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solidification to refine the grain size in as-cast structure. Addition of Zr to Al-Mg alloy, Al3Zr can be precipitated directly from the melt at a low Zr content (w(Zr)＞0.11%). Furthermore.... [12] YIN Zhi-min. The graining refining effect of trace Sc and Zr on the as cast structure of Al-Mg alloy [J]. The Chinese Journal of Nonferrous Metals, 1997, 7(4): 75-78. (in Chinese) [13] XIA Chang......
phase(the black point), causing the plate structure to be broken. Figs.6 and 7 show the microstructures of as-cast TC21 after desorbing hydrogen. α/β plate mass zone within the original structure... Effects of thermohydrogen treatment on microstructures of α+β and β titanium alloy as-cast ZHAO Yong-qing(赵永庆), CAO Xing-min(曹兴民), XI Zheng-ping(奚正平) Northwest Institute for Nonferrous Metal......
Effects of calcium addition on as-cast microstructure and mechanical properties of Mg-5Zn-5Sn alloy YANG Ming-bo(杨明波)1, 2, CHENG Liang(程 亮)1, PAN Fu-sheng(潘复生)2 1. Materials Science...; Abstract: The effects of Ca addition on the as-cast microstructure and mechanical properties of the Mg-5Zn-5Sn (mass fraction, %) alloy were investigated. The results indicate that an addition......
Comparison of as-cast microstructure, tensile and creep properties for Mg-3Sn-1Ca and Mg-3Sn-2Ca magnesium alloys YANG Ming-bo(杨明波)1, 2, CHENG Liang(程 亮)1, PAN Fu-sheng(潘复生)2 1...; Abstract: The as-cast microstructure, tensile and creep properties of Mg-3Sn-1Ca and Mg-3Sn-2Ca magnesium alloys were investigated and compared by using optical......
pattern of the lamellar phase in as-cast Mg94Zn3Y1.5Gd1.5 alloy. The SAED pattern analysis indicates that the lamellar phase has 14H-LPSO structure with incident EB parallel to the direction of Fig. 4 TEM micrographs and corresponding SAED patterns of cube-shaped phase (a, b), a(Mg) matrix phase(c), W-phase in as-cast Mg94Zn3Y3 alloy (d, e) and lamellar 14H-LPSO structure phase (f) in as-cast......
J. Cent. South Univ. (2021) 28: 1-15 DOI: https://doi.org/10.1007/s11771-020-4504-x Microstructure and Gd-rich phase evolution of as-cast AZ31-xGd magnesium alloys during semi-solid isothermal heat... Press and Springer-Verlag GmbH Germany, part of Springer Nature 2021 Abstract: The microstructure and Gd-rich phase evolution of as-cast AZ31-xGd (x=0, 1.5 wt.%, 2.0 wt.% and 2.5 wt.%) magnesium alloys......
specimen larger than that of as-cast specimen. 3.3 Fracture analysis With a hexagonal crystal structure, cleavage fracture, quasi-cleavage fracture and inner-granular fracture are the main fracture... J. Cent. South Univ. (2018) 25: 764-771 DOI: https://doi.org/10.1007/s11771-018-3781-0 Microstructure and mechanical properties of as-cast and extruded Mg–8Li–3Al–0.7Si alloy YANG Guo-qing(杨国庆)1......
in the interdendritic regions, typical of samples that are solidified under higher Key words: Al-Cu-Ni alloys; as-cast microstructures; dendritic spacings; tensile properties; corrosion resistance 1...-Cu binary system is the basis of important cast commercial alloys as AA2014, AA2024, AA2099 and AA2219 [2]. The AA2219 alloy, which presents good weldability, high specific strength and heat......
the solution heat treatment process. Key words: high pressure die casting (HPDC); aluminum alloys; as-cast condition; T6 treatment; incipient melting 1 Introduction Near-net shape casting of components... Rheocast plates, from each wrought composition in the as-cast (F) condition, were selected and heat treated to the T6 condition with parameters shown in Table 3. Subsize rectangular tensile test......
Effect of rare earths on phase transformation in as-cast ZA27 alloy dur-ing compressive creepWEI Xiaowei and SHEN Baoluo1) Department of Applied Physics, University of Electronic Science... 610065, China摘 要:<正> The effect of the mixed rare earths of Ce on the phase transformation in as cast ZA27 alloy during compressive creep......
