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Trans. Nonferrous Met. Soc. China 24(2014) 3465-3476 Influence of melt pouring temperature and plate inclination on solidification and microstructure of A356 aluminum alloy produced using oblique... of A356 aluminum alloy using an oblique plate was investigated. A356 alloy melt undergoes partial solidification when it flows down on an oblique plate cooled from underneath by counter flowing water......
压力和充型速度是影响半固态合金充型能力的两个主要因素, 提高充型压力, 一定充型压力下适当减小充型速度都可以提高充型能力. 关键词: 半固态A356合金; 圆管; 充型能力; 理论计算; 极限长度 中图分类号: TG146.4 文献标识码: A Limiting length of semi-solid A356 alloy rheological filling TAN... of semi-solid A356 alloy rheological filling in round pipe, was deduced by analyzing the mechanics of semi-solid alloy rheological filling. This model includes the processing parameters and self......
between silicon particles and eutectic aluminum phase. Key words: rheocasting; gravity casting; A356 alloy; corrosion; pitting; pitting; microstructure 1 Introduction After more than 30 years... In this study, A356 alloy was produced by melting high purity aluminum and mixing with high purity silicon and magnesium. Table 1 shows the chemical composition of the alloy used in this study. All......
文章编号: 1004-0609(2004)10-1729-07 加钛方式与钛含量对A356合金组织和性能的影响 宋谋胜, 刘忠侠, 李继文, 宋天福, 王明星, 谢敬佩, 翁永刚 (郑州大学 物理工程学院, 材料物理教育部重点实验室, 郑州 450052 ) 摘 要: 研究了不同钛含量的电解A356合金的组织和力学性能, 并与相应钛含量的熔配加钛A356合金进行了比较. 结果表明: 随着钛含量的增加, 二者的晶粒和一次枝晶都明显细化, 硅颗粒尺寸, 纵横比均有所降低, 硅颗粒圆形度有所增加, 意味着硅颗粒形状得到改善. 但当钛含量大于0.1%时, 这种影响变弱. 钛含量和加钛方式对合金的屈服强度和抗拉强度影响不大且二者相当, 但塑性随着钛含量的增加而增加, 当钛含量达到0.1%时, 两种合金均具有最佳的塑性和质量系数. 对具有相同钛含量的合金, 电解加钛A356合金的晶粒......
lifetimes of aluminum alloy A356 castings [J]. Materials Science and Engineering A, 2000, 285: 43-48. [16] ATZAGA G, PELAYO A, IRISARRI A M. Effect of microstructure on fatigue behavior of cast Al-7Si-Mg... into the matrix of A356 Al alloy to form composite material. Constant tool rotation speed of 1800 r/min and travel speed of 127 mm/min were used in this study. The base metal (BM) shows the hypoeutectic......
, Ningbo 315100, China; 2. Beijing General Research Institute for Nonferrous Metals, Beijing 100088, China) Abstract: The semi-solid slurry of A356 aluminum alloy was prepared by the repeated heating... frequency of 40 μm-1, the favorable microstructure of semi-solid A356 aluminum alloy can be generated by the repeated heating-cooling method with the elliptical-twisted tubes. Key words: A356 Al alloy......
Annulus electromagnetic stirring for preparing semisolid A357 aluminum alloy slurry BAI Yue-long(白月龙), XU Jun(徐 骏), ZHANG Zhi-feng(张志峰), SHI Li-kai(石力开) General Research Institute...; Abstract: The effects of pouring temperature and annulus gap width on the microstructure of the semi-solid A357 aluminum alloy......
Filling ability of semi-solid A356 aluminum alloy slurry in rheo-diecastingYuelong Bai~(1,2)Weimin Mao~(1)Songfu Gao~(1)Guoxing Tang~(1)Jun Xu~(2) (1)School of Materials Science... studied by the reho-diecasting methods.The results show that the slurry temperature of the semi-solid A356 aluminum al- loy has an important effect on the filling ability;the higher the slurry temperature......
and time of four rare earth aluminum alloy 已有研究表明[3, 12-15],多元稀土的加入量在1%~ 3%时,对A356铝合金初生相有一定的细化效果.参照部分稀土添加量的相关研究及作者前期的实验结果,对Gd,Y ,Nd和Ce四元稀土(分别以Al-20%Gd,Al-10%Y,Al-10%Nd,Al-10%Ce中间合金形式加入)进行正交试验设计,详见表3. 表3...): 343-349. [3] LA TORRE A D, PEREZ-BUSTAMANTE R, CAMARILLO-CISNEROS J, GOMEZ-ESPARZA C D, MEDRANO-PRIETO H M, MARTINEZ-SANCHEZ R. Mechanical properties of the A356 aluminum alloy modified with La/Ce[J......
Trans. Nonferrous Met. Soc. China 25(2015) 2516-2523 Porosity sensitivity of A356 Al alloy during fiber laser welding Kai LI1,2, Feng-gui LU1,2, Song-tao GUO1, Hai-chao CUI1,2, Xin-hua TANG1,2 1... power is 5 kW and defocusing value is 0. Key words: A356 Al alloy; fiber laser welding; porosity; keyhole; plume 1 Introduction As one of the most advanced technologies, laser welding has gotten a huge......
