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of Alloys and Compounds, 2018, 747: 471-483. [8] MUKHOPADHYAY A K, KUMAR A, RAVEENDRA S, SAMAJDAR I. Development of grain structure during superplastic deformation of an Al-Zn-Mg-Cu-Zr alloy containing... of Cu, Li and Sc were analyzed by inductively coupled plasma optical emission spectrometer (ICP-OES). As for Mg, Zn, Mn and Zr elements, there is minor variation between the designed content......
Y P. Effect of ultrasonic processing of molten metal on structure formation and improvement of properties of high-strength Al-Zn-Mg-Cu-Zr alloys [J]. Advanced Performance Materials, 1995, 2: 43-50... are given in Table 1. The alloys used in the experiments were prepared with Al-24.45Si and Al-10Mn master alloys, pure Al, Fe, Cu, Ni and Mg. The molten metal was degassed with pure argon gas after......
and properties evolution of spray-deposited Al-Zn-Mg-Cu-Zr alloys with scandium addition[J]. Journal of Alloys and Compounds, 2017, 691: 482-488. [5] ROMETSCH P A, ZHANG Yong, KNIGHT S. Heat treatment of 7xxx...理；峰值时效；晶间腐蚀 文章编号:1004-0609(2019)-10-2225-11 中图分类号:TG146.2 文献标志码:A 7000系Al-Zn-Mg-Cu铝合金具有高强度,低密度以及良好的断裂韧性和成型性能,广泛应用于航空航天领域[1-3].该系合金元素含量高,常形成多种类型第二相粒子......
DOI: 10.11817/j.ysxb.1004.0609.2020-36341 淬火速率对含Sc(Zr)高强韧Al-Zn-Mg-Cu合金微观组织和力学性能的影响 李芳芳1,徐国富1, 2,李 耀1,黄继武1, 2,邓 英1, 2,尹志民1, 2 (1. 中南大学 材料科学与工程学院,长沙 410083； 2. 中南大学 有色金属材料科学与工程教育部重点实验室,长沙 410083) 摘 要:通过末端淬火实验(JEQ),X射线衍射仪(XRD),扫描电镜(SEM),透射电子显微镜(TEM)研究一种热挤压Al-Zn-Mg-Cu-Sc-Zr棒材的淬火敏感性.结果表明:随着距离淬火端越远,冷却速率从1800 ℃/min下降至111 ℃/min,合金硬度从150 HB下降至133 HB,抗拉强度从430 MPa下降至375 MPa.当冷却速率为131.2......
] PENG Guo-sheng, CHEN Kang-hua, FANG Hua-chan, CHEN Song-yi. Effect of Cr and Yb additions on microstructure and properties of low copper Al-Zn-Mg-Cu-Zr alloy[J]. Materials and Design, 2012, 36...膜的塑性远小于金属基体引起的,在拉应力作用下,被测合金不断变形,钝化膜首先破裂,导致基体暴露在腐蚀介质中,从而造成SCC发生.随着人们对SCC机理认识的不断深入,经典的局部阳极腐蚀理论认为晶界上优先发生了η-Mg(Zn,Al,Cu)2相的腐蚀,而氢致开裂理论认为晶界附近的H原子浓度超过了临界值是发生SCC的主要原因,目前有学者提出Mg在晶界的偏析和Mg-H的相互作用也会影响SCC[8-11......
and mechanical properties of an Al-Zn-Mg-Cu-Zr alloy [J]. Materials Science and Engineering A, 2014, 598: 293-298. [9] YANG Guang-yu, MENG Hong-shuai, LIU Shao-jun, QI Yuan-hao, JIE Wan-qi... Al-Zn-Mg-Cu alloys; solution treatment; aging; microstructures; mechanical properties 1 Introduction In recent years, Al-Zn-Mg-Cu alloys have drawn increasing attention due to their remarkable......
of minor combined addition of Cr and Pr on microstructure, mechanical properties and corrosion behaviors of an ultrahigh strength Al-Zn-Mg-Cu-Zr alloy[J]. Micron, 2018, 104: 80-88. [20] PENG Xiao-yan, GUO... corrosion cracking of Al-Zn-Mg-Zr alloys[J]. Materials Science & Engineering A, 2016, 675: 280-288. [6] 侯泽北, 夏山林, 高建宇, 等. 不同热处理工艺对7003铝合金组织和性能的影响[J]. 热加工工艺, 2016, 45(16): 249-252. HOU Ze-bei, XIA Shan-lin......
. [6] XIAO Quan-feng, HUANG Ji-wu, JIANG Ying-ge, JIANG Fu-qin, WU Yun-feng, XU Guo-fu. Effects of minor Sc and Zr additions on mechanical properties and microstructure evolution of Al-Zn-Mg-Cu alloys [J]. Transactions of Nonferrous Metals Society of China, 2020, 30: 1429-1438. [7] FANG H C, CHEN K H, CHEN X, CHAO H, PENG G S. Effect of Cr, Yb and Zr additions on localized corrosion of Al-Zn-Mg-Cu......
] MONDAL C, SINGH A K, MUKHOPADHYAY A K, CHATTOPADHYAY K. Formation of a single, rotated-Brass {110}<556> texture by hot cross-rolling of an Al-Zn-Mg-Cu-Zr alloy [J]. Scripta Materialia, 2011, 64(5... on the aging response of an Al-Cu-Li-Ag-Mg-Zr alloy [J]. Scripta Metallurgica et Materialia, 1990, 24(7): 1245-1250. [31] ANDERSEN S J, ZANDBERGEN H W, JANSEN J, TRLHOLT C, TUNDAL U, REISO O. The crystal......
