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Improving the mechanical properties of pure magnesium by three-roll planetary milling

机译:通过三辊行星式铣削改善纯镁的机械性能

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摘要

In this study three-roll planetary milling was used to trial its potential for enhancing the mechanical properties of pure magnesium. The material was subjected to several passes of planetary milling at progressively decreased temperatures, down to room temperature for the last pass. It was shown that with increased number of passes the grain size was reduced, eventually to the micron range. Concurrently, the microstructure became increasingly more uniform across the billet. After six passes pure magnesium showed an excellent combination of tensile properties at room temperature, with a yield stress of 116 MPa and a strain to failure of 13%.
机译:在这项研究中,使用三辊行星式铣削来试验其增强纯镁机械性能的潜力。在逐渐降低的温度下,对材料进行了数次行星式铣削加工,直到最后一次通过降低到室温。结果表明,随着通过次数的增加,晶粒尺寸减小,最终减小到微米范围。同时,整个坯料的微观结构变得越来越均匀。经过六次通过后,纯镁在室温下表现出优异的拉伸性能组合,屈服应力为116 MPa,破坏应变为13%。

著录项

  • 来源
    《Materials Science and Engineering》 |2014年第26期|287-292|共6页
  • 作者单位

    Department of Materials Science and Engineering, Seoul National University, 151-742, Republic of Korea;

    Department of Materials Science and Engineering, Seoul National University, 151-742, Republic of Korea;

    A.A. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninsky Prospect 49, Moscow 119991, Russia;

    A.A. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninsky Prospect 49, Moscow 119991, Russia,Laboratory of Hybrid Nanostructured Materials, National University of Science and Technology 'MISIS', Leninsky Prospect 4, Moscow 119049, Russia;

    Laboratory of Hybrid Nanostructured Materials, National University of Science and Technology 'MISIS', Leninsky Prospect 4, Moscow 119049, Russia,Centre for Advanced Hybrid Materials, Department of Materials Engineering, Monash University, Clayton, VIC 2800, Australia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Magnesium; Three-roll planetary milling; Deformation; Strength; Ductility;

    机译:镁;三辊行星铣削;形变;强度;延展性;

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