材料期刊网

Calculation of Surface Energy of Metals and Alloys by theElectron Density Functional Method

VM.Kuznetsov , R.I.Kadyrov and G.E.Rudenskii (Institute of Strength Physics and Material Science , Russian Academy of Sciences , Siberian Branch.Academicheskii av. 2/1 , 634048 Tomsk , Russia)

材料科学技术（英文）

The surface energy values of (100), (110), (111) surfaces in Ni. Al and ordered alloys NiAl and Ni3Al have been calculated within the framework of methodology based upon the electron density functional method. The results of calculations are in good agreement with the known for pure metals experimen...

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Vm48进口淬火油与DL-16国产淬火油性能分析

肖功业 , 文海明

物理测试 doi:10.3969/j.issn.1001-0777.2000.03.004

试验采用42MnCr52与29CrMo44两种钢管环,用进口Vm48淬火油与DL-16国产淬火油分别在油温40、80°C条件下进行淬火,测量钢管环心部与表面的HRC值,并对29CrMo44在油温40°C和80°C条件下回火后的力学性能进行...

关键词: 淬火油 , 淬火 , 硬度

变系数(3+1)维Zakharov-Kuznetsov方程的Jacobi椭圆函数精确解

套格图桑 , 斯仁道尔吉

量子电子学报 doi:10.3969/j.issn.1007-5461.2010.01.002

给出了第一种椭圆方程的一些新解和解的非线性叠加公式,然后与一种函数变换相结合,借助符号计算系统Mathematica,构造了变系数(3+1)维Zakharov-Kuznetsov方程的类Jacobi椭圆函数精确解以及无穷多个类孤子解和三角...

关键词: 非线性方程 , 辅助方程法 , 非线性叠加公式 , 函数变换 , Jacobi椭圆函数 , 精确解

天然气驱动VM循环热泵的热力学分析

谢英柏 , 孙刚磊 , 宗露香 , 刘迎福

工程热物理学报

天然气驱动VM循环热泵采用天然气作为高品位驱动能源,无工质替代问题,对缓解夏季电力供应紧张和环境污染等问题具有重要的意义.本文建立了热力学模型,分析结果表明:对于理想循环,热泵性能系数随着高温热源和低温热源温度的升高而增大,随着中间温度热...

关键词: 天然气驱动 , VM循环 , 热泵 , 热力学分析 , 性能系数

镍基合金Inconel718与抗硫油套管钢在模拟气田地层水中的电偶腐蚀

魏斌 , 严密林 , 白真权 , 冯耀荣

腐蚀学报（英文）

采用电化学方法研究了在模拟罗家寨气田地层水中镍基合金Inconel718和抗硫管材VM80 SS之间的电偶腐蚀特征和电偶效应.结果表明，Inconel 718和VM80 SS的...

关键词: 电偶腐蚀 , null , null

镍基合金Inconel 718与抗硫油套管钢在模拟气田地层水中的电偶腐蚀

魏斌 , 严密林 , 白真权 , 冯耀荣

腐蚀学报（英文） doi:10.3969/j.issn.1002-6495.2007.05.003

采用电化学方法研究了在模拟罗家寨气田地层水中镍基合金Inconel 718和抗硫管材VM80 SS之间的电偶腐蚀特征和电偶效应.结果表明,Inconel 718和VM80 SS...

关键词: 电偶腐蚀 , 气田地层水 , 镍基合金Inconel 718 , 抗硫管材VM80 SS

COMPARISONS AMONG THE SOLUTIONS OF FIBER TEXTURE VECTOR

WANG Yandong , A. Vadon and J.J. Heizmann(LMPC/ISGMP , Universite de Metz , F-57045 Metz CEDEX 01 , France)ZUO Liang(Department of Materials Science and Engineering , Northeastern University , Shenyang 110006 , China)Manuscript received 16 November 1995 , in revised form 15 April 1995

金属学报(英文版)

The texture vectors, as the fundatnental elements of the vector method (VM), are usually determined by the Durand's iterative method. In present paper, the texture vector is derived by two kinds of the maximum entropy method (MEM), which choose pole figure data (MEM(I)...

关键词: : texture vector; vector method; maximum entropy method;Monte-Carlo simulation; Gaussian distribution

Microstructure-Properties Correlation of Dual Phase Steels Produced by Controlled Rolling Process

A.Fallahi

材料科学技术（英文）

The purpose of this research is to quantify the effects of compositional and processing parameters on the microstructure and properties of dual phase steel produced directly by hot rolling and rapid cooling.Steels with the base composition of 0.1%C, 1.4%Si, and 1.0%Mn with additions of 0.5%Cr to inf...

关键词: Dual-phase steel , null , null

Thermal behavior of Ni (99.967% and 99.5% purity) deformed to an ultra-high strain by high pressure torsion

Acta Materialia

Polycrystalline Ni of two purities (99.967% (4N) and 99.5% (2N)) was deformed to an ultra-high strain of epsilon(vM) = 100 (epsilon(vM), von Mises strain) by high pressure torsion at room temperature. The 4N and 2N samples at this strain ...

关键词: Discontinuous recrystallization;Continuous recrystallization;Nickel;Stored energy;Plastic deformation;plastic-deformation;stored energy;aluminum;recrystallization;nickel;microstructure;texture;metals;stability;boundary

大气等离子喷涂制备莫来石涂层的性能

安宇龙 , 刘光 , 侯国梁 , 陈建敏 , 赵晓琴

材料导报

采用大气等离子喷涂制备莫来石涂层,对涂层进行了热震试验.以OLYCIA m3图像分析软件测定涂层孔隙率,以MH-5-VM型显微硬度仪测定涂层硬度,依照ASTMC633-79标准测定涂层结合强度,以X射线衍射(XRD)和扫描电镜(SEM)表...

关键词: 大气等离子喷涂 , 莫来石涂层 , 热震试验 , 非晶