{"title":"热-热变异性对单步时效变形Haynes 282合金长期蠕变断裂寿命预测的影响","authors":"V. Cedro, M. Render, Kelechi Chukwunenye","doi":"10.1115/1.4056084","DOIUrl":null,"url":null,"abstract":"\n The impact of a weaker heat of the wrought form of Haynes 282 nickel superalloy on predicted 100,000 hours creep rupture strength (CRS) and hence Maximum Allowable Working Stress (MAWS) was determined by correlating the creep rupture data of the two stronger heats of material that were used (along with the third weaker heat) to develop the ASME Code Case for this alloy. In comparison with the established MAWS values, estimated MAWS values were 3 to 7% higher in the temperature range of 700 to 800°C and up to 30% higher above 800°C when the weaker heat was removed from the data analysis. These results show the importance of minimizing heat to heat variability of properties that most affect creep strength, especially in developing Code case data for an alloy intended for use in high temperature and stress applications.","PeriodicalId":50080,"journal":{"name":"Journal of Pressure Vessel Technology-Transactions of the Asme","volume":"1 1","pages":""},"PeriodicalIF":1.0000,"publicationDate":"2022-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Effect of Heat-to-Heat Variability On Long-Term Creep Rupture Lifetime Predictions of Single Step Aged Wrought Haynes 282 Alloy\",\"authors\":\"V. Cedro, M. Render, Kelechi Chukwunenye\",\"doi\":\"10.1115/1.4056084\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\\n The impact of a weaker heat of the wrought form of Haynes 282 nickel superalloy on predicted 100,000 hours creep rupture strength (CRS) and hence Maximum Allowable Working Stress (MAWS) was determined by correlating the creep rupture data of the two stronger heats of material that were used (along with the third weaker heat) to develop the ASME Code Case for this alloy. In comparison with the established MAWS values, estimated MAWS values were 3 to 7% higher in the temperature range of 700 to 800°C and up to 30% higher above 800°C when the weaker heat was removed from the data analysis. These results show the importance of minimizing heat to heat variability of properties that most affect creep strength, especially in developing Code case data for an alloy intended for use in high temperature and stress applications.\",\"PeriodicalId\":50080,\"journal\":{\"name\":\"Journal of Pressure Vessel Technology-Transactions of the Asme\",\"volume\":\"1 1\",\"pages\":\"\"},\"PeriodicalIF\":1.0000,\"publicationDate\":\"2022-10-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Pressure Vessel Technology-Transactions of the Asme\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://doi.org/10.1115/1.4056084\",\"RegionNum\":4,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"ENGINEERING, MECHANICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Pressure Vessel Technology-Transactions of the Asme","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1115/1.4056084","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, MECHANICAL","Score":null,"Total":0}
Effect of Heat-to-Heat Variability On Long-Term Creep Rupture Lifetime Predictions of Single Step Aged Wrought Haynes 282 Alloy
The impact of a weaker heat of the wrought form of Haynes 282 nickel superalloy on predicted 100,000 hours creep rupture strength (CRS) and hence Maximum Allowable Working Stress (MAWS) was determined by correlating the creep rupture data of the two stronger heats of material that were used (along with the third weaker heat) to develop the ASME Code Case for this alloy. In comparison with the established MAWS values, estimated MAWS values were 3 to 7% higher in the temperature range of 700 to 800°C and up to 30% higher above 800°C when the weaker heat was removed from the data analysis. These results show the importance of minimizing heat to heat variability of properties that most affect creep strength, especially in developing Code case data for an alloy intended for use in high temperature and stress applications.
期刊介绍：
The Journal of Pressure Vessel Technology is the premier publication for the highest-quality research and interpretive reports on the design, analysis, materials, fabrication, construction, inspection, operation, and failure prevention of pressure vessels, piping, pipelines, power and heating boilers, heat exchangers, reaction vessels, pumps, valves, and other pressure and temperature-bearing components, as well as the nondestructive evaluation of critical components in mechanical engineering applications. Not only does the Journal cover all topics dealing with the design and analysis of pressure vessels, piping, and components, but it also contains discussions of their related codes and standards.
Applicable pressure technology areas of interest include: Dynamic and seismic analysis; Equipment qualification; Fabrication; Welding processes and integrity; Operation of vessels and piping; Fatigue and fracture prediction; Finite and boundary element methods; Fluid-structure interaction; High pressure engineering; Elevated temperature analysis and design; Inelastic analysis; Life extension; Lifeline earthquake engineering; PVP materials and their property databases; NDE; safety and reliability; Verification and qualification of software.
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