Study on Microstructure and In Situ Tensile Deformation Behavior of Fe-25Mn-<i>x</i>Al-8Ni-C Alloy Prepared by Vacuum Arc Melting
In this study, Fe-25Mn-<i>x</i>Al-8Ni-C alloys (x = 10 wt.%, 11 wt.%, 12 wt.%, 13 wt.%) were prepared by a vacuum arc melting method, and the microstructure of this series of alloys and the in situ tensile deformation behavior were studied. The results showed that Fe-25Mn-<i>x</...
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MDPI AG
2021-05-01
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| author | Yaping Bai Meng Li Chao Cheng Jianping Li Yongchun Guo Zhong Yang |
| author_facet | Yaping Bai Meng Li Chao Cheng Jianping Li Yongchun Guo Zhong Yang |
| author_sort | Yaping Bai |
| collection | DOAJ |
| description | In this study, Fe-25Mn-<i>x</i>Al-8Ni-C alloys (x = 10 wt.%, 11 wt.%, 12 wt.%, 13 wt.%) were prepared by a vacuum arc melting method, and the microstructure of this series of alloys and the in situ tensile deformation behavior were studied. The results showed that Fe-25Mn-<i>x</i>Al-8Ni-C alloys mainly contained austenite phase with a small amount of NiAl compound. With the content of Al increasing, the amount of austenite decreased while the amount of NiAl compound increased. When the Al content increased to 12 wt.%, the interface between austenite and NiAl compound and austenitic internal started to precipitate k-carbide phase. In situ tensile results also showed that as the content of Al increased, the alloy elongation decreased gradually, and the tensile strength first increased and then decreased. When the Al content was up to 11 wt.%, the elongation and tensile strength were 2.6% and 702.5 MPa, respectively; the results of in situ tensile dynamic observations show that during the process of stretching, austenite deformed first, and crack initiation mainly occurred at the interface between austenite and NiAl compound, and propagated along the interface, resulting in fracture of the alloy. |
| first_indexed | 2024-03-10T11:21:00Z |
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| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-03-10T11:21:00Z |
| publishDate | 2021-05-01 |
| publisher | MDPI AG |
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| spelling | doaj.art-60e2f83aae22472c9a684bad500faf592023-11-21T20:04:26ZengMDPI AGMetals2075-47012021-05-0111581410.3390/met11050814Study on Microstructure and In Situ Tensile Deformation Behavior of Fe-25Mn-<i>x</i>Al-8Ni-C Alloy Prepared by Vacuum Arc MeltingYaping Bai0Meng Li1Chao Cheng2Jianping Li3Yongchun Guo4Zhong Yang5School of Materials and Chemical Engineering, Xi’an Technological University, Xi’an 710021, ChinaSchool of Materials and Chemical Engineering, Xi’an Technological University, Xi’an 710021, ChinaSchool of Materials and Chemical Engineering, Xi’an Technological University, Xi’an 710021, ChinaSchool of Materials and Chemical Engineering, Xi’an Technological University, Xi’an 710021, ChinaSchool of Materials and Chemical Engineering, Xi’an Technological University, Xi’an 710021, ChinaSchool of Materials and Chemical Engineering, Xi’an Technological University, Xi’an 710021, ChinaIn this study, Fe-25Mn-<i>x</i>Al-8Ni-C alloys (x = 10 wt.%, 11 wt.%, 12 wt.%, 13 wt.%) were prepared by a vacuum arc melting method, and the microstructure of this series of alloys and the in situ tensile deformation behavior were studied. The results showed that Fe-25Mn-<i>x</i>Al-8Ni-C alloys mainly contained austenite phase with a small amount of NiAl compound. With the content of Al increasing, the amount of austenite decreased while the amount of NiAl compound increased. When the Al content increased to 12 wt.%, the interface between austenite and NiAl compound and austenitic internal started to precipitate k-carbide phase. In situ tensile results also showed that as the content of Al increased, the alloy elongation decreased gradually, and the tensile strength first increased and then decreased. When the Al content was up to 11 wt.%, the elongation and tensile strength were 2.6% and 702.5 MPa, respectively; the results of in situ tensile dynamic observations show that during the process of stretching, austenite deformed first, and crack initiation mainly occurred at the interface between austenite and NiAl compound, and propagated along the interface, resulting in fracture of the alloy.https://www.mdpi.com/2075-4701/11/5/814Fe-25Mn-<i>x</i>Al-8Ni-C alloyvacuum arc meltingmicrostructurein situ tensile deformation behavior |
| spellingShingle | Yaping Bai Meng Li Chao Cheng Jianping Li Yongchun Guo Zhong Yang Study on Microstructure and In Situ Tensile Deformation Behavior of Fe-25Mn-<i>x</i>Al-8Ni-C Alloy Prepared by Vacuum Arc Melting Metals Fe-25Mn-<i>x</i>Al-8Ni-C alloy vacuum arc melting microstructure in situ tensile deformation behavior |
| title | Study on Microstructure and In Situ Tensile Deformation Behavior of Fe-25Mn-<i>x</i>Al-8Ni-C Alloy Prepared by Vacuum Arc Melting |
| title_full | Study on Microstructure and In Situ Tensile Deformation Behavior of Fe-25Mn-<i>x</i>Al-8Ni-C Alloy Prepared by Vacuum Arc Melting |
| title_fullStr | Study on Microstructure and In Situ Tensile Deformation Behavior of Fe-25Mn-<i>x</i>Al-8Ni-C Alloy Prepared by Vacuum Arc Melting |
| title_full_unstemmed | Study on Microstructure and In Situ Tensile Deformation Behavior of Fe-25Mn-<i>x</i>Al-8Ni-C Alloy Prepared by Vacuum Arc Melting |
| title_short | Study on Microstructure and In Situ Tensile Deformation Behavior of Fe-25Mn-<i>x</i>Al-8Ni-C Alloy Prepared by Vacuum Arc Melting |
| title_sort | study on microstructure and in situ tensile deformation behavior of fe 25mn i x i al 8ni c alloy prepared by vacuum arc melting |
| topic | Fe-25Mn-<i>x</i>Al-8Ni-C alloy vacuum arc melting microstructure in situ tensile deformation behavior |
| url | https://www.mdpi.com/2075-4701/11/5/814 |
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