Article(id=1153756966447997726, tenantId=1146029695717560320, journalId=1152916057816748034, issueId=1153756963994329869, articleNumber=null, orderNo=null, doi=10.3969/j.issn.2095‒1469.2025.02.11, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1700668800000, receivedDateStr=2023-11-23, revisedDate=1704038400000, revisedDateStr=2024-01-01, acceptedDate=null, acceptedDateStr=null, onlineDate=1753006696569, onlineDateStr=2025-07-20, pubDate=1742400000000, pubDateStr=2025-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753006696569, onlineIssueDateStr=2025-07-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753006696569, creator=13701087609, updateTime=1753006696569, updator=13701087609, issue=Issue{id=1153756963994329869, tenantId=1146029695717560320, journalId=1152916057816748034, year='2025', volume='15', issue='2', pageStart='125', pageEnd='262', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753006695984, creator=13701087609, updateTime=1757654146268, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1173249783352410923, tenantId=1146029695717560320, journalId=1152916057816748034, issueId=1153756963994329869, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1173249783352410924, tenantId=1146029695717560320, journalId=1152916057816748034, issueId=1153756963994329869, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=235, endPage=244, ext={EN=ArticleExt(id=1153756967014228770, articleId=1153756966447997726, tenantId=1146029695717560320, journalId=1152916057816748034, language=EN, title=Development and Evaluation of Strain Rate-Dependent Constitutive Models for Servo Stamping Simulation, columnId=1153756966938731297, journalTitle=Chinese Journal of Automotive Engineering, columnName=Other Technologies, runingTitle=null, highlight=null, articleAbstract=
The slide movement pattern of traditional mechanical presses is relatively fixed, and quasi-static stamping simulations usually ignore the effect of strain rate. In contrast, servo presses feature a flexible slide stroke and adjustable stamping speed; thus, a material constitutive model that includes the strain rate effect is necessary to achieve accurate servo stamping simulations. To address the limitation of obtaining the stress-strain curves at only a finite number of strain rates through tensile tests, this paper analyzed and evaluated the strain rate-sensitive models, including the power law model, linear power law model, Johnson-Cook model and Cowper-Symonds model, using DDQ steel test data for model fitting as an example. Curve fitting is performed for segmented strain range and grouped strain rates, the parameter identification methods in each model are constructed and the applicability of each model in finite element software is discussed. The results provide guidance for selecting an appropriate constitutive model for servo stamping simulations.
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传统机械压机的滑块移动模式相对固定,准静态问题的冲压仿真通常忽略应变率的影响。而伺服压机的滑块行程灵活,冲压速度可调,因此,精确的伺服冲压仿真需要含应变率的材料本构模型。为解决通过拉伸试验只能获得有限数量应变率下的应力-应变曲线的问题,以DDQ钢的试验数据拟合为例,分析评价了幂律模型、线性幂律模型、Johnson-Cook模型和Cowper-Symonds模型等应变率敏感模型。对分段应变范围和分组应变率进行曲线拟合,构建了各模型中参数的识别方法,并讨论了各模型在有限元软件中的适用性。研究结果可以帮助用户选择合适的本构模型进行伺服冲压仿真。
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1 合众新能源汽车股份有限公司,浙江,嘉兴 314500, bio={"img":"RR/YErAYgMssjevuh7QboA==","content":"
戴大力(1969-),男,河北丰润人,硕士,高级工程师,主要研究方向为新能源汽车整车开发。 E-mail:daidali@hozonauto.com
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戴大力(1969-),男,河北丰润人,硕士,高级工程师,主要研究方向为新能源汽车整车开发。 E-mail:daidali@hozonauto.com
