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parameter; error analysis; 7075 aluminum alloy; forming limit diagram Foundation item: Project(51775481) supported by the National Natural Science Foundation of China; Project (ZD2017078) supported..., 2016, 26(9): 1850-1857. LIU Jun-tao, ZHANG Yong-an, LI Xi-wu, LI Zhi-hui, XIONG Bai-qing, ZHANG Ji-shan. Microstructure and properties of two-step aged novel 7056 aluminum alloy[J]. The Chinese......
: Shanghai Jiao Tong University, 2007. (in Chinese) [43] XIAO Wen-chao, WANG Bao-yu, KANG Yi, MA Wei-ping, TANG Xue-feng. Deep drawing of aluminum alloy 7075 using hot stamping [J]. Rare Metal, 2017, 36... J. Cent. South Univ. (2019) 26: 524-535 DOI: https://doi.org/10.1007/s11771-019-4024-8 Springback analysis of 6016 aluminum alloy sheet in hot V-shape stamping MA Wei-ping(马卫平), WANG Bao-yu(王宝雨......
纳米稀土氧化物对7075铝合金硬度和耐磨性的影响 王铀1,田伟1,马国亮1 (1.哈尔滨工业大学材料科学系,哈尔滨,150001) 摘要:对于超硬铝合金7075,本文通过加入纳米稀土氧化物来提高其硬度.在本次实验中加入纳米稀土氧化物的含量为0.2%,原铝合金7075和改性后的铝合金7075作硬度对比,结果加入纳米稀土氧化物的铝合金7075硬度较原铝合金7075提高22.4%.在干摩擦磨损测试中,加入纳米稀土氧化物的7075铝合金磨痕宽度比原铝合金7075小. 关键词:铝合金; 纳米稀土氧化物; 硬度; [全文内容正在添加中] ......
Inhomogeneity of microstructure and mechanical properties in the nugget of friction stir welded thick 7075 aluminum alloy jointsYuqing Mao,Liming Ke,Yuhua Chen,Fencheng Liu,Li XingNational Defence Key Discipline Laboratory of Light Alloy Processing Science and Technology, Nanchang Hangkong University摘 要:In this study, 20 mm thick AA7075-T6 alloy plates......
, TAJALLY M, BORHANI E. Friction stir processing of 7075 aluminum alloy and subsequent aging treatment [J]. Transactions of Nonferrous Metals Society of China, 2015, 19: 2847-2855. [5] LI D, YANG X, CUI L...J. Cent. South Univ. (2016) 23: 1839-1846 DOI: 10.1007/s11771-016-3238-2 Correlation between microstructural features and tensile strength for friction welded joints of AA-7005 aluminum alloy Seyyed......
图1.从图1中可以清楚地看出,相同温度下实验应力与7075铝合金稳态蠕变速率的对数值呈非线性关系,即在实验条件范围内,高强铝合金7075存在明显的幂律失效现象. 表1 7075铝合金的成分含量 Table 1 Chemical composition of 7075 aluminum alloy (mass fraction, %) 图1 高强铝合金7075蠕变数据的分布情况 Fig. 1 Distribution of steady state creep rate data of aluminum alloy 7075 将7075铝合金的蠕变数据标示在蠕变速率-持久时间的关系图2中,线性拟合已断裂数据的稳态蠕变速率,持久时间tr之间的数值关系,拟合线表达式为,线性相关系数= 0.9410,说明高强铝合金7075的稳态蠕变速率与持久时间......
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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......
7075铝合金"双峰"时效研究 任建平1,宋仁国1,张宇1,李红霞1,陈小明1 (1.浙江工业大学机械制造及自动化教育部重点实验室,浙江,杭州,310014) 摘要:采用硬度测试,拉伸力学性能测试,XRD衍射物相分析以及α(Al)基体点阵常数的测量等方法对7075铝合金超长时间时效行为,力学性能,应力腐蚀(SCC)敏感性及组织进行了研究.结果表明,7075铝合金的硬度及强度都具有时效双峰特征.两个时效峰的硬度和强度相差不多,但对应第二峰时效的合金具有高强度低SCC敏感性等优异性能.第二峰强化相主要是充分析出的η''相(MsZN_2). 关键词:7075铝合金; "双峰"时效; 组织; 性能; 7075 aluminium alloy; double-peak aging; microstructure; properties; [全文内容正在添加中] ......
Article ID: 1003-6326(2005)03-0565-06 Amorphous coatings deposited on aluminum alloy by plasma electrolytic oxidation GUAN Yong-jun(关永军), XIA Yuan(夏 原) (Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China) Abstract: Amorphous [Al-Si-O] coatings were deposited on aluminum alloy by plasma electrolytic oxidation(PEO). The process parameters......
