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首页> 外文期刊>Materials Science and Engineering >Evaluation of mechanical properties of partially amorphous and nanocrystalline Al_(50)Ti_(40)Si_(10) composites prepared by mechanical alloying and hot isostatic pressing
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Evaluation of mechanical properties of partially amorphous and nanocrystalline Al_(50)Ti_(40)Si_(10) composites prepared by mechanical alloying and hot isostatic pressing

机译：机械合金化和热等静压制备的部分非晶和纳米晶Al_（50）Ti_（40）Si_（10）复合材料的力学性能评估

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摘要

Mechanically alloyed in situ nano Al_3Ti dispersed Al_(50)Ti_(40)Si_(10) amorphous matrix alloy powder was consolidated by hot isostatic pressing in the temperature range of 300-600 ℃ with a pressure of 1.2 GPa and holed at this temperature for 10 min. Microstructural and phase evolution studies of the mechanically alloyed powder and sintered compacts were conducted by X-ray diffraction and transmission electron microscopy. Alloy sintered at 500 ℃ recorded an excellent combination of high hardness (8.61 GPa), compressive strength (1212 MPa) and Young's modulus (149 GPa). Furthermore, these results have been compared with that of earlier studies based on conventional sintering (CCS), and high pressure sintering (HPS).
机译：在300-600℃的温度范围内，在1.2 GPa的压力下，通过热等静压压制将机械合金化的原位纳米Al_3Ti分散的Al_（50）Ti_（40）Si_（10）非晶基合金粉末固结并在该温度下开孔10分钟通过X射线衍射和透射电子显微镜对机械合金粉末和烧结体的微观结构和相演化进行了研究。在500℃下烧结的合金具有高硬度（8.61 GPa），抗压强度（1212 MPa）和杨氏模量（149 GPa）的优异组合。此外，这些结果已与基于传统烧结（CCS）和高压烧结（HPS）的早期研究进行了比较。

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  • 来源
    《Materials Science and Engineering》 |2012年第15期|p.21-27|共7页
  • 作者

    D.Roy; Mitra; O.A.Ojo; S.S.Singh; D. Kolesnikov; W.Lojkowski; R.O.Scattergood; C.C.Koch; I.Manna;

  • 作者单位

    Mechanical and Manufacturing Engineering Department, University of Manitoba, Winnipeg, Canada R3T2N2,Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695-7907, USA,Metallurgical and Materials Engineering Department, Indian Institute of Technology, Kharagpur 721302, India,Metallurgical and Materials Engineering Department, NIFFT, Ranchi 834003, India,Polish Academy of Sciences, Institute of High Pressure Physics (UNIPRESS), Sokolowska 29/37, Warszawa 01-142, Poland,Central Class & Ceramic Research Institute, Jadavpur, Kolkata 700032, India;

    Metallurgical and Materials Engineering Department, Indian Institute of Technology, Kharagpur 721302, India;

    Mechanical and Manufacturing Engineering Department, University of Manitoba, Winnipeg, Canada R3T2N2;

    Metallurgical and Materials Engineering Department, Indian Institute of Technology, Kharagpur 721302, India;

    Polish Academy of Sciences, Institute of High Pressure Physics (UNIPRESS), Sokolowska 29/37, Warszawa 01-142, Poland;

    Polish Academy of Sciences, Institute of High Pressure Physics (UNIPRESS), Sokolowska 29/37, Warszawa 01-142, Poland;

    Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695-7907, USA;

    Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695-7907, USA;

    Central Class & Ceramic Research Institute, Jadavpur, Kolkata 700032, India;

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  • 正文语种 eng
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  • 关键词

    nano-structure; mechanical properties; electron microscopy; hot isostatic pressing;

    机译：纳米结构机械性能电子显微镜;等静压;

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