Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Dong Yuan-Da"'
Publikováno v:
Chinese Physics Letters. 25:3414-3417
We report the amorphization induced high magneto-caloric effect (MCE) of recently developed Gd55Al15Ni30 bulk metallic glass (BMG). The magnetic properties of the Gd55Al15Ni30 BMG are investigated in comparison with that of its crystalline counterpar
Publikováno v:
Journal of Alloys and Compounds. 458:18-21
The glass formation ability, the structure and the magnetocaloric effect of the bulk metallic glassy Gd55Co20Fe5Al20 alloy were investigated. Bulk metallic glassy (BMGs) alloys were prepared by a copper-mold casting method. The glass forming ability
Publikováno v:
Journal of Rare Earths. 25:74-78
The influence of Ga addition on the crystallization behavior and the magnetic properties of nanocomposite Nd 2 Fe 14 B-based/α-Fe magnets was investigated. It was found that the addition of 0.2% did not change the crystallization temperature of amor
Publikováno v:
Journal of Alloys and Compounds. 376:145-148
Thermal stability and glass-forming ability of Zr 65− x Al 10 Ni 10 Cu 15 Be x ( x =0, 3, 6, 9, 12.5, 16) bulk metallic glasses were investigated by differential scanning calorimetry, differential thermal analysis, X-ray diffraction and high-resolu
Publikováno v:
Journal of Shanghai University (English Edition). 6:176-180
The crystal structure and morphology of syndiotactic polystyrene (sPS) melt-crystallized in various electrostatic fields have been investigated by using wide angle X-ray diffraction (WAXD), differential scanning calorimeter (DSC) and scanning electro
Publikováno v:
Journal of Alloys and Compounds. 264:267-270
Mixtures of elemental powders of nominal composition WC–6wt%Co and WC–6wt%Co–1wt%VC were prepared using 99.5% purity tungsten, graphite, cobalt and vanadium powders with particle sizes smaller than 75 μm. Mechanical alloying (MA) was performed
Publikováno v:
Acta Physica Sinica (Overseas Edition). 3:567-572
A metastable alloy with composition Fe60Cu40 can be prepared in single phase of a fcc structure by mechanical alloying, although Fe-Cu system is virtually immiscible in its equilibrium state at ambient temperature. The Mossbauer spectra of this super
Autor:
Xu Hui, Dong Yuan-Da, Wang Xian-hong, Qiao Xiu-ying, Zhu Ming-Yuan, MO Zhi-shen, Wang Qing, Xiao Xue-shan
Publikováno v:
Journal of Shanghai University (English Edition). 3:336-338
An electrostatic reduced-gravity device was developed and used specially for the study of the melt crystallization of polypropylene. The crystal structure of melt-crystallized polypropylene prepared under the reduced-gravity environment was investiga
Publikováno v:
Journal of Shanghai University (English Edition). 3:318-320
The FeZrB amorphous alloys for simulating the intergranular amorphous phase in the nanocrystalline Zr7B4 soft magnetic materials were obtained by mechanical alloying of a mixture of elemental Fe, Zr and B powders for 25 h. It is shown that the Curie
Publikováno v:
Journal of Materials Science Letters. 16:968-970