{"title":"40Co-38Ni-17Cr-5Ti合金的淬火时效行为","authors":"D. Chung, M. Chaturvedi","doi":"10.1179/030634572790445902","DOIUrl":null,"url":null,"abstract":"AbstractThe quench-ageing behaviour of a new Co–Ni–Cr-base high-temperature alloy containing Ti has been studied. The as-quenched structure of the alloy was fcc, and on ageing between 700 and 900° C (973 and 1173 K) the main strengthening phase was observed to be an ordered fcc γ′ phase. On overageing, this phase transforms to a stable hexagonal Ni3Ti η phase. The grain boundaries provide nucleation sites for the cellular precipitation of η phase. TiC and M23C6 carbides were also observed. However, during overageing TiC transforms to M23C6 carbides.","PeriodicalId":103313,"journal":{"name":"Metal Science Journal","volume":"26 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Quench-Ageing Behaviour of 40Co–38Ni–17Cr–5Ti Alloy\",\"authors\":\"D. Chung, M. Chaturvedi\",\"doi\":\"10.1179/030634572790445902\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"AbstractThe quench-ageing behaviour of a new Co–Ni–Cr-base high-temperature alloy containing Ti has been studied. The as-quenched structure of the alloy was fcc, and on ageing between 700 and 900° C (973 and 1173 K) the main strengthening phase was observed to be an ordered fcc γ′ phase. On overageing, this phase transforms to a stable hexagonal Ni3Ti η phase. The grain boundaries provide nucleation sites for the cellular precipitation of η phase. TiC and M23C6 carbides were also observed. However, during overageing TiC transforms to M23C6 carbides.\",\"PeriodicalId\":103313,\"journal\":{\"name\":\"Metal Science Journal\",\"volume\":\"26 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Metal Science Journal\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1179/030634572790445902\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metal Science Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1179/030634572790445902","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Quench-Ageing Behaviour of 40Co–38Ni–17Cr–5Ti Alloy
AbstractThe quench-ageing behaviour of a new Co–Ni–Cr-base high-temperature alloy containing Ti has been studied. The as-quenched structure of the alloy was fcc, and on ageing between 700 and 900° C (973 and 1173 K) the main strengthening phase was observed to be an ordered fcc γ′ phase. On overageing, this phase transforms to a stable hexagonal Ni3Ti η phase. The grain boundaries provide nucleation sites for the cellular precipitation of η phase. TiC and M23C6 carbides were also observed. However, during overageing TiC transforms to M23C6 carbides.
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