共搜索到16875条信息,每页显示10条信息,共1688页。用时:0小时0分0秒859毫秒
Solidification microstructures and mechanism of grain refinement of electrolytic low titanium Al alloys WANG Ai-qin(王爱琴)1, 2, XIE Jing-pei(谢敬佩)2, LI Ji-wen(李继文)2, LIU Zhong-xia(刘忠侠)1, WANG... University of Science and Technology, Luoyang 471003, China Received 28 July 2006; accepted 15 September 2006 Abstract: The solidification microstructures and the mechanism of grain refinement......
nucleant for Mg-Al magnesium alloys. Key words: Mg-Al alloys; grain refinement; carbon inoculation; mechanical properties; mechanism 1 Introduction Magnesium alloys have been widely used in recent... properties of magnesium-aluminum alloys by some scholars. And the mechanism for grain refinement of Mg-Al magnesium alloys by carbon and other compounds containing carbon have been investigated......
Preparation of Ni-W-10Y2O3 refiner and refinement mechanism in a superalloyWeiguo JIANG ,Mingchuan YANG,Langhong LOU,Fenghua HOU and Zhuangqi HU Institute of Metal Research,Chinese Academy... superalloy has excellent mechanical properties at intermediate temperature. The refinement mechanism was discussed.关键词:......
Grain refinement and mechanism of CAl0.5W0.5 compound in Mg-Al alloysLIU Baozhonga,b,FAN Yanpinga,PENG Qiumingb,MI Guofaa,and WANG Liminb a School of Materials Science and Engineering,Henan...="ChDivSummary">The effect of CAl0.5W0.5(CAW) compound on the grain refinement of Mg-Al based alloys was investigated.The results show that CAW compound is an effective and active grain refiner.The grain size......
the mechanism of grain refinement under ultrasonic stirring, the temperature distribution in ingot interior was measured. The arrangement of thermocouple, graphite crucible and probe is shown... refining mechanism by ultrasonic Summarizing the above results of the simulation, we analyzed the mechanism of grain refinement by ultrasonic as follows. There are cavitation bubbles produced in liquid......
Refinement Mechanism of in-situ Al4C3 Particles on AZ91 Magnesium Alloys郭艳萍,ZHANG Mingang,金亚旭School of Materials Science and Technology, Taiyuan University of Science and Technology摘 要:The effects of SrCO3 on the microstructure of AZ91 magnesium alloy were investigated by OM, SEM, EDS, XRD and DTA analyses. The results show that AZ91 magnesium alloy......
Nucleation mechanism for grain refinement in A357 alloy by Al-Ti-B master alloysZHU Zhao-jun(朱兆军)1, ZENG Song-yan(曾松岩)1, GUO Li-wei(郭立伟)2, WANG Hong-wei(王宏伟)1(1.School of Materials Science... contains α-Al, TiB2 and Al3Ti. The effect of the Al-5Ti-1B master alloy on the grain refinement of A357 alloy has been gained. The mechanism of grain refinement in A357 alloy by Al-Ti-B master alloys is also......
of magnesite particles as carbon inoculation agent. The grain refinement mechanism of magnesite particles should be attributed to the Al2CO nucleus which are formed by a reaction between aluminium... inoculation. References [1] LU L, DAHLE A K, STJOHN D H. Grain refinement efficiency and mechanism of aluminium carbide in Mg-Al alloys[J]. Scripta Materialia, 2005, 53: 517-522. [2] KIM Y M, YIM C D......
Mechanism of Grain Refinement Induced by Laser Shock Processing in AZ31 Magnesium Alloy李兴成1,2,ZHANG Yongkang3,ZHANG Qinglai2,ZHOU Jinyu1,LU Yalin1,CHEN Jufang11. School of Mechanical Engineering... to study the mechanism of grain refinement induced by laser shock processing(LSP) in AZ31 magnesium alloy, the specimens were processed with Nd:glass pulse laser shocking and the microstructures of LSP......
Crystallography of Zr poisoning of Al-Ti-B grain refinement using edge-to-edge matching modelHUANG Yuan-chun(黄元春)1, 2, XIAO Zheng-bing(肖政兵)1, 2, LIU Yu(刘宇)1, 2(1. School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China;2. Light Alloy Research Institute, Central South University, Changsha 410012, China)Abstract:The mechanism of zirconium poisoning......