Article(id=1249065618754970511, tenantId=1146029695717560320, journalId=1249024468962553931, issueId=1249065613306569569, articleNumber=null, orderNo=null, doi=10.11868/j.issn.1005-5053.2025.000064, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1744560000000, receivedDateStr=2025-04-14, revisedDate=null, revisedDateStr=null, acceptedDate=1747929600000, acceptedDateStr=2025-05-23, onlineDate=1775730050027, onlineDateStr=2026-04-09, pubDate=1759248000000, pubDateStr=2025-10-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1775730050027, onlineIssueDateStr=2026-04-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1775730050027, creator=13041195026, updateTime=1775730050027, 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=131, endPage=141, ext={EN=ArticleExt(id=1249065619098903447, articleId=1249065618754970511, tenantId=1146029695717560320, journalId=1249024468962553931, language=EN, title=Revolution features of microstructures and mechanical properties of nickel-based superalloy thin-walled castings, columnId=1249065616670396851, journalTitle=Journal of Aeronautical Materials, columnName=Research Paper, runingTitle=null, highlight=null, articleAbstract=
To meet the lightweigh requirements, the structure of castings is evolving towards thin-walled designs. Therefore, it is necessary to study the evolution characteristics of the microstructures and mechanical properties of thin-walled structures made of nickel-based superalloys. Firstly, a thin-walled casting with wall thicknesses of 1, 1.25 mm and 1.5 mm is designed. Gravity casting experiments are conducted under two different process conditions, and the microstructural analysis and mechanical property tests are carried out for two types of castings, respectively. The values of microstructural characteristics are determined, including secondary dendrite arm spacing(SDAS), grain morphology and average grain size, as well as the size and volume percentage of the γ′ phase at different wall thicknesses of the castings under different cooling conditions. The corresponding hardness and tensile strength also are measured by experiments. The results show that SDAS increases by more than 29.9% as the wall thickness of the casting increases from 1 mm to 1.25 mm and 1.5 mm. The tensile strength of the casting fluctuates with the increase in wall thickness when the flask temperature is 900 ℃. However, the tensile strength of the casting increases as the wall thickness increases when the flask temperature is 25 ℃. The variation range of the castings cooling rates are determined through numerical simulation. The cooling rate range of castings with a sand mold temperature of 900 ℃ ranges from 16.0 ℃/s to 28.2 ℃/s while those produced with a sand mold temperature of 25 ℃ exhibit a cooling rate range of 26.2 ℃/s to 58.5 ℃/s.
, correspAuthors=Dashan SUI, 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=Dashan SUI, Depeng ZHOU, Dafan DU, Anping DONG), CN=ArticleExt(id=1249065625230975029, articleId=1249065618754970511, tenantId=1146029695717560320, journalId=1249024468962553931, language=CN, title=镍基高温合金薄壁结构显微组织与力学性能演化特征, columnId=1249065616850751931, journalTitle=航空材料学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
