Article(id=1324392787445166415, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1324392762614882315, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2026.07.001, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1765209600000, receivedDateStr=2025-12-09, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793689446554, onlineDateStr=2026-11-03, pubDate=1784044800000, pubDateStr=2026-07-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793689446554, onlineIssueDateStr=2026-11-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793689446554, creator=13701087609, updateTime=1793689446554, updator=13701087609, issue=Issue{id=1324392762614882315, tenantId=1146029695717560320, journalId=1240685776644648972, year='2026', volume='30', issue='7', pageStart='1041', pageEnd='1220', issueExtLink='null', onlineDate='null', pubDate='1784044800000', pubDateStr='2026-07-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793689440634, creator='13701087609', updateTime=1793689440634, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=1041, endPage=1053, ext={EN=ArticleExt(id=1324392787650687312, articleId=1324392787445166415, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Testing and analysis of typical mechanical properties of sea ice during the Arctic melting period, columnId=1241023037940748650, journalTitle=Journal of Ship Mechanics, columnName=Hydrodynamics, runingTitle=null, highlight=null, articleAbstract=
Accurate determination of the mechanical properties of Arctic sea ice during the melting season is essential for navigation safety assessment in Arctic routes, prediction of ship icebreaking resistance, and ice-load design of polar engineering structures. In this study, uniaxial compression, three-point bending, temperature-salinity-density testing, and microstructural observations were conducted based on laboratory experiments, field trials, and ice-crystal image analysis. The results indicate that, under laboratory conditions, the uniaxial compressive strength of sea ice exhibits a pronounced ductile-to-brittle transition with varying strain rates, and reaches a peak value of 2.41 MPa at approximately 4.8×10−4 s−1. The field results of three-point bending tests revealed a marked layered strength profile along the ice thickness; the central columnar ice exhibited relatively higher strength, whereas the lower layer showed significantly reduced bending strength due to seawater melting and compromised structural integrity. Differences between laboratory and field test results are consistent with the difference in temperature conditions; under the test conditions of this study, ice strength obtained in the low-temperature laboratory environment (−10 ℃) was generally higher than that of field tests. Observations of ice crystals and pores indicated distinct layered microstructural variations within melting-season sea ice, offering microstructural evidence for interpreting the variability of mechanical properties, crack initiation paths, and mechanisms of structural weakening. This study may provide a reference for the selection of mechanical parameters of Arctic sea ice during the melting season and for the cross-validation of laboratory and field test results.
, authors=Chen-xin WANG, Chao-ge YU, Wei-hang ZHAO, Xu-hao GANG, Yu-kui TIAN, authorsList=Chen-xin WANG, Chao-ge YU, Wei-hang ZHAO, Xu-hao GANG, Yu-kui TIAN, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2026 Journal of Ship Mechanics. 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, fund=null), CN=ArticleExt(id=1324392793182974352, articleId=1324392787445166415, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=北极融冰期海冰典型力学特性测试分析, columnId=1241023038087549292, journalTitle=船舶力学, columnName=流体力学, runingTitle=null, highlight=null, articleAbstract=
