吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (5): 1577-1582.doi: 10.13229/j.cnki.jdxbgxb201605028

Previous Articles     Next Articles

Microstructure and mechanical property of Mg2Si/Al composites fabricated by semi-solid extrusion under different isothermal heat treatments

LIU Xiao-bo1,2, ZHOU De-kun1, ZHAO Yu-guang2   

  1. 1.College of Mechanical Engineering, Beihua University, Jilin 132021,China;
    2.College of Materials Science and Engineering, Jilin University, Changchun 130022,China
  • Received:2015-06-07 Online:2016-09-20 Published:2016-09-20

RICH HTML

1   

PDF (PC)

178

Abstract: Mg2Si/Al composites were fabricated by gravity casting and semi-solid extrusion. The microstructure and mechanical property of the composites were investigated. The results show that after isothermal heat treatment the semisolid Mg2Si/Al composites form spherical reinforced phase and matrix structure. The effect of the isothermal heat treatment temperature on the microstructure and mechanical was studied. In addition, the hardness of the semi-solid extrusion composites with isothermal heat treatment temperatures of 555 ℃, 565 ℃ and 570 ℃ under specific pressure of 255 MPa are enhanced by 26.09%, 39.13% and 31.30% respectively in comparison with the casting composite. The tensile test results show that the ultimate tensile strength and elongation of the Mg2Si/Al composites fabricated by semi-solid extrusion reach 274 MPa and 8.75% respectively.

Key words: metallic materials, in-situ Mg2Si/Al composite, isothermal heat treatment, semi-solid extrusion, mechanical property

CLC Number: 

