کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1635941 | 1516968 | 2014 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Influence of Li addition on mechanical property and aging precipitation behavior of Al-3.5Cu-1.5Mg alloy
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Influence of Li addition on mechanical property and aging precipitation behavior of Al-3.5Cu-1.5Mg alloy Influence of Li addition on mechanical property and aging precipitation behavior of Al-3.5Cu-1.5Mg alloy](/preview/png/1635941.png)
چکیده انگلیسی
The influence of Li addition on mechanical property and aging precipitation behavior of Al-3.5Cu-1.5Mg alloy was investigated by tensile test, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and high resolution transmission electron microscopy (HRTEM). The results show that the tensile strength can be significantly improved with the slightly decreased ductility and the form of fracture morphology is converted from ductile fracture into ductile/brittle mixed fracture by adding 1.0% Li. Besides, the peak aging time at 185 °C is delayed from 12 to 24 h and the main precipitation phase S'(Al2CuMg) is converted into S' (Al2CuMg)+δ'(Al3Li), while the formation of S'(Al2CuMg) is delayed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Transactions of Nonferrous Metals Society of China - Volume 24, Issue 6, June 2014, Pages 1653-1658
Journal: Transactions of Nonferrous Metals Society of China - Volume 24, Issue 6, June 2014, Pages 1653-1658
نویسندگان
Yun-lai DENG, Jin-long YANG, Si-yu LI, Jin ZHANG, Xin-ming ZHANG,