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Q F, DU W B. Microstructure, texture and mechanical properties of Mg-Zn-Er alloys containing I-phase and W-phase simultaneously [J]. Journal of Alloys and Compounds, 2016, 665: 76-85. [2] ZHU S Z... of Alloys and Compounds, 2007, 427: 316-323. [32] XU D K, TANG W N, LIU L, XU Y B, HAN E H. Effect of W-phase on the mechanical properties of as-cast Mg-Zn-Y-Zr alloys [J]. Journal of Alloys and Compounds......
with LPSO phase is lower than that of the alloys with W phase, which is associated with the freezing range of the alloys. However, the investigated alloys displayed the same fluidity. Under T6... with LPSO phase compared to that of the alloys with W phase. Mg-2.5Zn-3.7Y-0.3Zr (mass fraction, %) alloy with LPSO phase possessed high castability and mechanical properties, with a corrosion rate of 2 mm......
, LIU L, XU Y B, HAN E H. Effect of W-phase on the mechanical properties of as-cast Mg-Zn-Y-Zr alloys [J]. Journal of Alloys and Compounds, 2008, 461: 248-252. [13] WU Di, CHEN Rong-shi, HAN En-hou... the Mg-5Gd-5Y/Mg-2Zn-1Gd (GW55/ZG21) laminated composites. After fabrication and annealing treatment, the microstructural evolution, phase constitution, microhardness, and bonding strength were......
and Engineering A, 2004, 387/389(1/2): 706-709. [18] SINGH A, WATANABE M, KATO A, TSAI A P. Crystallographic orientations and interfaces of icosahedral quasicrystalline phase growing on cubic W phase in Mg-Zn-Y alloys[J]. Materials Science and Engineering A, 2005, 397(1/2): 22-34. [19] YANG Wen-peng, GUO Xue-feng. High strength magnesium alloy with α-Mg and W-phase processed by hot extrusion[J......
]. Transactions of Nonferrous Metals Society of China, 2010, 20(7): 1199-1204. [15] WEI G B, PENG X D, ZHANG B, HADADZADEH A, XU T C, XIE W D. Influence of I-phase and W-phase on microstructure... and Mg3Zn6Y icosahedral quasicrystal phase (I-phase). With the increase of applied pressure, the contents of β-Mg17Al12 phase and Mg3Zn6Y quasicrystal particles increase, further matrix grain refinement......
and mechanical properties of as-extruded Mg-Zn-Er alloys containing W-phase[J]. Journal of Alloys and Compounds, 2014, 602: 32-39. [14] YAN H, CHEN R S, HAN E H. Room-temperature ductility and anisotropy...部分第二相都已经脱落,形成了扫描照片中的黑色斑点.经过均匀化处理后,两种合金中的部分第二相溶入了基体当中,但仍然存在少量第二相. 经过均匀化处理之后,合金中第二相的形貌及能谱如图2所示.EDS结果显示,ZGX20301合金晶界上存在的未溶第二相含有Mg,Zn,Gd,Ca元素,有可能为共存的Mg6Ca2Zn3三元相和Mg3Zn3Gd2相(W相).由于两者熔点高,热稳定性好,且在镁合金中的溶解度较低......
. [4] XU D K, TANG W N, LIU L, XU Y B, HAN E H. Effect of W-phase on the mechanical properties of as-cast Mg-Zn-Y-Zr alloys[J]. Journal of Alloys and Compounds, 2008, 461: 248-252. [5] YU K, LI W X... β2′-MgZn2 with high-density and length of 50-150 nm, which is also perpendicular to the base plane of the Mg matrix and serves as the principal hardening phase of the aged alloy. The third precipitate......
, TANG W N, LIU L, XU Y B, HAN E H. Effect of W-phase on the mechanical properties of as-cast Mg-Zn-Y-Zr alloys [J]. Journal of Alloys and Compounds, 2008, 461: 248-252. [28] XU D K, TANG W N, LIU L...) law of second phase strengthening and toughening; 6) optimized combination of strength and damping capacity. These obtained results provide direct technological support for extrusion of the profiles......
(I-phase) and face-centered cubic structure W-phase coexist in the Mg-5Zn-2.5Er (mass fraction, %) alloy [13] and the I-phase precipitates after solution treatment at 440 °C for 10 h [14... structure [J]. Materials Transactions, 2006, 47: 959-965. [13] LI J H, DU W B, LI S B, WANG Z H. Icosahedral quasicrystalline phase in an as-cast Mg-Zn-Er alloy [J]. Rare Metals, 2009, 28(3): 297-301. [14] LI......
Mg30.02Zn58.94Er11.04 (mole fraction, %) and W-phase with average composition Mg37.40Zn38.20Er24.40 (mole fraction, %) formed in as-cast Mg-Zn-Er alloy. In addition, the aging hardening behaviors of Mg-Zn... consisted of α-Mg phase, T-phase and Mg51Zn20 phase. After aging treatment (single-step (325 °C, 10 h) and two-step (325 °C, 4 h)+(175 °C, 14 h)), neither T-phase nor Mg51Zn20 phase dissolved......