为满足轻量化需求,铸件结构正朝着薄壁化方向发展,因此有必要研究镍基高温合金薄壁结构的微观组织和力学性能演化特征。首先设计包含壁厚1、1.25 mm和1.5 mm的薄壁铸件,分别在两种工艺条件下完成重力浇注,并对两种铸件进行微观组织分析和力学性能测试,获得铸件不同壁厚处的二次枝晶臂间距(secondary dendrite arm spacing,SDAS)、晶粒形貌和晶粒平均尺寸、γ′相尺寸与体积分数等微观组织特征值,以及相应的硬度和抗拉强度。结果表明:随着铸件壁厚由1mm增大到1.25 mm和1.5 mm时,SDAS增加了29.9%以上。当砂箱温度900 ℃时,铸件抗拉强度随着壁厚增加而波动;当砂箱温度25 ℃时,铸件抗拉强度随着壁厚增加而升高。通过数值模拟,确定铸件的冷却速率变化范围。砂箱温度900 ℃的铸件冷却速率范围为16.0~28.2 ℃/s;砂箱温度25 ℃的铸件冷却速率范围为26.2~58.5 ℃/s。
, correspAuthors=隋大山, authorNote=null, correspAuthorsNote=
隋大山(1972—),男,博士,副教授,研究方向为高温合金精密铸造数值建模与工艺优化,联系地址:上海市华山路1954号上海交通大学材料科学与工程学院塑性成形技术与装备研究院(200030),E-mail:
dasui@sjtu.edu.cn, copyrightStatement=版权所有©《航空材料学报》编辑部 2025, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=0vpMkIdnOWBuW1sdzddLCA==, magXml=Ho/FqJttE2u0qeCM7UksgQ==, pdfUrl=null, pdf=bYCSY+T+rcae2iOHaSMJvw==, pdfFileSize=5522200, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=f0NmTyB8GCo2gzcymiJV9g==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=DhUICca+5HVXj8zyBDNDEQ==, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=隋大山, 周德鹏, 杜大帆, 董安平)}, authors=[Author(id=1249065625960783975, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=dasui@sjtu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1249065626048864368, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, authorId=1249065625960783975, language=EN, stringName=Dashan SUI, firstName=Dashan, middleName=null, lastName=SUI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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Beijing: Metallurgical Industry Press, 2014., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1249065625738485835, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, xref=1, ext=[AuthorCompanyExt(id=1249065625742680140, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, companyId=1249065625738485835, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1上海交通大学 材料科学与工程学院 塑性成形技术与装备研究院,上海 200030)]), AuthorCompany(id=1249065625872703577, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, xref=2, ext=[AuthorCompanyExt(id=1249065625881092187, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, companyId=1249065625872703577, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2上海交通大学 材料科学与工程学院 上海市先进高温材料及其精密成形重点实验室,上海 200240)])], figs=[ArticleFig(id=1249065629949567216, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Fig.1, caption=
Real casting and numerical model (a)CAD model;(b)real casting;(c)simulation model, figureFileSmall=y6tT3Mrte9+AD7ZaXj6K2Q==, figureFileBig=f0NmTyB8GCo2gzcymiJV9g==, tableContent=null), ArticleFig(id=1249065630100562164, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=图1, caption=
铸件实物和数值模型 (a)CAD模型;(b)铸件实物;(c)数值模型, figureFileSmall=y6tT3Mrte9+AD7ZaXj6K2Q==, figureFileBig=f0NmTyB8GCo2gzcymiJV9g==, tableContent=null), ArticleFig(id=1249065630318665983, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Fig.2, caption=
Dimensionsal drawing of room temperature tensile samples, figureFileSmall=FGR1FBF69dnOVsQsEA4hvw==, figureFileBig=ndh0Cx8LPNzG/boF4qLjog==, tableContent=null), ArticleFig(id=1249065630452883715, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=图2, caption=
