Article(id=1249065616477458863, tenantId=1146029695717560320, journalId=1249024468962553931, issueId=1249065613306569569, articleNumber=null, orderNo=null, doi=10.11868/j.issn.1005-5053.2024.000084, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1716134400000, receivedDateStr=2024-05-20, revisedDate=null, revisedDateStr=null, acceptedDate=1741536000000, acceptedDateStr=2025-03-10, onlineDate=1775730049484, onlineDateStr=2026-04-09, pubDate=1759248000000, pubDateStr=2025-10-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1775730049484, onlineIssueDateStr=2026-04-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1775730049484, creator=13041195026, updateTime=1775730049484, updator=13041195026, issue=Issue{id=1249065613306569569, tenantId=1146029695717560320, journalId=1249024468962553931, year='2025', volume='45', issue='5', pageStart='1', pageEnd='182', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1775730048728, creator=13041195026, updateTime=1775730148042, updator=13041195026, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1249066029947757306, tenantId=1146029695717560320, journalId=1249024468962553931, issueId=1249065613306569569, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1249066029951951611, tenantId=1146029695717560320, journalId=1249024468962553931, issueId=1249065613306569569, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=102, endPage=111, ext={EN=ArticleExt(id=1249065616750088631, articleId=1249065616477458863, tenantId=1146029695717560320, journalId=1249024468962553931, language=EN, title=High-temperature stress rupture damage characteristics and thin-wall effect of DD10 single crystal alloy, columnId=1249065616670396851, journalTitle=Journal of Aeronautical Materials, columnName=Research Paper, runingTitle=null, highlight=null, articleAbstract=
Stress rupture tests are conducted on DD10 alloy specimens with two distinct wall thicknesses at conditions of 1000 ℃/200 MPa and 1100 ℃/100 MPa. The stress damage characteristics of these specimens and the reasons for the thin-wall effect are analysisd. The findings reveal that, under both test conditions, the stress rupture life of thinner specimens is markedly shorter compared to thicker ones, indicating a pronounced thin-wall effect in DD10 alloy. Although the reduction in effective bearing area due to oxidation does expedite the creep process to some extent, the variation in effective stress increase across different wall thicknesses is minimal, within a range of just 6%. This suggests that the augmentation in effective stress stemming from oxidation is not the primary catalyst behind the thin-wall effect. Microstructural observations of the surface and longitudinal sections of the fracture reveal that, under both test conditions, the cavities and cracks in thinner specimens are smaller in size than those in thicker specimens. Furthermore, the relationship between the stress intensity factor(K) and crack length(l) indicates that, for cracks of equivalent size in specimens with varying wall thicknesses, thinner specimens exhibit a higher stress intensity factor at the crack tip, rendering the crack more prone to propagation. Consequently, thinner specimens have a shorter critical size for crack instability expansion. The disparity in this critical size among specimens with different wall thicknesses is pinpointed as a crucial factor contributing to the thin-wall effect.
, correspAuthors=Jie ZHAO, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2025 Journal of Aeronautical Materials. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Jiahui WU, Tieshan CAO, Wei XU, Jiawan CHEN, Lamei CAO, Yue ZHANG, Congqian CHENG, Jie ZHAO), CN=ArticleExt(id=1249065618503307798, articleId=1249065616477458863, tenantId=1146029695717560320, journalId=1249024468962553931, language=CN, title=DD10单晶合金高温持久断裂损伤特征及薄壁效应, columnId=1249065616850751931, journalTitle=航空材料学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
