Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Guangyu Yang"'
Publikováno v:
Materials Science and Technology. 37:59-65
The equiaxed solidification of Al–20Cu alloy under different cooling rates was investigated using in-situ synchrotron X-ray radiography. The results showed that mean grain size increases rapidly at...
Publikováno v:
Journal of Materials Science & Technology. 34:2246-2255
The microstructure evolution and mechanical properties of Mg-6Zn-2Gd-0.5Zr alloy during homogenization treatment were investigated. The as-cast alloy was found to be composed of dendritic primary α-Mg matrix, α-Mg + W (Mg3Zn3Gd2) eutectic along gra
Publikováno v:
Journal of Alloys and Compounds. 725:145-154
The microstructural evolution, phase constitution and mechanical properties of directionally solidified Mg-5.5Zn-xGd (x = 0.8, 2.0, and 4.0) alloys were firstly investigated under G = 30 K/mm at a wide range of V (10 μ m/s - 100 μ m/s). It was conf
Publikováno v:
Journal of Crystal Growth. 476:38-44
Effect of the melt superheat on equiaxed solidification of Al-20 wt% Cu alloy was investigated by in-situ synchrotron radiography at Beijing Synchrotron Radiation Facility. For comparison, the corresponding DSC analysis was also conducted. It was fou
Publikováno v:
Materials Science and Engineering: A. 810:141021
Effects of extrusion ratio and subsequent solution + aging treatment on the tension-compression yield asymmetry (TCYA) of extruded Mg-4.58Zn-2.6Gd-0.18Zr alloys were investigated. When the extrusion ratio increased from 10:1 to 15:1 and 30:1, the TCY
Autor:
Quentin M. Ramasse, Zongning Chen, Fredrik S. Hage, Guangyu Yang, Tongmin Wang, Peter Schumacher, Jiehua Li
Publikováno v:
Materials Characterization. 128:7-13
High angle annular dark field scanning transmission electron microscope imaging and electron energy loss spectroscopy were used to elucidate the heterogeneous nucleation interface of AlB2 in an Al-7Si alloy. Si particles were observed in the vicinity
Publikováno v:
Materials Science and Engineering: A. 801:140439
Tensile and compressive mechanical behaviors of the as-cast Mg-4.58Zn-2.6Gd-0.16Zr alloy were investigated. It was found that the tensile yield strength was lower than the compressive yield strength, and three stages of strain hardening were both det
Publikováno v:
Vacuum. 181:109651
Mg-9.5Gd-0.9Zn-0.5Zr alloys were water quenched (WQ), air cooled (AC) and furnace cooled + water quenched (FC + WQ) after solution treatment. Effects of quenching conditions on the microstructure, mechanical properties and age hardening behavior were
Publikováno v:
JOM. 68:3214-3223
Effects of the growth rate on the microstructures and room temperature mechanical properties of Mg-5.2Zn alloy were investigated using Bridgman method at a constant temperature gradient 30 K/mm with different growth rates (v = 10 ~ 100 μm/s). The mi
Publikováno v:
Transactions of Nonferrous Metals Society of China. 26:1294-1300
Directional solidification of Mg–2.35Gd (mass fraction, %) magnesium alloy was carried out to investigate the effects of the solidification parameters (growth rate v and temperature gradient G) on microstructure and room temperature mechanical prop