合金的

The results show that amount of inclusion was decreased under vacuum condition. The absorptivity of Nd upon adding Mg-Nd intermediate allo...

结果表明：真空熔炼降低了夹杂物含量，使合金显现出本身的特性；添加Mg-Nd中间合金后生成新相Al2Nd和Mg12Nd细化了晶粒，使合金的力学性能得到较大改善。

The tube alloy contains 85% copper which means that the alloy is less sensitive to stress corrosion cracking and dezincification than conventional brass alloys.

管子合金含有85%的铜，意味着合金的抗应力腐蚀裂缝和脱锌比传统的黄铜合金更强。

Meanwhile, the released H2 can make up the flotage loss of submarines and can be used for combustion battery of dynamic systems.

本文研究了应用机械合金化制备不同成分的铁-镁合金，并在不同的盐溶液条件下，对合金的电偶腐蚀行为进行了研究。

Effect of longitudinal magnetic field on microstructure and properties of MIG weld joint of mild steel

采用横向变拘束试验，研究铝锂合金和2024合金的焊接热裂纹敏感性；并对焊缝组织进行分析，探讨它对两种合金焊接开裂倾向的影响。

In order to improve the hydrogen storage properties of Ti2 alloys, over stoichiometry of A side and partial substitution of Mn by transition metals were adopted, and the hydrogen storage properties of Ti2(x=1.0, 1.1; M=V, Fe, Ni, Cu) alloys were investigated.

为改善Ti2AB2型合金的储氢性能，采用A侧过化学计量和过渡金属部分替代Mn进行多元合金化，系统研究了Ti2(x=1.0， 1.1； M=V、Fe、Ni、Cu)合金的储氢性能。

In this article,we conduct the research to the brittle improvement of TiFe_2 Laves phase intermetallics through alloying as well as the introduction of the toughness second phase method.

本文通过加入合金元素以及形成双相合金的方法对TiFe_2合金脆性的改善进行了研究。

To strengthen the properties of Ni-W alloy, dimethylamine borane was added to an alloy Ni-W electrolyte solution and a ternary Ni-W-B alloy was electrodeposited.

为提高Ni-W合金的性能，在加入二甲基胺硼烷的Ni-W合金电解液中电沉积获得Ni-W-B三元合金镀层。

The rapidly solidified Al98-3xCu2xFexNi1Ce0.5Zr0.5 alloys were fabricated by means of spray forming technique. The morphologies and hardnesses of these alloys were studied.

摘 要：制备了多种Al98-3xCu2xFexNi1Ce0.5Zr0.5合金喷射成形毛坯，同时研究了该类合金的快速凝固组织和硬度随合金组分变化的规律。

The results show that in the applied load range of 10250 N, the mass loss rate of coated AZ91D alloy can be identified to three stages, which are related with whether the coating is worn out. Abrasion is the main mechanism for the coated alloy. The friction coefficient of the coated alloy during sliding wear appears oscillation before it reaches a constant value, which is close to the μ value of the matrix alloy. The mass loss rate of coated alloy increases slightly with increasing applied load when the applied load is more than 150 N because of high plastic deformation accommodation on the matrix alloy surface.

结果表明：根据载荷大小，涂层处理后AZ91D镁合金的磨损行为明显分为3个阶段，这些阶段同陶瓷层是否磨穿密切相关；微弧氧化涂层AZ91D镁合金的磨损机理主要是磨粒磨损；受表面状况的影响，陶瓷涂层的摩擦因数在 0.20~0.45 间波动；在较高载荷下，涂层被磨穿后，涂层的摩擦因数趋于基体合金的摩擦因数，涂层合金的表面变形能力提高，该阶段质量磨损速率随载荷增加，趋势变得缓慢。

For the aged aluminum alloys which generally contain disc/plate-shaped or rod/needle-shaped precipitates, a model has been established, from the viewpoints of thermodynamics, kinetics and strengthening theory, to relate quantitatively the yield strength to the size, volume fraction and aspect ratio of precipitates which all were analytical associated with the chemical compositions of alloys, aging temperature and aging time. This model has been experimentally proved to well predict the variation of yield strength with the evolution of disc/plate-shaped or rod/needle-shaped precipitates for present Al-4. 62wt% Cu-0.65wt% Mg alloy aged at 513K and Al-1. 12wt% Mg0.57wt% Si alloy aged at 463K, respectively, and the yield strengths simulated by this model were also found to be in well agreement with previously measured values for a series of aged Al-Cu binary alloys, AA6061 and Al-Zn-Mg alloys.

以析出热力学、长大动力学及强化理论为基础，研究了含有盘/片状、棒/针状时效析出强化相铝合金在时效过程中时效析出相尺寸、体积分数和长径比等参数的演变及其对合金时效强化效果的影响，给出了合金成分、时效变量与微观组织参数之间非线性的解析表达关系式，进而从微观结构—宏观性能相结合的角度出发建立起了具有盘/片状、棒/针状时效析出相铝合金的时效工艺—屈服强度量化模型，并将该模型应用于不同温度、连续不同时间时效下Al-Cu二元系列合金、6061铝合金和Al-Zn-Mg系列合金的屈服强度预测，得到了与前人实测值吻合良好的结果。

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。