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in Al-5Ti-1B master alloys prepared by different feeding orders 图5所示为混合加料时制备Al-5Ti-1B中间合金的显微断口形貌.从图5可以看到,TiAl3颗粒表面吸附有很多的TiB2粒子,该现象从侧面有力证明了TiB2这种抑制作用的存在.另外,大量的研究表明[20],TiAl3的形貌,尺寸及分布对于Al-Ti-B中间合金的晶粒细化能力有着直接的... International, 2009, 42: 59-65. [3] PRASADA RAO A K, DAS K, MURTY B S, CHAKRABORTY M. Al-Ti-C-Sr master alloy-A melt inoculant for simultaneous grain refinement and modification of hypoeutectic Al-Si alloys......
Refining Effect of a New Al3Ti1B1RE Master Alloy on Al Sheets Used for Can Manufacture and Behavior of Rare Earths in Master Alloy 傅高升1,陈文哲2,钱匡武2 (1.Department of Mechanical Engineering, Fuzhou University, Fuzhou 350002, China;2.College of Materials Science and Engineering, Fuzhou University, Fuzhou 350002, China) Abstract:The refining effect of Al3Ti1B1RE master alloy on Al sheets used......
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by equal channel angular pressing was reported by ZHENG et al[9]. However, the damping properties of Mg-Cu binary alloys are rarely studied. As we know, the Mg-Cu binary alloy is a good system to reveal...%Si (mass fraction), respectively. The alloys were prepared by melting pure Mg (99.99%), Mg-30%Cu and Mg-30%Si (mass fraction) master alloys in an electrical furnace under SF6+CO2 protective atmosphere......
RAO A K, DAS K, MURTY B S, CHAKRABORTY M. Al-Ti-C-Sr master alloy-A melt inoculant for simultaneous grain refinement and modification of hypoeutectic Al-Si alloys[J]. Journal of Alloys and Compounds...对Al-Si-Mg合金的变质细化作用[J]. 轻合金加工技术, 2000, 28(7): 10-12. QI Xiao-gang, WANG Yu-hou, BIAN Xiu-fang. The refining effect of Al-Ti-B-Sr master alloy on the Al-Si-Mg alloy [J]. Light Alloy Fabrication......
Al-Mg-Sc和Al-Mg-Er合金的组织与性能傅乐1,雷学锋1,2,尹志民1,黄继武11. 中南大学材料科学与工程学院2. 航天材料及工艺研究所摘 要:采用铸造-轧制-稳定化退火技术制备了Sc含量为0.10wt%和Er含量为0.25wt%的两种Al-Mg合金薄板,研究了不同处理工艺下两种合金板材拉伸性能...5B70合金,而这种合金的Sc含量只有5B70合金的40%,能显著降低合金的制造成本,预示着低Sc含量的合金在航天领域有良好的开发应用前景.关键词:Al-Mg;Sc;Er;Zr;5B70;5A06;拉伸性能;剥落腐蚀;抗退火软化能力;......
-Mg-Sc alloy [J]. Physics of Metals and Metallography, 1982, 54(1): 189-191. [6]YIN Zhi-min, GAO Yong-zheng, PAN Qing-lin, et al. Effect of trace Sc and Zr on grain refinement of cast Al-Mg alloys [J... Article ID: 1003-6326(2005)06-1341-05 As-cast microstructure of Al-Zn-Mg and Al-Zn-Mg-Cu alloys added erbium MAO Jian-wei(毛建伟)1, JIN Tou-nan(金头男)1, XU Guo-fu(徐国富)2, NIE Zuo-ren(聂祚仁)1 (1......
as-cast alloys [1,2]. Al-Sr master alloy rods have a great demand in industrial production, and Al4Sr phases are required to exhibit a homogeneous distribution in rods with a small size. Unfortunately...Trans. Nonferrous Met. Soc. China 27(2017) 305-311 Microstructure evolution of Al-Sr master alloy during continuous extrusion Sheng BI1, Xin-bing YUN1, Jiu-yang PEI1, Ying ZHAO1, Zhi-yong YAN2, Xu......
almost no influence on fscoh. References [1] VELDMAN N L M, DAHLE A K, STJOHN D H. Dendrite coherency of Al-Si-Mg alloys [J]. Metall Mater Trans A, 2001, A32: 147-155. [2] JIANG H, KIERKUS W T, BARDES... emission and inductively coupled plasma spectroscopy were used to verify the chemical compositions. An Al-5%Ti master alloy was added to the A357 alloys to refine the grain size, and an Al-10%Sr......
Table 1 Chemical composition of AZ91D magnesium alloy (mass fraction, %) 表2 Mg-Nd中间合金的化学成分 Table 2 Chemical composition of Mg-Nd master alloy (mass fraction, %) Mg-Nd中间合金是常用的稀土中间合金,其铸态组织由α-Mg固溶体和β-Mg41Nd5相组成,显微组织如图1(b)所示. 用CA6140型车床将2种铸锭分别车削成屑,AZ91D合金屑的表面形貌如图2(a)所示,Mg-Nd中间合金屑的表面形貌如图2(b)所示. 图1 合金的显微组织 Fig. 1 Microstructures of alloys 图2 合金屑的表面形貌 Fig. 2 ......
