Article(id=1241838553404080938, tenantId=1146029695717560320, journalId=1241755870837649424, issueId=1241838547544641612, articleNumber=null, orderNo=null, doi=10.19636/j.cnki.cjsm42-1250/o3.2024.061, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1734278400000, receivedDateStr=2024-12-16, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1774006983367, onlineDateStr=2026-03-20, pubDate=1745337600000, pubDateStr=2025-04-23, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1774006983367, onlineIssueDateStr=2026-03-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774006983367, creator=13701087609, updateTime=1774006983367, updator=13701087609, issue=Issue{id=1241838547544641612, tenantId=1146029695717560320, journalId=1241755870837649424, year='2025', volume='46', issue='2', pageStart='149', pageEnd='296', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1774006981978, creator=13701087609, updateTime=1774007061443, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241838880882758461, tenantId=1146029695717560320, journalId=1241755870837649424, issueId=1241838547544641612, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241838880882758462, tenantId=1146029695717560320, journalId=1241755870837649424, issueId=1241838547544641612, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=218, endPage=229, ext={EN=ArticleExt(id=1241838553680905004, articleId=1241838553404080938, tenantId=1146029695717560320, journalId=1241755870837649424, language=EN, title=Investigation on Quasi-static Fracture Propagation of Dissimilar Metal Welds in Special Vehicles at Different Temperatures, columnId=1241831201674171363, journalTitle=Chinese Journal of Solid Mechanics, columnName=Research Papers, runingTitle=null, highlight=null, articleAbstract=
Dissimilar metal welds in special vehicles and equipment are essential parts that significantly influence their performance. This study focuses on how different working temperatures affect crack propagation behavior in these welds. The research employs the extended finite element method (XFEM) as its numerical analysis tool. By refining the local mesh at the crack tip, it avoids complex crack-tip field enhancement function found in traditional methods. Temperature effects are integrated into the interaction integral, and its form is simplified to isolate terms related to material properties and temperature. The method for extracting mode I and mode II stress intensity factors is provided. Thus, a numerical calculation method for the stress intensity factor at the crack tip of dissimilar metal welds in special vehicles has been established. Taking a two-dimensional infinite plate with a crack as an example, stress intensity factors are calculated under various temperature loads and crack lengths and compared with the analytical solution. It is found that the relative error between the two is less than 1.3%, and changes in different integration regions have minimal impact on results. The correctness and integral region independence of this method have been verified. Then, based on the maximum circumferential stress criterion and the above research content, a quasi-static crack growth numerical simulation method is established for different temperatures. Simulations are conducted at low, normal, and high temperatures to examine crack propagation paths at various locations. Initial crack growth angles and paths reveal that crack propagation in the welding zone is predominantly mode I at normal temperatures. However, low and high temperatures have opposite effects on crack direction. Additionally, cracks may propagate across weld boundaries. This finding significantly advances the prediction of performance at different working temperatures in dissimilar metal welds of special vehicles and provides crucial guidance for durability and safety design in engineering applications.
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特种车辆设备中的异种金属焊接件是影响其使用性能的关键部位,而且不同的工作温度也会对裂纹的断裂行为产生不同的影响. 为了研究温度对异种金属焊接件准静态断裂扩展的影响,本文以细化裂纹尖端网格的扩展有限元为基础,利用考虑热载荷作用下的相互作用积分,构建了热载荷作用下焊接区域裂纹尖端应力强度因子的计算方法和对不同温度下裂纹准静态扩展路径的模拟方法,并与解析解对比证明了应力强度因子计算方法的正确性和积分区域无关性. 本文研究对于特种车辆的使用性能预测具有十分重要的工程意义.
