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Influence of melt-treatment on material constants of aluminum sheet used for easy-open can during hot deformation CHEN Yong-lu(陈永禄), FU Gao-sheng(傅高升), CHEN Wen-zhe(陈文哲) College of Materials... and evenly. Key words: aluminum sheet; easy-open can; material constants; melt-treatment; hot compression deformation ......
J. Cent. South Univ. Technol. (2011) 18: 42-47 DOI: 10.1007/s11771-011-0656-z Influence of dopant content on morphology and optical constants of ZnO:Na films by sol-gel method L? Jian-guo(吕建国)1, 2, CAO Chun-bin(曹春斌)1, 3, SONG Xue-ping(宋学萍)1, SUN Zhao-qi(孙兆奇)1 1. School of Physics and Material Science, Anhui University, Hefei 230039, China; 2. Department of Physics and Electronic......
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Optical constants of Er2O3-Al2O3 films studied by spectroscopic ellipsometry朱燕艳1,方泽波2,徐闰31. Department of Mathematics and Physics,Shanghai University of Electric Power2. Department of Physics... magnetron technique at room temperature.The samplewas annealed at 450,600 and 750 oC for 30 min in O2 ambience,respectively.The optical constants were studied by spectroscopic ellipsometryfor both......
Optical constants of Er2O3-Al2O3 films studied by spectroscopic ellipsometry朱燕艳1,方泽波2,徐闰31. Department of Mathematics and Physics,Shanghai University of Electric Power2. Department of Physics... magnetron technique at room temperature.The samplewas annealed at 450,600 and 750 oC for 30 min in O2 ambience,respectively.The optical constants were studied by spectroscopic ellipsometryfor both......
. The relationship between material constants (Q, n, α and lnA) and strain is identified by the sixth order polynomial fit. The constitutive model is developed to predict the flow stress of the material incorporating... with increasing deformation temperature or strain rate. Key words: flow stress; dynamic recrystallization kinetics; high strength steel; constitutive model; material constants 1 Introduction During......
Effects of initial δ phase (Ni3Nb) on hot tensile deformation behaviors and material constants of Ni-based superalloy Yong-cheng LIN1,2,3, Min HE1,3, Ming-song CHEN1,3, Dong-xu WEN1,3, Jian CHEN4 1... behaviors and material constants of a Ni-based superalloy were investigated over wide ranges of strain rate and deformation temperature. It is found that the true stress-true strain curves exhibit peak......
Trans. Nonferrous Met. Soc. China 20(2010) s713-s718 X38CrMoV5 hot-work tool steel as tool material for thixoforging of steel: Numerical and experimental evaluation A. RASSILI, J. C... loadings applied to the tools during the steel thixoforging process in order to determine whether classical hot-work tool steel can be an appropriate tool material. This evaluation has been realized......
J. Cent. South Univ. (2012) 19: 433-442 DOI: 10.1007/s11771-012-1022-5 Solving material distribution routing problem in mixed manufacturing systems with a hybrid multi-objective evolutionary... 515063, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: The material distribution routing problem in the manufacturing system is a complex combinatorial......
. The constitutive equation and material constants (Q, n, α lnA) are obtained according to the hyperbolic sine function and Zener-Hollomon parameter. Besides, dynamic recrystallization (DRX) grain size model... equation; material constants; dynamic recrystallization; processing map 1 Introduction In hot forming processes, the complex microstructural evolutions are often induced by the multiplicate hot......
