The results show that mutual diffusion of elements occurs between the coating and the substrate indicating the metallurgic bonding formed in the process of induced heating. 结果表明,涂层和基体之间发生了元素的互扩散,说明其在感应加热过程中已形成了冶金结合。
Nowadays, digital electronic appliances have been developing rapidly, their mutual diffusion and combination yielded a new fantastic product: the handset camera. 在数字化电子产品迅速发展的今天,其相互渗透、融合又产生了一项新的、奇妙的产品:照相手机。
Effect of Heat Treatment on Mutual Diffusion of U-Mo Alloy with Nb 热处理对U-Mo/Nb互扩散行为的影响
This is closely related with self diffusion and mutual diffusion of its components during sintering. 合金性能的变化与烧结过程中组元的自扩散和互扩散密切相关。
The result of mutual diffusion is increase of binding strength between two phases. 扩散的结果强化了两相的结合。
The mutual diffusion and abnormal resistivity behaviour in annealed a-ge/ pb layer 退火a-Ge/Pb叠层膜的扩散机制与电阻率的反常行为
Due to the higher methanol mutual diffusion coefficient and long price of Nafion, Nation hadn't proceded merchant production but Nation was used comprehensively in proton exchange membrane fuel cell. Nafion膜在质子交换膜燃料电池中有广泛的应用,但由于Nafion膜的阻醇性能差及价格昂贵等因素,Nafion膜作为质子交换膜并没有商业化生产。
The mutual diffusion coefficients of carbon dioxide mixtures was simulated under different compositions at 1132~ 1810 ℃, by using the self-diffusion coefficients obtained from literature. 采用文献自扩散系数值,并用不同状态方程以计算化学势与组分关系,模拟1132~1810℃之间不同组成二氧化碳气体混合物的互扩散系数,并与实验值做了比较。
In order to prevent reaction and mutual diffusion on PLZT-semiconductor interface, a new design of multilayer ferroelectric thin film is presented based on PLZT and BIT's ferroelectric characteristics. 为了有效阻止锆钛酸铅镧(PLZT)与半导体界面发生反应和互扩散,根据锆钛酸铅镧和钛酸铋(BIT)各自的铁电性能,提出了一种新的设计思想&多层铁电薄膜。
The Prediction Model of Mutual Diffusion Coefficients for Binary Liquid Alloys 二元液态合金互扩散系数的预测模型
The proximity effect and mutual diffusion in a-ge/ ag layers a-Ge/Ag迭层中的临近效应和互扩散
Biasing an electric field, which is perpendicular to the surface of the a-Si films, will accelerate the mutual diffusion of Al atoms and Si atoms in the interface during the aluminum-induced crystallization process and enhance the crystallization of the a-Si films obviously. 在此基础上,通过在退火过程中加入电场加速了界面处硅、铝原子间的互扩散,实现了非晶硅薄膜的快速低温晶化。
The results show that the mutual diffusion occurs and solid solution is formed without brittle intermetallic compound ( IMC) at the interface, which makes the composite material to possess better bonding strength. 结果表明:在界面区发生了互扩散,形成了Fe、Cu固溶体,无脆性的金属间化合物产生,这使得该复合材料具有较好的微观结合力。
Mutual diffusion of a-Si/ Ti layers studied at 180C by using XPS analysis has indicated that the atomic concentration of Ti and that of Si is almost equal and the prod-uct obtained is TiSi. 本文研究了a-Si/Ti叠层膜在180℃温度下的互扩散,利用XPS分析发现Ti、Si原子具有相等的原子浓度,生成物为TiSi;
Mutual Diffusion Coefficient Model Based on Local Composition Concept 局部组成型的互扩散系数模型
A good coherence between steel and reinforced particles was achieved through mutual diffusion of steel liquid and reinforced particle. The wideness of surface composites layer is 4 mm with high hardness and its gradient distribution. 铸造过程中热爆形成的表层增强颗粒与钢发生相互扩散,实现了较好的融合,复合层的厚度达4mm,硬度得到提高,并呈梯度分布。
Molecular dynamics simulations were carried out for mixtures of Lennard-Jones fluids. Self-diffusion coefficients and mutual diffusion coefficients were obtained for Ar and Ar/ Kr mixture. 采用分子动力学(MD)模拟的方法,计算了模型流体氩及氩/氪溶液的自扩散系数和互扩散系数。
Molecular dynamics simulations have been used to determine the radial distribution functions, the self diffusion coefficients D 1, D 2 and the mutual diffusion coefficient D 12 of model solutions. 通过对模型溶液的分子动力学模拟,确定了这些溶液的径向分布函数,自扩散系数D1、D2和互扩散系数D12。
Energy spectrum analysis shows that different degrees of element mutual diffusion occurred in the interface. 对连接体材料进行能谱分析可知,在接头的界面处均发生不同程度的元素扩散。
In this block copolymer, PS blocks have a remarkable compatibility with matrix, and are able to bring about high degree mutual diffusion and tangles with matrix molecular chain, therefore forms strong interface bonding with matrix. 该嵌段共聚物中的嵌段PS与基体相容性较好,可与基体分子链形成程度较高的相互扩散及缠结与基体间形成牢固的界面结合。
Blog is a platform for information transfer based on RSS. It is a kind of mutual intermediary for author and reader with the style of the daily record. It is a new mutual mode for information diffusion. Blog是一种基于RSS技术的信息交互平台,它是一种作者与读者以日志风格进行交互的中介,是一种崭新的信息传播和交互方式。
The transitional layer formed by mutual diffusion on the interface and mechanical interlinkage combine coating with metal material firmly. 涂层与基体材料在界面处相互扩散形成过渡层以及宏观上的机械联锁使涂层与基体在界面处牢固结合。
New models for self-diffusion and mutual diffusion were proposed based on the microscopic mechanism and used to predict the diffusion of different substances. 本论文在研究扩散微观机理的基础上分别提出了计算自扩散系数、互扩散系数的模型,并应用于具体物系。
Elements mutual diffusion of Mg and Cu is not obvious; the diffusion layer is thin, which belongs to the solid phase diffusion. 在铜包覆镁合金挤压过程中,Mg、Cu元素的互扩散不明显,扩散层较薄,属于固相扩散。
Not only Fe and Al could diffuse into enamel layer, but also enamel elements could diffuse into metal layer and there was mutual diffusion between Fe and Al. 不仅铁、铝元素可以向瓷釉层扩散,也存在着瓷釉元素向金属层的扩散,以及金属元素Fe、Al之间的相互扩散。
Sn and Zn are nontoxic, and also have low melting point. Because of the mutual diffusion and solid solution between Mg and Zn, the new alloy or compound is produced. 金属Sn、Zn无毒,且熔点较低,而Zn与Mg之间能够相互扩散和固溶,生成新的合金或化合物。
However, the present problems, including low deposition rate and Cu-Sn mutual diffusion, limit its application. 但是目前的化学镀锡工艺仍然存在镀层较薄,铜锡互扩散等问题,限制了其应用的范围。