在1000 ℃/200 MPa、1100 ℃/100 MPa条件下开展两种壁厚DD10合金的持久强度实验,分析不同壁厚试样的持久损伤特征及薄壁效应原因。结果表明:在1000 ℃/200 MPa和1100 ℃/100 MPa条件下,较薄试样相比较厚试样持久寿命显著降低,DD10合金呈现薄壁效应。由氧化引起的有效承载面积降低虽在一定程度上加速试样的蠕变进程,但所引起的不同壁厚试样有效应力变化小于6%,氧化导致的有效应力变化不是薄壁效应出现的主要因素。通过对断口表面和纵截面的微观结构观察,可以发现在两种条件下,较薄试样中空洞及裂纹尺寸均小于较厚试样;应力强度因子K与裂纹长度l的关系表明,同尺寸裂纹处于不同壁厚试样中,试样越薄其裂纹尖端应力强度因子越大,裂纹越容易发生进一步扩展。由此推断出,试样越薄,裂纹失稳扩展的临界尺寸越短,不同壁厚试样裂纹失稳扩展的临界尺寸的差异是薄壁效应的重要原因之一。
, correspAuthors=赵杰, authorNote=null, correspAuthorsNote=
赵杰(1963—),男,博士,教授,研究方向为高温材料与强度,联系地址:辽宁省大连市甘井子区凌工路2号大连理工大学材料科学与工程学院(116024),E-mail:
jiezhao@dlut.edu, copyrightStatement=版权所有©《航空材料学报》编辑部 2025, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=wrzMFhrDTFhEhj/YosYHlg==, magXml=SpzWjJC8FIg8rX2Xh4dvqw==, pdfUrl=null, pdf=usttc36qVo8cqbAFuDqgVw==, pdfFileSize=7813247, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=CjHzHU7RrIPDl6st/DJC+A==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=SetS6fJ+lEJHlsNF65bc5A==, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=吴佳慧, 曹铁山, 许巍, 陈家万, 曹腊梅, 张悦, 程从前, 赵杰)}, authors=[Author(id=1249065619044373052, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1249065620659180101, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, authorId=1249065619044373052, language=EN, stringName=Jiahui WU, firstName=Jiahui, middleName=null, lastName=WU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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Dalian: Dalian University of Technology, 2021., articleTitle=null, refAbstract=null), Reference(id=1249065632386453511, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=25, rfOrder=31, authorNames=null, journalName=null, refType=null, unstructuredReference=王德荣, 黄玉珊, 高永寿. 应力强度因子手册[M]. 北京: 科学出版社, 1981., articleTitle=null, refAbstract=null), Reference(id=1249065632508088332, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=25, rfOrder=32, authorNames=null, journalName=null, refType=null, unstructuredReference=WANG D R, HUANG Y S, GAO Y S. Handbook of stress intensity factors[M]. 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PA: Del Research Corp, 1973., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1249065618754966053, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, xref=1, ext=[AuthorCompanyExt(id=1249065618763354663, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, companyId=1249065618754966053, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1School of Materials Science and Engineering,Dalian University of Technology,Dalian 116024,Liaoning,China), AuthorCompanyExt(id=1249065618771743272, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, companyId=1249065618754966053, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1大连理工大学 材料科学与工程学院,辽宁 大连 116024)]), AuthorCompany(id=1249065618935321138, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, xref=2, ext=[AuthorCompanyExt(id=1249065618943709747, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, companyId=1249065618935321138, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2中国航发北京航空材料研究院,北京 100095)])], figs=[ArticleFig(id=1249065623712633632, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=EN, label=Fig.1, caption=
Specimen of DD10 (a)shape and size of DD10 plate specimen;(b)real object after stress rupture of DD10 specimen;(c)schematic of longitudinal section position, figureFileSmall=5g8BkPaPPx57o2BQW38aUg==, figureFileBig=CjHzHU7RrIPDl6st/DJC+A==, tableContent=null), ArticleFig(id=1249065625239360295, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=CN, label=图1, caption=
DD10合金试样 (a)DD10合金板状试样形状尺寸;(b)DD10持久断裂后试样实物;(c)纵截面位置示意图, figureFileSmall=5g8BkPaPPx57o2BQW38aUg==, figureFileBig=CjHzHU7RrIPDl6st/DJC+A==, tableContent=null), ArticleFig(id=1249065625499407154, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=EN, label=Fig.2, caption=
Surface morphology of fracture area after stress rupture tests (a)0.51 mm specimen at 1000 ℃/200 MPa;(b)0.51 mm specimen at 1100 ℃/100 MPa;(c)0.83 mm specimen at 1000 ℃/200 MPa;(d)0.81 mm specimen at 1100 ℃/100 MPa, figureFileSmall=ijUu9We0yBOlV9nadENk/Q==, figureFileBig=u9jMLYFcOj3d9GEPsHqc8Q==, tableContent=null), ArticleFig(id=1249065625591681847, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=CN, label=图2, caption=
