Microstructure Features and Tensile Properties of a Recent Ultra-High-Strength Steel via Two-Step Quenching and Partitioning Process
The two-step quenching and partitioning process is an excellent heat treatment regime that improves the strength and toughness of various steel alloys. This study explores the potential of developing ultra-high-strength steel with good ductility from a novel 0.37C-3.65Mn-0.65Si-0.87Al-1.5Ni-0.05P, w...
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Veröffentlicht in: | Metallography, microstructure, and analysis microstructure, and analysis, 2023-08, Vol.12 (4), p.651-661 |
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description | The two-step quenching and partitioning process is an excellent heat treatment regime that improves the strength and toughness of various steel alloys. This study explores the potential of developing ultra-high-strength steel with good ductility from a novel 0.37C-3.65Mn-0.65Si-0.87Al-1.5Ni-0.05P, wt.% steel alloy through a two-step quenching and partitioning regime. The steel was produced by full austenitization followed by quenching to a temperature below the martensite start temperature (80 and 120 °C) and then partitioning at 450 °C for different durations (20 s to 180 s). The microstructure of all heat-treated specimens consisted of tempered primary martensite, bainite, retained austenite, and secondary martensite. Quenching at 80 °C for 140 s showed the highest elongation and strength elongation balance of 15% and 18.86 GPa.%, respectively, with a high ultimate tensile strength of 1245.3 MPa. The tensile properties of specimens quenched at 120 °C were lower than those quenched at 80 °C. |
doi_str_mv | 10.1007/s13632-023-00977-9 |
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Quenching at 80 °C for 140 s showed the highest elongation and strength elongation balance of 15% and 18.86 GPa.%, respectively, with a high ultimate tensile strength of 1245.3 MPa. 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The microstructure of all heat-treated specimens consisted of tempered primary martensite, bainite, retained austenite, and secondary martensite. Quenching at 80 °C for 140 s showed the highest elongation and strength elongation balance of 15% and 18.86 GPa.%, respectively, with a high ultimate tensile strength of 1245.3 MPa. The tensile properties of specimens quenched at 120 °C were lower than those quenched at 80 °C.</description><subject>Alloy steels</subject><subject>Bainite</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Elongation</subject><subject>Heat treatment</subject><subject>High strength steels</subject><subject>Interrupted quenching</subject><subject>Martensite</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Microstructure</subject><subject>Nanotechnology</subject><subject>Partitioning</subject><subject>Peer-Reviewed Paper</subject><subject>Retained austenite</subject><subject>Structural Materials</subject><subject>Surfaces and Interfaces</subject><subject>Tensile properties</subject><subject>Thin Films</subject><subject>Ultimate tensile strength</subject><issn>2192-9262</issn><issn>2192-9270</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLAzEUhQdRsGj_gKuA62ge80iWUqwVKlbbrkOa3plGamZMMop7f7hpK7pzdS-Hc77LPVl2QckVJaS6DpSXnGHCOCZEVhWWR9mAUcmwZBU5_t1LdpoNQ7Cr5OKC5SwfZF8P1vg2RN-b2HtAY9C7GZB2a7QAF-wW0My3Hfhok9zWSKNnMOAiWm6j13himw2eRw-uiRs0jwBb9G41Wny0SYYOPfXgzMa6Zs-c6QSKtnU7IYENhHCendR6G2D4M8-y5fh2MZrg6ePd_ehmik36I2IALjUnNdOcsrwwUNUrMEJWtDJFXa-ILhljdG0MKYkmUghNZbEqJKM55KLiZ9nlgdv59q2HENVL23uXTiomCsEFpUQkFzu4dsUED7XqvH3V_lNRonaFq0PhKhWu9oUrmUL8EArJ7Brwf-h_Ut-vZYTE</recordid><startdate>20230801</startdate><enddate>20230801</enddate><creator>El-Shenawy, Eman</creator><creator>El-Din, Hoda Nasr</creator><creator>Fouad, M. 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K. ; Refaiy, Hoda</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c270t-ee39a30f2a31245ce7fbec89717c5ffb0a62221dcc060a0988a195b59214e4873</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Alloy steels</topic><topic>Bainite</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Elongation</topic><topic>Heat treatment</topic><topic>High strength steels</topic><topic>Interrupted quenching</topic><topic>Martensite</topic><topic>Materials Science</topic><topic>Metallic Materials</topic><topic>Microstructure</topic><topic>Nanotechnology</topic><topic>Partitioning</topic><topic>Peer-Reviewed Paper</topic><topic>Retained austenite</topic><topic>Structural Materials</topic><topic>Surfaces and Interfaces</topic><topic>Tensile properties</topic><topic>Thin Films</topic><topic>Ultimate tensile strength</topic><toplevel>online_resources</toplevel><creatorcontrib>El-Shenawy, Eman</creatorcontrib><creatorcontrib>El-Din, Hoda Nasr</creatorcontrib><creatorcontrib>Fouad, M. 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Quenching at 80 °C for 140 s showed the highest elongation and strength elongation balance of 15% and 18.86 GPa.%, respectively, with a high ultimate tensile strength of 1245.3 MPa. The tensile properties of specimens quenched at 120 °C were lower than those quenched at 80 °C.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s13632-023-00977-9</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-3497-882X</orcidid><orcidid>https://orcid.org/0000-0002-0333-3463</orcidid></addata></record> |
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subjects | Alloy steels Bainite Characterization and Evaluation of Materials Chemistry and Materials Science Elongation Heat treatment High strength steels Interrupted quenching Martensite Materials Science Metallic Materials Microstructure Nanotechnology Partitioning Peer-Reviewed Paper Retained austenite Structural Materials Surfaces and Interfaces Tensile properties Thin Films Ultimate tensile strength |
title | Microstructure Features and Tensile Properties of a Recent Ultra-High-Strength Steel via Two-Step Quenching and Partitioning Process |
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