Article(id=1304921680711807603, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1304921635748864029, articleNumber=null, orderNo=null, doi=10.16790/j.cnki.1009-9239.im.2026.07.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1755705600000, receivedDateStr=2025-08-21, revisedDate=1759161600000, revisedDateStr=2025-09-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1789047172953, onlineDateStr=2026-09-10, pubDate=1784476800000, pubDateStr=2026-07-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789047172953, onlineIssueDateStr=2026-09-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789047172953, creator=13701087609, updateTime=1789047172953, updator=13701087609, issue=Issue{id=1304921635748864029, tenantId=1146029695717560320, journalId=1149653034449285133, year='2026', volume='59', issue='7', pageStart='1', pageEnd='160', issueExtLink='null', onlineDate='null', pubDate='1784476800000', pubDateStr='2026-07-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789047162234, creator='13701087609', updateTime=1789117876219, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1305218231761920521, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1304921635748864029, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1305218231761920522, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1304921635748864029, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=94, endPage=103, ext={EN=ArticleExt(id=1304921680955077236, articleId=1304921680711807603, tenantId=1146029695717560320, journalId=1149653034449285133, language=EN, title=Study on compression modulus characteristics and mechanical life assessment of PVC sheath materials under multi-factor ageing, columnId=1190369198472794288, journalTitle=Insulating Materials, columnName=Insulation Technology, runingTitle=null, highlight=null, articleAbstract=
To address the challenge of on-site, non-destructive, and live assessment of the mechanical life of distribution cable outer sheaths, a thermal ageing platform and a hygrothermal accelerated ageing platform were established in this paper, and the evolution law of the compression modulus of PVC sheaths with ageing time and multi-stress coupling effects was systematically investigated. Based on the changing law of compression modulus, an Arrhenius single-stress ageing model and a Peck hygrothermal coupled ageing model were constructed, and the prediction errors of the two models were compared; meanwhile, an on-site sampling scheme with radial and axial multi-point sampling was proposed. The results show that the compression modulus increases exponentially with ageing time, while the elongation at break decreases rapidly. At 120℃, the degradation rate at 60% relative humidity is significantly higher than that at 40% relative humidity, and the humid environment can further accelerate the rigid-to-flexible transition process of the material. Under hygrothermal environments, the Peck hygrothermal coupled model can significantly reduce the prediction errors compared with the Arrhenius model. The error of radial and axial multi-point sampling on the cable can be reduced to 4.1% compared with the traditional specimen testing.
, authors=Jiahui He, Guoqiang Su, Hejin Liu, Linli Zhang, Pengping Zhang, authorsList=Jiahui He, Guoqiang Su, Hejin Liu, Linli Zhang, Pengping Zhang, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, 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=1304921683727512209, articleId=1304921680711807603, tenantId=1146029695717560320, journalId=1149653034449285133, language=CN, title=多因子老化作用下PVC护套材料压缩模量特性与机械寿命评估研究, columnId=1190369198724452531, journalTitle=绝缘材料, columnName=绝缘技术, runingTitle=null, highlight=null, articleAbstract=
为解决配网电缆外护套机械寿命现场无损、带电评估的难题,本文搭建热老化与湿-热加速老化平台,系统研究了PVC护套压缩模量随老化时间及多应力耦合作用的演变规律。依据压缩模量的变化规律,构建了Arrhenius单应力老化模型与Peck湿热耦合老化模型,并对比了两种模型的预测误差;同时提出了径向与轴向多点采样的现场取点方案。结果表明:压缩模量随老化时间呈指数上升,断裂伸长率则快速下降;在120℃条件下,相对湿度为60%时的劣化速率较相对湿度为40%时显著提高,湿度环境可进一步加速材料的刚柔转变过程;在湿热环境下,Peck湿热耦合模型相较Arrhenius模型可显著降低预测误差。电缆径向与轴向多点采样相比于传统样片测试误差可降至4.1%。
, authors=和家慧, 苏国强, 刘合金, 张林利, 张鹏平, authorsList=和家慧, 苏国强, 刘合金, 张林利, 张鹏平, authorCompany=null, correspAuthors=null, authorNote=
和家慧(1997-),女(汉族),河南许昌人,工程师,主要从事配网运检、配电设备状态评估的研究工作。
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和家慧(1997-),女(汉族),河南许昌人,工程师,主要从事配网运检、配电设备状态评估的研究工作。
