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低纯度原料制备铁基非晶合金的形成能力和磁学性能.pdf
Trans. Nonferrous Met. Soc. China 27(2017) 857−862
Glass formation and magnetic properties of
Fe-based metallic glasses fabricated by low-purity industrial materials
Man ZHU, Yang FA, Zeng-yun JIAN, Li-juan YAO, Chang -qing JIN, Jun-feng XU, Rui-hua NAN, Fang-e CHANG
School of Materials and Chemical Engineering, Xi’an Technological University, Xi’an 710021, China
Received 1 February 2016; accepted 30 August 2016
Abstract: Fe-based metallic glasses of (Fe Nb B ) Cr (x=1, 3, 5) with high glass forming ability (GFA) and good magnetic
74 6 20 100−x x
properties were prepared using low-purity raw materials. Increasing Cr content does not significantly change glass transition
temperature and onset crystallization temperature, while it enhances liquidus temperature. The addition of Cr improves the GFA of
the (Fe Nb B ) Cr glassy alloys compared to that in Cr-free Fe−Nb−B alloys, in which the supercooled liquid region (T ), T
74 6 20 100−x x x rg
and γ are found to be 50−54 K, 0.526−0.538, and 0.367−0.371, respectively. The (Fe Nb B ) Cr glassy alloys exhibit excellent
74 6 20 100−x x
2
soft magnetic properties with high saturation magnetization of 139−161 A ·m /kg and low coercivity of 30.24−58.9 A/m. Present
Fe−Nb−B−Cr glassy alloys exhibiting high GFA as well as excellent magnetic properties and low
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