Effect of Silicon Particles on the Tensile Properties of Heat Resistant Al-Si-Cu-Ni-Mg Alloy Pertaining to Different Tensile Temperature

Hsu Chi Chuang, Truan Sheng Lui, Li Hui Chen

研究成果: Chapter

摘要

The deformation behavior of Al-1 Si and Al-11 Si aluminum alloy in hot tensile procedure from 200 C to 450 C was investigated in this study. The results indicated that the flow stress was strongly dependent on second phase particles of δ (Al3CuNi), Q (Al5Cu2Mg8Si6), τ1 (Al9FeNi) and Si particles. At 200 °C to 300 °C, the yield and ultimate tensile strength of Al-11 Si were higher than Al-1 Si. It can be found that the mount of intermetallic δ particles increasing will increase the deformation resistance whereas Si particle is detrimental. However, at elevated temperatures, Al-1 Si would exhibit a higher elongation at 450 °C but Al-11 Si was higher than Al-1 Si after 400 °C. Microstructural observations showed Si particles would restrain the failure of matrix and increase the ductility.

原文English
主出版物標題Light Metals 2012
發行者wiley
頁面461-466
頁數6
ISBN(電子)9781118359259
ISBN(列印)9781118291399
DOIs
出版狀態Published - 2012 5月 24

All Science Journal Classification (ASJC) codes

  • 工程 (全部)
  • 材料科學(全部)

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