کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7973288 | 1514625 | 2018 | 30 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effect of Zr content on damping property of Mg-Zr binary alloys
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
دانش مواد (عمومی)
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
The damping property expressed by internal friction tanâ¡Ï of as-cast Mg-Zr binary alloys with Zr content from 0.6 to 5.0% was experimentally measured under conditions of changing temperature from ambient temperature Tam to 600â¯K (327â¯Â°C), vibration frequency f from 1.0 to 10.0â¯Hz, strain ε from 1.0 à 10-6 to 1.0 à 10-3, and heating rate ν from 2 to 5â¯K/min. The experimental results indicate that the damping property of prepared as-cast Mg-Zr binary alloys can be effectively promoted by increasing either heating rate ν or strain ε. Increasing vibration frequency f can effectively decrease the damping property, however increasing vibration frequency f has little effect on the plots of internal friction tanâ¡Ï against temperature T, i.e., T-tanÏ curve, under the condition of f > 5.0â¯Hz. The optimal Zr content of the as-cast Mg-Zr binary alloys with better performance of damping property is recommended to be 0.6 mass % in a range of Zr content from 0.6 to 5.0%. Furthermore, the effect of strain ε on damping property for the as-cast Mg-Zr binary alloys can be ideally explained by dislocation pinning theory or the G-L model, while the influence of temperature T on damping property for the as-cast Mg-Zr binary alloys complies with the viscoelastic relaxation behaviour.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science and Engineering: A - Volume 718, 7 March 2018, Pages 418-426
Journal: Materials Science and Engineering: A - Volume 718, 7 March 2018, Pages 418-426
نویسندگان
Rui-long Niu, Fang-jia Yan, Yun-si Wang, Dong-ping Duan, Xue-min Yang,