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和家慧(1997-),女(汉族),河南许昌人,工程师,主要从事配网运检、配电设备状态评估的研究工作。
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Schematic diagram of indenter modulus test, figureFileSmall=jAF8RgOE/XU8JAgov/ZOCg==, figureFileBig=B45rQJiyv9fNxvjdKgIy4Q==, tableContent=null), ArticleFig(id=1304921686273454779, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=图2, caption=
压缩模量测试原理图, figureFileSmall=jAF8RgOE/XU8JAgov/ZOCg==, figureFileBig=B45rQJiyv9fNxvjdKgIy4Q==, tableContent=null), ArticleFig(id=1304921686348952252, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Fig.3, caption=
Stress-strain curve of the indenter modulus test, figureFileSmall=DSe0O22ZGHv/yddSGGj9Hg==, figureFileBig=oqsBGNoqPEefjnpRKSFTCA==, tableContent=null), ArticleFig(id=1304921686428644029, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=图3, caption=
压缩模量测试应力-应变曲线图, figureFileSmall=DSe0O22ZGHv/yddSGGj9Hg==, figureFileBig=oqsBGNoqPEefjnpRKSFTCA==, tableContent=null), ArticleFig(id=1304921686495752894, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Fig.4, caption=
Schematic diagram of on-site indenter modulus test for cable sheath, figureFileSmall=U9E9DCXRge9jwW1bdeAYCw==, figureFileBig=+oEp60lqt8yrXAr3Q/RCrA==, tableContent=null), ArticleFig(id=1304921686550278847, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=图4, caption=
电缆护套压缩模量现场测试示意图, figureFileSmall=U9E9DCXRge9jwW1bdeAYCw==, figureFileBig=+oEp60lqt8yrXAr3Q/RCrA==, tableContent=null), ArticleFig(id=1304921686613193408, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Fig.5, caption=
Elongation at break of PVC after ageing for different time, figureFileSmall=62jgQ85ApnVrUbUVFOuUmw==, figureFileBig=3L7+Qj7SFT1uoyoVFAJrzg==, tableContent=null), ArticleFig(id=1304921686680302273, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=图5, caption=
老化不同时间PVC的断裂伸长率, figureFileSmall=62jgQ85ApnVrUbUVFOuUmw==, figureFileBig=3L7+Qj7SFT1uoyoVFAJrzg==, tableContent=null), ArticleFig(id=1304921686755799746, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Fig.6, caption=
Indenter modulus of PVC after ageing for different time, figureFileSmall=/5IMtL0RHFGzHpQYwiV+Pw==, figureFileBig=9IDRV/I5UJ9T/jZhsF5cRw==, tableContent=null), ArticleFig(id=1304921686839685827, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=图6, caption=
老化不同时间PVC的压缩模量, figureFileSmall=/5IMtL0RHFGzHpQYwiV+Pw==, figureFileBig=9IDRV/I5UJ9T/jZhsF5cRw==, tableContent=null), ArticleFig(id=1304921686915183300, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Fig.7, caption=
Relationship between indenter modulus and elongation at break of PVC under different ageing temperatures, figureFileSmall=kw15szZHXdPDnh83X5etPg==, figureFileBig=rp3xXUEgactTbq2FaaN3bw==, tableContent=null), ArticleFig(id=1304921687003263685, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=图7, caption=
不同老化温度下PVC的压缩模量和断裂伸长率关系, figureFileSmall=kw15szZHXdPDnh83X5etPg==, figureFileBig=rp3xXUEgactTbq2FaaN3bw==, tableContent=null), ArticleFig(id=1304921687078761158, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Fig.8, caption=
Comparison on indenter modulus of thermally aged PVC under different humidity conditions, figureFileSmall=PiMNVgsqmhqJ4WeyxeajCA==, figureFileBig=WepDXwwYKjtBDXgg/f3Azg==, tableContent=null), ArticleFig(id=1304921687183618759, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=图8, caption=
不同湿度下热老化PVC压缩模量对比, figureFileSmall=PiMNVgsqmhqJ4WeyxeajCA==, figureFileBig=WepDXwwYKjtBDXgg/f3Azg==, tableContent=null), ArticleFig(id=1304921687246533320, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Fig.9, caption=
DSC curves of PVC cable sheath after ageing, figureFileSmall=kfEmMOtJPrnrPPqix1wV2A==, figureFileBig=xoLsAbR3ABaHrEV2Et0WfQ==, tableContent=null), ArticleFig(id=1304921687309447881, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=图9, caption=
PVC电缆护套老化后的DSC曲线, figureFileSmall=kfEmMOtJPrnrPPqix1wV2A==, figureFileBig=xoLsAbR3ABaHrEV2Et0WfQ==, tableContent=null), ArticleFig(id=1304921687380751050, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Fig.10, caption=
TGA curves of PVC cable sheath after ageing, figureFileSmall=MBVJ1umDUlcWBCFjZEdQSg==, figureFileBig=SfeMPEJ12E1v6wHBqoaVTg==, tableContent=null), ArticleFig(id=1304921687452054219, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=图10, caption=