北极融冰期海冰力学特性的准确获取,是北极航道通航安全评估、船舶破冰阻力预报和极地工程结构抗冰设计的重要基础。本文基于实验室试验、现场试验与冰晶图像识别结果,开展了单轴压缩、三点弯曲、温盐密测试及微观结构观测分析。结果显示:实验室条件下,海冰单轴压缩强度随应变速率变化呈现明显的韧−脆转化特征,在4.8×10−4 s−1附近达到峰值2.41 MPa;现场三点弯曲强度沿厚度方向表现出显著分层特征,中部柱状冰强度相对较高,下层冰受海水融蚀及结构完整性降低影响,弯曲强度明显下降。实验室与现场试验结果存在差异,该差异与温度条件差异相一致;在本文试验条件下,低温实验室环境(−10 ℃)下获得的冰样强度整体较高。冰晶与孔隙观测结果显示,融冰期海冰内部存在明显的层状微结构差异,可为理解力学性能离散性、裂纹萌生路径和结构弱化机制提供微观依据。本文研究可为北极融冰期海冰力学参数选取及实验室−现场试验结果互校提供参考。
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, correspAuthorsNote=null, copyrightStatement=版权所有©《船舶力学》编辑部2026, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=ky4t5mmPiZwv7SuVgiHOfQ==, magXml=BRqf7GaC5RTw2d3AMhSv1A==, pdfUrl=null, pdf=slz/OaXsytsG/HxsrurpXQ==, pdfFileSize=7578476, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=Vq4RWwDsk99zTIAezepJ7A==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=HTc8Fc7NAdCoCz0Qx5Hg4Q==, mapNumber=null, fund=null)}, authors=[Author(id=1324392793468187029, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=wangchenxin@ustc.edu, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1324392793535295895, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, authorId=1324392793468187029, language=EN, stringName=Chen-xin WANG, firstName=Chen-xin, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=China Ship Scientific Research Center, Wuxi 214082, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1324392793606599064, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, authorId=1324392793468187029, language=CN, stringName=王琛鑫, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=中国船舶科学研究中心,江苏 无锡 214082, bio={"content":"
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Sea ice sample collection site, figureFileSmall=s9ZrIDU3TlPMxOYgPq3Y8g==, figureFileBig=Vq4RWwDsk99zTIAezepJ7A==, tableContent=null), ArticleFig(id=1324392796962042294, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图1, caption=
海冰样本取样点, figureFileSmall=s9ZrIDU3TlPMxOYgPq3Y8g==, figureFileBig=Vq4RWwDsk99zTIAezepJ7A==, tableContent=null), ArticleFig(id=1324392797188534711, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Fig.2, caption=
Ice crystal observation samples, figureFileSmall=LbLLbtw3d/c/Y+8lpu1wRg==, figureFileBig=exhYSdaX4mIjJzIESHc7uA==, tableContent=null), ArticleFig(id=1324392797272420792, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图2, caption=
冰晶观测样本, figureFileSmall=LbLLbtw3d/c/Y+8lpu1wRg==, figureFileBig=exhYSdaX4mIjJzIESHc7uA==, tableContent=null), ArticleFig(id=1324392797364695481, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Fig.3, caption=
Statistical results of sea ice microstructure in the horizontal direction, figureFileSmall=ebCL4mLFw4LdKjCPB1YKJw==, figureFileBig=WSr3BisPTUDaiMYOhjrMzw==, tableContent=null), ArticleFig(id=1324392797456970170, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图3, caption=
海冰微结构水平方向统计结果, figureFileSmall=ebCL4mLFw4LdKjCPB1YKJw==, figureFileBig=WSr3BisPTUDaiMYOhjrMzw==, tableContent=null), ArticleFig(id=1324392797536661947, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Fig.4, caption=
Statistical results of sea ice microstructure in the vertical direction, figureFileSmall=JMcPzGEqFo9Rq3uou0CQCg==, figureFileBig=oAW/MVYXhYImgDlLoKIMkg==, tableContent=null), ArticleFig(id=1324392797620548028, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图4, caption=
海冰微结构垂直方向统计结果, figureFileSmall=JMcPzGEqFo9Rq3uou0CQCg==, figureFileBig=oAW/MVYXhYImgDlLoKIMkg==, tableContent=null), ArticleFig(id=1324392797700239805, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Fig.5, caption=
Ice sample preparation for uniaxial compression tests, figureFileSmall=+3iYqeRaiZX532MMJRqrUA==, figureFileBig=t5lq44a7EEBnt86QyR2vvg==, tableContent=null), ArticleFig(id=1324392797813486014, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图5, caption=
单轴压缩试验的冰样本处理, figureFileSmall=+3iYqeRaiZX532MMJRqrUA==, figureFileBig=t5lq44a7EEBnt86QyR2vvg==, tableContent=null), ArticleFig(id=1324392797888983487, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Fig.6, caption=
