J. Mater. Sci. Technol. ›› 2018, Vol. 34 ›› Issue (1): 157-162.DOI: 10.1016/j.jmst.2017.11.034
Special Issue: FSW-and-FSP-articles 2018
• Orginal Article • Previous Articles Next Articles
Yi-jun Liac, Rui-dong Fua*(), Yan Lia, Yan Pengc, Hui-jie Liub
Received:
2017-04-04
Revised:
2017-06-27
Accepted:
2017-07-08
Online:
2018-01-20
Published:
2018-02-09
Contact:
Fu Rui-dong
Yi-jun Li, Rui-dong Fu, Yan Li, Yan Peng, Hui-jie Liu. Tensile properties and fracture behavior of friction stir welded joints of Fe-32Mn-7Cr-1Mo-0.3N steel at cryogenic temperature[J]. J. Mater. Sci. Technol., 2018, 34(1): 157-162.
Fig. 2. Microstructures of as-welded and PWWT joints: (a) cross-section of as-welded joint; (b) BM in as-welded joint; (c) HAZ in as-welded joint; (d) NZ in as-welded joint; (e) SEM image of BS in as-welded joint; (f) cross-section of PWWT joint; (g) BM in PWWT joint; (h) NZ in PWWT joint; (i) HAZ and BM in PWWT joint; (j) OIM map of HAZ in PWWT joint.
Fe | Mn | Cr | Mo | W | |
---|---|---|---|---|---|
1 | 41.81 | 20.58 | 7.08 | 0.71 | 26.66 |
2 | 59.74 | 29.5 | 6.62 | 0.69 | - |
Table 1 Chemical composition of the BS (in wt%).
Fe | Mn | Cr | Mo | W | |
---|---|---|---|---|---|
1 | 41.81 | 20.58 | 7.08 | 0.71 | 26.66 |
2 | 59.74 | 29.5 | 6.62 | 0.69 | - |
YS (MPa) | UTS (MPa) | UE (%) | |
---|---|---|---|
BM-W | 673(+13 -5) | 864(+14 -5) | 3(+1 -0) |
BM-W-A | 682(+8 -4) | 1103(+7 -4) | 36(+2 -1) |
as-welded joint | 884(+3 -7) | 1009(+3 -7) | 2(+0 -0) |
PWWT joint | 655(+7 -10) | 834(+6 -9) | 6(+1 -1) |
annealed joint | 650(+5 -4) | 960(+5 -4) | 34(+2 -1) |
Table 2 Tensile properties of FSW joints and BM at cryogenic temperatures.
YS (MPa) | UTS (MPa) | UE (%) | |
---|---|---|---|
BM-W | 673(+13 -5) | 864(+14 -5) | 3(+1 -0) |
BM-W-A | 682(+8 -4) | 1103(+7 -4) | 36(+2 -1) |
as-welded joint | 884(+3 -7) | 1009(+3 -7) | 2(+0 -0) |
PWWT joint | 655(+7 -10) | 834(+6 -9) | 6(+1 -1) |
annealed joint | 650(+5 -4) | 960(+5 -4) | 34(+2 -1) |
Fig. 4. Fe-32 Mn steel specimens after tensile fracture at cryogenic temperature: (a) as-welded joint; (b) PWWT joint; (c) BM-W; (d) BM-W-A; and (e) annealed joint.
