کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7976353 | 1514693 | 2016 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Influence of loading path and precipitates on indentation creep behavior of wrought Mg-6Â wt% Al-1Â wt% Zn magnesium alloy
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
دانش مواد (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Influence of loading path and precipitates on indentation creep behavior of wrought Mg-6Â wt% Al-1Â wt% Zn magnesium alloy Influence of loading path and precipitates on indentation creep behavior of wrought Mg-6Â wt% Al-1Â wt% Zn magnesium alloy](/preview/png/7976353.png)
چکیده انگلیسی
This study reports the effect of loading path and precipitates on indentation induced creep behavior of AZ61 magnesium alloy. Indentation creep tests were performed on solution-treated and peak-aged extruded AZ61 magnesium alloy, and Atomic Force Microscopy (AFM) investigations were carried out to study deformation mechanisms. Twinning is the dominant creep mechanism for indentation along the extrusion direction (ED) in solution-treated alloy. A combination of slip and twinning appears to be the prominent mechanisms for indentation creep perpendicular to ED. Creep flow is arrested for indentation perpendicular to ED, due to slip-twin interactions. Influence of precipitates on creep deformation was also studied. Aged specimen exhibited higher creep resistance than solution-treated specimen. Unlike solution-treated specimens, twinning was not observed in aged alloy. Creep in aged specimen was attributed to slip.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science and Engineering: A - Volume 650, 5 January 2016, Pages 183-189
Journal: Materials Science and Engineering: A - Volume 650, 5 January 2016, Pages 183-189
نویسندگان
Pranjal Nautiyal, Jayant Jain, Arvind Agarwal,