J. Mater. Sci. Technol. ›› 2020, Vol. 41: 199-208.DOI: 10.1016/j.jmst.2019.08.049
• Research Article • Previous Articles Next Articles
Qian Yan, Bo Song*(), Yusheng Shi
Received:
2019-04-28
Revised:
2019-08-04
Accepted:
2019-08-14
Published:
2020-03-15
Online:
2020-04-10
Contact:
Song Bo
Qian Yan, Bo Song, Yusheng Shi. Comparative study of performance comparison of AlSi10Mg alloy prepared by selective laser melting and casting[J]. J. Mater. Sci. Technol., 2020, 41: 199-208.
Mg | Si | Fe | Ca | Al |
---|---|---|---|---|
0.345 | 9.617 | 0.130 | 0.049 | Balance |
0.338 | 9.544 | 0.137 | 0.012 | Balance |
Table 1 Chemical composition of raw powder and SLM samples (wt.%).
Mg | Si | Fe | Ca | Al |
---|---|---|---|---|
0.345 | 9.617 | 0.130 | 0.049 | Balance |
0.338 | 9.544 | 0.137 | 0.012 | Balance |
Fig. 7. TEM observations of as-cast AlSi10Mg: (a, d) TEM micrograph of precipitated phase; (b) EDS elemental mapping and (c) elemental distribution of Al, Si, Mg and Fe within the square marked in (a); (e) HRTEM micrograph and the corresponding FFT of lamellar precipitated phase.
Fig. 8. TEM observations of SLM AlSi10Mg: (a) HAADF TEM micrograph of network structure; (b) EDS elemental mapping and (c) elemental distribution of Al, Si, Mg and Fe within the square marked in (a); (d) HAADF TEM micrograph of and (e) the corresponding SAED pattern of Al cell boundary; (f) HRTEM micrograph and the corresponding FFT of overlapped boundary.
Fig. 9. Mechanical properties of common Al-Si alloys prepared by SLM or casting. And our results compared with them [7,23,[36], [37], [38], [39], [40], [41]].
Processing methods | Direction | Temperature | Tensile strength (MPa) | Elongation (%) |
---|---|---|---|---|
Casting | XY | 25 °C | 312.65 ± 1.34 | 12.60 ± 0.77 |
YZ | 315.13 ± 1.33 | 14.29 ± 0.19 | ||
SLM | XY | 445.34 ± 11.36 | 8.68 ± 0.02 | |
YZ | 430.04 ± 8.88 | 8.70 ± 0.82 | ||
Casting | XY | 230 °C | 237.16 ± 6.13 | 20.47 ± 1.70 |
YZ | 225.31 ± 5.46 | 18.67 ± 0.49 | ||
SLM | XY | 266.59 ± 15.25 | 20.53 ± 1.55 | |
YZ | 270.19 ± 15.86 | 21.73 ± 1.80 |
Table 2 Tensile results of as-cast and SLM AlSi10Mg.
Processing methods | Direction | Temperature | Tensile strength (MPa) | Elongation (%) |
---|---|---|---|---|
Casting | XY | 25 °C | 312.65 ± 1.34 | 12.60 ± 0.77 |
YZ | 315.13 ± 1.33 | 14.29 ± 0.19 | ||
SLM | XY | 445.34 ± 11.36 | 8.68 ± 0.02 | |
YZ | 430.04 ± 8.88 | 8.70 ± 0.82 | ||
Casting | XY | 230 °C | 237.16 ± 6.13 | 20.47 ± 1.70 |
YZ | 225.31 ± 5.46 | 18.67 ± 0.49 | ||
SLM | XY | 266.59 ± 15.25 | 20.53 ± 1.55 | |
YZ | 270.19 ± 15.86 | 21.73 ± 1.80 |
Fig. 11. SEM images of fracture surface images for (a, b, c, d) the as-cast and (e, f, g, h) SLM AlSi10Mg built along (a, b, e, f) XY and (c, d, g, h) YZ direction.
Fig. 15. SEM images of fracture surface for (a, b) the as-cast and (c, d) SLM AlSi10Mg in (a, c) crack propagation and (b, d) final fracture condition under 250 MPa.
