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that the aging precipitation sequence of Al-Mg-Si series alloys can be described as supersaturated solid solution (SSS)→cluster→GP zones→metastable β''→metastable β'→stable β(Mg2Si) [1,17,18... Metals, 2003, 13(3): 635-639. (in Chinese) [7] HE Li-zi. Microstructures and mechanical properties of Al-Mg-Si alloys [D]. Shenyang: Northeastern University, 2001. (in Chinese) [8] YANG Wen-chao. Aged......
土元素La对Mg-6%Al-5%Pb(AP65)镁合金(质量分数)显微组织的影响,并采用恒电流法,动电位极化扫描法和析氢法研究La含量对AP65镁合金的腐蚀电化学性能的影响.结果表明:加入La能够使AP65镁合金α-Mg组织得到细化,生成针状稀土相Mg80(Al,La)17和块状稀土相Mg17(Al,La)12;添加La提高了AP65镁合金的电化学活性,耐腐蚀性能和阳极效率,使AP65的平均电位负... property 镁合金阳极材料具有电负性低,比能量高和密度小等优点,目前已成功应用于海水电池领域,如大功率水下武器装备的动力电池和小功率,长周期的水中探测仪器类的电池等[1-2].目前已经开发应用于大功率海水电池的镁阳极材料有AP65(Mg-6%Al-5%Pb),MTA75(Mg-7%Tl-5%Al)和Mg-Hg合金[3-4].镁合金阳极材料在海水电池领域虽然得到广泛应用,但是现有的镁合金阳极材料仍然存......
behaviour of Mg/Al alloys in chloride media [J]. Electrochimica Acta, 2008, 53: 7890-7902. [9] CANDAN S, CANDAN E. A Comparative study on corrosion of Mg-Al-Si alloys [J]. Transactions of Nonferrous Metals...Trans. Nonferrous Met. Soc. China 28(2018) 642-650 Comparative study on corrosion behaviors of Mg-Al-Zn alloys Sennur CANDAN, Ercan CANDAN Department of Mechanical and Manufacturing Engineering......
reaction and microstructural characteristics of Al( Li) -M g2S1 alloys [J].J Mater Sci, 2001, 36: 1569 - 1575. [6] Feufel H, G9 decke T, Lukas H L,et al.Investigation of AI Mg-Si system by experiments...,赵爱民,等,铸造铝硅合金细化处 理的研究进展[J].铸造,2000, 49(9):512 - 515. YAO Shtrfang, MAO Werming, ZHAO Armin, et al. The development of refining and modification of cast Al Si alloy[J].Foundry, 2000, 49(9):512 - 515......
Al-Mg-Si合金的工艺性能Ё.П.Фисак,邵秀兰摘 要:<正> Al-Mg-Si系合金用途甚广,因为具有许多宝贵的性能:耐腐蚀;工艺性能好,可加工复杂的工件;塑性好;可进行阳极化,搪瓷和镀层处理;可进行氩弧焊,滚焊和点焊.苏联生产的Al-Mg-Si合金有A31, A33,A35和ABoOCT4787-74和OCT8617-81规定了它们的化学成份和机械性能.这些合金广泛用于建筑,航空,汽车制造,电气等工业部门.7关键词:......
稀土高硅过共晶铝硅合金的初步研究朱世俊,陈长华昆明工学院铸造教研室摘 要:作者在高硅过共晶Al-Si合金中以稀土代镍,采用稀土,稀土和磷联合变质进行了试验和研究,所得稀土高硅过共晶Al~Si合金的常温性能,达到国外类似含Ni的铝硅合金性能,且具有较好的韧性和更低的线膨胀系数.关键词:稀土;过共晶Al-Si合金;变质;线膨胀系数;......
411105 摘 要:利用扫描电子显微镜-能谱仪和热浸镀铝实验研究Si对铁铝固-液扩散反应中间化合物生长动力学的影响.结果表明,中间层主要由Fe2Al5和薄层FeAl3组成.当向浸镀熔体中加入硅后,在镀层的Fe2Al5相中出现颗粒状的Al-Fe-Si三元相(τ1/τ9).舌状形貌的Fe2Al5层随着合金浴中Si含量的增加而逐步平整.合金浴中的Si显著抑制Fe2Al5和FeAl3的生长.当... alloys were used to adjust the Si content in the bath. The pure aluminum and Al-Si alloy were melted in an alumina crucible at 700-850 °C. The temperature of the molten was measured by a thermocouple......
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; 北京联合大学应用技术学院!北京100101 摘 要: 研究了喷射沉积高硅铝合金在半固态触变成形过程中的规律.结果表明 :喷射沉积Al 2 0 %Si, Al 30 %Si, Al 30 %Si 2 %Ni, Al 30 %Si 2 %RE和Al 30 %Si 2 %Ni 2 %RE具有良好的半固态触变成形性能... high silicon hypereutectic Al Si alloys were studied. It is shown that spray formed Al 20%Si, Al 30%Si, Al 30%Si 2%RE and Al 30%Si 2%Ni 2%RE billets have good thixoforming properties. The semisolid......
; 1 Introduction Because of their low density and high specific properties, Mg and Mg alloys are gaining increasing importance for applications including aerospace, automotive, materials handling, and portable electronic appliances[1-5]. However, Mg and Mg alloys usually suffer from relatively poor mechanical strength and are rarely used for high-performance structural applications[6-8......