کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7999935 | 1516270 | 2015 | 21 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Mechanism of texture enhancement in nanocomposite magnets during process of die upsetting coupled with Nd-Cu grain boundary diffusion
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Mechanism of texture enhancement in nanocomposite magnets during process of die upsetting coupled with Nd-Cu grain boundary diffusion Mechanism of texture enhancement in nanocomposite magnets during process of die upsetting coupled with Nd-Cu grain boundary diffusion](/preview/png/7999935.png)
چکیده انگلیسی
The microstructure of die-upset nanocomposite magnets with different height reduction was studied to investigate the mechanism of texture development in processes of die upsetting coupled with Nd-Cu grain boundary diffusion. At beginning stage of die upsetting process, inhomogeneous Nd-Cu grain boundary diffusion results in two kinds of different grain boundary microstructures. As for adjacent grains with grain boundary phase, the stress-induced solution-precipitation underlies the formation of the platelet-shaped grains and texture enhancement. Whereas there are two types of texture enhancement for the neighboring grains without grain boundary phase: grain boundary sliding and grain devouring. As die upsetting further proceeds, the stress-induced solution precipitation is the dominant mechanism for texture enhancement due to fuller Nd-Cu grain boundary diffusion.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 623, 25 February 2015, Pages 386-392
Journal: Journal of Alloys and Compounds - Volume 623, 25 February 2015, Pages 386-392
نویسندگان
Xin Tang, Renjie Chen, Wenzong Yin, Jinzhi Wang, Xu Tang, Don Lee, Aru Yan,