共搜索到22277条信息，每页显示10条信息，共2228页。用时：0小时0分0秒432毫秒
-fold symmetry structure, thereby proving the characteristics of quasi-periodically atomic ordering. Thus, it is validated that the as-cast microstructures of Mg68Zn28Y4 alloy mainly contain the gray... Corrosion behavior of as-cast Mg68Zn28Y4 alloy with I-phase SHI Fei(史 菲)1, 2, YU Yuan-chun(于元春)3, GUO Xue-feng(郭学锋)2, ZHANG Zhong-ming(张忠明)2, LI Ying-ying(李瑛颖)1 1. School of Materials......
quasicrystalline structure, and the W-phase with face-centered cubic structure presented in the as-cast Mg-Zn-Er alloy. Since stress exponent n and activation energy Qc obtained from creep tests are important... Creep properties and controlled creep mechanism of as-cast Mg-5Zn-2.5Er alloy LI Han(李 晗), DU Wen-bo(杜文博), LI Jian-hui(李建辉), LI Shu-bo(李淑波), WANG Zhao-hui(王朝辉) School of Materials Science......
. The compound Al2Nd and Mg12 Nd were formed in magnesium alloy, which were distributed in the matrix in the shapes of strip and particle, evidently refined the as-cast structure. The as-cast tensile strength...Effect of Neodymium on As-Cast Microstructure and Mechanical Properties of AZ31 Wrought Alloy Liu Xuguang1,Xu Bingshe1,Zhang Junyuan1,Fan Jinping1,Li Mingzhao1 (1.College of Materials Science......
Investigation of Out-Phase Electromagnetic Casting of Aluminum Alloy () 摘要:The influences of out-phase electromagnetic field on the as-cast structure of horizontal direct chill casting aluminum... an electromagnetically induced forced flow in the melt, which, in turn, changes flow pattern and temperature field in the mold. The as-cast structure of the ingot can be greatly improved by the changes of flow pattern......
, CIZEK L, BRYTAN Z. Structure and properties of magnesium cast alloys [J]. Journal of Materials Processing Technology, 2007(192/193): 567-574. [10] DECKER R F. The resistance in magnesium [J]. Advanced... Influence of homogenizing on mechanical properties of as-cast AZ31 magnesium alloy ZHANG Bao-hong(张宝红)1, ZHANG Zhi-min(张治民)2 1. School of Materials Science and Engineering, North......
Effects of Zn content on as-cast microstructure and mechanical properties of Mg-xZn-4A1 alloys containing TiC and rare earth elements BAI Liang(白 亮)1, PAN Fu-sheng(潘复生)1, YANG Ming-bo(杨明波)1,2 1..., Chongqing 400050, China Received 28 July 2006; accepted 15 September 2006 Abstract:The effects of Zn content on the as-cast microstructure and mechanical properties of Mg-xZn-4A1 alloys containing TiC......
treatment system of cast Cu-2.3Fe-0.03P-0.12Zn alloy is 960℃ for 6 h. The cast Cu-2.3Fe-(0.4-0.6)P-0.12Zn alloys present obvious dendrite structure, and a large number of Fe and P phases sized up to 15...-(0.4~0.6)P-0.12Zn合金的未溶相熔点高,很难通过均匀化退火来消除.模拟得到铜铁合金的均匀化动力学计算公式为:1/T=3.835×10-5 ln(1.2×10-3 t/L2).关键词:Cu-Fe-P-Zn合金；铸态合金；均匀化；显微组织Microstructure of as-cast and homogenized Cu-Fe-P-Zn alloysDONG Qi-yi1, 2......
A, PEKGULERYUZ M Z. Review cast magnesium alloys for elevated temperature applications[J]. Journal of Materials Science, 1994, 29: 5259?5271. [2] BOURGEOIS L, MUDDLE B C, NIE J F. The crystal structure... to Al on as-cast microstructure and solidification behaviour of Mg-Zn-Al ternary magnesium alloys YANG Ming-bo1, 2, PAN Fu-sheng2, LI Zhong-sheng2, SHEN Jia1 (1. School of Materials Science......
Phase structure of ZK60-1Er magnesium alloy compressed at 450 ?C WANG Zhong-jun(王忠军)1, YANG Qing-xiang(杨庆祥)2, QIAO Jun(乔 军)1 1. School of Materials Science and Metallurgy, University... 2010 Abstract: The phase structure of ZK60-1Er magnesium alloy thermally compressed at the temperature of 450 ?C and the strain rate of 1×10-4 s-1 was determined by transmission electron microscopy......
of precipitates marked in Fig.8 measured by EDS 图9所示为不同成分合金的均匀化态XRD谱. 图9 不同成分时效合金铸态组织的XRD谱 Fig. 9 XRD patterns of as-cast structure in annealed aluminum alloys with different compositions 由图9中可知...等Zn截面相图计算结果以及后面研究的均匀化组织中未出现过烧现象相符合. 图5 7095合金铸态及均匀化态的DTA曲线 Fig. 5 DTA curves of as-cast and homogenized 7095 alloy 2.3 高Zn超强Al-Zn-Mg-Cu系合金铸态组织与相组成 图6 Al-Zn-Mg-Cu系合金凝固态结晶相的SEM......