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Finite element model of functionally graded rectangular plate under thermal load, figureFileSmall=aX2FfLgKYqAo+4yIaA7sOQ==, figureFileBig=chE3yXIZg/n4zLr6roSuYQ==, tableContent=null), ArticleFig(id=1241838577299030359, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=CN, label=图5, caption=
热载荷作用下功能梯度矩形板有限元模型, figureFileSmall=aX2FfLgKYqAo+4yIaA7sOQ==, figureFileBig=chE3yXIZg/n4zLr6roSuYQ==, tableContent=null), ArticleFig(id=1241838577378722139, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=EN, label=Fig.6, caption=
Comparison of simulation results with reference solutions, figureFileSmall=XaSHZ4PicXvVNW6R1uOBpQ==, figureFileBig=bdxqsTrrlWvBXD/I6KcW6w==, tableContent=null), ArticleFig(id=1241838577491968351, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=CN, label=图6, caption=
本文仿真结果与参考解对比情况, figureFileSmall=XaSHZ4PicXvVNW6R1uOBpQ==, figureFileBig=bdxqsTrrlWvBXD/I6KcW6w==, tableContent=null), ArticleFig(id=1241838578989334882, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=EN, label=Fig.7, caption=
Calculation results of different integration region, figureFileSmall=pS3s57U0Rbu5Najuh98o/w==, figureFileBig=L1MPewJxoDIRoFEX/N6acA==, tableContent=null), ArticleFig(id=1241838579077415269, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=CN, label=图7, caption=
不同积分区域计算结果, figureFileSmall=pS3s57U0Rbu5Najuh98o/w==, figureFileBig=L1MPewJxoDIRoFEX/N6acA==, tableContent=null), ArticleFig(id=1241838579157107047, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=EN, label=Fig.8, caption=
Determination method of crack propagation path, figureFileSmall=YSgpo1mDe/JiJGv4IBBenQ==, figureFileBig=hFwl6kWx+e/kkgujnQuFUA==, tableContent=null), ArticleFig(id=1241838579261964650, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=CN, label=图8, caption=
裂纹扩展路径确定方法, figureFileSmall=YSgpo1mDe/JiJGv4IBBenQ==, figureFileBig=hFwl6kWx+e/kkgujnQuFUA==, tableContent=null), ArticleFig(id=1241838579354239341, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=EN, label=Fig.9, caption=
Distribution of material properties of rectangular plate in weld zone, figureFileSmall=Jf7UVEnhTax6RaHoqMcz+A==, figureFileBig=erpCq1JY2xk0AfNfsDxKqA==, tableContent=null), ArticleFig(id=1241838579450708338, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=CN, label=图9, caption=
焊缝区矩形板材料属性分布情况, figureFileSmall=Jf7UVEnhTax6RaHoqMcz+A==, figureFileBig=erpCq1JY2xk0AfNfsDxKqA==, tableContent=null), ArticleFig(id=1241838579580731765, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=EN, label=Fig.10, caption=
Crack 1 grid diagram and quasi-static expansion path, figureFileSmall=WHlOPW9+SRN8/62vioLCXA==, figureFileBig=eyRZ17APc9Fz+BWBFkrysA==, tableContent=null), ArticleFig(id=1241838579664617848, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=CN, label=图10, caption=
裂纹1网格图及准静态扩展路径, figureFileSmall=WHlOPW9+SRN8/62vioLCXA==, figureFileBig=eyRZ17APc9Fz+BWBFkrysA==, tableContent=null), ArticleFig(id=1241838579744309627, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=EN, label=Fig.11, caption=
Crack 2 grid diagram and quasi-static expansion path, figureFileSmall=QLh3uDtOIlGANTgJ1Tg04A==, figureFileBig=+VPhX/othryD+chceXUwyw==, tableContent=null), ArticleFig(id=1241838579819807102, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=CN, label=图11, caption=
裂纹2网格图及准静态扩展路径, figureFileSmall=QLh3uDtOIlGANTgJ1Tg04A==, figureFileBig=+VPhX/othryD+chceXUwyw==, tableContent=null), ArticleFig(id=1241838579886915972, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=EN, label=Fig.12, caption=
Crack 3 grid diagram and quasi-static expansion path, figureFileSmall=C6xon85DDHAegx8BlcIh+A==, figureFileBig=MdPYGzV8M5L/R98mLsEcjg==, tableContent=null), ArticleFig(id=1241838580025328010, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=CN, label=图12, caption=
