首页> 外文会议>Materials forum - aluminium alloys, their physical and mechanical properties - Volume 28 - 2004 >The Effect of Ti Content on Mechanical Properties of an Al7Si0.35MgAlloy
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The Effect of Ti Content on Mechanical Properties of an Al7Si0.35MgAlloy

机译:Ti含量对Al7Si0.35Mg合金力学性能的影响

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摘要

The effect of titanium additions on the age hardening response and mechanical propertiesrnof an Al7Si0.35Mg alloy has been studied. It is found that titanium additions have littlerneffect on the grain size of the as-cast microstructure, particularly when TiB2 is also addedrnto the alloy. While the titanium-containing alloys have yield strengths higher than those ofrnTi-free alloys in the as-quenched condition, they exhibit a reduced age hardeningrnresponse, during isothermal ageing at 160℃, and lower yield strengths in the T6 conditionrn(4 hours at 160℃). This reduction in the increment in strength appears to be associatedrnwith preferential interactions between titanium and solute atoms.
机译:研究了添加钛对Al7Si0.35Mg合金时效硬化响应和力学性能的影响。发现钛的添加对铸态组织的晶粒尺寸几乎没有影响,特别是当TiB 2也添加到合金中时。含钛合金在淬火条件下的屈服强度高于无钛合金,但在160℃等温时效过程中,时效硬化响应降低;在T6条件下(160°C,4小时),屈服强度降低。 ℃)。强度增加的减少似乎与钛和溶质原子之间的优先相互作用有关。

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  • 来源
  • 会议地点 Brisbane(AU)
  • 作者单位

    CRC for Cast Metals Manufacturing (CAST) School of Physics and Materials Engineering, Monash University, Victoria 3800, Australia CRC for Cast Metals Manufacturing (CAST)Comalco Research and Technical Support, Thomastown, 3089, Australia;

    CRC for Cast Metals Manufacturing (CAST) School of Physics and Materials Engineering, Monash University, Victoria 3800, Australia;

    CRC for Cast Metals Manufacturing (CAST) School of Physics and Materials Engineering, Monash University, Victoria 3800, Australia;

    CRC for Cast Metals Manufacturing (CAST)Comalco Research and Technical Support, Thomastown, 3089, Australia;

    CRC for Cast Metals Manufacturing (CAST)Comalco Research and Technical Support, Thomastown, 3089, Australia;

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

    ageing; heat treatment; grain refinement;

    机译:老化;热处理;晶粒细化;

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