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48(12):57-62.(in Chinese), articleTitle=Research on Stamping Process and Springback for Corrugated Plate Based on Servo Press, refAbstract=null)], funds=[Fund(id=1175545874416550554, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, awardId=51775160, language=CN, fundingSource=国家自然科学基金项目(51775160), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1175545871119827553, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, xref=1, ext=[AuthorCompanyExt(id=1175545871124021858, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, companyId=1175545871119827553, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 Hozon New Energy Automobile Co.,Ltd.,Jiaxing 314500,Zhejiang,China), AuthorCompanyExt(id=1175545871132410467, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, companyId=1175545871119827553, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 合众新能源汽车股份有限公司,浙江,嘉兴 314500)]), AuthorCompany(id=1175545871191130724, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, xref=2, ext=[AuthorCompanyExt(id=1175545871195325029, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, companyId=1175545871191130724, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 Dalian University of Technology,Dalian 116024,Liaoning,China), AuthorCompanyExt(id=1175545871203713638, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, companyId=1175545871191130724, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 大连理工大学,辽宁,大连 116024)])], figs=[ArticleFig(id=1175545872269066874, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=EN, label=null, caption=null, figureFileSmall=Xbd8jVXHIER1KbiB2DoExg==, figureFileBig=gIHeqWkTpntesGwZ/o/0oQ==, tableContent=null), ArticleFig(id=1175545872331981435, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=CN, label=图1, caption=
不同材料的应变率效应, figureFileSmall=Xbd8jVXHIER1KbiB2DoExg==, figureFileBig=gIHeqWkTpntesGwZ/o/0oQ==, tableContent=null), ArticleFig(id=1175545872386507388, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=EN, label=null, caption=null, figureFileSmall=b+ZNX+WL1F2hjZnQSsUyzA==, figureFileBig=0s5DxGWay8iQFlxtMKhRew==, tableContent=null), ArticleFig(id=1175545872449421949, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=CN, label=图2, caption=
应变速率对流动应力的4类影响, figureFileSmall=b+ZNX+WL1F2hjZnQSsUyzA==, figureFileBig=0s5DxGWay8iQFlxtMKhRew==, tableContent=null), ArticleFig(id=1175545872503947902, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=EN, label=null, caption=null, figureFileSmall=rse+V4XwTFeLCAHXSxBtkQ==, figureFileBig=KIEEFgwt90rxscUZbX4hQQ==, tableContent=null), ArticleFig(id=1175545872562668159, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=CN, label=图3, caption=
根据幂律模型计算出的与速率无关的应力-应变曲线, figureFileSmall=rse+V4XwTFeLCAHXSxBtkQ==, figureFileBig=KIEEFgwt90rxscUZbX4hQQ==, tableContent=null), ArticleFig(id=1175545872654942848, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=EN, label=null, caption=null, figureFileSmall=oYk9gubCRsb407anvRux4g==, figureFileBig=V/05ANvtQSxTat59Agr0fA==, tableContent=null), ArticleFig(id=1175545872717857409, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=CN, label=图4, caption=
用幂律模型缩放整个流动曲线的拟合曲线(虚线)和实测曲线(实线), figureFileSmall=oYk9gubCRsb407anvRux4g==, figureFileBig=V/05ANvtQSxTat59Agr0fA==, tableContent=null), ArticleFig(id=1175545872780771970, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=EN, label=null, caption=null, figureFileSmall=3UvjG0N+Jn2X1JLDW/k4UA==, figureFileBig=eXjkznKavcFpBG/SQq2ITQ==, tableContent=null), ArticleFig(id=1175545872847880835, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=CN, label=图5, caption=