PVC电缆护套老化后的TGA曲线, figureFileSmall=MBVJ1umDUlcWBCFjZEdQSg==, figureFileBig=SfeMPEJ12E1v6wHBqoaVTg==, tableContent=null), ArticleFig(id=1304921687510774476, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Fig.11, caption=
FTIR spectra of PVC cable sheath after ageing, figureFileSmall=pbndhk86QCV1lT67AykOuA==, figureFileBig=Mo6EemoptbW8SzFi1RSDMQ==, tableContent=null), ArticleFig(id=1304921687594660557, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=图11, caption=
PVC电缆护套老化后的FTIR谱图, figureFileSmall=pbndhk86QCV1lT67AykOuA==, figureFileBig=Mo6EemoptbW8SzFi1RSDMQ==, tableContent=null), ArticleFig(id=1304921687678546638, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Fig.12, caption=
Mechanical lifetime curve of PVC material under thermal ageing, figureFileSmall=cPLHOvElx1wTV/hV3rvK2g==, figureFileBig=ayhd8UlKHVkHNLoFQvvFgw==, tableContent=null), ArticleFig(id=1304921687737266895, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=图12, caption=
热老化作用下PVC材料机械寿命曲线, figureFileSmall=cPLHOvElx1wTV/hV3rvK2g==, figureFileBig=ayhd8UlKHVkHNLoFQvvFgw==, tableContent=null), ArticleFig(id=1304921687795987152, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Fig.13, caption=
3D plot of mechanical lifetime of PVC material under hygrothermal ageing, figureFileSmall=r4c2CAN5ab92kwS4IBu1Xw==, figureFileBig=21aOk2QT9rQDgxH+pJO+nw==, tableContent=null), ArticleFig(id=1304921687858901713, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=图13, caption=
湿热老化作用下PVC材料机械寿命三维图, figureFileSmall=r4c2CAN5ab92kwS4IBu1Xw==, figureFileBig=21aOk2QT9rQDgxH+pJO+nw==, tableContent=null), ArticleFig(id=1304921687926010578, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Fig.14, caption=
Comparison chart of noise suppression for sheath stress-strain curve, figureFileSmall=mV3uSeEk4N6Cqd7Vw2OtrQ==, figureFileBig=CHNJi3yiRcHFYCccXAgfyw==, tableContent=null), ArticleFig(id=1304921687980536531, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=图14, caption=
护套应力-应变曲线噪声抑制对比图, figureFileSmall=mV3uSeEk4N6Cqd7Vw2OtrQ==, figureFileBig=CHNJi3yiRcHFYCccXAgfyw==, tableContent=null), ArticleFig(id=1304921688035062484, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Table 1, caption=
Parameter identification results of the Peck model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 老化条件 | 湿度加速指数n | 反应速率系数λ/(×10-3 h-1) | 拟合优度R2 |
|---|
| 120℃、40%相对湿度 | 2.4 | 1.0 | 0.95 |
| 120℃、60%相对湿度 | 2.4 | 2.2 | 0.97 |
), ArticleFig(id=1304921688093782741, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=表1, caption=
Peck模型参数辨识结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 老化条件 | 湿度加速指数n | 反应速率系数λ/(×10-3 h-1) | 拟合优度R2 |
|---|
| 120℃、40%相对湿度 | 2.4 | 1.0 | 0.95 |
| 120℃、60%相对湿度 | 2.4 | 2.2 | 0.97 |
), ArticleFig(id=1304921688148308694, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Table 2, caption=
Comparison of errors between Arrhenius and Peck models
, figureFileSmall=null, figureFileBig=null, tableContent=
| 组别 | 模型 | PM | SN |
|---|
| A | Arrhenius | 6.2% | 8.5% |
| Peck | 5.7% | 6.9% |
| B | Arrhenius | 13.6% | 14.6% |
| Peck | 7.3% | 8.7% |
), ArticleFig(id=1304921688211223255, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=表2, caption=
Arrhenius与Peck模型的误差对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 组别 | 模型 | PM | SN |
|---|
| A | Arrhenius | 6.2% | 8.5% |
| Peck | 5.7% | 6.9% |
| B | Arrhenius | 13.6% | 14.6% |
| Peck | 7.3% | 8.7% |
), ArticleFig(id=1304921688295109336, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=EN, label=Table 3, caption=
Error comparison of indenter modulus tests between single-point measurement and multi-point sampling
, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试方式 | 测试点布置 | 相对PVC样片的误差 | 相对单点测量的误差降幅 |
|---|
| 单点测量 | 单一测试点 | 6.7% | — |
| 多点采样(径向/轴向) | 沿圆周或沿轴向均匀布置10个测试点 | 4.1% | 约40% |
), ArticleFig(id=1304921688571933401, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921680711807603, language=CN, label=表3, caption=
单点测量与多点采样的压缩模量测试误差对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试方式 | 测试点布置 | 相对PVC样片的误差 | 相对单点测量的误差降幅 |
|---|
| 单点测量 | 单一测试点 | 6.7% | — |
| 多点采样(径向/轴向) | 沿圆周或沿轴向均匀布置10个测试点 | 4.1% | 约40% |
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