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On the dislocation density in aluminum during Harper-Dorn creep Harper-Dorn蠕变过程中铝中位错密度的研究
Scripta Metallurgica Pub Date : 1989-12-01 DOI: 10.1016/0036-9748(89)90225-1
Glyn Meyrick
{"title":"On the dislocation density in aluminum during Harper-Dorn creep","authors":"Glyn Meyrick","doi":"10.1016/0036-9748(89)90225-1","DOIUrl":"10.1016/0036-9748(89)90225-1","url":null,"abstract":"<div><p>In research on high temperature, low stress, creep in aluminum, Lacombe and Beaujard's etchant has been used to determine dislocation densities. This work has led to the suggestions that the density is about 10<sup>8</sup> m<sup>−2</sup> or less and independent of stress and that for Harper-Dorn creep the density must be below a critical value of about 2×10<sup>9</sup> m<sup>−2</sup>. Here, the characteristics of the etchant have been reviewed and it has been shown that they are complex and that pit densities are generally unreliable measures of dislocation populations. The purpose of this note is to point this out and to suggest that further work on dislocation populations during Harper-Dorn creep is warranted.</p></div>","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"23 12","pages":"Pages 2025-2028"},"PeriodicalIF":0.0,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0036-9748(89)90225-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73767232","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}
引用次数: 3
Compressive strength of a B2 matrix NiAlNb intermetallic at 1200 and 1300 K B2基NiAlNb金属间化合物在1200和1300 K时的抗压强度
Scripta Metallurgica Pub Date : 1989-12-01 DOI: 10.1016/0036-9748(89)90244-5
J. Whittenberger, L. Westfall, M. Nathal
{"title":"Compressive strength of a B2 matrix NiAlNb intermetallic at 1200 and 1300 K","authors":"J. Whittenberger, L. Westfall, M. Nathal","doi":"10.1016/0036-9748(89)90244-5","DOIUrl":"https://doi.org/10.1016/0036-9748(89)90244-5","url":null,"abstract":"","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"59 1","pages":"2127-2130"},"PeriodicalIF":0.0,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75289023","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}
引用次数: 25
Effect of precipitates on the electrical resistivity-temperature curves in an aged Ti-51.8 at % Ni shape memory alloy 沉淀对时效Ti-51.8 at % Ni形状记忆合金电阻率-温度曲线的影响
Scripta Metallurgica Pub Date : 1989-12-01 DOI: 10.1016/0036-9748(89)90245-7
C. Xie, L. C. Zhao, T. Lei
{"title":"Effect of precipitates on the electrical resistivity-temperature curves in an aged Ti-51.8 at % Ni shape memory alloy","authors":"C. Xie, L. C. Zhao, T. Lei","doi":"10.1016/0036-9748(89)90245-7","DOIUrl":"https://doi.org/10.1016/0036-9748(89)90245-7","url":null,"abstract":"","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"36 1","pages":"2131-2136"},"PeriodicalIF":0.0,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74104000","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}
引用次数: 26
Aging effects on the fracture toughness of SiC whisker reinforced 2XXX aluminum alloys 时效对SiC晶须增强2XXX铝合金断裂韧性的影响
Scripta Metallurgica Pub Date : 1989-12-01 DOI: 10.1016/0036-9748(89)90247-0
P. Ratnaparkhi, H. Rack
{"title":"Aging effects on the fracture toughness of SiC whisker reinforced 2XXX aluminum alloys","authors":"P. Ratnaparkhi, H. Rack","doi":"10.1016/0036-9748(89)90247-0","DOIUrl":"https://doi.org/10.1016/0036-9748(89)90247-0","url":null,"abstract":"","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"9 1","pages":"2143-2146"},"PeriodicalIF":0.0,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81283588","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}
引用次数: 5
Recrystallisation in cross-rolled α-brass 交叉轧制α-黄铜中的再结晶
Scripta Metallurgica Pub Date : 1989-12-01 DOI: 10.1016/0036-9748(89)90226-3
