{"title":"氢对增材制造304L型不锈钢断裂韧性的影响","authors":"A. Mcwilliams, M. Morgan, P. Korinko","doi":"10.1115/pvp2019-93709","DOIUrl":null,"url":null,"abstract":"\n Rectangular blocks of Type 304L stainless steel were additively manufactured (AM) using the directed energy deposition process. These samples were characterized using tensile, fracture toughness, fractography, and metallography and compared to forged Type 304L steel. The AM materials exhibited high density, tensile properties consistent with mechanically deformed stainless steel, and acceptable fracture toughness properties (> 100 Mpam) in the as fabricated and hydrogen charged (approximately 2500 appm) conditions.","PeriodicalId":428760,"journal":{"name":"Volume 6A: Materials and Fabrication","volume":"7 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Hydrogen Effects on Fracture Toughness of Additively Manufactured Type 304L Stainless Steel\",\"authors\":\"A. Mcwilliams, M. Morgan, P. Korinko\",\"doi\":\"10.1115/pvp2019-93709\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\\n Rectangular blocks of Type 304L stainless steel were additively manufactured (AM) using the directed energy deposition process. These samples were characterized using tensile, fracture toughness, fractography, and metallography and compared to forged Type 304L steel. The AM materials exhibited high density, tensile properties consistent with mechanically deformed stainless steel, and acceptable fracture toughness properties (> 100 Mpam) in the as fabricated and hydrogen charged (approximately 2500 appm) conditions.\",\"PeriodicalId\":428760,\"journal\":{\"name\":\"Volume 6A: Materials and Fabrication\",\"volume\":\"7 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-11-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Volume 6A: Materials and Fabrication\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1115/pvp2019-93709\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Volume 6A: Materials and Fabrication","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1115/pvp2019-93709","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Hydrogen Effects on Fracture Toughness of Additively Manufactured Type 304L Stainless Steel
Rectangular blocks of Type 304L stainless steel were additively manufactured (AM) using the directed energy deposition process. These samples were characterized using tensile, fracture toughness, fractography, and metallography and compared to forged Type 304L steel. The AM materials exhibited high density, tensile properties consistent with mechanically deformed stainless steel, and acceptable fracture toughness properties (> 100 Mpam) in the as fabricated and hydrogen charged (approximately 2500 appm) conditions.
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