Cite this article as:

Research Article

Effect of TiB2 and Al3Ti on Microstructure, Mechanical Properties and Fracture Behaviour of Near Eutectic Al-12.6Si Alloy

+ Author Affiliations
  • Received: 15 January 2020Revised: 7 April 2020Accepted: 15 April 2020Available online: 16 April 2020
  • Near eutectic 12.6SiAl alloy has been developed with 0 wt%, 2 wt. %, 4 wt.% and 6 wt.% Al-5Ti-1B master alloy. Microstructural morphology, hardness, tensile strength, elongation and fracture behaviour of the alloys have been studied. The unmodified 12.6SiAl alloy has an irregular needle and platy eutectic silicon (ESi) and coarse polygonal primary silicon (PSi) particles in the matrix-like α-Al phase. The PSi, ESi and α-Al morphology and volume fraction have been changed due to the addition of Al-5Ti-1B master alloy. As an effect of microstructure modification, hardness, UTS and % elongation improved. Nano-sized in-situ Al3Ti particles and ex-situ TiB2 particles are the cause of microstructural modification. The fracture images of the developed alloys exhibit a ductile and brittle mode of fracture at the same time. The Al-5Ti-1B modified alloys have a more ductile mode of fracture and dimples compared to the unmodified one.
  • 加载中
  •  

  • [1] Yu-ting Wu,Chong Li,Ye-fan Li,Jing Wu,Xing-chuan Xia, and Yong-chang Liu, Effects of heat treatment on the microstructure and mechanical properties of Ni3Al-based superalloys: A review, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-020-2177-y
    [2] Yang Cao,Dan-dan Zhang,Pei-jun Zhou,Kun Liu,Wu-yi Ming, and Jun Ma, Reinforcing effect of laminate structure on the fracture toughness of Al3Ti intermetallic, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1899-1
    [3] Betül Kafkaslıoğlu Yıldız, Hüseyin Yılmaz, and  Yahya Kemal Tür, Influence of nickel addition on the microstructure and mechanical properties of Al2O3-5vol%ZrO2 ceramic composites prepared via precipitation method, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1792-y
    [4] Gao-yong Lin, Xin Tan, Di Feng, Jing-li Wang, and  Yu-xia Lei, Effects of conform continuous extrusion and heat treatment on the microstructure and mechanical properties of Al-13Si-7.5Cu-1Mg alloy, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1815-8
    [5] Gao-jie Li, Ming-xing Guo, Yu Wang, Cai-hui Zheng, Ji-shan Zhang, and  Lin-zhong Zhuang, Effect of Ni addition on microstructure and mechanical properties of Al-Mg-Si-Cu-Zn alloys with a high Mg/Si ratio, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1778-9
    [6] Jia-hong Zhang, Shu-ming Xing, Xiao-hui Ao, Peng Sun, and  Ru-fen Wang, Effect of Ca modification on the elemental composition, microstructure and tensile properties of Al-7Si-0.3Mg alloy, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1838-1
    [7] Harshpreet Singh, Muhammad Hayat, Hongzhou Zhang, Raj Das, and  Peng Cao, Effect of TiB2 content on microstructure and properties of in situ Ti-TiB composites, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1797-6
    [8] Hui Xu, Gong-zhen Zhang, Wei Cui, Shu-bin Ren, Qian-jin Wang, and  Xuan-hui Qu, Effect of Al2O3sf addition on the friction and wear properties of (SiCp+Al2O3sf)/Al2024 composites fabricated by pressure infiltration, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-018-1581-z
    [9] Dong-tao Wang, Hai-tao Zhang, Lei Li, Hai-lin Wu, Ke Qin, and  Jian-zhong Cui, The evolution of microstructure and mechanical properties during high-speed direct-chill casting in different Al-Mg2Si in situ composites, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-018-1659-7
    [10] Bao-biao Yu, Hong Yan, Qing-jie Wu, Zhi Hu, and  Fan-hui Chen, Microstructure and corrosion behavior of Al3Ti/ADC12 composite modified with Sr, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-018-1633-4
    [11] Xiao-feng Wang, Ming-xing Guo, Cun-qiang Ma, Jian-bin Chen, Ji-shan Zhang, and  Lin-zhong Zhuang, Effect of particle size distribution on the microstructure, texture, and mechanical properties of Al–Mg–Si–Cu alloy, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-018-1645-0
    [12] R. Ahmad, M. B. A. Asmael, N. R. Shahizan, and  S. Gandouz, Reduction in secondary dendrite arm spacing in cast eutectic Al-Si piston alloys by cerium addition, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-017-1382-9
    [13] Hong-xiang Li, Xin-yu Nie, Zan-bing He, Kang-ning Zhao, Qiang Du, Ji-shan Zhang, and  Lin-zhong Zhuang, Interfacial microstructure and mechanical properties of Ti-6Al-4V/Al7050 joints fabricated using the insert molding method, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-017-1534-y
    [14] Xiu-ying Ni, Jun Zhao, Jia-lin Sun, Feng Gong, and  Zuo-li Li, Effects of metal binder on the microstructure and mechanical properties of Al2O3-based micro-nanocomposite ceramic tool material, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-017-1466-6
    [15] Zhi-hao Zhang, Jie Xue, Yan-bin Jiang, and  Feng Jin, Effect of pre-annealing treatment on the microstructure and mechanical properties of extruded Al-Zn-Mg-Cu alloy bars, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-017-1521-3
    [16] Zuo-li Li, Jun Zhao, Jia-lin Sun, Feng Gong, and  Xiu-ying Ni, Reinforcing effect of graphene on the mechanical properties of Al2O3/TiC ceramics, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-017-1533-z
    [17] I. Narasimha Murthy and  J. Babu Rao, Evaluation of the microstructure, secondary dendrite arm spacing, and mechanical properties of Al-Si alloy castings made in sand and Fe-Cr slag molds, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-017-1462-x
    [18] Mohammad Baghani and  Mahmood Aliofkhazraei, CuCrW(Al2O3) nanocomposite:mechanical alloying, microstructure, and tribological properties, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-017-1524-0
    [19] Chun-duo Dai, Rui-na Ma, Wei Wang, Xiao-ming Cao, and  Yan Yu, Microstructure and properties of an Al-Ti-Cu-Si brazing alloy for SiC-metal joining, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-017-1437-y
    [20] Li Zhang, Bao-lin Wu, and  Yu-lin Liu, Microstructure and mechanical properties of a hot-extruded Al-based composite reinforced with core-shell-structured Ti/Al3Ti, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-017-1536-9
  • 加载中
通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

