Increased resistance to hydrogen embrittlement in high-strength steels composed of granular bainite
This paper presents two high-strength steels composed of granular bainite microstructure that have higher extrinsic resistance to hydrogen embrittlement (HE) than conventional tempered-martensite steel, because the granular bainite steel traps less hydrogen than tempered-martensite steel. However, t...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2017-07, Vol.700, p.473-480 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Shim, Da Hye Lee, Taekyung Lee, Junmo Lee, Hyong Jik Yoo, Jang-Yong Lee, Chong Soo |
| description | This paper presents two high-strength steels composed of granular bainite microstructure that have higher extrinsic resistance to hydrogen embrittlement (HE) than conventional tempered-martensite steel, because the granular bainite steel traps less hydrogen than tempered-martensite steel. However, the granular bainite steels had lower intrinsic HE resistance than tempered-martensite steel because hydrogen in granular bainite steels becomes concentrated at microstructures composed of martensite islands and retained austenite. The granular bainite steels with less sulfur showed better HE properties, because S degrades grain-boundary strength. Since the extrinsic properties correspond to the HE resistance that is relevant in industry, granular bainite steels are suitable for applications in hydrogen environment. |
| doi_str_mv | 10.1016/j.msea.2017.06.043 |
| format | Article |
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However, the granular bainite steels had lower intrinsic HE resistance than tempered-martensite steel because hydrogen in granular bainite steels becomes concentrated at microstructures composed of martensite islands and retained austenite. The granular bainite steels with less sulfur showed better HE properties, because S degrades grain-boundary strength. Since the extrinsic properties correspond to the HE resistance that is relevant in industry, granular bainite steels are suitable for applications in hydrogen environment.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2017.06.043</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Bainite ; Corrosion ; Cyclic corrosion test ; Granular bainite ; High strength steels ; Hydrogen ; Hydrogen embrittlement ; Martensitic stainless steel ; Microstructure ; Retained austenite ; Slow strain-rate test ; Tempered martensite</subject><ispartof>Materials science & engineering. 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A, Structural materials : properties, microstructure and processing</title><description>This paper presents two high-strength steels composed of granular bainite microstructure that have higher extrinsic resistance to hydrogen embrittlement (HE) than conventional tempered-martensite steel, because the granular bainite steel traps less hydrogen than tempered-martensite steel. However, the granular bainite steels had lower intrinsic HE resistance than tempered-martensite steel because hydrogen in granular bainite steels becomes concentrated at microstructures composed of martensite islands and retained austenite. The granular bainite steels with less sulfur showed better HE properties, because S degrades grain-boundary strength. Since the extrinsic properties correspond to the HE resistance that is relevant in industry, granular bainite steels are suitable for applications in hydrogen environment.</description><subject>Bainite</subject><subject>Corrosion</subject><subject>Cyclic corrosion test</subject><subject>Granular bainite</subject><subject>High strength steels</subject><subject>Hydrogen</subject><subject>Hydrogen embrittlement</subject><subject>Martensitic stainless steel</subject><subject>Microstructure</subject><subject>Retained austenite</subject><subject>Slow strain-rate test</subject><subject>Tempered martensite</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LAzEUxIMoWKtfwFPA864v2U12F7xI8U-h4EXPIZt926Z0k5qkQr-9KfXs6cEwM4_5EXLPoGTA5OO2nCLqkgNrSpAl1NUFmbG2qYq6q-QlmUHHWSGgq67JTYxbAGA1iBkxS2cC6ogDDRhtTNoZpMnTzXEIfo2O4tQHm9IOJ3SJWkc3dr0pYgro1mlDY0LcRWr8tPenFj_SddDusNOB9to6m_CWXI16F_Hu787J1-vL5-K9WH28LRfPq8JUvE2F0D0Tfd1q7GXPoRlAghlMmzd1LXYs68YILfpO16OudDNkX9UIKYSseY3VnDyce_fBfx8wJrX1h-DyS8U6AZLzhtfZxc8uE3yMAUe1D3bS4agYqBNMtVUnmOoEU4FUGWYOPZ1DeSv-WAwqGosZ1WADmqQGb_-L_wLpyn-Z</recordid><startdate>20170717</startdate><enddate>20170717</enddate><creator>Shim, Da Hye</creator><creator>Lee, Taekyung</creator><creator>Lee, Junmo</creator><creator>Lee, Hyong Jik</creator><creator>Yoo, Jang-Yong</creator><creator>Lee, Chong Soo</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20170717</creationdate><title>Increased resistance to hydrogen embrittlement in high-strength steels composed of granular bainite</title><author>Shim, Da Hye ; Lee, Taekyung ; Lee, Junmo ; Lee, Hyong Jik ; Yoo, Jang-Yong ; Lee, Chong Soo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-5ab15b48aeb6b207d060cdc801798e91aebcc5a5b9a4fa3a7db6b3756556424e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Bainite</topic><topic>Corrosion</topic><topic>Cyclic corrosion test</topic><topic>Granular bainite</topic><topic>High strength steels</topic><topic>Hydrogen</topic><topic>Hydrogen embrittlement</topic><topic>Martensitic stainless steel</topic><topic>Microstructure</topic><topic>Retained austenite</topic><topic>Slow strain-rate test</topic><topic>Tempered martensite</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shim, Da Hye</creatorcontrib><creatorcontrib>Lee, Taekyung</creatorcontrib><creatorcontrib>Lee, Junmo</creatorcontrib><creatorcontrib>Lee, Hyong Jik</creatorcontrib><creatorcontrib>Yoo, Jang-Yong</creatorcontrib><creatorcontrib>Lee, Chong Soo</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials science & engineering. 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A, Structural materials : properties, microstructure and processing</jtitle><date>2017-07-17</date><risdate>2017</risdate><volume>700</volume><spage>473</spage><epage>480</epage><pages>473-480</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>This paper presents two high-strength steels composed of granular bainite microstructure that have higher extrinsic resistance to hydrogen embrittlement (HE) than conventional tempered-martensite steel, because the granular bainite steel traps less hydrogen than tempered-martensite steel. However, the granular bainite steels had lower intrinsic HE resistance than tempered-martensite steel because hydrogen in granular bainite steels becomes concentrated at microstructures composed of martensite islands and retained austenite. The granular bainite steels with less sulfur showed better HE properties, because S degrades grain-boundary strength. Since the extrinsic properties correspond to the HE resistance that is relevant in industry, granular bainite steels are suitable for applications in hydrogen environment.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2017.06.043</doi><tpages>8</tpages></addata></record> |
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| identifier | ISSN: 0921-5093 |
| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2017-07, Vol.700, p.473-480 |
| issn | 0921-5093 1873-4936 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Bainite Corrosion Cyclic corrosion test Granular bainite High strength steels Hydrogen Hydrogen embrittlement Martensitic stainless steel Microstructure Retained austenite Slow strain-rate test Tempered martensite |
| title | Increased resistance to hydrogen embrittlement in high-strength steels composed of granular bainite |
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