持久试样断裂后断口区表面形貌 (a)0.51 mm试样,1000 ℃/200 MPa;(b)0.51 mm试样,1100 ℃/100 MPa;(c)0.83 mm试样,1000 ℃/200 MPa;(d)0.81 mm试样,1100 ℃/100 MPa, figureFileSmall=ijUu9We0yBOlV9nadENk/Q==, figureFileBig=u9jMLYFcOj3d9GEPsHqc8Q==, tableContent=null), ArticleFig(id=1249065625692345148, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=EN, label=Fig.3, caption=
Near surface morphology and EDS line scanning of specimens (a)morphology and EDS of 0.83 mm specimen at 1000 ℃/200 MPa;(b)morphology of 0.51 mm specimen at 1000 ℃/200 MPa;(c)morphology of 0.51 mm specimen at 1100 ℃/100 MPa;(d)morphology of 0.81 mm specimen at 1100 ℃/100 MPa, figureFileSmall=X8b+7nXn7aUuz4NW+Gb8Cg==, figureFileBig=xB7FjTYU6TGjbvMa5BTSNw==, tableContent=null), ArticleFig(id=1249065625797202754, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=CN, label=图3, caption=
试样近表层形貌及EDS线扫描 (a)0.83 mm试样,1000 ℃/200 MPa形貌及EDS;(b)0.51 mm试样,1000 ℃/200 MPa形貌;(c)0.51 mm试样,1100 ℃/100 MPa形貌;(d)0.81 mm试样,1100 ℃/100 MPa形貌, figureFileSmall=X8b+7nXn7aUuz4NW+Gb8Cg==, figureFileBig=xB7FjTYU6TGjbvMa5BTSNw==, tableContent=null), ArticleFig(id=1249065625864311623, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=EN, label=Fig.4, caption=
Microscopic morphology of specimens with different wall thicknesses after stress rupture tests and γ′ phase volume fraction (a)-(h)microscopic morphology of specimens with different wall thicknesses after rupture;(i),(j)γ′ phase volume fraction of specimens with different wall thicknesses after rupture, figureFileSmall=vTXv0ehp23bNCuoLDlmzTA==, figureFileBig=Wv+IITYL7cPUJpUoRcn0NQ==, tableContent=null), ArticleFig(id=1249065625931420493, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=CN, label=图4, caption=
不同壁厚试样在持久断裂后微观组织形貌及γ′相体积分数 (a)~(h)不同壁厚试样断裂后显微组织;(i)、(j)不同壁厚试样断裂后γ′相体积分数, figureFileSmall=vTXv0ehp23bNCuoLDlmzTA==, figureFileBig=Wv+IITYL7cPUJpUoRcn0NQ==, tableContent=null), ArticleFig(id=1249065626015306575, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=EN, label=Fig.5, caption=
OM images of longitudinal section of fractured specimens with different wall thicknesses (a)0.51 mm specimen at 1000 ℃/200 MPa;(b)0.51 mm specimen at 1100 ℃/100 MPa;(c)0.83 mm specimen at 1000 ℃/200 MPa;(d)0.81 mm specimen at 1100 ℃/100 MPa, figureFileSmall=MOu9fiytfre4apZAwluuRg==, figureFileBig=3Hy0TXPsqA0zz8w9ST+D8g==, tableContent=null), ArticleFig(id=1249065626103386960, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=CN, label=图5, caption=
不同壁厚试样断口纵截面OM图 (a)0.51 mm试样,1000 ℃/200 MPa;(b)0.51 mm试样,1100 ℃/100 MPa;(c)0.83 mm试样,1000 ℃/200 MPa;(d)0.81 mm试样,1100 ℃/100 MPa, figureFileSmall=MOu9fiytfre4apZAwluuRg==, figureFileBig=3Hy0TXPsqA0zz8w9ST+D8g==, tableContent=null), ArticleFig(id=1249065626162107218, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=EN, label=Fig.6, caption=
Typical damage of specimens with different wall thicknesses (a),(b)0.51 mm specimen at 1000 ℃/200 MPa;(c),(d)0.83 mm specimen at 1000 ℃/200 MPa, figureFileSmall=lBtgYLd523TY44AAygG75g==, figureFileBig=sBYHqvnHsOysONSZm6pZaw==, tableContent=null), ArticleFig(id=1249065626241798999, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=CN, label=图6, caption=
不同壁厚试样典型损伤 (a)、(b)0.51 mm试样,1000 ℃/200 MPa;(c)、(d)0.83 mm试样,1000 ℃/200 MPa, figureFileSmall=lBtgYLd523TY44AAygG75g==, figureFileBig=sBYHqvnHsOysONSZm6pZaw==, tableContent=null), ArticleFig(id=1249065626355045212, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=EN, label=Fig.7, caption=
Diagram of cross-section of fractured specimen, figureFileSmall=5QJVFG1qXBbp4/1j3DFJXg==, figureFileBig=UVUJyGdxsTc7qho+rVm0aw==, tableContent=null), ArticleFig(id=1249065626455708512, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=CN, label=图7, caption=
断裂样品横截面示意图, figureFileSmall=5QJVFG1qXBbp4/1j3DFJXg==, figureFileBig=UVUJyGdxsTc7qho+rVm0aw==, tableContent=null), ArticleFig(id=1249065626518623075, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=EN, label=Fig.8, caption=
Area distribution of internal voids(including crack propagation voids) in specimens with different wall thicknesses (a)1000 ℃/200 MPa;(b) 1100 ℃/100 MPa, figureFileSmall=UHPFJ45cCIXGvZ7XuSWxEA==, figureFileBig=uzAFPy4TBCJ+IB+/QVhnpg==, tableContent=null), ArticleFig(id=1249065626669618021, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=CN, label=图8, caption=
