Effect of compressive load on texture evolution and anisotropic behavior of dual-phase steel under biaxial loading in complete σ11-σ22 space
Advanced high strength steels (AHSS) are typically loaded in a multiaxial stress state during forming process and service. However, the deformation mechanism under multiaxial loading is not clarified, which limits the optimization of sheet metal forming. In particular, due to instability, biaxial co...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2023-11-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785423026480 |
| _version_ | 1797301499626258432 |
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| author | Xuejian Yang Hui Zhao Ge Shen Yan Peng Lu Wu Yu Wu Jianjun Mao Baodong Shi |
| author_facet | Xuejian Yang Hui Zhao Ge Shen Yan Peng Lu Wu Yu Wu Jianjun Mao Baodong Shi |
| author_sort | Xuejian Yang |
| collection | DOAJ |
| description | Advanced high strength steels (AHSS) are typically loaded in a multiaxial stress state during forming process and service. However, the deformation mechanism under multiaxial loading is not clarified, which limits the optimization of sheet metal forming. In particular, due to instability, biaxial compression loading of single thin plate has not been reported, which results in unclear evolution of the yield surfaces in the second, third and fourth quadrants of σ11-σ22 space and corresponding deformation mechanisms. Therefore, the deformation mechanism of AHSS thin plates under biaxial loading was systematically investigated in the complete σ11-σ22 space using a specially designed cruciform specimen and buckling prevention fixture in the current work. The mechanical properties of dual-phase (DP780) steel under different loading paths were studied by uniaxial tension, uniaxial compression, and biaxial loading tests. There is an obvious yield strength difference between the first quadrant and the third quadrant in the σ11-σ22 space. In the second and fourth quadrants of σ11-σ22 space, the compression part makes a greater effect on the yield behavior of the material than the tension part. More specifically, dislocation slip is activated earlier at the boundary under compression loading, resulting in earlier yielding of the material. Based on the analysis of the Taylor factor, the activation of slip systems of DP780 steel before and after deformation is clarified. In addition, a detailed analysis of the microstructure and texture evolution in DP780 steel after deformation is conducted, and a correlation between texture evolution and loading paths is established. It is found that the compression part under biaxial loading results in more grains with low Taylor factor and promotes the transformation of the initial texture to copper or rotated copper texture in DP780 steel. |
| first_indexed | 2024-03-07T23:22:29Z |
| format | Article |
| id | doaj.art-10bfaddafd1f440bb0f9f53a55bc49b3 |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-03-07T23:22:29Z |
| publishDate | 2023-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-10bfaddafd1f440bb0f9f53a55bc49b32024-02-21T05:26:46ZengElsevierJournal of Materials Research and Technology2238-78542023-11-012751405153Effect of compressive load on texture evolution and anisotropic behavior of dual-phase steel under biaxial loading in complete σ11-σ22 spaceXuejian Yang0Hui Zhao1Ge Shen2Yan Peng3Lu Wu4Yu Wu5Jianjun Mao6Baodong Shi7State Key Laboratory of Crane Technology, Yanshan University, Qinhuangdao, 066004, China; National Engineering Research Center for Equipment and Technology of Cold Rolled Strip, Yanshan University, Qinhuangdao, 066004, ChinaState Key Laboratory of Crane Technology, Yanshan University, Qinhuangdao, 066004, China; National Engineering Research Center for Equipment and Technology of Cold Rolled Strip, Yanshan University, Qinhuangdao, 066004, ChinaState Key Laboratory of Crane Technology, Yanshan University, Qinhuangdao, 066004, China; National Engineering Research Center for Equipment and Technology of Cold Rolled Strip, Yanshan University, Qinhuangdao, 066004, ChinaState Key Laboratory of Crane Technology, Yanshan University, Qinhuangdao, 066004, China; National Engineering Research Center for Equipment and Technology of Cold Rolled Strip, Yanshan University, Qinhuangdao, 