W.Y. Yeung , W.B. Lee , B.J. Duggan
{"title":"Recrystallisation in cross-rolled α-brass","authors":"W.Y. Yeung ,&nbsp;W.B. Lee ,&nbsp;B.J. Duggan","doi":"10.1016/0036-9748(89)90226-3","DOIUrl":"10.1016/0036-9748(89)90226-3","url":null,"abstract":"","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"23 12","pages":"Pages 2029-2032"},"PeriodicalIF":0.0,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0036-9748(89)90226-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73412062","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}
引用次数: 5
Research into brittle/ductile transition temperature 脆/韧转变温度的研究
Scripta Metallurgica Pub Date : 1989-12-01 DOI: 10.1016/0036-9748(89)90246-9
Z. Huang , M. Yao
{"title":"Research into brittle/ductile transition temperature","authors":"Z. Huang ,&nbsp;M. Yao","doi":"10.1016/0036-9748(89)90246-9","DOIUrl":"https://doi.org/10.1016/0036-9748(89)90246-9","url":null,"abstract":"","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"23 12","pages":"Pages 2137-2142"},"PeriodicalIF":0.0,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0036-9748(89)90246-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91687820","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}
引用次数: 9
Research into brittle/ductile transition temperature 脆/韧转变温度的研究
Scripta Metallurgica Pub Date : 1989-12-01 DOI: 10.1016/0036-9748(89)90246-9
Z. Huang, M. Yao
{"title":"Research into brittle/ductile transition temperature","authors":"Z. Huang, M. Yao","doi":"10.1016/0036-9748(89)90246-9","DOIUrl":"https://doi.org/10.1016/0036-9748(89)90246-9","url":null,"abstract":"","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"38 1","pages":"2137-2142"},"PeriodicalIF":0.0,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75438681","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}
引用次数: 9
Determination of compositional ordering at grain boundaries in boron-doped Ni3Al 硼掺杂Ni3Al晶界成分有序度的测定
Scripta Metallurgica Pub Date : 1989-12-01 DOI: 10.1016/0036-9748(89)90232-9
M. Mills
{"title":"Determination of compositional ordering at grain boundaries in boron-doped Ni3Al","authors":"M. Mills","doi":"10.1016/0036-9748(89)90232-9","DOIUrl":"https://doi.org/10.1016/0036-9748(89)90232-9","url":null,"abstract":"","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"83 1","pages":"2061-2066"},"PeriodicalIF":0.0,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85968095","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}
引用次数: 49
Editorial: Software survey section 编辑:软件调查部分
Scripta Metallurgica Pub Date : 1989-12-01 DOI: 10.1016/0036-9748(89)90251-2
{"title":"Editorial: Software survey section","authors":"","doi":"10.1016/0036-9748(89)90251-2","DOIUrl":"https://doi.org/10.1016/0036-9748(89)90251-2","url":null,"abstract":"","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"23 12","pages":"Pages I-III"},"PeriodicalIF":0.0,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0036-9748(89)90251-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91594235","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}
引用次数: 0
Structural characterization of rapidly quenched AlFe alloys 快速淬火AlFe合金的组织表征
Scripta Metallurgica Pub Date : 1989-12-01 DOI: 10.1016/0036-9748(89)90243-3
B. Badan, M. Magrini, E. Ramous
{"title":"Structural characterization of rapidly quenched AlFe alloys","authors":"B. Badan, M. Magrini, E. Ramous","doi":"10.1016/0036-9748(89)90243-3","DOIUrl":"https://doi.org/10.1016/0036-9748(89)90243-3","url":null,"abstract":"","PeriodicalId":21604,"journal":{"name":"Scripta Metallurgica","volume":"17 1","pages":"2121-2125"},"PeriodicalIF":0.0,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89113591","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}
引用次数: 7
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