A Novel Reticular Retained Austenite on the Weld Fusion Line of Low Carbon Martensitic Stainless Steel 06Cr13Ni4Mo and the Influence on the Mechanical Properties
When performing fluorescent magnetic particle testing in steel welding-repaired zones, as traditional viewpoint usually ascribes magnetic particle indications to discontinuous welding defects such as cracks, incomplete fusion, etc., welding-repaired zones showing indications of these defects are alw...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-03-01
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| Series: | Metals |
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| Online Access: | https://www.mdpi.com/2075-4701/12/3/432 |
| _version_ | 1797445033408856064 |
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| author | Fan Peng Zhourong Feng Yu Zhao Jianzhou Long |
| author_facet | Fan Peng Zhourong Feng Yu Zhao Jianzhou Long |
| author_sort | Fan Peng |
| collection | DOAJ |
| description | When performing fluorescent magnetic particle testing in steel welding-repaired zones, as traditional viewpoint usually ascribes magnetic particle indications to discontinuous welding defects such as cracks, incomplete fusion, etc., welding-repaired zones showing indications of these defects are always judged to be unqualified. In this study, a novel reticular phase was identified on the weld fusion line of 06Cr13Ni4Mo. By selected area electron diffraction, it was proved to be an austenite. By roasting test, it was proved to be induced by the thermal effect of welding. Non-ferromagnetic reticular austenite reduces the overall magnetic permeability, leading to the presence of fluorescent magnetic particle indication. Though the mechanical properties of the welding repaired zone are changed by the reticular austenite with the yield strength, tensile strength, and microhardness decreasing to 571 MPa, 752 MPa, and 279, respectively, they still exceed the required values of standard specifications. 06Cr13Ni4Mo welding-repaired zones showing magnetic particle indications induced by reticular austenite are qualified and should be accepted. |
| first_indexed | 2024-03-09T13:20:55Z |
| format | Article |
| id | doaj.art-f670332350954fbe9734fbce9c5556d8 |
| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-03-09T13:20:55Z |
| publishDate | 2022-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj.art-f670332350954fbe9734fbce9c5556d82023-11-30T21:31:05ZengMDPI AGMetals2075-47012022-03-0112343210.3390/met12030432A Novel Reticular Retained Austenite on the Weld Fusion Line of Low Carbon Martensitic Stainless Steel 06Cr13Ni4Mo and the Influence on the Mechanical PropertiesFan Peng0Zhourong Feng1Yu Zhao2Jianzhou Long3Kocel Machinery Co., Ltd., Yinchuan 750021, ChinaKocel Steel Foundry Co., Ltd., Yinchuan 750021, ChinaAnhui Key Laboratory for High-Performance Non-Ferrous Metal Materials, Anhui Polytechnic University, Wuhu 241000, ChinaAnhui Key Laboratory for High-Performance Non-Ferrous Metal Materials, Anhui Polytechnic University, Wuhu 241000, ChinaWhen performing fluorescent magnetic particle testing in steel welding-repaired zones, as traditional viewpoint usually ascribes magnetic particle indications to discontinuous welding defects such as cracks, incomplete fusion, etc., welding-repaired zones showing indications of these defects are always judged to be unqualified. In this study, a novel reticular phase was identified on the weld fusion line of 06Cr13Ni4Mo. By selected area electron diffraction, it was proved to be an austenite. By roasting test, it was proved to be induced by the thermal effect of welding. Non-ferromagnetic reticular austenite reduces the overall magnetic permeability, leading to the presence of fluorescent magnetic particle indication. Though the mechanical properties of the welding repaired zone are changed by the reticular austenite with the yield strength, tensile strength, and microhardness decreasing to 571 MPa, 752 MPa, and 279, respectively, they still exceed the required values of standard specifications. 06Cr13Ni4Mo welding-repaired zones showing magnetic particle indications induced by reticular austenite are qualified and should be accepted.https://www.mdpi.com/2075-4701/12/3/43206Cr13Ni4Moweldingaustenitemechanical property |
| spellingShingle | Fan Peng Zhourong Feng Yu Zhao Jianzhou Long A Novel Reticular Retained Austenite on the Weld Fusion Line of Low Carbon Martensitic Stainless Steel 06Cr13Ni4Mo and the Influence on the Mechanical Properties Metals 06Cr13Ni4Mo welding austenite mechanical property |
| title | A Novel Reticular Retained Austenite on the Weld Fusion Line of Low Carbon Martensitic Stainless Steel 06Cr13Ni4Mo and the Influence on the Mechanical Properties |
| title_full | A Novel Reticular Retained Austenite on the Weld Fusion Line of Low Carbon Martensitic Stainless Steel 06Cr13Ni4Mo and the Influence on the Mechanical Properties |
| title_fullStr | A Novel Reticular Retained Austenite on the Weld Fusion Line of Low Carbon Martensitic Stainless Steel 06Cr13Ni4Mo and the Influence on the Mechanical Properties |
| title_full_unstemmed | A Novel Reticular Retained Austenite on the Weld Fusion Line of Low Carbon Martensitic Stainless Steel 06Cr13Ni4Mo and the Influence on the Mechanical Properties |
| title_short | A Novel Reticular Retained Austenite on the Weld Fusion Line of Low Carbon Martensitic Stainless Steel 06Cr13Ni4Mo and the Influence on the Mechanical Properties |
| title_sort | novel reticular retained austenite on the weld fusion line of low carbon martensitic stainless steel 06cr13ni4mo and the influence on the mechanical properties |
| topic | 06Cr13Ni4Mo welding austenite mechanical property |
| url | https://www.mdpi.com/2075-4701/12/3/432 |
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