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

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The deformation behavior of Al-1Si and Al-11Si 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 σ (Al3CuNi), Q (Al5Cu2Mg8Si6), τ1 (Al9FeNi) and Si particles. At 200°C to 300°C, the yield and ultimate tensile strength of Al-11Si were higher than Al-1Si. It can be found that the mount of intermetallic σ particles increasing will increase the deformation resistance whereas Si particle is detrimental. However, at elevated temperatures, Al-1Si would exhibit a higher elongation at 450°C but Al-11Si was higher than Al-1Si after 400°C. Microstructural observations showed Si particles would restrain the failure of matrix and increase the ductility.

Original languageEnglish
Title of host publicationLight Metals 2012
PublisherSpringer International Publishing
Pages461-466
Number of pages6
ISBN (Electronic)9783319481791
ISBN (Print)9781118291399
DOIs
Publication statusPublished - 2016 Jan 1

Fingerprint

Silicon
Tensile properties
Plastic flow
Intermetallics
Ductility
Elongation
Aluminum alloys
Tensile strength
Temperature
Hot Temperature

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Materials Science(all)

Cite this

Chuang, Hsu Chi ; Lui, Truan-Sheng ; Chen, Li Hui. / Effect of silicon particles on the tensile properties of heat resistant Al-Si-Cu-Ni-Mg alloy pertaining to different tensile temperature. Light Metals 2012. Springer International Publishing, 2016. pp. 461-466
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Effect of silicon particles on the tensile properties of heat resistant Al-Si-Cu-Ni-Mg alloy pertaining to different tensile temperature. / Chuang, Hsu Chi; Lui, Truan-Sheng; Chen, Li Hui.

Light Metals 2012. Springer International Publishing, 2016. p. 461-466.

Research output: Chapter in Book/Report/Conference proceedingChapter

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AB - The deformation behavior of Al-1Si and Al-11Si 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 σ (Al3CuNi), Q (Al5Cu2Mg8Si6), τ1 (Al9FeNi) and Si particles. At 200°C to 300°C, the yield and ultimate tensile strength of Al-11Si were higher than Al-1Si. It can be found that the mount of intermetallic σ particles increasing will increase the deformation resistance whereas Si particle is detrimental. However, at elevated temperatures, Al-1Si would exhibit a higher elongation at 450°C but Al-11Si was higher than Al-1Si after 400°C. Microstructural observations showed Si particles would restrain the failure of matrix and increase the ductility.

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