室温拉伸试样尺寸图, figureFileSmall=FGR1FBF69dnOVsQsEA4hvw==, figureFileBig=ndh0Cx8LPNzG/boF4qLjog==, tableContent=null), ArticleFig(id=1249065630503215368, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Fig.3, caption=
Thin-wall dendrite morphology of C1 (a)1 mm;(b)1.25 mm;(c)1.5 mm;(1)surface;(2)center, figureFileSmall=bzK7iXmovquFMhBwzumz2Q==, figureFileBig=0GttH2SI35GKl348V+2sSg==, tableContent=null), ArticleFig(id=1249065630587101450, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=图3, caption=
C1薄壁枝晶形貌 (a)1 mm;(b)1.25 mm;(c)1.5 mm;(1)表面;(2)心部, figureFileSmall=bzK7iXmovquFMhBwzumz2Q==, figureFileBig=0GttH2SI35GKl348V+2sSg==, tableContent=null), ArticleFig(id=1249065630712930578, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Fig.4, caption=
Thin-wall dendrite morphology of C2 (a)1 mm;(b)1.25 mm;(c)1.5 mm; (1)surface;(2)center, figureFileSmall=TywOEAp0ItahoQrF/1Cm7g==, figureFileBig=vYl4xdy3uZn3U94LZk6nbg==, tableContent=null), ArticleFig(id=1249065630796816663, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=图4, caption=
C2薄壁枝晶形貌 (a)1 mm;(b)1.25 mm;(c)1.5 mm;(1)表面;(2)心部, figureFileSmall=TywOEAp0ItahoQrF/1Cm7g==, figureFileBig=vYl4xdy3uZn3U94LZk6nbg==, tableContent=null), ArticleFig(id=1249065630893285660, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Fig.5, caption=
EBSD maps of thin-wall surface grains (a)1 mm;(b)1.25 mm;(c)1.5 mm;(1)C1;(2)C2, figureFileSmall=m4Rn4uu6B5CoLJwqvIPC6w==, figureFileBig=wJV1fmvYtU3ZfaZkMuvN3A==, tableContent=null), ArticleFig(id=1249065630981366048, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=图5, caption=
铸件薄壁表面晶粒EBSD图 (a)1 mm;(b)1.25 mm;(c)1.5 mm;(1)C1;(2)C2, figureFileSmall=m4Rn4uu6B5CoLJwqvIPC6w==, figureFileBig=wJV1fmvYtU3ZfaZkMuvN3A==, tableContent=null), ArticleFig(id=1249065631069446437, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Fig.6, caption=
EBSD maps of thin-wall center grains (a)1 mm;(b)1.25 mm;(c)1.5 mm;(1)C1;(2)C2, figureFileSmall=ct6me/s9DVD3VyGREF9MPQ==, figureFileBig=HBLADKwmfL4Roc8f6BPcNQ==, tableContent=null), ArticleFig(id=1249065631153332523, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=图6, caption=
铸件薄壁心部晶粒EBSD图 (a)1 mm;(b)1.25 mm;(c)1.5 mm;(1) C1;(2) C2, figureFileSmall=ct6me/s9DVD3VyGREF9MPQ==, figureFileBig=HBLADKwmfL4Roc8f6BPcNQ==, tableContent=null), ArticleFig(id=1249065631291744558, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Fig.7, caption=
Thin-wall γ′ phase morphology of C1 (a)1 mm;(b)1.25 mm;(c)1.5 mm;(1)surface;(2)center, figureFileSmall=/clsYfXatFCO0JZMKP9krw==, figureFileBig=pYRXnUWxG4zj8jTRomVJsw==, tableContent=null), ArticleFig(id=1249065631400796467, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=图7, caption=
C1薄壁γ′相形态 (a)1 mm;(b)1.25 mm;(c)1.5 mm;(1)表面;(2)心部, figureFileSmall=/clsYfXatFCO0JZMKP9krw==, figureFileBig=pYRXnUWxG4zj8jTRomVJsw==, tableContent=null), ArticleFig(id=1249065631522431289, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Fig.8, caption=
Thin-wall γ′ phase morphology of C2 (a)1 mm;(b)1.25 mm;(c)1.5 mm; (1)surface;(2)center, figureFileSmall=r9b06M5sQIUiJKQxs6SrSQ==, figureFileBig=+NfJ6beVAaKwlap+RHWXxA==, tableContent=null), ArticleFig(id=1249065631648260416, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=图8, caption=
