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in the iteration decreases greatly to raise calculation efficiency. Yet the absence of pressure and speed in the internal units can affect the calculation precision and flow state. 4 Principle of digital...] Hou H, Zhao Y H, Chu Z, Xu H. Numerical simulation of 3-D displacement fields of steel casting during solidification process[J]. Foundry Technology, 2002, (3): 145-149. (in Chinese) [4] You B K......
the core of heterogeneous nucleus. 4 Conclusions 1) Titanium is one of the most effective grain refinement elements in electrolytic Al-Ti binary alloys when the cooling velocity is less than 103 ℃/s... Ming-jie, ZHAO Yong-wei. Produce Al-Ti alloys in the electrolysis bath [J]. Light Metals, 1986: 32-35. [4] YANG Guan-qun, GU Qing-shong, LIU Gao-xing, WANG Xiao- feng. Aluminum ore treating and produce......
coatings on Al-Mg alloys 4 Conclusions 1) Microarc oxidation coatings are successfully produced on different aluminum-magnesium alloys. The applied voltage increases in stage Ⅰ and decreases in stage...: 484-490. [4] BARIKA R C, WHARTONA J A, WOODA T R J K, STOKESB K R, JONES R L. Corrosion, erosion and erosion–corrosion performance of plasma electrolytic oxidation(PEO) deposited Al2O3 coatings [J......
). The specimens for OM and SEM were prepared by the standard technique of grinding and polishing, followed by etching. The as-cast sample was etched using a solution of 4% nitric acid in ethyl alcohol, while... effect on the mechanical properties. Table 1 Tensile properties of Mg-6Al-4RE-0.4Mn alloy at as- cast and T6 treated states 4 Conclusions 1) The intermetallic compounds of Mg-6Al-4RE- 0.4Mn alloy......
superplasticity of ECAE processed Mg-10%Li-1%Zn alloy[J]. Mater Trans, 2002, 43: 2419-2423. [4] AGNEW S R, YOO M H, TOME N. Application of texture simulation to understanding mechanical behavior of Mg and solid... compression. Fig.2 Stress-strain curve of LA40 at tensile strain rate of 6.66×10-4 s-1 4 Discussion As we know, in HCP alloys, the two most common slip systems, basal and prismatic......
, 8(3): 161-185. [4] TAKUDA H, YOSHII T, HATTA N. Modelling onflow stress of Mg-Al-Zn alloys at elevated temperatures[J]. Journal of Material Processing Technology, 1998, 80/81: 513-516. [5] TAKUDA... for the experimental results. 4 Conclusions 1) The microstructures in RD are composed of prismatic regions surrounded by the shearing bands. More uniform deformation and more equiaxed grains could......
exhibit that the corrosion form is related to the distribution of β phase. 2 Experimental Die-cast AZ91D plates were used with the composition of 8.3%-9.7%Al, 0.35%-1.0%Zn, 0.15%- 0.50% Mn, ＜0.1%Si.... Pitting itself possesses cathode protective effect for other part of metal, so metal surface outside the pitting is not corroded and maintains metal shining. 4 Conclusions 1) Die-cast AZ91D is double......
of the charge carrier lifetime. The minimum ionizing particles are assumed to generate 22500 electron hole pairs in 300 μm thick silicon. 4 Conclusions 1) The most important criterion for radiation hard... PIN device. The basic property of CID is to operate in fully depleted mode irrespective of its thickness and it is unique advantage. 4) Additionally, we find that CID sensors can be operated......
Fig.8 Variation of εr and tan δ of PMS-PZT ceramics with content of PMS Fig.9 Variation of Tc of PMS-PZT ceramics with content of PMS 4 Conclusions 1) PMS-PZT piezoelectric ceramics with pure..., JANG E, OH D, JEONG Y, AHN I, CHO M. Fabrication and characteristics of PDA LCD backlight driving circuits using piezoelectric transformer[J]. Sens Actuators A, 2005, 115: 73-78. [4] VASIC D, SARRAUTE......
of the alloy at elevated temperatures. Fig. 4 shows all yield strength of conventionally casting alloy and as-suction-casting alloy with HIP treatment under various test conditions. At 1 273 K and 1 373 K...) for differently processed alloys Fig.5 Fine precipitates of Cr(Mo) in primary NiAl phase: (a) As-DS alloy; (b) As-HPDC alloy 4 Conclusions NiAl/(Cr,Mo)Hf alloy by the high pressure die casting......
