Static recrystallization behavior and mechanical properties of GH3536 superalloy by selective laser melting
To study the static recrystallization behavior of laser additive manufacturing superalloys and their effect on mechanical properties， the solid-solution strengthened nickel-based superalloy GH3536 was investigated.The selective laser melting（SLM）method was used to prepare test blocks and bars， which...
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| Format: | Article |
| Language: | zho |
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Journal of Materials Engineering
2025-02-01
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| Series: | Cailiao gongcheng |
| Subjects: | |
| Online Access: | https://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2024.000259 |
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| author | LIU Ji ZHANG Yunlong ZHU Bin CHENG Liang LI Sai WANG Yasong BAI Jie MA Rui |
| author_facet | LIU Ji ZHANG Yunlong ZHU Bin CHENG Liang LI Sai WANG Yasong BAI Jie MA Rui |
| author_sort | LIU Ji |
| collection | DOAJ |
| description | To study the static recrystallization behavior of laser additive manufacturing superalloys and their effect on mechanical properties， the solid-solution strengthened nickel-based superalloy GH3536 was investigated.The selective laser melting（SLM）method was used to prepare test blocks and bars， which were subjected to solution treatment at 1175 ℃ for different time. The static recrystallization behavior during heat treatment was investigated by EBSD analysis to explore its influence on the tensile properties. The results show that the as-built state organization is dominated by columnar grain growing along the build direction with 〈001〉 fiber texture. The recrystallization fraction after heating at 1175 ℃ for 1 h is 61.8%. Twinning is the main formation of recrystallization nucleation， and the degree of recrystallization gradually increases with the extension of the heating time. The recrystallization kinetic curve was obtained by fitting the Avirami equation， which matched the experimental results well. Static recrystallization significantly suppresses the anisotropy of the mechanical properties. The change magnitude of mechanical properties is small after the heating times more than 1 h. |
| format | Article |
| id | doaj-art-85b610a9d8464ce9abe387f9585f2ae5 |
| institution | OA Journals |
| issn | 1001-4381 |
| language | zho |
| publishDate | 2025-02-01 |
| publisher | Journal of Materials Engineering |
| record_format | Article |
| series | Cailiao gongcheng |
| spelling | doaj-art-85b610a9d8464ce9abe387f9585f2ae52025-08-20T02:16:44ZzhoJournal of Materials EngineeringCailiao gongcheng1001-43812025-02-0153214215110.11868/j.issn.1001-4381.2024.0002591001-4381（2025）02-0142-10Static recrystallization behavior and mechanical properties of GH3536 superalloy by selective laser meltingLIU Ji0ZHANG Yunlong1ZHU Bin2CHENG Liang3LI Sai4WANG Yasong5BAI Jie6MA Rui7School of Materials Engineering，Jiangsu University of Technology， Changzhou 213001，Jiangsu，ChinaSchool of Materials Engineering，Jiangsu University of Technology， Changzhou 213001，Jiangsu，ChinaSchool of Materials Engineering，Jiangsu University of Technology， Changzhou 213001，Jiangsu，ChinaSchool of Materials Engineering，Jiangsu University of Technology， Changzhou 213001，Jiangsu，ChinaBeijing Power Machinery Research Institute，Beijing 100074， ChinaBeijing Power Machinery Research Institute，Beijing 100074， ChinaBeijing Power Machinery Research Institute，Beijing 100074， ChinaBeijing Power Machinery Research Institute，Beijing 100074， ChinaTo study the static recrystallization behavior of laser additive manufacturing superalloys and their effect on mechanical properties， the solid-solution strengthened nickel-based superalloy GH3536 was investigated.The selective laser melting（SLM）method was used to prepare test blocks and bars， which were subjected to solution treatment at 1175 ℃ for different time. The static recrystallization behavior during heat treatment was investigated by EBSD analysis to explore its influence on the tensile properties. The results show that the as-built state organization is dominated by columnar grain growing along the build direction with 〈001〉 fiber texture. The recrystallization fraction after heating at 1175 ℃ for 1 h is 61.8%. Twinning is the main formation of recrystallization nucleation， and the degree of recrystallization gradually increases with the extension of the heating time. The recrystallization kinetic curve was obtained by fitting the Avirami equation， which matched the experimental results well. Static recrystallization significantly suppresses the anisotropy of the mechanical properties. The change magnitude of mechanical properties is small after the heating times more than 1 h.https://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2024.000259selective laser meltinggh3536solution treatmentstatic recrystallization |
| spellingShingle | LIU Ji ZHANG Yunlong ZHU Bin CHENG Liang LI Sai WANG Yasong BAI Jie MA Rui Static recrystallization behavior and mechanical properties of GH3536 superalloy by selective laser melting Cailiao gongcheng selective laser melting gh3536 solution treatment static recrystallization |
| title | Static recrystallization behavior and mechanical properties of GH3536 superalloy by selective laser melting |
| title_full | Static recrystallization behavior and mechanical properties of GH3536 superalloy by selective laser melting |
| title_fullStr | Static recrystallization behavior and mechanical properties of GH3536 superalloy by selective laser melting |
| title_full_unstemmed | Static recrystallization behavior and mechanical properties of GH3536 superalloy by selective laser melting |
| title_short | Static recrystallization behavior and mechanical properties of GH3536 superalloy by selective laser melting |
| title_sort | static recrystallization behavior and mechanical properties of gh3536 superalloy by selective laser melting |
| topic | selective laser melting gh3536 solution treatment static recrystallization |
| url | https://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2024.000259 |
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