  1. 本站搜索
  2. 百度学术搜索
  3. 万方数据库搜索
  4. CNKI搜索

Share Article

Article Metrics

Article views(785) PDF downloads(18) Cited by()

Proportional views

Effect of TiB2 and Al3Ti on Microstructure, Mechanical Properties and Fracture Behaviour of Near Eutectic Al-12.6Si Alloy

  • Corresponding author:

    Manas Kumar Mondal    E-mail: manas.nitdgp@gmail.com

  • 1. Department of Metallurgical and Materials Engineering, National Institute of Technology, Durgapur, Durgapur-713209, West Bengal, India
  • 2. Department of NDT and Metallurgy Group, CSIR-Central Mechanical Engineering Research Institute, Durgapur-713209, West Bengal, India

Abstract: Near eutectic 12.6SiAl alloy has been developed with 0 wt%, 2 wt. %, 4 wt.% and 6 wt.% Al-5Ti-1B master alloy. Microstructural morphology, hardness, tensile strength, elongation and fracture behaviour of the alloys have been studied. The unmodified 12.6SiAl alloy has an irregular needle and platy eutectic silicon (ESi) and coarse polygonal primary silicon (PSi) particles in the matrix-like α-Al phase. The PSi, ESi and α-Al morphology and volume fraction have been changed due to the addition of Al-5Ti-1B master alloy. As an effect of microstructure modification, hardness, UTS and % elongation improved. Nano-sized in-situ Al3Ti particles and ex-situ TiB2 particles are the cause of microstructural modification. The fracture images of the developed alloys exhibit a ductile and brittle mode of fracture at the same time. The Al-5Ti-1B modified alloys have a more ductile mode of fracture and dimples compared to the unmodified one.

Catalog

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return