共搜索到189条信息，每页显示10条信息，共19页。用时：0小时0分1秒149毫秒
Effect of minor Sc and Zr addition on microstructures and mechanical properties of Al-Zn-Mg-Cu alloys ZOU Liang(邹 亮), PAN Qing-lin(潘清林), HE Yun-bin(何运斌), WANG Chang-zhen(王昌臻), LIANG Wen-jie(梁文杰...; Abstract: Three kinds of Al-Zn-Mg-Cu based alloys with 0.22%, 0.36%(Sc+Zr......
and toughness of AA7050 Al-Zn-Mg-Cu-Zr alloy plate [J]. Metallurgical and Materials Transactions A, 1995, A26: 2481-2484. [6] DUMONT D, DESCHAMPS A, BR?CHET C. Characterization of precipitation... A, 1998, A251: 200-207. [12] YAMAZAKI S, OTSUKA H, KIKUCHI T. Peripheral-recrystallized structures formed in Al-Zn-Mg-Cu-Zr alloy materials during extrusion and their quenching sensitivity [J]. Journal......
on microstructures and properties of high strength Al-Zn-Mg-Cu-Zr alloys [J]. Mater Sci Forum, 2007, 546/549: 1021-1026. [16] MARSHA E V, DAVID C D. Nanoscale precipitation and mechanical properties... secondary dendrite arms. It was reported that the Ce content affected the grain size and the mechanical properties of Al-Cu-Mg-Mn-Ag alloys[15]. The Yb addition improved the mechanical properties of Al-Zn......
and mechanical properties of Al-Zn-Mg-Cu-Zr based alloys[J]. Rare Metals, 2008, 28: 102- 106. [4] LIU S D, ZHANG X M, CHEN M A, YOU J H. Influence of aging on quench sensitivity effect of 7055 aluminum...指导,同时也为高强铝合金的热变形的研究开启了新思路.本文作者以7055铝合金的热模拟压缩实验结果为基础,建立该合金高温流变应力的神经网络预测模型和高温变形时的加工图. 1 实验 试验材料是国内某铝加工企业提供的半连续工业铸锭,其化学成分(质量分数)如下: Zn 7.87%,Cu 2.05% , Mg 2.16%, Zr 0.12%.图1所示为均匀化处理后的合金组织.将均......
J. Cent. South Univ. Technol. (2011) 18: 279-284 DOI: 10.1007/s11771-011-0691-9 Microstructure and mechanical properties of Al-Zn-Cu-Mg-Sc-Zr alloy after retrogression and re-aging treatments LI... corrosion cracking (SCC) resistance of an Al-Zn-Cu-Mg-Sc-Zr alloy under different aging conditions were investigated. The dependence of microstructure and mechanical properties on aging parameters......
Yong-an, LI Zhi-hui, ZHU Bao-hong, LIU Hong-wei. Effect of one-step aging on microstructure and properties of a novel Al-Zn-Mg-Cu-Zr alloy[J]. Science in China Series E: Technological Sciences, 2009, 52... Science and Engineering A, 2009, 501(1): 133-139. [12] DORWARD R C, BEERNTSEN J. Grain structure and quench-rate effects on strength and toughness of AA7050 Al-Zn-Mg-Cu-Zr alloy plate[J]. Metallurgical......
chemical compositions of 7.5% Zn, 1.6% Mg, 1.5% Cu, 0.12% Zr and Al balance (mass fraction). Cylindrical samples with 10 mm in diameter and 15 mm in height were machined from the homogenized billets... and quench-rate effects on strength and toughness of AA7050 Al-Zn-Mg-Cu-Zr alloy plate [J]. Metallurgical and Materials Transactions A, 1995, 26(9): 2481-2484. [4] DESHPANDE N U, GOKHALEG A M, DENZER D......
discussion of the effect of a low-frequency electromagnetic vibrating field on the as-cast microstructures of DC Al-Zn-Mg-Cu-Zr ingots[J]. Crystal Growth, 2006, 295: 179-187. [4] ZUO Y B, CUI J Z, MOU D... slurry of Al-Zn-Mg-Cu aluminum alloy by weak electromagnetic stirring[J]. The Chinese Journal of Nonferrous Metals, 2016, 26(12): 2499-2505. [18] 王少华, 杨守杰, 房灿峰, 王剑钊, 戴圣龙, 张兴国. 电磁铸造对Al-Zn-Mg-Cu-Zr 合金微观组......
能够强烈地抑制铝合金的再结晶过程,细化晶粒,改善合金的强度,断裂韧性和耐蚀性[3-7].在Al-Zn-Mg-Zr合金的基础上复合添加其他微量元素,能够进一步提高该系合金的性能.张茁等[8]发现在Al-Zn-Mg-Cu-Zr合金中添加0.3%(质量分数)Yb能够形成含Yb的共格弥散相,抑制基体再结晶,保持形变回复组织,提高了合金的断裂韧性.Mn元素能够提高合金的再结晶温度,抑制再结晶,细化晶粒,并且...,Al-Zn-Mg-Zr-Mn板材中的Al3Zr弥散相增大,直径为(25.8±1.7) nm,数量明显更少且间距更大.含Mn弥散相的长度为(164.2±15.5) nm,宽度为(65.0±6.3) nm,对含Mn弥散相的化学成分进行分析,结果如表5所示.ROBSON[22]的研究表明:在Al-Zn-Mg(Cu)合金中基体Zr元素质量分数降低,析出Al3Zr粒子的粒径和间距增加,数量减少.由表5可知......
Trans. Nonferrous Met. Soc. China 30(2020) 1429-1438 Effects of minor Sc and Zr additions on mechanical properties and microstructure evolution of Al-Zn-Mg-Cu alloys Quan-feng XIAO1, Ji-wu HUANG1,2...). The ultimate tensile strength of the peak-aged Al-Zn-Mg-Cu alloy is improved by about 105 MPa with the addition of 0.10% Zr. An increase of about 133 MPa is observed with the joint addition of 0.07% Sc......
