J. Mater. Sci. Technol. ›› 2020, Vol. 41 ›› Issue (0): 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
Online:
2020-03-15
Published:
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(0): 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] | L. Deng, K. Kosiba, R. Limbach, L. Wondraczek, U. Kühn, S. Pauly. Plastic deformation of a Zr-based bulk metallic glass fabricated by selective laser melting [J]. J. Mater. Sci. Technol., 2021, 60(0): 139-146. |
[2] | Hui Jiang, Dongxu Qiao, Wenna Jiao, Kaiming Han, Yiping Lu, Peter K. Liaw. Tensile deformation behavior and mechanical properties of a bulk cast Al0.9CoFeNi2 eutectic high-entropy alloy [J]. J. Mater. Sci. Technol., 2021, 61(0): 119-124. |
[3] | Jincheng Wang, Yujing Liu, Chirag Dhirajlal Rabadia, Shun-Xing Liang, Timothy Barry Sercombe, Lai-Chang Zhang. Microstructural homogeneity and mechanical behavior of a selective laser melted Ti-35Nb alloy produced from an elemental powder mixture [J]. J. Mater. Sci. Technol., 2021, 61(0): 221-233. |
[4] | Qin Xu, Dezhi Chen, Chongyang Tan, Xiaoqin Bi, Qi Wang, Hongzhi Cui, Shuyan Zhang, Ruirun Chen. NbMoTiVSix refractory high entropy alloys strengthened by forming BCC phase and silicide eutectic structure [J]. J. Mater. Sci. Technol., 2021, 60(0): 1-7. |
[5] | Kaiming Cheng, Jiaxing Sun, Huixia Xu, Jin Wang, Chengwei Zhan, Reza Ghomashchi, Jixue Zhou, Shouqiu Tang, Lijun Zhang, Yong Du. Diffusion growth of ϕ ternary intermetallic compound in the Mg-Al-Zn alloy system: In-situ observation and modeling [J]. J. Mater. Sci. Technol., 2021, 60(0): 222-229. |
[6] | Qiang Ren, Yuexin Zhang, Ying Ren, Lifeng Zhang, Jujin Wang, Yadong Wang. Prediction of spatial distribution of the composition of inclusions on the entire cross section of a linepipe steel continuous casting slab [J]. J. Mater. Sci. Technol., 2021, 61(0): 147-158. |
[7] | Xiaoxiao Li, Meiqiong Ou, Min Wang, Long Zhang, Yingche Ma, Kui Liu. Effect of boron addition on the microstructure and mechanical properties of K4750 nickel-based superalloy [J]. J. Mater. Sci. Technol., 2021, 60(0): 177-185. |
[8] | Lin Yuan, Jiangtao Xiong, Yajie Du, Jin Ren, Junmiao Shi, Jinglong Li. Microstructure and mechanical properties in the TLP joint of FeCoNiTiAl and Inconel 718 alloys using BNi2 filler [J]. J. Mater. Sci. Technol., 2021, 61(0): 176-185. |
[9] | 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. |
[10] | Timothy Alexander Listyawan, Hyunjong Lee, Nokeun Park, Unhae Lee. Microstructure and mechanical properties of CoCrFeMnNi high entropy alloy with ultrasonic nanocrystal surface modification process [J]. J. Mater. Sci. Technol., 2020, 57(0): 123-130. |
[11] | Feng Zhong, Huajie Wu, Yunlei Jiao, Ruizhi Wu, Jinghuai Zhang, Legan Hou, Milin Zhang. Effect of Y and Ce on the microstructure, mechanical properties and anisotropy of as-rolled Mg-8Li-1Al alloy [J]. J. Mater. Sci. Technol., 2020, 39(0): 124-134. |
[12] | Piao Gao, Wenpu Huang, Huihui Yang, Guanyi Jing, Qi Liu, Guoqing Wang, Zemin Wang, Xiaoyan Zeng. Cracking behavior and control of β-solidifying Ti-40Al-9V-0.5Y alloy produced by selective laser melting [J]. J. Mater. Sci. Technol., 2020, 39(0): 144-154. |
[13] | Anil Kunwar, Lili An, Jiahui Liu, Shengyan Shang, Peter Råback, Haitao Ma, Xueguan Song. A data-driven framework to predict the morphology of interfacial Cu6Sn5 IMC in SAC/Cu system during laser soldering [J]. J. Mater. Sci. Technol., 2020, 50(0): 115-127. |
[14] | Hanghang Liu, Paixian Fu, Hongwei Liu, Yanfei Cao, Chen Sun, Ningyu Du, Dianzhong Li. Effects of Rare Earth elements on microstructure evolution and mechanical properties of 718H pre-hardened mold steel [J]. J. Mater. Sci. Technol., 2020, 50(0): 245-256. |
[15] | Sharafadeen Kunle Kolawole, Wang Hai, Shuyuan Zhang, Ziqing Sun, Muhammad Ali Siddiqui, Ihsan Ullah, Wei Song, Frank Witte, Ke Yang. Preliminary study of microstructure, mechanical properties and corrosion resistance of antibacterial Ti-15Zr-xCu alloy for dental application [J]. J. Mater. Sci. Technol., 2020, 50(0): 31-43. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||