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on the alloy peel off. The shedding of these two phases prevents corrosion from continuing inside the alloy and inhibits further corrosion. Therefore, local exfoliation corrosion is formed in the alloy... Sheng-dan, ZHANG Xin-ming. Effect of exfoliation corrosion on mechanical properties of 7055 aluminum alloy sheet [J]. Journal of Central South University, 2012, 43(6): 2137-2141. DOI......
Design, 2011, 32(4): 2149-2156. [12] CHEN S, CHEN K, PENG G, JIA L, DONG P. Effect of heat treatment on strength, exfoliation corrosion and electrochemical behavior of 7085 aluminum alloy [J]. Mater.... Influence of dual retrogression and re-aging temper on microstructure, strength and exfoliation corrosion behavior of Al–Zn–Mg–Cu alloy [J]. Transactions of Nonferrous Metals Society of China, 2012, 22(4......
to develop if exfoliation, intergranular corrosion, or pitting attack occurs around a countersunk fastener hole. Fig.2 General locations for pitting around fastener hole Case 2 represents a severe... of the exfoliation life. It shows that the model used in current analysis is suite to analyze the effect of pitting corrosion on fatigue life for both constant and variable amplitude spectrum. 5.2......
Effects of heat treatment process on stress corrosion cracking and microstructures of 7A05 Al alloy plate CAI Gang-yi(蔡刚毅), L? Guang-shu(吕广庶), MA Zhuang(马 壮) School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China Received 28 July 2006; accepted 15 September 2006 Abstract: In order to improve the stress corrosion cracking(SCC) resistance of 7A05Al......
in a 3.5 wt% NaCl solution, whereas exfoliation corrosion occurred on the surfaces of the samples immersed in a mixture of 0.25 wt% Na2S2O8 and 3.5 wt% NaCl solutions. A power exponent relationship...Prediction model for atmospheric corrosion of 7005-T4 aluminum alloy in industrial and marine environmentsXiao-guang Sun1,Peng Lin1,Cheng Man2,Jian Cui1,Hai-bo Wang1,Chao-fang Dong2,Xiao-gang Li21......
Corrosion Behaviour of Annealed Cnx/Tiny Multilayers ZOU Yang1,ZHANG Shao-hua1,FU Qiang1,PAN Chun-xu1,ZHANG Guo-dong1,ZHANG Fu-ju1 (1.Wuhan University, Wuhan, P.R..China) 摘要:The corrosion... and then annealed at different temperature. The annealed multilayers showed superior corrosion resistance as compared to the as-deposited coating. The corrosion model of annealed CNx/TiNy multilayers has......
银在活性炭上的吸附与表征 刘文宏1,周崇松1,范必威1 (1.成都理工大学材料与生物工程学院,四川,成都,610059) 摘要:研究了银在活性炭上吸附与分布的各种影响因素.结果表明:(1)在氨水或硫代硫酸钠介质中银的吸附量降低,氨水浓度增大对银的吸附没有影响,而还原性的硫代硫酸钠浓度增大使银的吸附量降低.(2)活性炭氧化改性不利于Ag+ 和[Ag(S2O3)2]3- 的吸附,却有利于[Ag(NH3)2]+的吸附.(3)银主要分布在活性炭的外表面;银的分布受到吸附时间,银离子浓度,配位体及活性炭氧化改性等因素的影响,合理控制这些条件,就可以控制活性炭上银颗粒的粒径. 关键词:特种功能无机......
Corrosion and Cavitation Erosion Behaviors of Two Marine Propeller Materials in Clean and Sulfide-Polluted 3.5% NaCl SolutionsQi-Ning Song1,Nan Xu1,Ye-Feng Bao1,Yong-Feng Jiang1,Wei Gu1,Yu-Gui... of Sciences3. College of Materials Science and Engineering, Jiangsu University of Science and Technology摘 要:The corrosion and cavitation erosion behaviors of two main......
and corrosion properties of forged 7085 aluminum alloy were investigated by slow strain rate testing(SSRT), exfoliation corrosion test combined with electrochemical polarization curves and transmission electron microscopy(TEM). The results show that T74 aging treatment has low sensitivity of stress corrosion cracking and excellent resistance of exfoliation corrosion at the expense of strength compared......
in NaCl solution, whereas exfoliation corrosion mainly occurs in NaCl solutions containing NaHSO3 or NaHCO3.关键词:...Effect of aging treatment on microstructure and corrosion behavior of Al-Zn-Mg aluminum alloy in aqueous solutions with different aggressive ionsPan Liu,Lulu Hu,Qinhao Zhang,Cuiping Yang,Zuosi Yu......