{"title":"老旧蒸汽轮机机身大修技术","authors":"A. Wieczorska","doi":"10.26408/113.05","DOIUrl":null,"url":null,"abstract":"The article presents the technology of overhauling a steam turbine body after prolonged operation at high temperatures. Before any repairs are made to such a body, preliminary material tests must be carried out, which will qualify it for scrapping or\na revitalisation process, because the material undergoes degradation at creep temperatures. The purpose of the overhaul was to restore the steam turbine body (material grade L20HM) to operational condition.","PeriodicalId":269306,"journal":{"name":"Scientific Journal of Gdynia Maritime University","volume":" 24","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2020-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Worn-out steam turbine body overhaul technology\",\"authors\":\"A. Wieczorska\",\"doi\":\"10.26408/113.05\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The article presents the technology of overhauling a steam turbine body after prolonged operation at high temperatures. Before any repairs are made to such a body, preliminary material tests must be carried out, which will qualify it for scrapping or\\na revitalisation process, because the material undergoes degradation at creep temperatures. The purpose of the overhaul was to restore the steam turbine body (material grade L20HM) to operational condition.\",\"PeriodicalId\":269306,\"journal\":{\"name\":\"Scientific Journal of Gdynia Maritime University\",\"volume\":\" 24\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2020-03-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Scientific Journal of Gdynia Maritime University\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.26408/113.05\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Scientific Journal of Gdynia Maritime University","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.26408/113.05","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The article presents the technology of overhauling a steam turbine body after prolonged operation at high temperatures. Before any repairs are made to such a body, preliminary material tests must be carried out, which will qualify it for scrapping or
a revitalisation process, because the material undergoes degradation at creep temperatures. The purpose of the overhaul was to restore the steam turbine body (material grade L20HM) to operational condition.
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