Pub Date : 1989-11-01DOI: 10.1016/0036-9748(89)90468-7
U. Glatzel, M. Feller-Kniepmeier
{"title":"Calculations of internal stresses in the γ/γ′ microstructure of a nickel-base superalloy with high volume fraction of γ′-phase","authors":"U. Glatzel, M. Feller-Kniepmeier","doi":"10.1016/0036-9748(89)90468-7","DOIUrl":"10.1016/0036-9748(89)90468-7","url":null,"abstract":"","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"23 11","pages":"Pages 1839-1844"},"PeriodicalIF":0.0,"publicationDate":"1989-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0036-9748(89)90468-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79857590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1989-11-01DOI: 10.1016/0036-9748(89)90467-5
J. Gayda, R.A. MacKay
Analysis of γ1 shape changes in a “commercial” nickel-base single crystal superalloy, NASAIR 100, was performed using a novel microstructural lattice model, MCFET. A negative mismatch of −0.3% and a modulos ratio (Eγ1/Eγ) of 1.12 were used in the analysis. These values were based on actual high temperature measurements for NASAIR 100. Under a uniaxial stress, a regular array of γ1 particles in the simulated microstructure was predicted to coalesce and form a plate morphology in which the broad faces of the plates and stress axis were perpendicular in tension but parallel in compression. These results were consistent with γ1 shape changes observed in NASAIR 100 after creep testing at 1000C.
{"title":"Analysis of γ1 shape changes in a single crystal Ni-Base superalloy","authors":"J. Gayda, R.A. MacKay","doi":"10.1016/0036-9748(89)90467-5","DOIUrl":"10.1016/0036-9748(89)90467-5","url":null,"abstract":"<div><p>Analysis of <em>γ</em><sup>1</sup> shape changes in a “commercial” nickel-base single crystal superalloy, NASAIR 100, was performed using a novel microstructural lattice model, MCFET. A negative mismatch of −0.3% and a modulos ratio (E<em>γ</em><sup>1</sup>/E<em>γ</em>) of 1.12 were used in the analysis. These values were based on actual high temperature measurements for NASAIR 100. Under a uniaxial stress, a regular array of <em>γ</em><sup>1</sup> particles in the simulated microstructure was predicted to coalesce and form a plate morphology in which the broad faces of the plates and stress axis were perpendicular in tension but parallel in compression. These results were consistent with <em>γ<sup>1</sup></em> shape changes observed in NASAIR 100 after creep testing at 1000C.</p></div>","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"23 11","pages":"Pages 1835-1838"},"PeriodicalIF":0.0,"publicationDate":"1989-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0036-9748(89)90467-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81787187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1989-11-01DOI: 10.1016/0036-9748(89)90496-1
Roger D. Doherty , Brian Cantor
{"title":"Reply to comments on “computer modelling of the growth kinetics of ledged interface boundaries”","authors":"Roger D. Doherty , Brian Cantor","doi":"10.1016/0036-9748(89)90496-1","DOIUrl":"10.1016/0036-9748(89)90496-1","url":null,"abstract":"","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"23 11","pages":"Pages 1989-1994"},"PeriodicalIF":0.0,"publicationDate":"1989-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0036-9748(89)90496-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89956641","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1989-11-01DOI: 10.1016/0036-9748(89)90480-8
S.R. Ortner , V. Randle
{"title":"A study of the relation between grain boundary type and sensitisation in a partially-sensitised AISI 304 stainless steel using electron back-scattering patterns","authors":"S.R. Ortner , V. Randle","doi":"10.1016/0036-9748(89)90480-8","DOIUrl":"10.1016/0036-9748(89)90480-8","url":null,"abstract":"","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"23 11","pages":"Pages 1903-1908"},"PeriodicalIF":0.0,"publicationDate":"1989-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0036-9748(89)90480-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85009297","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1989-11-01DOI: 10.1016/0036-9748(89)90497-3
M. Enomoto , H.I. Aaronson
{"title":"Rebuttal or reply to comments on “computer modelling of the growth kinetics of ledged interphase boundaries”","authors":"M. Enomoto , H.I. Aaronson","doi":"10.1016/0036-9748(89)90497-3","DOIUrl":"10.1016/0036-9748(89)90497-3","url":null,"abstract":"","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"23 11","pages":"Pages 1995-1996"},"PeriodicalIF":0.0,"publicationDate":"1989-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0036-9748(89)90497-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88403936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}