用幂律模型缩放初始屈服应力的拟合曲线(虚线)和实测曲线(实线), figureFileSmall=3UvjG0N+Jn2X1JLDW/k4UA==, figureFileBig=eXjkznKavcFpBG/SQq2ITQ==, tableContent=null), ArticleFig(id=1175545872961127044, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=EN, label=null, caption=null, figureFileSmall=St2/CgQgU5otxAgZauTPKw==, figureFileBig=rFn3Hq3JGVU4Oo6HZHKq9A==, tableContent=null), ArticleFig(id=1175545873019847301, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=CN, label=图6, caption=
根据线性幂律模型计算出的与速率无关的应力-应变曲线, figureFileSmall=St2/CgQgU5otxAgZauTPKw==, figureFileBig=rFn3Hq3JGVU4Oo6HZHKq9A==, tableContent=null), ArticleFig(id=1175545873082761862, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=EN, label=null, caption=null, figureFileSmall=xHtJhKUAFag87Q/4ouBQlA==, figureFileBig=tjRc+8EYI4K+iTwkHkZJsw==, tableContent=null), ArticleFig(id=1175545873137287815, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=CN, label=图7, caption=
用线性幂律模型缩放整个流动曲线的拟合曲线(虚线)和实测曲线(实线), figureFileSmall=xHtJhKUAFag87Q/4ouBQlA==, figureFileBig=tjRc+8EYI4K+iTwkHkZJsw==, tableContent=null), ArticleFig(id=1175545873204396680, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=EN, label=null, caption=null, figureFileSmall=WBxEuVscfsaXw7+22g000Q==, figureFileBig=cO9TOtEB26KoZZxVCz1Tdw==, tableContent=null), ArticleFig(id=1175545873263116937, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=CN, label=图8, caption=
用线性幂律模型缩放初始屈服应力的拟合曲线(虚线)和实测曲线(实线), figureFileSmall=WBxEuVscfsaXw7+22g000Q==, figureFileBig=cO9TOtEB26KoZZxVCz1Tdw==, tableContent=null), ArticleFig(id=1175545873321837194, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=EN, label=null, caption=null, figureFileSmall=p+98GW2txjmu+It/GMgDwg==, figureFileBig=uMuEbm9a03JPjcp5x5rxOQ==, tableContent=null), ArticleFig(id=1175545873384751755, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=CN, label=图9, caption=
用Johnson-Cook模型缩放初始屈服应力的拟合曲线(虚线)和实测曲线(实线), figureFileSmall=p+98GW2txjmu+It/GMgDwg==, figureFileBig=uMuEbm9a03JPjcp5x5rxOQ==, tableContent=null), ArticleFig(id=1175545873460249228, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=EN, label=null, caption=null, figureFileSmall=K/todhMVFCTdHS/MkUlA9A==, figureFileBig=CX1m8vsYcRg1wlEIuCT77w==, tableContent=null), ArticleFig(id=1175545873527358093, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=CN, label=图10, caption=
用Johnson-Cook修正模型缩放初始屈服应力的拟合曲线(虚线)和实测曲线(实线), figureFileSmall=K/todhMVFCTdHS/MkUlA9A==, figureFileBig=CX1m8vsYcRg1wlEIuCT77w==, tableContent=null), ArticleFig(id=1175545873590272654, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=EN, label=null, caption=null, figureFileSmall=6375RAH4ruB7lSnx11F6xA==, figureFileBig=vjC0OFUQivJw+x69GCsDOg==, tableContent=null), ArticleFig(id=1175545873644798607, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=CN, label=图11, caption=
根据Cowper-Symonds模型计算出的速率无关应力-应变曲线, figureFileSmall=6375RAH4ruB7lSnx11F6xA==, figureFileBig=vjC0OFUQivJw+x69GCsDOg==, tableContent=null), ArticleFig(id=1175545873707713168, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=EN, label=null, caption=null, figureFileSmall=3qTXh9wP3W+SxhTaM6QQlA==, figureFileBig=Rtolmr95lnoJpV/Bt97bFg==, tableContent=null), ArticleFig(id=1175545873770627729, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=CN, label=图12, caption=
