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Effects of precipitates on fatigue crack growth rate of AA 7055 aluminum alloy CHEN Jun-zhou(陈军洲) 1, ZHEN Liang(甄 良) 2, YANG Shou-jie(杨守杰)1, DAI Sheng-long(戴圣龙)1 1. Beijing Institute... and precipitate free zone on the fatigue crack growth resistance are less significant than those of precipitates within grains of the alloy. Key words: 7055 aluminum alloy; ageing; fatigue crack growth rate......
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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......
to the experiment need. In this study, phosphoric acid anodizing (PAA) treatment was used to make the surface of aluminum alloy sheet have multi-pore structures so as to increase the interlocking between... environment and explore anti-corrosion ways to protect CARALL. The results show that the connection between carbon fiber and aluminum alloy changes electric potential, causing galvanic corrosion......
Mechanical Properties and Microstructure Evolution of AA1100 Aluminum Sheet Processed by Accumulative Press Bonding ProcessAmir Mostafapor1,Vahid Mohammadinia21. Department of Mechanical Engineering... deformation processes,which is devised to produce materials with ultra-fine grain.In the present work,the mechanical properties and microstructural evolution of AA1100 alloy,which is produced by APB......
J. Cent. South Univ. Technol. (2008) 15: 153-158 DOI: 10.1007/s11771-008-0030-y Influence of quench transfer time on microstructure and mechanical properties of 7055 aluminum alloy YOU Jiang-hai... properties of 7055 aluminum alloy with and without zirconium was investigated by tensile properties test, optical microscopy, scanning electron microscopy and transmission electron microscopy. For the Zr......
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......
Annealing behavior of rolled AZ31 alloy sheet PENG Wei-ping(彭伟平), LI Pei-jie(李培杰), ZENG Pan(曾 攀) Key Laboratory for Advanced Manufacturing by Materials Processing Technology, Tsinghua... to equiaxed grains with uniform and homogeneous structures. The changes of microstructure decreased the yield strength and enhanced the elongation. The analysis of XRD shows that the AZ31 alloy sheet......
; finite element method; element-free Galerkin method; coupling; aluminum alloy 1 Introduction With the development of industrial technology, conventional rigid die forming technology faces more challenges to form complex-shaped parts and difficulty to form lightweight materials, such as magnesium, aluminum and titanium alloy [1,2]. Compared with conventional sheet forming technology, sheet metal......