066004, ChinaThe First Sub-Institute, Nuclear Power Institute of China, Chengdu, 610005, China; National Key Laboratory for Nuclear Fuel and Materials, Nuclear Power Institute of China, Chengdu, 610041, ChinaThe Fourth Sub-Institute, Nuclear Power Institute of China, Chengdu, 610005, ChinaThe First Sub-Institute, Nuclear Power Institute of China, Chengdu, 610005, China; National Key Laboratory for Nuclear Fuel and Materials, Nuclear Power Institute of China, Chengdu, 610041, ChinaState Key Laboratory of Crane Technology, Yanshan University, Qinhuangdao, 066004, China; National Engineering Research Center for Equipment and Technology of Cold Rolled Strip, Yanshan University, Qinhuangdao, 066004, China; Corresponding author.Advanced high strength steels (AHSS) are typically loaded in a multiaxial stress state during forming process and service. However, the deformation mechanism under multiaxial loading is not clarified, which limits the optimization of sheet metal forming. In particular, due to instability, biaxial compression loading of single thin plate has not been reported, which results in unclear evolution of the yield surfaces in the second, third and fourth quadrants of σ11-σ22 space and corresponding deformation mechanisms. Therefore, the deformation mechanism of AHSS thin plates under biaxial loading was systematically investigated in the complete σ11-σ22 space using a specially designed cruciform specimen and buckling prevention fixture in the current work. The mechanical properties of dual-phase (DP780) steel under different loading paths were studied by uniaxial tension, uniaxial compression, and biaxial loading tests. There is an obvious yield strength difference between the first quadrant and the third quadrant in the σ11-σ22 space. In the second and fourth quadrants of σ11-σ22 space, the compression part makes a greater effect on the yield behavior of the material than the tension part. More specifically, dislocation slip is activated earlier at the boundary under compression loading, resulting in earlier yielding of the material. Based on the analysis of the Taylor factor, the activation of slip systems of DP780 steel before and after deformation is clarified. In addition, a detailed analysis of the microstructure and texture evolution in DP780 steel after deformation is conducted, and a correlation between texture evolution and loading paths is established. It is found that the compression part under biaxial loading results in more grains with low Taylor factor and promotes the transformation of the initial texture to copper or rotated copper texture in DP780 steel.http://www.sciencedirect.com/science/article/pii/S2238785423026480DP780AnisotropyDeformation mechanismYield surfaceBiaxial loading |
| spellingShingle | Xuejian Yang Hui Zhao Ge Shen Yan Peng Lu Wu Yu Wu Jianjun Mao Baodong Shi Effect of compressive load on texture evolution and anisotropic behavior of dual-phase steel under biaxial loading in complete σ11-σ22 space Journal of Materials Research and Technology DP780 Anisotropy Deformation mechanism Yield surface Biaxial loading |
| title | Effect of compressive load on texture evolution and anisotropic behavior of dual-phase steel under biaxial loading in complete σ11-σ22 space |
| title_full | Effect of compressive load on texture evolution and anisotropic behavior of dual-phase steel under biaxial loading in complete σ11-σ22 space |
| title_fullStr | Effect of compressive load on texture evolution and anisotropic behavior of dual-phase steel under biaxial loading in complete σ11-σ22 space |
| title_full_unstemmed | Effect of compressive load on texture evolution and anisotropic behavior of dual-phase steel under biaxial loading in complete σ11-σ22 space |
| title_short | Effect of compressive load on texture evolution and anisotropic behavior of dual-phase steel under biaxial loading in complete σ11-σ22 space |
| title_sort | effect of compressive load on texture evolution and anisotropic behavior of dual phase steel under biaxial loading in complete σ11 σ22 space |
| topic | DP780 Anisotropy Deformation mechanism Yield surface Biaxial loading |
| url | http://www.sciencedirect.com/science/article/pii/S2238785423026480 |
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