Schematic diagram of the loading configurations of three-point bending test, figureFileSmall=bilLSur7WMEz2rHrd41I/g==, figureFileBig=fuyndCPtH66lQRINMIPBKA==, tableContent=null), ArticleFig(id=1324392797972869568, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图6, caption=
三点弯曲实验加载示意图, figureFileSmall=bilLSur7WMEz2rHrd41I/g==, figureFileBig=fuyndCPtH66lQRINMIPBKA==, tableContent=null), ArticleFig(id=1324392798060949953, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Fig.7, caption=
Stress-strain curves of ice specimens under different loading rates, figureFileSmall=6RtNG93sExRXAcbgVL80ag==, figureFileBig=QKrtzsYiEzE4pw2ouQXyXQ==, tableContent=null), ArticleFig(id=1324392798136447426, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图7, caption=
不同应变速率下冰样应力−应变曲线, figureFileSmall=6RtNG93sExRXAcbgVL80ag==, figureFileBig=QKrtzsYiEzE4pw2ouQXyXQ==, tableContent=null), ArticleFig(id=1324392798220333507, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Fig.8, caption=
Failure modes of ice specimens under different loading rates, figureFileSmall=dhnjpBK+PUizv+eumuiiZw==, figureFileBig=h3o0wrCgDmkn9+dXTZHk2A==, tableContent=null), ArticleFig(id=1324392798304219588, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图8, caption=
不同加载速率下冰样的破坏形式, figureFileSmall=dhnjpBK+PUizv+eumuiiZw==, figureFileBig=h3o0wrCgDmkn9+dXTZHk2A==, tableContent=null), ArticleFig(id=1324392798388105669, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Fig.9, caption=
Strength-displacement curve and failure mode of the three-point bending test, figureFileSmall=mHujPWChkUXOsWi3KBJTFw==, figureFileBig=N55nmhHcR/f0e0CQ//cRYg==, tableContent=null), ArticleFig(id=1324392798467797446, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图9, caption=
三点弯曲试验强度−位移曲线与破坏形式, figureFileSmall=mHujPWChkUXOsWi3KBJTFw==, figureFileBig=N55nmhHcR/f0e0CQ//cRYg==, tableContent=null), ArticleFig(id=1324392798560072135, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Fig.10, caption=
Physical properties of field-tested sea ice, figureFileSmall=CRG7Y12l4gWAbT+5OD5VPw==, figureFileBig=Y7yCYo6c3jYGSjB9A2Itkw==, tableContent=null), ArticleFig(id=1324392798631375304, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图10, caption=
现场试验海冰的物理性质, figureFileSmall=CRG7Y12l4gWAbT+5OD5VPw==, figureFileBig=Y7yCYo6c3jYGSjB9A2Itkw==, tableContent=null), ArticleFig(id=1324392798706872777, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Fig.11, caption=
Field uniaxial compression test, figureFileSmall=Xfbb3n4xvKnx8qLiNF7iRA==, figureFileBig=BjrmRbz4bo2s/uh6iNlcXw==, tableContent=null), ArticleFig(id=1324392798815924682, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图11, caption=
现场单轴压缩试验, figureFileSmall=Xfbb3n4xvKnx8qLiNF7iRA==, figureFileBig=BjrmRbz4bo2s/uh6iNlcXw==, tableContent=null), ArticleFig(id=1324392798895616459, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Fig.12, caption=
Strain rate-compressive strength curve of ice samples, figureFileSmall=kijYQdmTX/cdgPqGIfVdoQ==, figureFileBig=mE4XHhTRnFAPUEUZ501qyQ==, tableContent=null), ArticleFig(id=1324392798958531020, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图12, caption=
冰样本的应变速率−压缩强度曲线, figureFileSmall=kijYQdmTX/cdgPqGIfVdoQ==, figureFileBig=mE4XHhTRnFAPUEUZ501qyQ==, tableContent=null), ArticleFig(id=1324392799021445581, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Fig.13, caption=
Field three-point bending test, figureFileSmall=4kNDyJxUemnNP/EHSqWcBA==, figureFileBig=8e/HQeQYBRvwrvOUNc5WpA==, tableContent=null), ArticleFig(id=1324392799092748750, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图13, caption=
现场三点弯曲试验, figureFileSmall=4kNDyJxUemnNP/EHSqWcBA==, figureFileBig=8e/HQeQYBRvwrvOUNc5WpA==, tableContent=null), ArticleFig(id=1324392799172440527, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Fig.14, caption=
