2009
DOI: 10.1007/s11661-008-9706-z
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Microstructure and Magnetic Properties in Fe61Co9−x Zr8Mo5W x B17 (0 ≤ x ≤ 3) Glasses and Glass-Matrix Composites

Abstract: By systematically investigating the Fe 61 Co 9Àx Zr 8 Mo 5 W x B 17 (0 £ x £ 3) melt-spun ribbons and copper-mold cast cylinders with 2-mm diameter, we attempt to discover the effect of tungsten on the microstructure and magnetic properties of the Fe-based glass formers. It was found that all as-spun ribbons are fully amorphous and their characteristic distance d a has an increasing tendency with tungsten content (c W ). The precipitates in the as-cast cylinders change from the ferromagnetic phases (Fe 23 Zr 6… Show more

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Cited by 16 publications
(5 citation statements)
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“…As shown in our previous work, minor tungsten addition can significantly increase the nucleation activation energy of the primary crystallization [17], reduce the thermal expansion coefficients [18], improve the GFA [19], and deteriorate the saturation magnetism [20] of the Fe-Co-Zr-Mo-B system. Earlier work of Davis's group shows that W and Mo have a negative effect on the intrinsic saturation magnetization (M S ) of the Fe-based system [12].…”
Section: Introductionsupporting
confidence: 56%
See 1 more Smart Citation
“…As shown in our previous work, minor tungsten addition can significantly increase the nucleation activation energy of the primary crystallization [17], reduce the thermal expansion coefficients [18], improve the GFA [19], and deteriorate the saturation magnetism [20] of the Fe-Co-Zr-Mo-B system. Earlier work of Davis's group shows that W and Mo have a negative effect on the intrinsic saturation magnetization (M S ) of the Fe-based system [12].…”
Section: Introductionsupporting
confidence: 56%
“…4a). Since the precipitates are often coexisting with the α-Fe phase, the T c of which is higher than the measuring limit (973 K), the M h 800 is dependent rather on the volume fraction of precipitates in the as-quenched state than on the amorphous matrix [20]. Hence, it is expected that the M h 800 of the samples correlates with the intensity of the crystalline peaks in the XRD patterns (Fig.…”
Section: Resultsmentioning
confidence: 98%
“…According to the two-structure model [29], iron atoms exist in the amorphous state with face-centered-cubic (fcc) and bodycentered-cubic (bcc) structural units simultaneously. From Fig.…”
Section: Deviation Degree From the Equilibrium State Of As-spun Fe-bamentioning
confidence: 99%
“…Based on the element date [43], the average atomic radius r of Zr0, Zr0.5 and Zr1 ribbons is 1.301, 1.302 and 1.303 Å, respectively. According to the equation on the characteristic distance [44][45][46]:…”
Section: Discussionmentioning
confidence: 99%