precipitates in the interdendritic space. Notably, for the alloy containing 0.1 wt% C, a homogenization heat treatment at 1200 °C for 48 h can effectively eliminate the segregation and undesirable phases. As carbon content increased, the γ-γ′ eutectic phases diminished, and the homogenization time decreased accordingly. In this context, pores are smaller and more dispersed, which may enhance alloy forging properties. |
| first_indexed | 2024-03-09T16:54:55Z |
| format | Article |
| id | doaj.art-9ba2efc81ffe4dd48b208e35caeff27a |
| institution | Directory Open Access Journal |
| issn | 2073-4352 |
| language | English |
| last_indexed | 2024-03-09T16:54:55Z |
| publishDate | 2023-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Crystals |
| spelling | doaj.art-9ba2efc81ffe4dd48b208e35caeff27a2023-11-24T14:36:50ZengMDPI AGCrystals2073-43522023-11-011311158210.3390/cryst13111582Solidification Segregation Behavior and Homogenization Process of a Difficult-to-Deform Superalloy Used at 850 °CWenbin Tai0Rui Zhang1Chuanyong Cui2Zijian Zhou3Yizhou Zhou4Xiaofeng Sun5Shi-Changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, ChinaShi-Changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, ChinaShi-Changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, ChinaShi-Changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, ChinaShi-Changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, ChinaShi-Changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, ChinaSolidification segregation behavior and homogenization heat treatment processes of a difficult-to-deform superalloy for use at 850 °C were studied. Additionally, the effect of carbon content on homogenization, the thermal treatment process, and pore growth behavior within the alloy were discussed. Our results revealed that Al, Ti, and Nb elements are distributed in the interdendritic space, while W and Mo elements are distributed in the dendrite. There is a significant quantity of γ-γ′ eutectic and MC carbide precipitates in the interdendritic space. Notably, for the alloy containing 0.1 wt% C, a homogenization heat treatment at 1200 °C for 48 h can effectively eliminate the segregation and undesirable phases. As carbon content increased, the γ-γ′ eutectic phases diminished, and the homogenization time decreased accordingly. In this context, pores are smaller and more dispersed, which may enhance alloy forging properties.https://www.mdpi.com/2073-4352/13/11/1582Ni-based superalloysolidification segregationhomogenization heat treatmentpore growth behavior |
| spellingShingle | Wenbin Tai Rui Zhang Chuanyong Cui Zijian Zhou Yizhou Zhou Xiaofeng Sun Solidification Segregation Behavior and Homogenization Process of a Difficult-to-Deform Superalloy Used at 850 °C Crystals Ni-based superalloy solidification segregation homogenization heat treatment pore growth behavior |
| title | Solidification Segregation Behavior and Homogenization Process of a Difficult-to-Deform Superalloy Used at 850 °C |
| title_full | Solidification Segregation Behavior and Homogenization Process of a Difficult-to-Deform Superalloy Used at 850 °C |
| title_fullStr | Solidification Segregation Behavior and Homogenization Process of a Difficult-to-Deform Superalloy Used at 850 °C |
| title_full_unstemmed | Solidification Segregation Behavior and Homogenization Process of a Difficult-to-Deform Superalloy Used at 850 °C |
| title_short | Solidification Segregation Behavior and Homogenization Process of a Difficult-to-Deform Superalloy Used at 850 °C |
| title_sort | solidification segregation behavior and homogenization process of a difficult to deform superalloy used at 850 °c |
| topic | Ni-based superalloy solidification segregation homogenization heat treatment pore growth behavior |
| url | https://www.mdpi.com/2073-4352/13/11/1582 |
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