裂纹3网格图及准静态扩展路径, figureFileSmall=C6xon85DDHAegx8BlcIh+A==, figureFileBig=MdPYGzV8M5L/R98mLsEcjg==, tableContent=null), ArticleFig(id=1241838580100825489, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=EN, label=Fig.13, caption=
Crack 4 grid diagram and quasi-static expansion path, figureFileSmall=N/q3y/u4shMIog0mMDdRVA==, figureFileBig=UrsyhaPfIshT4RzkT8Ml4w==, tableContent=null), ArticleFig(id=1241838580201488789, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=CN, label=图13, caption=
裂纹4网格图及准静态扩展路径, figureFileSmall=N/q3y/u4shMIog0mMDdRVA==, figureFileBig=UrsyhaPfIshT4RzkT8Ml4w==, tableContent=null), ArticleFig(id=1241838580285374873, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=EN, label=Fig.14, caption=
Crack 5 grid diagram and quasi-static expansion path, figureFileSmall=qTc6pZLOWBj02hMOvkmMeQ==, figureFileBig=mpPF4y+FdO1HTnQHJjVAuw==, tableContent=null), ArticleFig(id=1241838580365066653, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=CN, label=图14, caption=
裂纹5网格图及准静态扩展路径, figureFileSmall=qTc6pZLOWBj02hMOvkmMeQ==, figureFileBig=mpPF4y+FdO1HTnQHJjVAuw==, tableContent=null), ArticleFig(id=1241838580448952737, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=EN, label=Table 1, caption=
The relative error between the simulation results and the reference solutions
, figureFileSmall=null, figureFileBig=null, tableContent=
| a/W | Erdogan and Wu[2] | 本文结果 |
|---|
| 积分区域1 | 相对误差(%) | 积分区域2 | 相对误差(%) | 积分区域3 | 相对误差(%) |
|---|
| 0.1 | 0.10389 | 0.10378 | 0.11 | 0.10452 | 0.61 | 0.10348 | 0.39 |
| 0.2 | 0.08559 | 0.08595 | 0.42 | 0.08603 | 0.51 | 0.08505 | 0.63 |
| 0.3 | 0.06926 | 0.06840 | 1.24 | 0.06837 | 1.29 | 0.06841 | 1.23 |
| 0.4 | 0.05356 | 0.05344 | 0.22 | 0.05352 | 0.07 | 0.05348 | 0.15 |
| 0.5 | 0.0383 | 0.03790 | 1.04 | 0.03773 | 1.49 | 0.03786 | 1.15 |
| 0.6 | 0.02381 | 0.02350 | 1.30 | 0.02366 | 0.63 | 0.02352 | 1.22 |
| 0.7 | 0.01209 | 0.01200 | 0.74 | 0.01198 | 0.91 | 0.01196 | 1.08 |
| 0.8 | 0.00389 | 0.00387 | 0.51 | 0.00384 | 1.29 | 0.00385 | 1.03 |
), ArticleFig(id=1241838580520255909, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=CN, label=表1, caption=
本文仿真结果与参考解相对误差
, figureFileSmall=null, figureFileBig=null, tableContent=
| a/W | Erdogan and Wu[2] | 本文结果 |
|---|
| 积分区域1 | 相对误差(%) | 积分区域2 | 相对误差(%) | 积分区域3 | 相对误差(%) |
|---|
| 0.1 | 0.10389 | 0.10378 | 0.11 | 0.10452 | 0.61 | 0.10348 | 0.39 |
| 0.2 | 0.08559 | 0.08595 | 0.42 | 0.08603 | 0.51 | 0.08505 | 0.63 |
| 0.3 | 0.06926 | 0.06840 | 1.24 | 0.06837 | 1.29 | 0.06841 | 1.23 |
| 0.4 | 0.05356 | 0.05344 | 0.22 | 0.05352 | 0.07 | 0.05348 | 0.15 |
| 0.5 | 0.0383 | 0.03790 | 1.04 | 0.03773 | 1.49 | 0.03786 | 1.15 |
| 0.6 | 0.02381 | 0.02350 | 1.30 | 0.02366 | 0.63 | 0.02352 | 1.22 |
| 0.7 | 0.01209 | 0.01200 | 0.74 | 0.01198 | 0.91 | 0.01196 | 1.08 |
| 0.8 | 0.00389 | 0.00387 | 0.51 | 0.00384 | 1.29 | 0.00385 | 1.03 |
), ArticleFig(id=1241838580604141992, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=EN, label=Table 2, caption=
Initial crack growth angle
, figureFileSmall=null, figureFileBig=null, tableContent=
| 裂纹位置/工作温度 | 初始裂纹扩展角(°) |
|---|
| -50 ℃ | 25 ℃ | 60 ℃ |
|---|
| 1 | -55.53 | -0.25 | 41.56 |
| 2 | -26.71 | 0.26 | 33.01 |
| 3 | 33.45 | -0.16 | -19.52 |
| 4 | -51.72 | 0.94 | 23.81 |
| 5 | -35.35 | 0.26 | 27.89 |
), ArticleFig(id=1241838580700610989, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241838553404080938, language=CN, label=表2, caption=
初始裂纹扩展角
, figureFileSmall=null, figureFileBig=null, tableContent=
| 裂纹位置/工作温度 | 初始裂纹扩展角(°) |
|---|
| -50 ℃ | 25 ℃ | 60 ℃ |
|---|
| 1 | -55.53 | -0.25 | 41.56 |
| 2 | -26.71 | 0.26 | 33.01 |
| 3 | 33.45 | -0.16 | -19.52 |
| 4 | -51.72 | 0.94 | 23.81 |
| 5 | -35.35 | 0.26 | 27.89 |
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