Variation of sea ice flexural strength with ice layer, figureFileSmall=+g9c5eyFmZshldifV9lIMg==, figureFileBig=0U7YIPd3f+UX4Na4KlHg1w==, tableContent=null), ArticleFig(id=1324392799264715216, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图14, caption=
海冰弯曲强度随冰层变化, figureFileSmall=+g9c5eyFmZshldifV9lIMg==, figureFileBig=0U7YIPd3f+UX4Na4KlHg1w==, tableContent=null), ArticleFig(id=1324392799348601297, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Fig.15, caption=
Strength comarison between lab and field tests for three-point bending, figureFileSmall=NcY4cxVHieczTXLvvt6MIw==, figureFileBig=x9HPIEtNAv41FpqXnHQpjA==, tableContent=null), ArticleFig(id=1324392799436681682, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=图15, caption=
实验室与现场三点弯曲试验强度对比, figureFileSmall=NcY4cxVHieczTXLvvt6MIw==, figureFileBig=x9HPIEtNAv41FpqXnHQpjA==, tableContent=null), ArticleFig(id=1324392799499596243, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Tab.1, caption=
Table of test types and working conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验类型 | 样本数量 | 试验设备(方法) | 样本尺寸/长×宽×高(mm) | 加载速率 /(mm·min−1) |
| 单轴压缩 | 14 | 材料试验机 | 70×70×175 | 0.1~500 |
| 三点弯曲 | 3 | 材料试验机 | 300×80×40 | 200 |
| 冰晶观测 | 8 | 偏振光成像/Cellpose图像识别 | 约1 mm厚度薄片 | — |
), ArticleFig(id=1324392799579288020, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=表1, caption=
试验类型及工况表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验类型 | 样本数量 | 试验设备(方法) | 样本尺寸/长×宽×高(mm) | 加载速率 /(mm·min−1) |
| 单轴压缩 | 14 | 材料试验机 | 70×70×175 | 0.1~500 |
| 三点弯曲 | 3 | 材料试验机 | 300×80×40 | 200 |
| 冰晶观测 | 8 | 偏振光成像/Cellpose图像识别 | 约1 mm厚度薄片 | — |
), ArticleFig(id=1324392801265398229, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Tab.2, caption=
Test results of laboratory uniaxial compression
, figureFileSmall=null, figureFileBig=null, tableContent=
| 加载速率 /(mm·min−1) | 应变速率 /s−1 | 平均压缩强度 /MPa | 破坏形式 |
| 500 | 4.8×10−2 | 1.01 | 脆性 |
| 50 | 4.8×10−3 | 0.97 | 脆性 |
| 5 | 4.8×10−4 | 2.41 | 韧−脆转化 |
| 1 | 9.5×10−5 | 1.11 | 韧性 |
| 0.1 | 9.5×10−6 | 0.646 | 韧性 |
), ArticleFig(id=1324392801357672918, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=表2, caption=
实验室单轴压缩试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 加载速率 /(mm·min−1) | 应变速率 /s−1 | 平均压缩强度 /MPa | 破坏形式 |
| 500 | 4.8×10−2 | 1.01 | 脆性 |
| 50 | 4.8×10−3 | 0.97 | 脆性 |
| 5 | 4.8×10−4 | 2.41 | 韧−脆转化 |
| 1 | 9.5×10−5 | 1.11 | 韧性 |
| 0.1 | 9.5×10−6 | 0.646 | 韧性 |
), ArticleFig(id=1324392801466724823, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Tab.3, caption=
Test results of three-point bending ice specimens
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 最大破坏位移/mm | 弯曲强度/MPa | 杨氏模量/MPa |
| 1 | 2.31 | 1.29 | 210.5 |
| 2 | 2.53 | 1.09 | 176.1 |
| 3 | 1.76 | 0.80 | 181.9 |
), ArticleFig(id=1324392801617719768, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=表3, caption=
三点弯曲冰样试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 最大破坏位移/mm | 弯曲强度/MPa | 杨氏模量/MPa |
| 1 | 2.31 | 1.29 | 210.5 |
| 2 | 2.53 | 1.09 | 176.1 |
| 3 | 1.76 | 0.80 | 181.9 |
), ArticleFig(id=1324392801739354585, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=EN, label=Tab.4, caption=
Test results of field
, figureFileSmall=null, figureFileBig=null, tableContent=
| 加载速率 /(mm·min−1) | 应变速率 /s−1 | 平均压缩强度 /MPa | 破坏形式 |
| 45 | 3.75×10−3 | 1.46 | 脆性 |
| 30 | 2.5×10−3 | 1.77 | 韧−脆转化 |
| 15 | 1.25×10−3 | 1.54 | 韧性 |
| 6 | 5×10−4 | 1.49 | 韧性 |
| 3 | 2.5×10−4 | 1.53 | 韧性 |
), ArticleFig(id=1324392801873572314, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392787445166415, language=CN, label=表4, caption=
现场试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 加载速率 /(mm·min−1) | 应变速率 /s−1 | 平均压缩强度 /MPa | 破坏形式 |
| 45 | 3.75×10−3 | 1.46 | 脆性 |
| 30 | 2.5×10−3 | 1.77 | 韧−脆转化 |
| 15 | 1.25×10−3 | 1.54 | 韧性 |
| 6 | 5×10−4 | 1.49 | 韧性 |
| 3 | 2.5×10−4 | 1.53 | 韧性 |
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