Hongjun Li, Yu Zhou, Lin Hong, Ming Huang, Sen Yang
{"title":"晶界特征分布对沉淀行为的影响：304 钢和 T91 钢的比较研究","authors":"Hongjun Li, Yu Zhou, Lin Hong, Ming Huang, Sen Yang","doi":"10.1007/s11661-024-07561-y","DOIUrl":null,"url":null,"abstract":"<p>When 304 steel and T91 steel are used as high-temperature structural materials, the presence of Cr-rich M<sub>23</sub>C<sub>6</sub> carbides significantly impacts their properties. In the case of 304 steel, the inhibition of carbide precipitation is achieved by increasing the proportion of Σ3 grain boundaries (GBs). Conversely, for T91 steel, the proportion of random GBs increases following recrystallization. As a result, carbides precipitate within the ferrite grains instead of at the martensitic boundaries.</p><h3 data-test=\"abstract-sub-heading\">Graphical Abstract</h3>\n","PeriodicalId":18504,"journal":{"name":"Metallurgical and Materials Transactions A","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Effect of Grain Boundary Character Distribution on the Precipitation Behavior: A Comparative Study for 304 Steel and T91 Steel\",\"authors\":\"Hongjun Li, Yu Zhou, Lin Hong, Ming Huang, Sen Yang\",\"doi\":\"10.1007/s11661-024-07561-y\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>When 304 steel and T91 steel are used as high-temperature structural materials, the presence of Cr-rich M<sub>23</sub>C<sub>6</sub> carbides significantly impacts their properties. In the case of 304 steel, the inhibition of carbide precipitation is achieved by increasing the proportion of Σ3 grain boundaries (GBs). Conversely, for T91 steel, the proportion of random GBs increases following recrystallization. As a result, carbides precipitate within the ferrite grains instead of at the martensitic boundaries.</p><h3 data-test=\\\"abstract-sub-heading\\\">Graphical Abstract</h3>\\n\",\"PeriodicalId\":18504,\"journal\":{\"name\":\"Metallurgical and Materials Transactions A\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-09-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Metallurgical and Materials Transactions A\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1007/s11661-024-07561-y\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metallurgical and Materials Transactions A","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/s11661-024-07561-y","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Effect of Grain Boundary Character Distribution on the Precipitation Behavior: A Comparative Study for 304 Steel and T91 Steel
When 304 steel and T91 steel are used as high-temperature structural materials, the presence of Cr-rich M23C6 carbides significantly impacts their properties. In the case of 304 steel, the inhibition of carbide precipitation is achieved by increasing the proportion of Σ3 grain boundaries (GBs). Conversely, for T91 steel, the proportion of random GBs increases following recrystallization. As a result, carbides precipitate within the ferrite grains instead of at the martensitic boundaries.
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