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有少量非晶,且主要呈晶体组织特征. 关键词:非晶合金;镁合金;块体金属玻璃;玻璃形成能力 中图分类号:TG 139.8 文献标识码:A Effect of Nd on glass forming ability of bulk amorphous Mg-Cu-Y-Nd alloys WU Shu-sen, LIU Wei, MAO... diffractometry, the effect of Nd on glass forming ability of Mg-Cu-Y-Nd was analyzed. The results show that the samples with x of 0, 4 and 6 are bulk metallic glass, and the best glass forming ability (GFA......
] GOODWIN G M. Application of strain analysis to sheet metal forming problems in the press shop[R]. Chicago: Society of Automobile Engineers, 1968. [2] ISO 12004-2: 2008. Metallic materials-sheet and strip determination of forming limit curves-part 2: determination of forming limit curves in laboratory[S]. [3] ASTM E2218-02. Standard test method for determining forming limit curves[S]. [4] MARCINIAK Z......
:TG146.2 文献标志码:A Effect of Al on glass forming ability and thermal stability of Mg-Cu-Y alloys NING... solidification method. Then the samples were annealed at various temperatures. The effects of Al on the glass forming ability (GFA) and thermal stability of Mg80-xAlxCu15Y5(x=0,1) alloys were studied by XRD......
Trans. Nonferrous Met. Soc. China 23(2013) 3793-3798 A method for calculation of ion distribution in reaction system forming hydroxide Zhe-nan JIN1, Dae-rok JONG1,2, Jong-su HONG1,3, Yong-hun JONG1,2... forming hydroxide where precipitation and complex are formed together. The effects of some factors on formation of precipitation and complex were investigated, and the corresponding precipitation rates......
results about glass-forming ability are consistent with the computational values, which not only proves the validity of the new approach for composition design but also shows the new BMG of Cu60.5Zr34Nd5.5 can be cast into amorphous alloys with 2 mm in diameter. Key words: metallic glasses; glass forming ability; vacancy formation energy; composition design  ......
. The results show that the Ti40Zr25Ni15Cu20 amorphous alloy foil has excellent wettability on Si3N4 ceramic and demonstrate a strong glass forming ability. The reduced glass transition temperature (Trg) and the temperature interval of supercooled liquid region before crystallization are 0.76 and 78 K, respectively. Key words: Si3N4 ceramic; Ti based brazing alloy; glass forming ability; glass......
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葵氏单向接头安昌吉摘 要:<正> 目前在压气控制的自动化,节力化部门中,塑料管的配管方法迅速普及,与机器的连接从一向使用套管拧紧螺母的连接方法向只插进管子的单接手式过渡.在连接塑料管子的单向接头中,有内径封闭式和外径封闭式两种,但是,根据流量特性和用户的要求,最近外径封闭式成为主要形式,本产品满足这些需要,并关键词:......
tends to propagate along the cell boundaries leading to transgranular fracture. Key words: A356; thixoforming; silicon density ratio; microstructure; mechanical properties; semi-solid forming 1 Introduction Semi-solid forming of metals has gained increasing interest among researchers in the last two decades[1-4]. A fundamental research in this field was started by FLEMINGS’ group at MIT......
; accepted 30 August 2016 Abstract: Fe-based metallic glasses of (Fe74Nb6B20)100-xCrx (x=1, 3, 5) with high glass forming ability (GFA) and good magnetic properties were prepared using low-purity raw... metallic glasses; Cr; glass forming ability; magnetic property 1 Introduction Fe-based metallic glasses are commercially the most important metallic materials due to their plentiful natural......