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temperature. The high temperature-oxidation resistance of RE-Ni-W-P-SiC composite material is 3~4 times than that of Ni-W-P alloy coating. The cross section morphologies and X-ray diffraction patterns indicate...Studies on High Temperature Oxidation of Electrodeposited RE-Ni-W-P-SiC Composite Materials XU Rui-dong1,ZHU Xiao-yun1,GUO Zhong-cheng1 (1.The Center of New Materials and Surface Engineering......
Preparation of Master Alloy Cu－Sr by Molten Salt Electrolysis with Copper Consumable Cathode余仲兴,陆庆桃,陈世摘 要:ＰｒｅｐａｒａｔｉｏｎｏｆＭａｓｔｅｒＡｌｌｏｙＣｕ－ＳｒｂｙＭｏｌｔｅｎＳａｌｔＥｌｅｃｔｒｏｌｙｓｉｓｗｉｔｈＣｏｐｐｅｒＣｏｎｓｕｍａｂｌｅＣａｔｈｏｄｅＹｕＺｈｏｎｇｘｉｎｇ；ＬｕＱｉｎｇｔａｏａｎｄＣｈｅｎＳｈｉｇｕａｎ(余仲兴)(陆庆桃)...关键词:......
较高的稀土La元素在铝熔体中的固溶度较低,处于游离态的La元素会与Al3Ti发生如下反应[1]: 图1 不同反应时间t1下Al-5Ti-1B和Al-5Ti-1B-1La中间合金的XRD谱 Fig. 1 XRD patterns of Al-5Ti-1B and Al-5Ti-1B-1La master alloy with different holding...Al-5Ti-1B合金的,如图2所示,这表明稀土La元素添加对Al3Ti中间相起到变质细化作用. 图2 Al-5Ti-1B和Al-5Ti-1B-1La中间合金的微观组织(t1=20 min) Fig. 2 Micromorphologies of Al-5Ti-1B(a) and Al-5Ti-1B- 1La(b) master alloy (t1=20 min) 表1 ......
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, 0.79, 0.81 and 0.8, respectively. It was found that the refinement performance of the master alloys had a close relationship with the x value of TiCx . The Al–5Ti–m C alloy with lower-x TiCx shows better...Influence of C/Ti stoichiometry in TiC_x on the grain refinement efficiency of Al–Ti–C master alloyHuabing Yang1,Tong Gao1,Haichao Wang1,Jinfeng Nie2,Xiangfa Liu11. Key Laboratory for Liquid-Solid......
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using vacuum refining because of its high vapor pressure. However, boron is difficult to remove using either directional solidification [2,3] or vacuum treatment [4,5] because of its high segregation...Trans. Nonferrous Met. Soc. China 26(2016) 3299-3304 Boron removal from molten silicon using CaO-SiO2-BaO-CaF2 slag Jin-ling SUN1, Jin-chuan JIE1, Qing-chuan ZOU1, Li-juan GUO2, Zhi-qiang CAO1, Tong......
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Numerical simulation of thermal-mechanical process of Al-Si-Pb alloy treated by high current pulsed electron beam L? Xiao-xia(吕晓霞), LI Rong-guang(李荣广), AN Jian(安 健) Key Laboratory... and improvement of hardness and wear resistance. Key words: Al-Si-Pb alloy; high current pulsed electron beam; numerical simulation; crater; quasistatic stress 1 Introduction The liquid immiscible......
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