材料期刊网，材料期刊，材料类期刊，材料期刊投稿

Toughening of Epoxy Resin with Solid Amine Terminated Poly (ethylene glycol) Benzoate and Effect of Red Mud Waste Particles

An investigation was carried out to modify the toughness of triethylene tetramine cured DGEBA (diglycidyl ether of bisphenol-A) resin using solid amine terminated poly (ethylene glycol) benzoate (ATPEGB) as modifier with and without red mud waste particles. The solid ATPEGB modifier synthesized from...

关键词: Epoxy , toughness , adhesive , morphology

SIMULATON ON WELDING PROCESS OF T - JOINTS

H. Y. Zhao , A. L. Lu , Q. Y. Shi and F. Yan (Welding Division , Department of Mechanical Engineering , Tsinghua University , Beijing 100084 , China)

金属学报(英文版)

T-joints are widely used in ship manufacturing and other welding structures.The welding residual stress and deformation hare significant influence on failure and service life in welding structures.By us- ing of 3D thermal elasto - plastic FEM, the temperature fields...

关键词: welding , null , null , null , null

Magnetic properties of 1T-TaS2

Chinese Physics Letters

The magnetic properties of 1 T-TaS2 and 1 T-Fe-0.07 Ta-0.93 S-2 have been studied, Experimental results show that the phase transition temperature of 1 T-TaS2 is a function of the magnetic field, At low temp...

关键词: density

T300和T700炭纤维的结构与性能

李东风 , 王浩静 , 贺福 , 王心葵

新型炭材料 doi:10.3969/j.issn.1007-8827.2007.01.011

利用SEM、元素分析、XRD和激光Raman光谱研究了T300和T700的形貌、化学组成和微观结构参数.结果发现:T

关键词: PAN基炭纤维 , 微观结构 , XRD , Raman光谱

Effects of Mn and Cu doping in La(T,Al)(13) (T=Fe,Co) on crystal structure and magnetic properties

Journal of Alloys and Compounds

The crystal structures and magnetic properties of Mn and Cu-doped in La(T,Al)(13) (T=Fe,Co) compounds have been investigated by means of X-ray powder diffraction and magnetic measurement. The results show that Mn doping stabilizes the cub...

关键词: ternary La aluminides;Fe rich rare earth intermetallics;magnetic;properties;intermetallic compounds;rare-earth;transition;nd

S-T-B流型判别方法

孙长征 , 宇波 , 魏进家

工程热物理学报

通过分析气相、液相、管壁之间的关系,将气液混输管道中的流型划分为五种,并总结了各流型的特点及气液相和管壁间的几何关系;在对Baker、Brill、Beggs-Brill、Taitel、段塞特征分析(SCA)等流型判别方法进行分析的基础上,提出了一种综合使用SCA、Taitel和Brill三种方法的流...

关键词: 气液混输 , 流型 , 段塞特征分析法 , S-T-B

6061-T4铝合金搅拌摩擦焊T型接头缺陷及性能

周光 , 杨新岐 , 徐效东 , 张照华

航空材料学报 doi:10.3969/j.issn.1005-5053.2012.4.005

对板厚3mm的6061-T4铝合金T型接头进行搅拌摩擦焊接研究并具体讨论了旋转速率(ω)及焊接速率(ν)对焊接缺陷及力学性能的影响.结果表明:对给定的夹具形式和搅拌工具,当ν不...

关键词: 搅拌摩擦焊 , T型接头 , 焊接缺陷 , 力学性能

2A70-T6铝合金T型接头搅拌摩擦焊工艺研究

何志宏 , 李宝华 , 唐众民 , 鄢江武

兵器材料科学与工程 doi:33-1331/TJ.20110905.2223.006

采用3种规格的搅拌头进行2A70-T6铝合金T型接头搅拌摩擦焊试验,并对焊缝横截面进行观察以及焊缝抗拉强度的测试.结果表明:焊缝中前进侧过渡区的金属变化急剧,拉长的晶粒成流线状...

关键词: 2A70-T6 , 铝合金 , T型接头 , 搅拌摩擦焊

Thermal shifts and electron-phonon interactions of T-4(2) and T-4(1). broad bands for ruby

Communications in Theoretical Physics

For the first time, by taking into account all the irreducible representations and their components in the electron-phonon interaction (EPI) as well as all the levels and the admixtures of wavefunctions within d(3) electronic configuration, the values of parameters in expressions of Raman and optica...

关键词: crystal fields;optical spectral bands;electron-phonon interaction;thermal expansion;thermal shift;theoretical calculations;high-pressure;field;spectroscopy;spectra