Zobrazeno 1 - 10
of 69
pro vyhledávání: '"K.Q. Qiu"'
Relating activation of brittle-to-ductile transition to β relaxation in Cu46Zr44Al7Y3 metallic glass
Publikováno v:
Journal of Non-Crystalline Solids. 544:120189
A series of compression tests were performed on the Cu46Zr44Al7Y3 metallic glass (MG) at different strain rates and a wide temperature range in which the β relaxation can be observed. A distinct boundary that can be used to describe the brittle-to-d
Publikováno v:
Journal of Alloys and Compounds. 825:153997
Ce69Al10Cu20Co1 metallic glass was fully annealed to its metastable equilibrium supercooled liquid (MESL) state at a temperature below the calorimetric glass transition, i.e., sub-Tg, and quenching/cryogenic combined treatment (Quenching + CT) was su
Publikováno v:
Journal of Alloys and Compounds. 612:5-9
Samples of the (Mg 0.585 Cu 0.305 Y 0.11 ) 97 (Zr 0.35 Ti 0.3 Be 0.275 Cu 0.075 ) 3 bulk metallic glass (BMG) with 3 mm in diameter were successfully fabricated by copper mould casting method. The amorphous nature, thermal stability, microstructure a
Publikováno v:
Journal of Non-Crystalline Solids. 370:1-5
An (Mg 0.585 Cu 0.305 Y 0.11 ) 95 Be 5 bulk metallic glass (BMG) with high strength was fabricated by conventional Cu-mold casting method. The phase structure, thermal stability and microstructure of the BMG were investigated by using X-ray diffracti
Publikováno v:
Materials Science and Engineering: A. 528:2912-2916
Quaternary W 30 Fe 38 B 32− x C x ( x = 5, 7, 10, 13, 15 at.%) alloys have been investigated by melt-spinning method to produce metallic glasses using low purity industrial raw materials. The phase structure of these ribbons is investigated by X-ra
Publikováno v:
Materials Science and Engineering: A. 528:429-433
Based on the consideration of the liquid phase stability, the resistance to crystallization and the glass transition enthalpy, a new criterion Q. defined as ((T(g) + T(x))/T(l)).(Delta E/Delta H), where the T(g), T(x), T(l), Delta E and Delta H are t
Publikováno v:
Materials Science and Engineering: A. 527:2486-2491
A Ti(33)Cu(47)Zr(9)Ni(6)Sn(2)Si(1)Nb(2) bulk metallic glass has been developed by Nb partial substitution for Zr in Ti(33)Cu(47)Zr(11)Ni(6)Sn(2)Si(1) alloy. The glass forming ability Ti(33)Cu(47)Zr(9)Ni(6)Sn(2)Si(1) Nb(2) alloy has been investigated
Publikováno v:
Journal of Alloys and Compounds. 493:L42-L46
The glass formation, microstructure and thermal stability of Mg60Cu10Ni16Nd14 bulk metallic glass (BMG) were investigated by using copper mould casting, X-ray diffraction, scanning electron microscopy, transmission electron microscopy and differentia
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Publikováno v:
Journal of Alloys and Compounds. 478:419-422
Comparative investigations on the microstructures, thermal stability and mechanical properties of Mg 77 Cu 12 Zn 5 Y 6 and Mg 77 Ni 12 Zn 5 Y 6 bulk metallic glass matrix composites were carried out by using scanning electron microscopy (SEM), DSC an