C2薄壁γ′相形态 (a)1 mm;(b)1.25 mm;(c)1.5 mm;(1)表面;(2)心部, figureFileSmall=r9b06M5sQIUiJKQxs6SrSQ==, figureFileBig=+NfJ6beVAaKwlap+RHWXxA==, tableContent=null), ArticleFig(id=1249065631769895238, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Fig.9, caption=
γ′ phase sizes and volume percentages (a)C1;(b)C2, figureFileSmall=FolO2kvE3HlS5Jlqi9LgJQ==, figureFileBig=p6lKwdPn/p5GJu8h8fT46w==, tableContent=null), ArticleFig(id=1249065631887335757, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=图9, caption=
γ′相尺寸与体积分数 (a)C1;(b)C2, figureFileSmall=FolO2kvE3HlS5Jlqi9LgJQ==, figureFileBig=p6lKwdPn/p5GJu8h8fT46w==, tableContent=null), ArticleFig(id=1249065632021553491, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Fig.10, caption=
Room temperature tensile curves of different state specimens, figureFileSmall=J+KxgJy8IG7bNOBaLnesSg==, figureFileBig=7cGbVi89eDr3E1DyxRJHRw==, tableContent=null), ArticleFig(id=1249065632122216794, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=图10, caption=
不同状态试样室温拉伸曲线, figureFileSmall=J+KxgJy8IG7bNOBaLnesSg==, figureFileBig=7cGbVi89eDr3E1DyxRJHRw==, tableContent=null), ArticleFig(id=1249065632206102881, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Fig.11, caption=
Tensile fractures of 1 mm (a) and 1.25 mm(b) in C2, figureFileSmall=wBhXhNlVzrPo0I3Vft0JmA==, figureFileBig=cDAhlWiab4cNnrpQpVWPrQ==, tableContent=null), ArticleFig(id=1249065632327737703, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=图11, caption=
C2的1 mm(a)和1.25 mm(b)拉伸件断口, figureFileSmall=wBhXhNlVzrPo0I3Vft0JmA==, figureFileBig=cDAhlWiab4cNnrpQpVWPrQ==, tableContent=null), ArticleFig(id=1249065632491315566, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Fig.12, caption=
Temperature contours at filling completion of C1 (a)1 mm;(b)1.25 mm;(c)1.5 mm, figureFileSmall=httn0rNpHeMaVmEAVq9uXA==, figureFileBig=9zNcY9oEFOoD7siGy3/RWg==, tableContent=null), ArticleFig(id=1249065632642310517, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=图12, caption=
C1充型完成时温度云图 (a)1 mm;(b)1.25 mm;(c)1.5 mm, figureFileSmall=httn0rNpHeMaVmEAVq9uXA==, figureFileBig=9zNcY9oEFOoD7siGy3/RWg==, tableContent=null), ArticleFig(id=1249065634219368825, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Fig.13, caption=
Temperature contours at filling completion of C2 (a)1 mm;(b)1.25 mm;(c)1.5 mm, figureFileSmall=AmNVU3okdcgqQdIBhDaD/g==, figureFileBig=qFCTlJ0WEoJLfzjNd5gjqA==, tableContent=null), ArticleFig(id=1249065634366169467, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=图13, caption=
C2充型完成时温度云图 (a)1 mm;(b)1.25 mm;(c)1.5 mm, figureFileSmall=AmNVU3okdcgqQdIBhDaD/g==, figureFileBig=qFCTlJ0WEoJLfzjNd5gjqA==, tableContent=null), ArticleFig(id=1249065634483609986, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Tab.1, caption=
Pouring experiments
, figureFileSmall=null, figureFileBig=null, tableContent=
| Casting | Thickness/mm | Cooling environment | Pouring temperature/℃ | Preheated temperature of shell/℃ |
| C1 | 1 | Casting in 900 ℃ sand mold and air-cooled together | 1580 | 900 |
