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Grain refining mechanism of Al-3B master alloy on hypoeutectic Al-Si alloys LIU Yuan1, 2, DING Chao2, LI Yan-xiang1, 2 1. Key Laboratory for Advanced Materials Processing Technology of Ministry...: Al-3B master alloy is a kind of efficient grain refiner for hypoeutectic Al-Si alloys. Experiments were carried out to evaluate the effect of undissolved AlB2 particles in Al-3B master alloy......
refined with master alloys: (a) 99.8%Al+0.2% 1# master alloy; (b) 99.8%Al+0.2% 2# master alloy; (c) 99.8%Al+0.2% 3# master alloy; (d) 99.8%Al+0.2% 4# master alloy; (e) 99.8%Al+0.2% 5# master alloy; (f) 99.8%Al+0.2% 6# master alloy Fig.5 Macrostructures of 99.8% purity aluminum refined with 3# and 4# master alloys: (a) 99.8%Al+0.45% 3# master alloy; (b) 99.8%Al......
products and enlarges the electrochemical reaction area as well as enhances the electrochemical activity. Key words: Al-Mn; master alloy; Mg-Al-Pb-Mn; hydrogen evolution; corrosion; seawater activated... Microstructures The XRD patterns of Al-xMn (x=15%, 30% and 50%) master alloys (see Fig. 1) indicate that Al, Al6Mn, and Al4Mn phases are present for Al-15%Mn master alloy; Al-30%Mn master alloy has Al......
Trans. Nonferrous Met. Soc. China 24(2014) 2420-2426 Effect of cooling rate on morphology of primary particles in Al-Sc-Zr master alloy Cong XU1, Rou DU1, Xue-jiao WANG1, Shuji HANADA 2, Hiroshi... and attached particles present Al3Sc/Al3Zr1-xScx core-shell structure. The formation mechanism of the structure was systematically investigated by a mathematical model. Key words: Al-Sc-Zr master alloy......
October 2011 Abstract: V-Ti-Fe master alloys were prepared by metallothermic reduction method, and the influences of the mass ratio of V2O5 to TiO2, Al and Al-Mg alloy addition amounts on the metal recovery...-Ti-Fe master alloy after refinement Figure 9 and Table 6 show the microstructure and chemical compositions of the refined alloy, respectively. Compared with Fig. 7, the Al-O phase cannot be detected......
): 379-382. [7] LIU Y H, LIU X F, BIAN X F. Grain refinement of Mg-Al alloys with Al4C3-SiC/Al master alloy[J]. Materials Letters, 2004, 58(7/8): 1282-1287. [8] WANG Y X, ZENG X Q, DING W J. Effect...；Mg-TiB2中间合金；Ca；晶粒细化 中图分类号:TG 146 文献标志码:A Effect of Mg-TiB2 master alloy and Ca on microstructure and properties of AZ91D magnesium alloy HAN Hui, CHEN Yang, LIU Sheng-fa, CHEN......
: Al-3B master alloy; recycled casting aluminum alloy; impurity iron; mechanical property A356铝合金由于具有优良的力学性能,铸造性能和加工性能,已广泛应用于航空航天和汽车工业等领域,是目前应用最广泛的Al-Si系列铸造铝合金之一[1].如在汽车领域中用铝合金代替钢铁能减轻其质量,提高功率质量比,从而达到节...B更易与Al,Fe结合形成新的含B金属化合物.由于B含量低,该化合物在金相显微镜难以区分. 表3 Al-3B中间合金添加量对再生A356铝合金的除铁率的影响 Table 3 Effect of addition of Al-3B master alloy on iron removal rate of recycled A356 alloy 2.1 Al-3B......
the distribution of TiC in aluminum melt and advances the nucleation of TiC. Key words: Al-TiC master alloy; Al-TiAl3 master alloy; TiC; TiAl3; grain refinement ... Al-TiC中间合金的XRD谱(a)和微观组织(b) Fig.1 XRD pattern (a) and microstructure (b) of Al-TiC master alloy 图2 Al-TiAl3中间合金的XRD谱(a)和微观组织(b) Fig.2 XRD pattern (a) and microstructure (b......
of Technology, Taiyuan 030024, China; 2. Chonche Auto Double Happiness Tyre Co. Ltd., Qingxu 030400, China) Abstract: The hypereutectic Al-25Si alloy was processed by a new type of green master alloy Al-Mn-Ti-P..., strengthening and wear mechanisms were discussed. The results show that this master alloy has significant refining effects on the coarse primary Si, eutectic Si and α(Al), and adding Mg after......
): 11-13.ZHANG Ying-xin. Effect of structures heredities of Al-Ti and Al-Zr master alloys on casting structures of aluminum alloys[J]. Light Alloy Fabrication Technology, 1998, 26(11): 11-13. [4] 余爱武, 杨成刚, 刘奋成..., AMAGATA H Y, WANG Wen-hong, MA Chao. Effect of cooling rate on morphology of primary particles in Al-Sc-Zr master alloy[J]. Transactions of Nonferrous Metals Society of China, 2014, 24: 2420-2426. [14......
