Effect of solid solution temperature and aging time on microstructure and mechanical properties of Inconel 617 superalloy
The effects of solid solution temperature and aging time on the microstructure and mechanical properties of Inconel 617 superalloy are studied by using optical microscope， scanning electron microscope， and transmission electron microscope. The results show that the main precipitated phase in the sol...
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Journal of Materials Engineering
2025-01-01
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| Series: | Cailiao gongcheng |
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| Online Access: | https://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2024.000207 |
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| author | WANG Qingpeng LIU Sheng SUN Mingyue JIA Zhen XU Bin WU Shengqing CHEN Yijie |
| author_facet | WANG Qingpeng LIU Sheng SUN Mingyue JIA Zhen XU Bin WU Shengqing CHEN Yijie |
| author_sort | WANG Qingpeng |
| collection | DOAJ |
| description | The effects of solid solution temperature and aging time on the microstructure and mechanical properties of Inconel 617 superalloy are studied by using optical microscope， scanning electron microscope， and transmission electron microscope. The results show that the main precipitated phase in the solid solution microstructure of Inconel 617 superalloy is M23C6 type carbide， and the nucleation growth is preferentially at the grain boundary. With the increase of solid solution temperature， the grain boundaries and intragranular carbides undergo two processes： first growing and then dissolving， and the average growth rate of the grain size also increases. As the aging time prolongs， the γ′ phase precipitates dispersedly and distributes uniformly in the microstructure，showing a trend of grain quantity decrease and grain size increase. As the size of the γ′ phase increases， its lattice mismatch also increases， and the elastic strain field around the γ′ phase is enhanced， resulting in a more obvious strengthening effect. High- temperature tensile properties testing shows that the tensile strength and yield strength of Inconel 617 alloy gradually decrease at 750 ℃ with the increase of solid solution temperature， while they gradually increase at 900 ℃. The grain boundary strength of Inconel 617 alloy is higher than the inner grain strength at ≤750 ℃， while the inner grain strength is higher than the grain boundary strength at 900 ℃. The tensile strength and yield strength of Inconel 617 alloy at 750 ℃ increase gradually with the aging time. |
| format | Article |
| id | doaj-art-d620a697ff854c73948a67d4d725aa02 |
| institution | Kabale University |
| issn | 1001-4381 |
| language | zho |
| publishDate | 2025-01-01 |
| publisher | Journal of Materials Engineering |
| record_format | Article |
| series | Cailiao gongcheng |
| spelling | doaj-art-d620a697ff854c73948a67d4d725aa022025-01-21T09:44:41ZzhoJournal of Materials EngineeringCailiao gongcheng1001-43812025-01-0153112113010.11868/j.issn.1001-4381.2024.0002071001-4381（2025）01-0121-10Effect of solid solution temperature and aging time on microstructure and mechanical properties of Inconel 617 superalloyWANG Qingpeng0LIU Sheng1SUN Mingyue2JIA Zhen3XU Bin4WU Shengqing5CHEN Yijie6Faculty of Aerospace Engineering，Shenyang Aerospace University， Shenyang 110136，ChinaSuzhou Laboratory，Suzhou 215123，Jiangsu，ChinaShenyang National Laboratory for Materials Science，Institute of Metal Research，Chinese Academy of Sciences， Shenyang 110016，ChinaFaculty of Aerospace Engineering，Shenyang Aerospace University， Shenyang 110136，ChinaShenyang National Laboratory for Materials Science，Institute of Metal Research，Chinese Academy of Sciences， Shenyang 110016，ChinaShenyang National Laboratory for Materials Science，Institute of Metal Research，Chinese Academy of Sciences， Shenyang 110016，ChinaChina North Vehicle Research Institute，Beijing 100072，ChinaThe effects of solid solution temperature and aging time on the microstructure and mechanical properties of Inconel 617 superalloy are studied by using optical microscope， scanning electron microscope， and transmission electron microscope. The results show that the main precipitated phase in the solid solution microstructure of Inconel 617 superalloy is M23C6 type carbide， and the nucleation growth is preferentially at the grain boundary. With the increase of solid solution temperature， the grain boundaries and intragranular carbides undergo two processes： first growing and then dissolving， and the average growth rate of the grain size also increases. As the aging time prolongs， the γ′ phase precipitates dispersedly and distributes uniformly in the microstructure，showing a trend of grain quantity decrease and grain size increase. As the size of the γ′ phase increases， its lattice mismatch also increases， and the elastic strain field around the γ′ phase is enhanced， resulting in a more obvious strengthening effect. High- temperature tensile properties testing shows that the tensile strength and yield strength of Inconel 617 alloy gradually decrease at 750 ℃ with the increase of solid solution temperature， while they gradually increase at 900 ℃. The grain boundary strength of Inconel 617 alloy is higher than the inner grain strength at ≤750 ℃， while the inner grain strength is higher than the grain boundary strength at 900 ℃. The tensile strength and yield strength of Inconel 617 alloy at 750 ℃ increase gradually with the aging time.https://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2024.000207inconel 617 alloysolid solutionagingcarbideγ′ phasemechanical property |
| spellingShingle | WANG Qingpeng LIU Sheng SUN Mingyue JIA Zhen XU Bin WU Shengqing CHEN Yijie Effect of solid solution temperature and aging time on microstructure and mechanical properties of Inconel 617 superalloy Cailiao gongcheng inconel 617 alloy solid solution aging carbide γ′ phase mechanical property |
| title | Effect of solid solution temperature and aging time on microstructure and mechanical properties of Inconel 617 superalloy |
| title_full | Effect of solid solution temperature and aging time on microstructure and mechanical properties of Inconel 617 superalloy |
| title_fullStr | Effect of solid solution temperature and aging time on microstructure and mechanical properties of Inconel 617 superalloy |
| title_full_unstemmed | Effect of solid solution temperature and aging time on microstructure and mechanical properties of Inconel 617 superalloy |
| title_short | Effect of solid solution temperature and aging time on microstructure and mechanical properties of Inconel 617 superalloy |
| title_sort | effect of solid solution temperature and aging time on microstructure and mechanical properties of inconel 617 superalloy |
| topic | inconel 617 alloy solid solution aging carbide γ′ phase mechanical property |
| url | https://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2024.000207 |
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