合金的

But magnesium alloy has a hexagonal close-packed crystal structure with limited number of operative slip systems at room temperature, so magnesium alloys are normally low formability near the room temperature, and limits the expansion of magnesium alloy applications.

但是由于镁合金是密排六方结构，可开动的滑移系比面心立方和体心立方金属的少，使得镁合金的室温塑性较低，降低了成形能力，限制了变形镁合金的推广应用。

It can be obtained that the structure of liquid Fe〓Si〓 alloys changes to be more open with increasing Si concentration. The Gauss decomposition of radial distribution function exhibits a Gaussian peak at about r=0.370nm on RDF of pure liquid Si as well as Fe-Si alloys, which means there are Si-Si covalence both in pure liquid Si and Fe-Si alloys.

对纯Fe、纯Si和Fe-Si合金的径向分布函数的Gauss分解显示，在纯Si径向分布函数的r=0.370nm附近存在一Gauss峰，表明纯Si熔体中存在Si-Si共价键；而在Fe-Si合金径向分布函数的同一距离范围内也存在一Gauss峰，表明Fe-Si合金熔体中也存在Si-Si共价键。

To 4. 4%, V from 0% to 11% is analyzed by heating and fast cooling test, diffracted X ray, color microstructure, XPS. Theory basis is provided for applications of the series alloy, as confirmed crystallize phase species and crystallize temperature, established the Fe-C, Fe-V bi-paraconstitutional diagrams and the tri-papaconstitutional diagrams relationship between the combatant to C and V and the primary crystallize phase, obtained relationship between component of alloy and solidification organizing.

确定各结晶相种类和结晶温度，建立了C、V含量与初生相关系的准3元状态图和Fe-C，Fe-V的准2元状态图，获得了合金成分与凝固组织的关系，为该系列合金的应用提供了现论依据，使根据组织要求而进行合金成分设计成为可能。

Positron annihilation lifetime and coincidence Doppler broadening measurements have also been performed on alloying TiAl. The experiments results indicate that the effect on the electron structure of TiAl alloy is different when different amounts of Nb are doped.

2利用符合多普勒展宽与正电子湮没寿命测量方法，分析讨论了不同含量Nb对Ti–49Al合金的掺杂效应，研究结果表明：不同含量Nb掺杂对TiAl合金的电子结构影响是不同的，从而导致了对合金性能的不同影响。

Thus the depth method was used to determine the corrosion rate of the ferroalloy with respect to the application in engineering.

熔融的液锌对Fe基合金有很强的腐蚀作用，判断Fe基合金的耐熔锌腐蚀性能对选择Fe基合金材料有重要的作用。

Metallographic analysis, analysis for fracture surface of scanning electron microcopy photographs, electron-probe analysis,X-ray powder diffraction analysis, transmission electron microscope analysis have been done for the analysis of microstructurs、fracture apperance、structure,and has carried on the preliminary discussion to the toughening Mechanisms.

采用金相分析、扫描断口分析、能谱分析、x射线粉末衍射结构分析、透射电镜分析对合金化以及引入韧性第二相后的TiFe_2合金的显微组织、断口形貌、微观结构进行了分析，并对合金的韧化机制进行了初步的探讨。

The effects of partial substitution of vanadium and iron for manganese, nonstoichiometry and heat treatment on alloy performances were investigated.The results showed that the alloys activation characteristics, hydrogen storage content, thermodynamic and mechanical characteristics had been improved significantly after manganese was partially substituted by vanadium and iron.

研究结果表明：V、Fe取代合金中的部分Mn元素后，合金的活化性能、吸放氢性能、热力学性能及加工性能均有明显改善。V、Fe取代TiMn_(1.5)中的部分Mn后：在353K、2MPa氢气压力的条件下，只需5分钟合金即开始迅速吸氢。

At higher hydrogen concentrations, they even make the ductilities better than those of uncharged alloys by retarding the grain growth of the Beta phase.

氢化物在含量不高时不会影响合金的塑性，在高H浓度时，由于氢化物妨碍了β晶粒的长大，甚至使合金的塑性高于未充H的合金。

In this paper, enhancing the burning point and improving the corrosion resistance and the mechanical property of magnesium and magnesium alloy with the method of alloying are introduced .

论述了采取合金化的途径，提高镁及其合金的燃点，改善镁及其合金的耐蚀性以及力学性能。

ABSTRACT The microstructure and the relationship between the microstructures and electrochemical properties both for Zr-based AB〓 type Lav...

本文首先对AB〓型锆基Laves相合金和AB〓型混合稀土系合金的微结构特点及微结构对合金的电化学性能的影响进行了全面综述。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。