不同壁厚试样内部空洞(含裂纹扩展型空洞)面积分布 (a)1000 ℃/200 MPa;(b) 1100 ℃/100 MPa, figureFileSmall=UHPFJ45cCIXGvZ7XuSWxEA==, figureFileBig=uzAFPy4TBCJ+IB+/QVhnpg==, tableContent=null), ArticleFig(id=1249065626757698411, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=EN, label=Fig.9, caption=
Relationships between stress intensity factor K and crack length l (a)100 MPa;(b)200 MPa, figureFileSmall=I0Gw0tOZivGtB5VZNvHXbw==, figureFileBig=5jkw4UOOc9qOfaSx/0tQ4g==, tableContent=null), ArticleFig(id=1249065626858361710, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=CN, label=图9, caption=
应力强度因子K与裂纹长度l的关系 (a)100 MPa;(b)200 MPa, figureFileSmall=I0Gw0tOZivGtB5VZNvHXbw==, figureFileBig=5jkw4UOOc9qOfaSx/0tQ4g==, tableContent=null), ArticleFig(id=1249065626942247794, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=EN, label=Tab.1, caption=
Chemical composition of DD10 superalloy(mass fraction/%)
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| Cr | Mo | W | Re | Ta | Al | Co | Hf | C | Ni |
| 4.30 | 1.50 | 6.60 | 6.00 | 7.70 | 5.40 | 12.60 | 0.20 | 0.020 | Bal. |
), ArticleFig(id=1249065627009356663, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065616477458863, language=CN, label=表1, caption=
DD10合金化学成分(质量分数/%)
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| Cr | Mo | W | Re | Ta | Al | Co | Hf | C | Ni |
| 4.30 | 1.50 | 6.60 | 6.00 | 7.70 | 5.40 | 12.60 | 0.20 | 0.020 | Bal. |
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Stress rupture life of DD10 alloy with different wall thicknesses
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| Stress rupture test | Thickness/mm | Stress rupture life/h |
| 1000 ℃/200 MPa | 0.51 | 407 |
| 0.83 | 617 |
| 1100 ℃/100 MPa | 0.51 | 88 |
| 0.81 | 224 |
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不同壁厚DD10合金持久寿命
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| Stress rupture test | Thickness/mm | Stress rupture life/h |
| 1000 ℃/200 MPa | 0.51 | 407 |
| 0.83 | 617 |
| 1100 ℃/100 MPa | 0.51 | 88 |
| 0.81 | 224 |
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Statistical results of width,thickness and oxide layer thickness measurement of specimens with different wall thicknesses after fracture in stress rupture tests
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| Stress rupture test | Specimens thickness,b/mm | After stress rupture tests/mm | Oxide layer thickness,e/mm |
| Width,a′ | Thickness,b′ |
| 1000 ℃/200 MPa | 0.51 | 9.986 | 0.593 | 0.013-0.065 |
| 0.83 | 9.912 | 0.884 | 0.027-0.067 |
| 1100 ℃/100 MPa | 0.51 | 9.950 | 0.563 | 0.029-0.041 |
| 0.81 | 9.987 | 0.875 | 0.021-0.038 |
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持久断裂后不同壁厚试样宽度、厚度及氧化层厚度统计结果
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| Stress rupture test | Specimens thickness,b/mm | After stress rupture tests/mm | Oxide layer thickness,e/mm |
| Width,a′ | Thickness,b′ |
| 1000 ℃/200 MPa | 0.51 | 9.986 | 0.593 | 0.013-0.065 |
| 0.83 | 9.912 | 0.884 | 0.027-0.067 |
| 1100 ℃/100 MPa | 0.51 | 9.950 | 0.563 | 0.029-0.041 |
| 0.81 | 9.987 | 0.875 | 0.021-0.038 |
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Effective stress and the change of effective stress calculation
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| Stress rupture test | Thickness/mm | Oxide layer thickness, emax/mm | Effective stress, σeff/MPa | Change of effective stress,σr/ % |
| 1000 ℃/200 MPa | 0.51 | 0.065 | 225 | −2.17 |
| 0.83 | 0.067 | 230 |
| 1100 ℃/100 MPa | 0.51 | 0.041 | 110 | 5.77 |
| 0.81 | 0.038 | 104 |
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有效应力及有效应力变化计算
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| Stress rupture test | Thickness/mm | Oxide layer thickness, emax/mm | Effective stress, σeff/MPa | Change of effective stress,σr/ % |
| 1000 ℃/200 MPa | 0.51 | 0.065 | 225 | −2.17 |
| 0.83 | 0.067 | 230 |
| 1100 ℃/100 MPa | 0.51 | 0.041 | 110 | 5.77 |
| 0.81 | 0.038 | 104 |
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