An Improved Fracture Criterion for Mixed-Mode Delamination in Composite Materials
Delamination is a common failure mode in laminated composites, usually under I/II mixed-mode loading. This paper incorporates the influence of mixed-mode ratio on the critical distance in the fracture criterion based on the minimum strain energy density for delamination failure in composites. Meanwh...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2025-04-01
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| Series: | Aerospace Research Communications |
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| Online Access: | https://www.frontierspartnerships.org/articles/10.3389/arc.2025.14365/full |
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| author | Xinyuan Chen Chengce Yuan Wei Zhang Wei Zhang Weiqiu Chen Weiqiu Chen Weiqiu Chen |
| author_facet | Xinyuan Chen Chengce Yuan Wei Zhang Wei Zhang Weiqiu Chen Weiqiu Chen Weiqiu Chen |
| author_sort | Xinyuan Chen |
| collection | DOAJ |
| description | Delamination is a common failure mode in laminated composites, usually under I/II mixed-mode loading. This paper incorporates the influence of mixed-mode ratio on the critical distance in the fracture criterion based on the minimum strain energy density for delamination failure in composites. Meanwhile, the impact of energy dissipation within the fracture process zone on delamination failure is further considered, leading to an I/II mixed-mode delamination fracture criterion applicable to orthotropic composites. With this novel criterion, the theoretical predictions are in good agreement with experimental data for both natural orthotropic materials and artificial laminated composites. Compared with the traditional mixed-mode fracture criteria based on strain energy density, the new criterion can more accurately capture the experimentally observed “overshoot” phenomenon and is closer to the actual failure situation. |
| format | Article |
| id | doaj-art-6e2bfe4f40914ffb893800a1747feb74 |
| institution | OA Journals |
| issn | 2813-6209 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Aerospace Research Communications |
| spelling | doaj-art-6e2bfe4f40914ffb893800a1747feb742025-08-20T02:20:03ZengFrontiers Media S.A.Aerospace Research Communications2813-62092025-04-01310.3389/arc.2025.1436514365An Improved Fracture Criterion for Mixed-Mode Delamination in Composite MaterialsXinyuan Chen0Chengce Yuan1Wei Zhang2Wei Zhang3Weiqiu Chen4Weiqiu Chen5Weiqiu Chen6Department of Engineering Mechanics, Zhejiang University, Hangzhou, ChinaAVIC Shenyang Aircraft Corporation, Shenyang, ChinaDepartment of Engineering Mechanics, Zhejiang University, Hangzhou, ChinaSystem Innovation Center, China, Special Vehicle Research Institute Jingmen, ChinaDepartment of Engineering Mechanics, Zhejiang University, Hangzhou, ChinaHuanjiang Laboratory of Zhejiang University, Zhuji, ChinaFaculty of Mechanical Engineering and Mechanics, Ningbo University, Ningbo, ChinaDelamination is a common failure mode in laminated composites, usually under I/II mixed-mode loading. This paper incorporates the influence of mixed-mode ratio on the critical distance in the fracture criterion based on the minimum strain energy density for delamination failure in composites. Meanwhile, the impact of energy dissipation within the fracture process zone on delamination failure is further considered, leading to an I/II mixed-mode delamination fracture criterion applicable to orthotropic composites. With this novel criterion, the theoretical predictions are in good agreement with experimental data for both natural orthotropic materials and artificial laminated composites. Compared with the traditional mixed-mode fracture criteria based on strain energy density, the new criterion can more accurately capture the experimentally observed “overshoot” phenomenon and is closer to the actual failure situation.https://www.frontierspartnerships.org/articles/10.3389/arc.2025.14365/fulllaminated compositesstrain energy densitydelaminationI/II mixed-mode fracturefracture criterion |
| spellingShingle | Xinyuan Chen Chengce Yuan Wei Zhang Wei Zhang Weiqiu Chen Weiqiu Chen Weiqiu Chen An Improved Fracture Criterion for Mixed-Mode Delamination in Composite Materials Aerospace Research Communications laminated composites strain energy density delamination I/II mixed-mode fracture fracture criterion |
| title | An Improved Fracture Criterion for Mixed-Mode Delamination in Composite Materials |
| title_full | An Improved Fracture Criterion for Mixed-Mode Delamination in Composite Materials |
| title_fullStr | An Improved Fracture Criterion for Mixed-Mode Delamination in Composite Materials |
| title_full_unstemmed | An Improved Fracture Criterion for Mixed-Mode Delamination in Composite Materials |
| title_short | An Improved Fracture Criterion for Mixed-Mode Delamination in Composite Materials |
| title_sort | improved fracture criterion for mixed mode delamination in composite materials |
| topic | laminated composites strain energy density delamination I/II mixed-mode fracture fracture criterion |
| url | https://www.frontierspartnerships.org/articles/10.3389/arc.2025.14365/full |
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