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properties of Al-Zn-Mg-Cu alloy [J]. Rare Metal Materials and Engineering, 2007, 36(4): 665-670. (in Chinese) [6] ZHANG Xin. Scandium-contained aluminum alloys and their applications [J]. Chinese Journal... Al-9.0Zn-2.8Mg-2.5Cu-0.12Zr-0.03Sc alloy obtains a tensile strength of 777.29 MPa and a elongation of 11.84%. Key words: Al-Zn-Mg-Cu Alloy; solution treatment; structure; mechanical properties 1 Introduction......
for a relative long time. After 44h, the microstructure of this stage contains predominantly the η′ phase and the η phase. Key words: Al-Zn-Mg-Cu alloy; spray forming; precipitate; mechanical property...究120℃下该合金的时效曲线和沉淀析出行为. 研究结果表明: 该合金在120℃时效4h强度即可达到800MPa以上; 16h达到峰时效状态, 强度可达820MPa, 此阶段GPⅠ区和GPⅡ区联合强化起主导作用; 44h后存在长时间的时效平台, 强度在800MPa左右, 此阶段η′相和η相起主导强化作用. 关键词: Al-Zn-Mg-Cu合金; 喷射成形; 沉淀析出; 力学性能 中图分类号......
alloy with various additions of refiner 图7 不同细化剂加入量下Al-Zn-Mg-Cu合金的XRD谱 Fig. 7 XRD spectrum of Al-Zn-Mg-Cu aluminum alloy with various additions of refiner 图8所示为添加0.5%TiC/Ti细化剂的 Al-Zn- Mg-Cu合金... on microstructure and properties of Al-Zn-Mg-Cu aluminum alloy[J]. The Chinese Journal of Nonferrous Metals, 2015, 25(4): 910-917. [3] 刘吉东, 曹志强, 张红亮. 熔体超声处理对Al-Zn-Mg-Cu铝合金铸态组织及成分偏析的影响[J]. 机械工程材料, 2009, 33(9): 57-60......
be helpful to relieve the residual stresses. Key words: Al-Zn-Cu-Mg alloy; quench sensitivity; TTP curve; precipitation 7×××系(Al-Zn-Mg-Cu)合金具有较高的室温强度和良好的综合性能,是世界各国航空,航天,交通运输等领域不可或缺的结构材料[1-2].经过80多年的发展... Sci Eng A, 2004, 371(1/2): 82-90. [15] DESCHAMPS A, BR?CHET Y. Nature and distribution of quench-induced precipitation in an Al-Zn-Mg-Cu alloy[J]. Sci Mater, 1998, 39(11): 1517-1522. [16] CONSERVA M......
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. The alloy reaches its maximum hardness after being aged at 120 ℃ for 14 h, associated with a massive precipitation of intermediate η′-phase (MgZn) in the matrix. Key words: Al-Zn-Mg-Cu alloy; spray... suitable for the preparation of high solute Al-Zn-Mg-Cu series alloys. In the present study, a new Al-Zn-Mg-Cu alloy with zinc of 11.5% (mass fraction) was synthesized using the SF process, followed......
; 文献标志码:A Effect of new thermomechanical treatment on microstructure and properties of Al-Zn-Mg-Cu aluminum alloy ZHANG Ji-shuai1, 3, CHEN Zhi-guo1, 2, 3, REN Jie-ke1, 3, CHEN Ji-qiang1, 3... and re-ageing heat treatment of an Al-Zn-Mg-Cu alloy[J]. Acta Materialia, 2010, 58(14): 4814-4826. [3] 张 珏. 铝合金在航空航天中的应用[J]. 铝加工, 2009(3): 50-53. ZHANG Jue. Application of aluminum alloy to aerospace......
of Central South University, 2020, 27(2): 372-380. DOI: https://doi.org/10.1007/s11771-020-4302-5. 1 Introduction The 7A09 aluminum alloy belongs to the Al-Zn-Mg-Cu series of heat-treatable multi-element aged.... References [1] WANG B, LI X B, LIU J, JIANG H. Comparison of atmospheric corrosion behavior of Al-Mn and Al-Zn-Mg-Cu alloys in a tropical coastal environment [J]. Materials and Corrosion, 2017, 69(7......
. Effect of aging condition on fatigue crack growth in 7055 aluminum alloy [J]. J Aero Mater, 2008, 28(6): 23-26. (in Chinese) [19] SHA G, CEREZO A. Early-stage precipitation in an Al-Zn-Mg-Cu alloy... of various sizes [J]. Rare Metal Materings Eng, 2004, 33(1): 35-39. (in Chinese) [7] LINDIGKEIT J, GYSLER A, LUTJERING G. Effect of microstructure on the fatigue crack propagation behavior of an Al-Zn-Mg-Cu......
A, FALLAHDOOST H, NEJADSEYFI O. Microstructure, mechanical and tribological behavior of hot-pressed mechanically alloyed Al-Zn-Mg-Cu powders [J]. Materials and Design, 2015, 75: 1-8. [2] PALANIVEL R... up to 1500 r/min and decreased afterwards. FAUZI et al [14] investigated the microstructure and mechanical properties of alumina-6061 aluminum alloy joined by friction welding and observed......
