Sub-texture in adiabatic shear bands from arc additively manufactured stainless steel under dynamic loads

CHEN Jie; WANG Kehong; KONG Jian; PENG Yong; LIU Chuang; DONG Kewei; WANG Qipeng; ZHANG Xianfeng

doi:10.11883/bzycj-2022-0493

Volume 43 Issue 7

Jul. 2023

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CHEN Jie, WANG Kehong, KONG Jian, PENG Yong, LIU Chuang, DONG Kewei, WANG Qipeng, ZHANG Xianfeng. Sub-texture in adiabatic shear bands from arc additively manufactured stainless steel under dynamic loads[J]. Explosion And Shock Waves, 2023, 43(7): 073102. doi: 10.11883/bzycj-2022-0493

Citation:

CHEN Jie, WANG Kehong, KONG Jian, PENG Yong, LIU Chuang, DONG Kewei, WANG Qipeng, ZHANG Xianfeng. Sub-texture in adiabatic shear bands from arc additively manufactured stainless steel under dynamic loads[J]. Explosion And Shock Waves, 2023, 43(7): 073102. doi: 10.11883/bzycj-2022-0493

Citation:

CHEN Jie, WANG Kehong, KONG Jian, PENG Yong, LIU Chuang, DONG Kewei, WANG Qipeng, ZHANG Xianfeng. Sub-texture in adiabatic shear bands from arc additively manufactured stainless steel under dynamic loads[J]. Explosion And Shock Waves, 2023, 43(7): 073102. doi: 10.11883/bzycj-2022-0493

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Sub-texture in adiabatic shear bands from arc additively manufactured stainless steel under dynamic loads

doi: 10.11883/bzycj-2022-0493

1.
School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China
2.
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China

Received Date: 2022-11-05
Rev Recd Date: 2023-04-10

Available Online: 2023-05-16

Publish Date: 2023-07-05

Abstract

Abstract

Adiabatic shearing is a common failure mechanism for additively manufactured metals and alloys under dynamic loads. Cylindrical samples ($\varnothing $4 mm×4 mm) along building and scanning directions were extracted from 316L stainless steel plate fabricated by cold metal transfer wire and arc additive manufacturing process (AM 316L). Cylindrical AM 316L samples were subjected to dynamic impacts to introduce adiabatic shear bands (ASBs) at high strain rates from 4000 to 6000 s⁻¹ by using a split Hopkinson pressure bar. Deformed AM 316L samples were cut along compression direction. Multiple methods including scanning electron microscope, electron-back-scatter diffraction, focused ion beam, transmission electron microscope, transmission kikuchi diffraction were applied to characterize the microstructure of ASBs. The dynamic flow stress of AM 316L increases with forward strain due to strain hardening at first, and then comes an obvious flat stage for the balance between adiabatic thermal softening and strain hardening followed by adiabatic shearing prevailing causing the last failure. The sub-grains in ASBs experienced a dynamic recrystallization process, present fully distinct equiaxed crystal morphology with high angle grain boundaries from the matrix, of which the grain size is about 200−300 nm. The complex thermal and mechanical processes during adiabatic shearing lead to the formation of duplex components in sub-texture, which conclude not only the <110>-fiber along the compression direction similar with the matrix, but also the crystallographic texture related to shear direction with plane (111) along shear plane and orientation <112> along shear direction. The residual large amount of Σ3 60° grain boundaries and twin-symmetry texture in ASBs prove that twinning recrystallization is the main dynamic recrystallization mechanism. The ASB propagating paths of AM 316L along different directions under dynamic loadings are the similar, which is that both ASBs successively extend along the symmetrical path of angles 35° with respect to the loading surface. These two paths are the locations of the maximum strain and thermal distribution during the dynamic loadings consistent with previous simulation work. In addition to the external physical conditions of the maximum strain and thermal field distribution in the sample under dynamic loading, the paths conform to the crystallographic condition that the intersection angle between the shear plane (111) and the matrix (110) is 35.2°. Accompanied with macro adiabatic shear bands, micro-strain localization bands are formed to accommodate more strain, wherein the sub-grains take distinct orientation from matrix.
- additive manufacturing,
- 316L stainless steel,
- adiabatic shear band,
- Sub-texture,
- twinning recrystallization

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References(19)