| 1.25 | Casting in 900 ℃ sand mold and air-cooled together | 1580 | 900 |
| 1.5 | Casting in 900 ℃ sand mold and air-cooled together | 1580 | 900 |
| C2 | 1 | Casting in 25 ℃ sand mold and air-cooled together | 1580 | 900 |
| 1.25 | Casting in 25 ℃ sand mold and air-cooled together | 1580 | 900 |
| 1.5 | Casting in 25 ℃ sand mold and air-cooled together | 1580 | 900 |
), ArticleFig(id=1249065634605244805, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=表1, caption=
浇注实验
, figureFileSmall=null, figureFileBig=null, tableContent=
| Casting | Thickness/mm | Cooling environment | Pouring temperature/℃ | Preheated temperature of shell/℃ |
| C1 | 1 | Casting in 900 ℃ sand mold and air-cooled together | 1580 | 900 |
| 1.25 | Casting in 900 ℃ sand mold and air-cooled together | 1580 | 900 |
| 1.5 | Casting in 900 ℃ sand mold and air-cooled together | 1580 | 900 |
| C2 | 1 | Casting in 25 ℃ sand mold and air-cooled together | 1580 | 900 |
| 1.25 | Casting in 25 ℃ sand mold and air-cooled together | 1580 | 900 |
| 1.5 | Casting in 25 ℃ sand mold and air-cooled together | 1580 | 900 |
), ArticleFig(id=1249065634726879624, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Tab.2, caption=
Secondary dendrite arm spacing at different locations in the casting
, figureFileSmall=null, figureFileBig=null, tableContent=
| Location | Thickness/mm | SDAS/μm |
| Surface | Center |
| C1 | 1 | 12.47 | 16.03 |
| 1.25 | 20.44 | 20.83 |
| 1.5 | 27.00 | 34.46 |
C2
| 1 | 11.98 | 13.08 |
| 1.25 | 19.66 | 22.07 |
| 1.5 | 21.58 | 23.87 |
), ArticleFig(id=1249065634877874573, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=表2, caption=
铸件不同位置的SDAS
, figureFileSmall=null, figureFileBig=null, tableContent=
| Location | Thickness/mm | SDAS/μm |
| Surface | Center |
| C1 | 1 | 12.47 | 16.03 |
| 1.25 | 20.44 | 20.83 |
| 1.5 | 27.00 | 34.46 |
C2
| 1 | 11.98 | 13.08 |
| 1.25 | 19.66 | 22.07 |
| 1.5 | 21.58 | 23.87 |
), ArticleFig(id=1249065635066618258, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Tab.3, caption=
Average grain sizes at different locations in the casting
, figureFileSmall=null, figureFileBig=null, tableContent=
| Casting | Thickness/mm | Average grain size /μm |
| Surface | Center |
| C1 | 1 | 345.1 | 183.3 |
| 1.25 | 430.4 | 245.9 |
| 1.5 | 554.0 | 247.6 |
C2
| 1 | 113.6 | 121.3 |
| 1.25 | 171.0 | 162.7 |
| 1.5 | 332.8 | 212.7 |
), ArticleFig(id=1249065635251167639, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=表3, caption=
铸件不同位置平均晶粒尺寸
, figureFileSmall=null, figureFileBig=null, tableContent=
| Casting | Thickness/mm | Average grain size /μm |
| Surface | Center |
| C1 | 1 | 345.1 | 183.3 |
| 1.25 | 430.4 | 245.9 |
| 1.5 | 554.0 | 247.6 |
C2
| 1 | 113.6 | 121.3 |
| 1.25 | 171.0 | 162.7 |
| 1.5 | 332.8 | 212.7 |
), ArticleFig(id=1249065635393773981, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Tab.4, caption=
γ′ phase sizes and volume fraction of castings
, figureFileSmall=null, figureFileBig=null, tableContent=
| Casting | Thickness/ mm | Phase size/nm | | Volume fraction/% |
| Surface | Center | | Surface | Center |
| C1 | 1 | 55.00 | 50.99 | | 30.41 | 27.66 |
| 1.25 | 61.97 | 59.34 | | 32.72 | 30.00 |
