کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1581318 | 1514858 | 2009 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The effect of strong magnetic field treatment on microstructure and room temperature compressive properties of NiAl-Cr(Mo)-Hf eutectic alloy
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
دانش مواد (عمومی)
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
The Ni-33Al-28Cr-6Mo-0.2Hf (at.%) eutectic alloy was treated in a 10Â T strong magnetic field at 1073Â K, 1173Â K and 1273Â K for 1Â h, respectively. Microstructure examination reveals that after the strong magnetic field treatment, Heusler particles (Ni2AlHf) along eutectic cell boundaries distribute more uniformly, and moreover most Heusler particles have changed into Hf solid solution. In addition, after strong magnetic field treatment at 1173Â K and 1273Â K, the original eutectic cellular morphology is changed greatly; Cr(Mo) plates become spheroidizing and trend to align to the direction of strong magnetic field. The compression tests show that room temperature compressive ductility of the alloys with strong magnetic field treatment improves significantly, compared with the heat-treated alloy. The fracture characteristics change from debonding into transgranular cleavage, which indicates that the cohesion of grain boundaries get significant improvement.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science and Engineering: A - Volume 500, Issues 1â2, 25 January 2009, Pages 238-243
Journal: Materials Science and Engineering: A - Volume 500, Issues 1â2, 25 January 2009, Pages 238-243
نویسندگان
L.Y. Sheng, J.T. Guo, L.Z. Zhou, H.Q. Ye,