References

[1]	SRIVASTAVA M, RATHEE S, TIWARI A, et al. Wire arc additive manufacturing of metals: a review on processes, materials and their behaviour [J]. Materials Chemistry and Physics, 2023, 294: 126988. DOI: 10.1016/j.matchemphys.2022.126988.
[2]	丁东红, 黄荣, 张显程, 等. 电弧增材制造研究进展: 多源信息传感 [J]. 焊接技术, 2022, 51(10): 1–20, 113. DOI: 10.13846/j.cnki.cn12-1070/tg.2022.10.024. DING D H, HUANG R, ZHANG X C, et al. Research progress of wire arc additive manufacturing: multi-source information sensing [J]. Welding Technology, 2022, 51(10): 1–20, 113. DOI: 10.13846/j.cnki.cn12-1070/tg.2022.10.024.
[3]	YAN N, LI Z Z, XU Y B, et al. Shear localization in metallic materials at high strain rates [J]. Progress in Materials Science, 2021, 119: 100755. DOI: 10.1016/j.pmatsci.2020.100755.
[4]	WANG T, ZHU L, WANG C H, et al. Microstructure evolution and dynamic mechanical properties of laser additive manufacturing Ti-6Al-4V under high strain rate [J]. Journal of Beijing Institute of Technology, 2020, 29(4): 568–580. DOI: 10.15918/j.jbit1004-0579.20064.
[5]	LIU Y, MENG J H, ZHU L, et al. Dynamic compressive properties and underlying failure mechanisms of selective laser melted Ti-6Al-4V alloy under high temperature and strain rate conditions [J]. Additive Manufacturing, 2022, 54: 102772. DOI: 10.1016/j.addma.2022.102772.
[6]	YAO J, SUO T, ZHANG S Y, et al. Influence of heat-treatment on the dynamic behavior of 3D laser-deposited Ti-6Al-4V alloy [J]. Materials Science and Engineering: A, 2016, 677: 153–162. DOI: 10.1016/j.msea.2016.09.036.
[7]	李小龙, 李鹏辉, 郭伟国, 等. 激光金属沉积GH4169在不同应变率下的剪切特性及破坏机理研究 [J]. 爆炸与冲击, 2020, 40(8): 083101. DOI: 10.11883/bzycj-2019-0254. LI X L, LI P H, GUO W G, et al. Shear characteristics and failure mechanism of laser metal deposition GH4169 at different strain rates [J]. Explosion and Shock Waves, 2020, 40(8): 083101. DOI: 10.11883/bzycj-2019-0254.
[8]	ASALA G, ANDERSSON J, OJO O A. Improved dynamic impact behaviour of wire-arc additive manufactured ATI 718Plus^® [J]. Materials Science and Engineering: A, 2018, 738: 111–124. DOI: 10.1016/j.msea.2018.09.079.
[9]	DEHGAHI S, ALAGHMANDFARD R, TALLON J, et al. Microstructural evolution and high strain rate compressive behavior of as-built and heat-treated additively manufactured maraging steels [J]. Materials Science and Engineering: A, 2021, 815: 141183. DOI: 10.1016/j.msea.2021.141183.
[10]	WEAVER J S, LIVESCU V, MARA N A. A comparison of adiabatic shear bands in wrought and additively manufactured 316L stainless steel using nanoindentation and electron backscatter diffraction [J]. Journal of Materials Science, 2020, 55(4): 1738–1752. DOI: 10.1007/s10853-019-03994-8.
[11]	LI J N, GAO D, LU Y, et al. Mechanical properties and microstructure evolution of additive manufactured 316L stainless steel under dynamic loading [J]. Materials Science and Engineering: A, 2022, 855: 143896. DOI: 10.1016/j.msea.2022.143896.
[12]	王晓光, 刘奋成, 方平, 等. CMT电弧增材制造316L不锈钢成形精度与组织性能分析 [J]. 焊接学报, 2019, 40(5): 100–106. DOI: 10.12073/j.hjxb.2019400135. WANG X G, LIU F C, FANG P, et al. Forming accuracy and properties of wire arc additive manufacturing of 316L components using CMT process [J]. Transactions of the China Welding Institution, 2019, 40(5): 100–106. DOI: 10.12073/j.hjxb.2019400135.
[13]	李磊, 张先锋, 吴雪, 等. 不同硬度30CrMnSiNi2A钢的动态本构与损伤参数 [J]. 高压物理学报, 2017, 31(3): 239–248. DOI: 10.11858/gywkxb.2017.03.005. LI L, ZHANG X F, WU X, et al. Dynamic constitutive and damage parameters of 30CrMnSiNi2A steel with different hardness [J]. Chinese Journal of High Pressure Physics, 2017, 31(3): 239–248. DOI: 10.11858/gywkxb.2017.03.005.
[14]	LI J G, LI Y L, SUO T, et al. Numerical simulations of adiabatic shear localization in textured FCC metal based on crystal plasticity finite element method [J]. Materials Science and Engineering: A, 2018, 737: 348–363. DOI: 10.1016/j.msea.2018.08.105.
[15]	LI S Y, BEYERLEIN I J, BOURKE M A M. Texture formation during equal channel angular extrusion of FCC and BCC materials: comparison with simple shear [J]. Materials Science and Engineering: A, 2005, 394(1/2): 66–77. DOI: 10.1016/j.msea.2004.11.032.
[16]	XUE Q, GRAY Ⅲ G T. Development of adiabatic shear bands in annealed 316L stainless steel: part Ⅰ. correlation between evolving microstructure and mechanical behavior [J]. Metallurgical and Materials Transactions A, 2006, 37(8): 2435–2446. DOI: 10.1007/BF02586217.
[17]	XUE Q, GRAY Ⅲ G T. Development of adiabatic shear bands in annealed 316L stainless steel: part Ⅱ. TEM studies of the evolution of microstructure during deformation localization [J]. Metallurgical and Materials Transactions A, 2006, 37(8): 2447–2458. DOI: 10.1007/BF02586218.
[18]	CHEN J, WEI H Y, ZHANG X F, et al. Flow behavior and microstructure evolution during dynamic deformation of 316 L stainless steel fabricated by wire and arc additive manufacturing [J]. Materials & Design, 2021, 198: 109325. DOI: 10.1016/j.matdes.2020.109325.
[19]	MEYERS M A, NESTERENKO V F, LASALVIA J C, et al. Shear localization in dynamic deformation of materials: microstructural evolution and self-organization [J]. Materials Science and Engineering: A, 2001, 317(1/2): 204–225. DOI: 10.1016/S0921-5093(01)01160-1.