کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1574732 | 1514725 | 2014 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effect of rolling passes on the microstructures and mechanical properties of Mg-Gd-Y-Zr alloy sheets
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
دانش مواد (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effect of rolling passes on the microstructures and mechanical properties of Mg-Gd-Y-Zr alloy sheets Effect of rolling passes on the microstructures and mechanical properties of Mg-Gd-Y-Zr alloy sheets](/preview/png/1574732.png)
چکیده انگلیسی
Microstructures and mechanical properties of the pre-extruded Mg-8Gd-3Y-0.4Zr (wt%) alloy in different rolling passes were investigated. The microstructure became homogeneous, which was composed of almost ultrafine dynamically recrystallized grains (6.5 μm) after 5 hot-rolling passes, i.e., total thickness reduction of ~80%. Dynamic precipitation happened in the hot rolling of the alloy and βⲠphase precipitates were observed and studied in the peak-aged alloy. With the increase of rolling passes, the equilibrium Mg5(Gd,Y) dynamic precipitates increased while the grain size and the (0002) basal texture followed the opposite trend, and the dynamic precipitation may weaken the ageing precipitation strengthening. The mechanical properties of the as-rolled sample after 5 hot-rolling passes were improved, and the ultimate tensile strength, tensile yield strength and elongation to failure reached 326 MPa, 249 MP and 12%, respectively.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science and Engineering: A - Volume 618, 17 November 2014, Pages 232-237
Journal: Materials Science and Engineering: A - Volume 618, 17 November 2014, Pages 232-237
نویسندگان
Zu-Bin Chen, Chu-Ming Liu, Hong-Chao Xiao, Jun-Kai Wang, Zhi-Yong Chen, Shu-Nong Jiang, Zai-Jun Su,