|
[1] | B.N. Du, Z.Y. Hu, L.Y. Sheng, D.K. Xu, Y.X. Qiao, B.J. Wang, J. Wang, Y.F. Zheng, T.F. Xi. Microstructural characteristics and mechanical properties of the hot extruded Mg-Zn-Y-Nd alloys [J]. J. Mater. Sci. Technol., 2021, 60(0): 44-55. |
[2] | Weijie Ren, Dejia Liu, Qing Liu, Renlong Xin. Influence of texture distribution in magnesium welds on their non-uniform mechanical behavior: A CPFEM study [J]. J. Mater. Sci. Technol., 2020, 46(0): 168-176. |
[3] | C. Yang, J.F. Zhang, G.N. Ma, L.H. Wu, X.M. Zhang, G.Z. He, P. Xue, D.R. Ni, B.L. Xiao, K.S. Wang, Z.Y. Ma. Microstructure and mechanical properties of double-side friction stir welded 6082Al ultra-thick plates [J]. J. Mater. Sci. Technol., 2020, 41(0): 105-116. |
[4] | S.C. Han, L.H. Wu, C.Y. Jiang, N. Li, C.L. Jia, P. Xue, H. Zhang, H.B. Zhao, D.R. Ni, B.L. Xiao, Z.Y. Ma. Achieving a strong polypropylene/aluminum alloy friction spot joint via a surface laser processing pretreatment [J]. J. Mater. Sci. Technol., 2020, 50(0): 103-114. |
[5] | Ruifeng Dong, Jinshan Li, Hongchao Kou, Jiangkun Fan, Yuhong Zhao, Hua Hou, Li Wu. ω-Assisted refinement of α phase and its effect on the tensile properties of a near β titanium alloy [J]. J. Mater. Sci. Technol., 2020, 44(0): 24-30. |
[6] | Wei Hu, Zhongwei Ma, Shude Ji, Qi Song, Mingfei Chen, Wenhui Jiang. Improving the mechanical property of dissimilar Al/Mg hybrid friction stir welding joint by PIO-ANN [J]. J. Mater. Sci. Technol., 2020, 53(0): 41-52. |
[7] | Ran Wei, Kaisheng Zhang, Liangbin Chen, Zhenhua Han, Chen Chen, Tan Wang, Jianzhong Jiang, Tingwei Hu, Shaokang Guan, Fushan Li. Toughening FeMn-based high-entropy alloys via retarding phase transformation [J]. J. Mater. Sci. Technol., 2020, 51(0): 167-172. |
[8] | Zhiqiang Zhang, Changshu He, Ying Li, Lei Yu, Su Zhao, Xiang Zhao. Effects of ultrasonic assisted friction stir welding on flow behavior, microstructure and mechanical properties of 7N01-T4 aluminum alloy joints [J]. J. Mater. Sci. Technol., 2020, 43(0): 1-13. |
[9] | J. Hu, J.X. Li, Y.-N. Shi. Suppression of grain boundary migration at cryogenic temperature in an extremely fine nanograined Ni-Mo alloy [J]. J. Mater. Sci. Technol., 2020, 57(0): 65-69. |
[10] | Mariana X. Milagre, Uyime Donatus, Naga V. Mogili, Rejane Maria P. Silva, Bárbara Victória G. de Viveiros, Victor F. Pereira, Renato A. Antunes, Caruline S.C. Machado, João Victor S. Araujo, Isolda Costa. Galvanic and asymmetry effects on the local electrochemical behavior of the 2098-T351 alloy welded by friction stir welding [J]. J. Mater. Sci. Technol., 2020, 45(0): 162-175. |
[11] | S.G. Wang, M. Sun, S.Y. Liu, X. Liu, Y.H. Xu, C.B. Gong, K. Long, Z.D. Zhang. Synchronous optimization of strengths, ductility and corrosion resistances of bulk nanocrystalline 304 stainless steel [J]. J. Mater. Sci. Technol., 2020, 37(0): 161-172. |
[12] | Huiting Zheng, Ruirun Chen, Gang Qin, Xinzhong Li, Yanqing Su, Hongsheng Ding, Jingjie Guo, Hengzhi Fu. Microstructure evolution, Cu segregation and tensile properties of CoCrFeNiCu high entropy alloy during directional solidification [J]. J. Mater. Sci. Technol., 2020, 38(0): 19-27. |
[13] | Xiaogang Li, Kejian Li, Shanlin Li, Yao Wu, Zhipeng Cai, Jiluan Pan. Microstructure and high temperature fracture toughness of NG-TIG welded Inconel 617B superalloy [J]. J. Mater. Sci. Technol., 2020, 39(0): 173-182. |
[14] | Beiping Zhou, Wencai Liu, Guohua Wu, Liang Zhang, Xiaolong Zhang, HaoJi Wen, jiang Ding. Microstructure and mechanical properties of sand-cast Mg-6Gd-3Y-0.5Zr alloy subject to thermal cycling treatment [J]. J. Mater. Sci. Technol., 2020, 43(0): 208-219. |
[15] | Qiuju Zheng, Lili Zhang, Hongxiang Jiang, Jiuzhou Zhao, Jie He. Effect mechanisms of micro-alloying element La on microstructure and mechanical properties of hypoeutectic Al-Si alloys [J]. J. Mater. Sci. Technol., 2020, 47(0): 142-151. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||