Investigation of Homogenization Treatment in Al- Li- Cu- Zr Alloys

摘要:

文章预览

Aluminum-Lithium alloys were developed as major replacements for existing aluminum alloys to reduce the weight of aircraft and aerospace structures. Mechanical properties of Al-Li alloys greatly depend on solidification conditions. Other than reducing the microsegregation, homogenization treatment has other effects on the microstructure of Al-Li ingots. In this research, effects of homogenization treatment at constant temperature (500°C) on the precipitation in the microstructure of Al-1Li-3Cu-0.1Zr (wt %) and Al-2Li-3Cu- 0.1Zr (wt %) specimens have been investigated. Results show that homogenization at 500°C for 24 hours not only increases the hardness and phases precipitating in grain but also reduces microsegregation of Fe in grain boundaries.

信息:

期刊:

编辑:

Prof. Andreas Öchsner and Prof. Graeme E. Murch

页数:

536-541

引用:

A. Rezaei et al., "Investigation of Homogenization Treatment in Al- Li- Cu- Zr Alloys", Defect and Diffusion Forum, Vols. 273-276, pp. 536-541, 2008

上线时间:

February 2008

输出:

价格:

$38.00

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