| 1.5 | 72.34 | 61.50 | | 30.79 | 29.95 |
C2
| 1 | 56.42 | 44.66 | | 30.15 | 29.32 |
| 1.25 | 52.57 | 52.97 | | 33.67 | 32.44 |
| 1.5 | 42.22 | 60.52 | | 27.47 | 30.50 |
), ArticleFig(id=1249065635515408801, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=表4, caption=
铸件γ′相尺寸与体积分数
, figureFileSmall=null, figureFileBig=null, tableContent=
| Casting | Thickness/ mm | Phase size/nm | | Volume fraction/% |
| Surface | Center | | Surface | Center |
| C1 | 1 | 55.00 | 50.99 | | 30.41 | 27.66 |
| 1.25 | 61.97 | 59.34 | | 32.72 | 30.00 |
| 1.5 | 72.34 | 61.50 | | 30.79 | 29.95 |
C2
| 1 | 56.42 | 44.66 | | 30.15 | 29.32 |
| 1.25 | 52.57 | 52.97 | | 33.67 | 32.44 |
| 1.5 | 42.22 | 60.52 | | 27.47 | 30.50 |
), ArticleFig(id=1249065635632849320, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Tab.5, caption=
Vickers hardness for different positions of castings
, figureFileSmall=null, figureFileBig=null, tableContent=
| Casting | Thickness/mm | HV |
| Surface | Center |
| C1 | 1 | 467.77 | 437.56 |
| 1.25 | 454.33 | 439.06 |
| 1.5 | 442.31 | 443.52 |
C2
| 1 | 472.35 | 467.79 |
| 1.25 | 455.37 | 452.65 |
| 1.5 | 458.95 | 438.26 |
), ArticleFig(id=1249065635754484141, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=表5, caption=
铸件不同位置维氏硬度
, figureFileSmall=null, figureFileBig=null, tableContent=
| Casting | Thickness/mm | HV |
| Surface | Center |
| C1 | 1 | 467.77 | 437.56 |
| 1.25 | 454.33 | 439.06 |
| 1.5 | 442.31 | 443.52 |
C2
| 1 | 472.35 | 467.79 |
| 1.25 | 455.37 | 452.65 |
| 1.5 | 458.95 | 438.26 |
), ArticleFig(id=1249065635838370225, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Tab.6, caption=
Tensile strength of castings with different thicknesses
, figureFileSmall=null, figureFileBig=null, tableContent=
| Casting | Thickness/mm | Tensile strength/ MPa |
| C1 | 1 | 1100.5 |
| 1.25 | 993.0 |
| 1.5 | 1017.3 |
C2
| 1 | 981.2 |
| 1.25 | 1044.0 |
| 1.5 | 1171.0 |
), ArticleFig(id=1249065635926450612, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=表6, caption=
铸件不同壁厚的抗拉强度
, figureFileSmall=null, figureFileBig=null, tableContent=
| Casting | Thickness/mm | Tensile strength/ MPa |
| C1 | 1 | 1100.5 |
| 1.25 | 993.0 |
| 1.5 | 1017.3 |
C2
| 1 | 981.2 |
| 1.25 | 1044.0 |
| 1.5 | 1171.0 |
), ArticleFig(id=1249065636006142395, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=EN, label=Tab.7, caption=
Cooling rates at different thin-wall locations
, figureFileSmall=null, figureFileBig=null, tableContent=
| Casting | Thickness/mm | Cooling rate/(℃·s−1) |
| Surface | Center |
| C1 | 1 | 28.2 | 26.4 |
| 1.25 | 27.8 | 24.3 |
| 1.5 | 17.6 | 16.0 |
C2
| 1 | 58.5 | 54.6 |
| 1.25 | 47.1 | 41.2 |
| 1.5 | 31.0 | 26.2 |
), ArticleFig(id=1249065636085834173, tenantId=1146029695717560320, journalId=1249024468962553931, articleId=1249065618754970511, language=CN, label=表7, caption=
不同薄板位置的冷却速率
, figureFileSmall=null, figureFileBig=null, tableContent=
| Casting | Thickness/mm | Cooling rate/(℃·s−1) |
| Surface | Center |
| C1 | 1 | 28.2 | 26.4 |
| 1.25 | 27.8 | 24.3 |
| 1.5 | 17.6 | 16.0 |
C2
| 1 | 58.5 | 54.6 |
| 1.25 | 47.1 | 41.2 |
| 1.5 | 31.0 | 26.2 |
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