用Cowper-Symonds模型缩放初始屈服应力的拟合曲线(虚线)和实测曲线(实线), figureFileSmall=3qTXh9wP3W+SxhTaM6QQlA==, figureFileBig=Rtolmr95lnoJpV/Bt97bFg==, tableContent=null), ArticleFig(id=1175545873833542290, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| | 低应变 | 中应变 | 高应变 | 全应变 |
| (0.000 1,0.001) | 0.010 18 | 0.010 18 | 0.010 18 | 0.010 18 |
| (0.001,0.01) | 0.019 91 | 0.016 33 | 0.012 70 | 0.015 83 |
| (0.01,0.1) | 0.023 80 | 0.016 28 | 0.011 85 | 0.016 48 |
), ArticleFig(id=1175545873892262547, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=CN, label=表1, caption=
幂律模型中应变率敏感性参数值
, figureFileSmall=null, figureFileBig=null, tableContent=
| | 低应变 | 中应变 | 高应变 | 全应变 |
| (0.000 1,0.001) | 0.010 18 | 0.010 18 | 0.010 18 | 0.010 18 |
| (0.001,0.01) | 0.019 91 | 0.016 33 | 0.012 70 | 0.015 83 |
| (0.01,0.1) | 0.023 80 | 0.016 28 | 0.011 85 | 0.016 48 |
), ArticleFig(id=1175545873955177108, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153756966447997726, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| | 低应变区间 | 中应变区间 | 高应变区间 | 全应变区间 |
| (0.000 1,0.001) | m1=0.063 14 m2=0.003 28 | m1=0.063 14 m2=0.003 28 | m1=0.063 14 m2=0.003 28 | m1=0.063 14 m2=0.003 28 |
| (0.001,0.01) | m1=0.041 46 m2=0.001 87 | m1=0.028 92 m2=0.001 09 | m1=0.032 10 m2=0.001 68 | m1=0.038 66 m2=0.001 98 |
| (0.01,0.1) | m1=0.043 80 m2=0.002 89 | m1=0.036 56 m2=0.002 94 | m1=0.034 35 m2=0.003 26 | m1=0.040 14 m2=0.003 42 |
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线性幂律模型中应变率敏感性参数值
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| | 低应变区间 | 中应变区间 | 高应变区间 | 全应变区间 |
| (0.000 1,0.001) | m1=0.063 14 m2=0.003 28 | m1=0.063 14 m2=0.003 28 | m1=0.063 14 m2=0.003 28 | m1=0.063 14 m2=0.003 28 |
| (0.001,0.01) | m1=0.041 46 m2=0.001 87 | m1=0.028 92 m2=0.001 09 | m1=0.032 10 m2=0.001 68 | m1=0.038 66 m2=0.001 98 |
| (0.01,0.1) | m1=0.043 80 m2=0.002 89 | m1=0.036 56 m2=0.002 94 | m1=0.034 35 m2=0.003 26 | m1=0.040 14 m2=0.003 42 |
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| | 低应变区间 | 中应变区间 | 高应变区间 | 全应变区间 |
| (0.000 1,0.001) | m1=0.624 0 m2=0.190 6 | m1=0.624 0 m2=0.190 6 | m1=0.624 0 m2=0.190 6 | m1=0.624 0 m2=0.190 6 |
| (0.001,0.01) | m1=0.060 9 m2=0.594 8 | m1=0.064 5 m2=0.574 5 | m1=0.068 9 m2=0.550 9 | m1=0.055 3 m2=0.521 4 |
| (0.01,0.1) | m1=0.186 9 m2=0.021 7 | m1=0.195 9 m2=0.205 9 | m1=0.202 4 m2=0.196 5 | m1=0.248 6 m2=0.280 0 |
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Cowper-Symonds模型应变率敏感性参数值
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| | 低应变区间 | 中应变区间 | 高应变区间 | 全应变区间 |
| (0.000 1,0.001) | m1=0.624 0 m2=0.190 6 | m1=0.624 0 m2=0.190 6 | m1=0.624 0 m2=0.190 6 | m1=0.624 0 m2=0.190 6 |
| (0.001,0.01) | m1=0.060 9 m2=0.594 8 | m1=0.064 5 m2=0.574 5 | m1=0.068 9 m2=0.550 9 | m1=0.055 3 m2=0.521 4 |
| (0.01,0.1) | m1=0.186 9 m2=0.021 7 | m1=0.195 9 m2=0.205 9 | m1=0.202 4 m2=0.196 5 | m1=0.248 6 m2=0.280 0 |
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| 应变率0.001 s-1/% | 应变率0.01 s-1/% | 应变率0.1 s-1/% | 平均值/% |
| Power-Law (linear) | 0.909 7 | 0.839 1 | 0.533 8 | 0.760 9 |
| Johnson-Cook (mod) | 0.902 9 | 0.835 9 | 0.533 7 | 0.757 5 |
| Cowper-Symonds | 1.038 7 | 0.945 2 | 0.539 6 | 0.841 2 |
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不同模型预测应力-应变曲线的误差百分比
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| 应变率0.001 s-1/% | 应变率0.01 s-1/% | 应变率0.1 s-1/% | 平均值/% |
| Power-Law (linear) | 0.909 7 | 0.839 1 | 0.533 8 | 0.760 9 |
| Johnson-Cook (mod) | 0.902 9 | 0.835 9 | 0.533 7 | 0.757 5 |
| Cowper-Symonds | 1.038 7 | 0.945 2 | 0.539 6 | 0.841 2 |
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