{"title":"开尔文倾向力显微镜检测碳化物沉淀中氢捕获效率的研究","authors":"H. Wan, Yong Cai, D. Song, Chang-feng Chen","doi":"10.2139/ssrn.3491851","DOIUrl":null,"url":null,"abstract":"Aging twinning-induced plasticity (TWIP) steel was obtained by aging heat treatment at 700 °C for 24 h. Scanning Kelvin probe force microscopy (SKPFM) was used to investigate the local distribution of hydrogen after electrochemical charging in TWIP steel with carbides in grain boundaries and grains. Results showed that carbides at the grain boundary adsorbed more hydrogen than those in the grain, which may be due to the simultaneous adsorption of hydrogen by carbides and grain boundaries. The numerical simulation results based on the McNabb-Foster equation showed that carbides have stronger adsorption effect than the austenite matrix.","PeriodicalId":18731,"journal":{"name":"Materials Processing & Manufacturing eJournal","volume":"60 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Investigation of Kelvin Prone Force Microscopy Efficiency for Detection of Hydrogen Trapping in Carbide Precipitates\",\"authors\":\"H. Wan, Yong Cai, D. Song, Chang-feng Chen\",\"doi\":\"10.2139/ssrn.3491851\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Aging twinning-induced plasticity (TWIP) steel was obtained by aging heat treatment at 700 °C for 24 h. Scanning Kelvin probe force microscopy (SKPFM) was used to investigate the local distribution of hydrogen after electrochemical charging in TWIP steel with carbides in grain boundaries and grains. Results showed that carbides at the grain boundary adsorbed more hydrogen than those in the grain, which may be due to the simultaneous adsorption of hydrogen by carbides and grain boundaries. The numerical simulation results based on the McNabb-Foster equation showed that carbides have stronger adsorption effect than the austenite matrix.\",\"PeriodicalId\":18731,\"journal\":{\"name\":\"Materials Processing & Manufacturing eJournal\",\"volume\":\"60 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Materials Processing & Manufacturing eJournal\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2139/ssrn.3491851\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Processing & Manufacturing eJournal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2139/ssrn.3491851","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Investigation of Kelvin Prone Force Microscopy Efficiency for Detection of Hydrogen Trapping in Carbide Precipitates
Aging twinning-induced plasticity (TWIP) steel was obtained by aging heat treatment at 700 °C for 24 h. Scanning Kelvin probe force microscopy (SKPFM) was used to investigate the local distribution of hydrogen after electrochemical charging in TWIP steel with carbides in grain boundaries and grains. Results showed that carbides at the grain boundary adsorbed more hydrogen than those in the grain, which may be due to the simultaneous adsorption of hydrogen by carbides and grain boundaries. The numerical simulation results based on the McNabb-Foster equation showed that carbides have stronger adsorption effect than the austenite matrix.
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