|
[1] | Hanchen Feng, Lei Cai, Linfeng Wang, Xiaodan Zhang, Feng Fang. Microstructure and strength in ultrastrong cold-drawn medium carbon steel [J]. J. Mater. Sci. Technol., 2022, 97(0): 89-100. |
[2] | Shiyu Wu, Dongxu Qiao, Haitao Zhang, Junwei Miao, Hongliang Zhao, Jun Wang, Yiping Lu, Tongmin Wang, Tingju Li. Microstructure and mechanical properties of CxHf0.25NbTaW0.5 refractory high-entropy alloys at room and high temperatures [J]. J. Mater. Sci. Technol., 2022, 97(0): 229-238. |
[3] | H.Y. Wan, W.K. Yang, L.Y. Wang, Z.J. Zhou, C.P. Li, G.F. Chen, L.M. Lei, G.P. Zhang. Toward qualification of additively manufactured metal parts: Tensile and fatigue properties of selective laser melted Inconel 718 evaluated using miniature specimens [J]. J. Mater. Sci. Technol., 2022, 97(0): 239-253. |
[4] | Tianci Xie, Hui Shi, Hongbin Wang, Qun Luo, Qian Li, Kuo-Chih Chou. Thermodynamic prediction of thermal diffusivity and thermal conductivity in Mg-Zn-La/Ce system [J]. J. Mater. Sci. Technol., 2022, 97(0): 147-155. |
[5] | Ruifeng Dong, Xiaoyang Zhang, Chenhui Li, Yuhong Zhao, Jinzhong Tian, Li Wu, Hua Hou. Correlation between the mechanical properties and the 〈110〉 texture in a hot-rolled near β titanium alloy [J]. J. Mater. Sci. Technol., 2022, 97(0): 165-168. |
[6] | Pengyu Wen, Bin Hu, Jiansheng Han, Haiwen Luo. A strong and ductile medium Mn steel manufactured via ultrafast heating process [J]. J. Mater. Sci. Technol., 2022, 97(0): 54-68. |
[7] | Hongfeng Dong, Baozhong Li, BoBo Liu, Yang Zhang, Lei Sun, Kun Luo, Yingju Wu, Mengdong Ma, Bing Liu, Wentao Hu, Julong He, Dongli Yu, Bo Xu, Zhisheng Zhao, Yongjun Tian. Extraordinary high-temperature mechanical properties in binder-free nanopolycrystalline WC ceramic [J]. J. Mater. Sci. Technol., 2022, 97(0): 169-175. |
[8] | Haibo Zhang, Metin Örnek, Simanta Lahkar, Shuangxi Song, Xiaodong Wang, Richard A. Haber, Kolan Madhav Reddy. Enhanced densification and mechanical properties of β-boron by in-situ formed boron-rich oxide [J]. J. Mater. Sci. Technol., 2022, 99(0): 148-160. |
[9] | Heng Duan, Bin Liu, Ao Fu, Junyang He, Tao Yang, C.T. Liu, Yong Liu. Segregation enabled outstanding combination of mechanical and corrosion properties in a FeCrNi medium entropy alloy manufactured by selective laser melting [J]. J. Mater. Sci. Technol., 2022, 99(0): 207-214. |
[10] | Taiqian Mo, Zejun Chen, Dayu Zhou, Guangming Lu, Yongmeng Huang, Qing Liu. Effect of lamellar structural parameters on the bending fracture behavior of AA1100/AA7075 laminated metal composites [J]. J. Mater. Sci. Technol., 2022, 99(0): 28-38. |
[11] | J.C. Wang, Y.J. Liu, S.X. Liang, Y.S. Zhang, L.Q. Wang, T.B. Sercombe, L.C. Zhang. Comparison of microstructure and mechanical behavior of Ti-35Nb manufactured by laser powder bed fusion from elemental powder mixture and prealloyed powder [J]. J. Mater. Sci. Technol., 2022, 105(0): 1-16. |
[12] | Xuan Kong, Yang Liu, Minghui Chen, Tao Zhang, Qunchang Wang, Fuhui Wang. Heterostructured NiCr matrix composites with high strength and wear resistance [J]. J. Mater. Sci. Technol., 2022, 105(0): 142-152. |
[13] | Zheng Zhang, Wenming Jiang, Guangyu Li, Junlong Wang, Feng Guan, Guoliang Jie, Zitian Fan. Effect of La on microstructure, mechanical properties and fracture behavior of Al/Mg bimetallic interface manufactured by compound casting [J]. J. Mater. Sci. Technol., 2022, 105(0): 214-225. |
[14] | Bo Hu, Zixin Li, Dejiang Li, Tao Ying, Xiaoqin Zeng, Wenjiang Ding. A hot tearing criterion based on solidification microstructure in cast alloys [J]. J. Mater. Sci. Technol., 2022, 105(0): 68-80. |
[15] | Peng Gao, Shuo Sun, Heng Li, Ranming Niu, Shuang Han, Hongxiang Zong, Hao Wang, Jianshe Lian, Xiaozhou Liao. Ultra-strong and thermally stable nanocrystalline CrCoNi alloy [J]. J. Mater. Sci. Technol., 2022, 106(0): 1-9. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||