  • TB331
[1] Qin Q D, Zhao Y G, Xiu K, et al. Microstructure evolution of in situ Mg 2 Si/Al-Si-Cu composite in semisolid remelting processing[J]. Materials Science and Engineering A, 2005, 407(1/2): 196-200.
[2] 刘晓波, 赵宇光, 杨雯, 等. (Mg 2 Si+SiCp)/Mg复合材料的耐磨性[J]. 吉林大学学报:工学版, 2011, 41(6): 1618-1624.
Liu Xiao-bo, Zhao Yu-guang, Yang Wen, et al. Wear resistance of (Mg 2 Si+SiCp)/Mg composites[J]. Journal of Jilin University (Engineering and Technology Edition), 2011, 41(6): 1618-1624.
[3] 刘晓波, 赵宇光, 刘雁. Mg 2 Si/Al梯度复合材料的耐磨性[J].吉林大学学报:工学版, 2011, 41(2): 371-376.
Liu Xiao-bo, Zhao Yu-guang,Liu Yan. Wear resistance of Mg 2 Si/Al gradient composites[J]. Journal of Jilin University (Engineering and Technology Edition), 2011, 41(2): 371-376.
[4] Qin Q D, Li W X, Zhao K W, et al. Effect of modification and aging treatment on mechanical properties of Mg 2 Si/Al composite[J]. Materials Science and Engineering A, 2010, 527(9): 2253-2257.
[5] Spencer D B, Mehrabian R, Flemings M C. Rheological behavior of Sn-15Pb in the crystallization range[J]. Metallurgical Transactions A, 1972, 3(7): 1925-1932.
[6] Guan L N, Geng L, Zhang H W, et al. Effects of stirring parameters on microstructure and tensile properties of (ABOw+SiCp)/6061Al composites fabricated by semi-solid stirring technique[J]. Transactions of Nonferrous Metals Society of China, 2011, 21(Sup.2): 274-279.
[7] 刘慧敏, 何建平, 杨滨, 等. 半固态喷射沉积TiCp/7075铝合金的晶粒长大规律[J]. 金属学报, 2006, 42(2): 158-162.
Liu Hui-min, He Jian-ping, Yang Bin, et al. Grain growth law of semi-solid state TiCp/7075 Al alloy prepared by spray deposition[J].Acta Metallurgica Sinica, 2006, 42(2): 158-162.
[8] 李树索, 赵爱民, 毛卫民, 等. 半固态过共晶Al-Si合金显微组织中近球形α相形成机理的研究[J]. 金属学报, 2000, 36(5): 545-549.
Li Shu-suo, Zhao Ai-min, Mao Wei-min, et al. Study on forming mechanism of sphere-like α phase in microstructure of semisolid hypereutectic Al-Si alloy[J]. Acta Metallurgica Sinica, 2000, 36(5): 545-549.
[9] Mohammadi H, Ketabchi M, Kalaki A. Microstructure evolution of semi-solid 7075 aluminum alloy during reheating process[J]. Journal of Materials Engineering and Performance, 2011, 20(7): 1256-1263.
[10] Qin Q D, Zhao Y G, Cong P J, et al. Semisolid microstructure of Mg 2 Si/Al composite by cooling slope cast and its evolution during partial remelting process[J]. Materials Science and Engineering A, 2007, 444(1/2): 99-103.
[11] 秦庆东. Mg 2 Si/Al复合材料组织与性能的研究[D].长春:吉林大学材料科学与工程学院, 2008.
Qin Qing-dong. Study on microstructure modification of Mg 2 Si/Al composites with its mechanics and wear properties[D].Changchun: College of Matierial Science and Engineering, Jilin University, 2008.
[12] Loue W R, Suery M. Microstructural evolution during partial remelting of Al-Si 7 Mg alloys[J]. Materials Science and Engineering A, 1995, 203(1/2): 1-13.
[13] Ferrante M, de Freitas E. Rheology and microstructural development of an Al-4wt%Cu alloy in the semi-solid state[J]. Materials Science and Engineering A, 1999, 271(1/2): 172-180.
[14] 李荣徳, 何昌国, 李润霞, 等.热挤压工艺对Al-Si合金组织和力学性能的影响[J]. 特种铸造及有色合金, 2008, 28(1): 42-44.
Li Rong-de, He Chang-guo, Li Run-xia, et al. Effects of hot extrusion on microstructure and mechanical properties of Al-Si alloy[J].Special Casting and Nonferrous Alloys, 2008, 28(1): 42-44.
[1] ZHUNG Wei-min, ZHAO Wen-zeng, XIE Dong-xuan, LI Bing. Joint performance analysis on connection of ultrahigh-strength steel and aluminum alloy with hot riveting [J]. 吉林大学学报(工学版), 2018, 48(4): 1016-1022.
[2] ZHAO Yu-guang, YANG Xue-hui, XU Xiao-feng, ZHANG Yang-yang, NING Yu-heng. Effects of Al-10Sr modifiers with different states, modification temperature and holding time on microstructure of ZL114A alloy [J]. 吉林大学学报(工学版), 2018, 48(1): 212-220.
[3] TANG Hua-guo, MA Xian-feng, ZHAO Wei, LIU Jian-wei, ZHAO Zhen-ye. Synthesis microstructure and thermal properties of high performance bulk Al [J]. 吉林大学学报(工学版), 2017, 47(5): 1542-1547.
[4] LI Chun-ling, FAN Ding, WANG Bin, YU Shu-rong. 5A06 aluminum alloy and galvanized steel butt welding-brazing by laser with preset filler powder [J]. 吉林大学学报(工学版), 2016, 46(2): 516-521.
[5] ZHANG Jia-tao, ZHAO Yu-guang, TAN Juan. Effect of starting microstructure on refining potency of electro-pulsing on reverse austenite grain [J]. 吉林大学学报(工学版), 2016, 46(1): 193-198.
