A Calorimetric Study on the Precipitation of Ti Phase during the Ageing of an AI-Li-Cu-Zr Alloy

S Ahmadi; A. Shokuhfar; M.R. Abotalebi; A Rezaei

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A Calorimetric Study on the Precipitation of Ti Phase during the Ageing of an AI-Li-Cu-Zr Alloy

机译：Al-Li-Cu-Zr合金时效过程中Ti相析出的量热研究

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The precipitation of Ti phase during the ageing of an Al- Li- Cu -Zr alloy sheet was studied by DSC (Differential Scanning Calorimetric) technique. Results showed that precipitation of Tj phase occurred in temperature range of 250cC to 300°C whereas its dissolution occurred within the temperature of 450°C to 530°C. Furthermore, activation energies for precipitation and dissolution of T phase were determined 122.1 kJ/mol and 130.3 kJ/mol, respectively.

机译：利用差示扫描量热法研究了Al-Li-Cu-Zr合金薄板时效过程中Ti相的析出。结果表明，Tj相的析出发生在250℃至300℃的温度范围内，而其溶解发生在450℃至530℃的温度范围内。此外，用于T 1相沉淀和溶解的活化能分别确定为122.1kJ / mol和130.3kJ / mol。

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《Diffusion and Defect Data. Solid State Data, Part A. Defect and Diffusion Forum》 |2008年第0期|共4页
作者
S Ahmadi; A. Shokuhfar; M.R. Abotalebi; A Rezaei;
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正文语种 eng
中图分类分析化学;
关键词
aluminum- lithium alloys; GP zones; differential scanning calorimetric; activation energy;

机译：铝锂合金;GP区;差示扫描量热法;活化能;

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5. A Calorimetric Study on the Precipitation of Ti Phase during the Ageing of an AI-Li-Cu-Zr Alloy [J] . S Ahmadi, A. Shokuhfar, M.R. Abotalebi, Diffusion and Defect Data. Solid State Data, Part A. Defect and Diffusion Forum . 2008,第0期

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A Calorimetric Study on the Precipitation of Ti Phase during the Ageing of an AI-Li-Cu-Zr Alloy

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