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| 1 | Effects of Metalloid B Addition on the Glass Formation,Magnetic and Mechanical Properties of FePCB Bulk Metallic Glasses显示文摘Low-cost Fe80P12-xC8Bx(x = 0,1,2,3 and 4 at.%) bulk metallic glasses(BMGs) with good soft magnetic and mechanical properties were prepared,and effects of metalloid B addition on the glass-forming ability(GFA) as well as thermal,magnetic,and mechanical properties of the BMGs were investigated.It was found that the proper B substitution for P improves the GFA of the Fe-P-C BMGs.The alloy with2 at.%B addition manifests the highest GFA with critical diameter for glass formation of 2 mm.Besides,these BMGs exhibit good soft magnetic properties featured by high saturation magnetization of 1.35一1.57 T and low coercivity of 2.2-7.7 A/m as well as unique mechanical properties of high fracture strength of3.3 GPa and visible plastic strain of 0.4%-2.5%.The combination of high GFA,good soft magnetic and mechanical properties as well as low cost makes the present Fe-P-C-B BMGs promising as soft magnetic materials for industrial applications. | Minjie Shi Zengqian Liu Tao Zhang | 2015 | Journal of Materials Science & Technology2015，31，5： | 1 |
| 2 | Thermal Stability and Transformation-mediated Deformability of Cu-Zr-Al-Ni Bulk Metallic Glass Composite显示文摘The glass-forming ability and the thermal stabilityof Cu45Zr45Al5Ni5 metallic glass were systematically investigated by the differential scanning calorimetry.The activation energies for the glass transition and the onset crystallization and the crystallization peak were calculated to be 255.1,308.7 and 311.5 kJ/mol,respectively,while the corresponding liquid fragility was determined to be 23.4.By controlling the casting process,Cu45Zr45Al5Ni5 bulk metallic glass composite with the presence of ductile B2 CuZr phase was fabricated.The composite shows a pronounced plastic strain of 6.8 0.05% with obvious work hardening,which results from the formation of multiple shear bands and the deformation-induced martensitic transformation. | Meiting Xie Pengna Zhang Kaikai Song | 2013 | Journal of Materials Science & Technology2013，29，9： | 0 |
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