[6] GUAN Qing-feng, LI Yan, HOU Xiu-li, YANG Sheng-zhi, WANG Xiao-tong. Modification of solid solution Mg-Gd-Y-Nd alloy irradiated by high current pulsed electron beam [J]. 吉林大学学报(工学版), 2015, 45(4): 1200-1205.
[7] MA Yun-hai, SHANG Wen-bo, FAN Xue-ying, GAO Zhi-hui, TONG Jin, YAN Zhi-feng, CHANG Zhi-yong. Preparation and degradation of porous β-tricalcium phosphate bioceramic for bone imitaion [J]. 吉林大学学报(工学版), 2015, 45(4): 1367-1374.
[8] GAO Song, LIANG Ji-cai, CHEN Guang-yi, WEI Zhi-yong, TENG Fei. Rapid adjusting of fundamental units in process of flexible 3D stretch-bending [J]. 吉林大学学报(工学版), 2014, 44(6): 1723-1728.
[9] HUANG Jian-kang, HE Cui-cui, SHI Yu, FAN Ding. Thermodynamic analysis of Al-Fe intermetallic compounds formed by dissimilar joining of aluminum and galvanized steel [J]. 吉林大学学报(工学版), 2014, 44(4): 1037-1041.
[10] LI Xin,WANG Gang,LU Guan-han,GU Zheng-wei,XU Hong. Weldability of 22MnB5 after hot stamping by TIG welding processes [J]. 吉林大学学报(工学版), 2014, 44(3): 708-711.
[11] GUAN Qing-feng,JI Le,CAI Jie,YANG Sheng-zhi,LIU Shi-chao,ZHANG Zai-qiang,HOU Xiu-li. Surface microstructure and properties of 3Cr13 martensitic stainless steel after high current pulsed electron beam bombardment [J]. 吉林大学学报(工学版), 2014, 44(3): 712-717.
[12] CHANG Ying, LI Ye, YING Liang, LU Jin-dong, TANG Xing-hui, GUO Wei. Effect of oxidation behavior on heat transfer dynamics performance of hot stamping steel [J]. 吉林大学学报(工学版), 2013, 43(06): 1551-1557.
[13] WANG Yun, LIU Cai, MA Li-dong, WANG Yu-feng, HUANG Qing-xue. Analysis of interval between guides during two-roll straightening process [J]. 吉林大学学报(工学版), 2013, 43(03): 677-681.
[14] SUN Ji-yu, WANG Yue-ming, PAN Chun-xiang, CONG Xian-ling. Static and dynamic nano-mechanical properties of the keratinous of cattle horns [J]. 吉林大学学报(工学版), 2012, 42(增刊1): 475-478.
[15] WANG Su-fen, PENG Yan, LI Zhi-jie, XIAO Li-zi. Cold rolling mechanical characteristics of low carbon base plate produced by compact strip production [J]. 吉林大学学报(工学版), 2012, 42(增刊1): 221-224.
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
[1] LIU Song-shan, WANG Qing-nian, WANG Wei-hua, LIN Xin. Influence of inertial mass on damping and amplitude-frequency characteristic of regenerative suspension[J]. 吉林大学学报(工学版), 2013, 43(03): 557 -563 .
[2] ZHU Jian-feng, LIN Yi, CHEN Xiao-kai, SHI Guo-biao. Structural topology optimization based design of automotive transmission housing structure[J]. 吉林大学学报(工学版), 2013, 43(03): 584 -589 .
[3] WANG Tong-jian, CHEN Jin-shi, ZHAO Feng, ZHAO Qing-bo, LIU Xin-hui, YUAN Hua-shan. Mechanical-hydraulic co-simulation and experiment of full hydraulic steering systems[J]. 吉林大学学报(工学版), 2013, 43(03): 607 -612 .
[4] ZHANG Chun-qin, JIANG Gui-yan, WU Zheng-yan. Factors influencing motor vehicle travel departure time choice behavior[J]. 吉林大学学报(工学版), 2013, 43(03): 626 -632 .
[5] XIAO Rui, DENG Zong-cai, LAN Ming-zhang, SHEN Chen-liang. Experiment research on proportions of reactive powder concrete without silica fume[J]. 吉林大学学报(工学版), 2013, 43(03): 671 -676 .
[6] ZHOU Feng-dao, WANG Jin-yu, TANG Hong-zhong, ZHANG He, ZHOU Ji-yu. Multi-frequency digital drive signal generation technology in near surface electromagnetic detection domain[J]. 吉林大学学报(工学版), 2013, 43(03): 682 -687 .
[7] OUYANG Ji-hong, WANG Zhen-xin, JING Li. Expanding 9-intersection model with metric relations[J]. 吉林大学学报(工学版), 2013, 43(03): 695 -700 .
[8] CHEN Si-guo, JIANG Xu, WANG Jian, LIU Yan-heng, DENG Wei-wen, DENG Jun-yi. Mashup of vehicular ad-hoc network and universal mobile telecommunications system[J]. 吉林大学学报(工学版), 2013, 43(03): 706 -710 .
[9] MENG Chao, SUN Zhi-xin, LIU San-min. Multiple execution paths for virus based on cloud computing[J]. 吉林大学学报(工学版), 2013, 43(03): 718 -726 .
[10] XIAN Shu, ZHENG Jin, LU Xing, ZHANG Shi-peng. Identification approach of P2P flow based on the content redistribution model[J]. 吉林大学学报(工学版), 2013, 43(03): 727 -733 .
Copyright © Journal of Jilin University(Engineering and Technology Edition), All Rights Reserved.
Tel: +86-431-85095297　Fax: +86-431-85094074　E-mail: xbgxb@jlu.edu.cn
Powered by Beijing Magtech Co. Ltd