本文分析了液态金属浸渗静力学和动力学。
Liquid metal infiltration statics and kinetics are analysised.
界面反应的存在提高了润湿性,促进了无压自发浸渗。
The interfacial reactions enhance the wettability and promote the spontaneous infiltration process.
浸渗线全自动生产中,行车的全自动稳定运行是关键。
In automatic production in an immersion production line, the automatic stable running of bridge crane is critical.
浸渗的方法主要有压力铸造、挤压铸造及气压浸渗铸造。
Infiltration includes die casting, intrusion casting, gas infiltration casting and so on.
利用油缸液压和真空负压,成功实现了液态金属的浸渗。
The infiltration process was done successfully on the base of the knowledge of hydraulic and vacuum negative pressure.
实验研究了液态浸渗后直接挤压过程模具与坯料内部的温度变化。
The temperatures at different positions inside the die and the extruded-billet during extrusion directly following liquid infiltration were experimentally investigated.
制造方法有:粉末冶金法、液态浸渗法、压铸法、熔搅铸造法。
There are four main technological methods:powder metallurgy, liquid infiltration, squeeze casting and compocasting.
实验表明,升压速度在很大程度上决定着材料的浸渗和凝固过程。
It is shown that the process of infiltration and solidification of metal-matrix composite is mainly controlled by pressure-regulating velocity.
铸件浸渗技术是目前世界上解决铸件渗漏问题的最有效的方法之一。
For the moment in the world the technology of casting impregnation is one of good methods for solving the leaking of casting.
测定了不同工艺条件下获得的浸渗层深度和浸渗层显微硬度的分布。
The depth and microhardness distribution of alumetizing layer obtained on different technical conditions were measured.
本文对球墨铸铁的热浸渗铝工艺和渗铝球铁的耐热性能进行了研究。
In this paper the hot dipping aluminium technology of ductile cast iron and heat resistance of hot-dipped aluminium ductile cast iron are studied.
浸渗剂有无机系复合硅酸盐系浸渗剂和有机系丙烯酸树脂厌氧胶浸渗剂。
Meanwhile, two sorts of infiltration agents, inorganic compound silicates and organic acrylic resin anaerobic gel can be used.
本文着重研究了液态浸渗法制备纤维增强镁、铝基复合材料的浸渗工艺。
Infiltration process of fiber reinforced magnesium aluminium matrix composites made by liquid infiltration was mainly studied in the paper.
分析了目前的热浸渗铝工艺存在的问题,并提出了今后研究工作的重点。
The main problems existed in the hot-dipped aluminum technique are analyzed, and the future research work is proposed.
介绍了三种主要的浸渗方法和三种浸渗剂的特性以及这项技术的使用效果。
Three chief methods of impregnation and the characteristic of three impregnation agents and their effects are introduced.
研究了热浸渗铝钢扩散层空洞对循环氧化和剥落性能的影响规律及其机理。
The effects of the voids in the diffusion layer on cyclic oxidation and spalling resistance of aluminized steel was investigated.
新工艺为金属基复合材料压力下浸渗半固态模锻成形一体化工艺奠定了研究基础。
It establishes the study foundation for metal matrix composites prepared by infiltration-stamp forging in semi-solid state integral technology.
目前它的制备工艺主要有粉末烧结工艺、熔体浸渗工艺、铝合金高温直接氧化工艺。
At present, its preparing technologies mainly contain powder sintering technology, melt infiltration technology, Aluminum alloy directly oxidizes at high temperature technology.
纤维与金属液的非润湿性是液相浸渗制造纤维增强金属基复合材料的主要障碍之一。
The unwettability between fiber and liquid-metal is one of the main obstacles in the liquid-infiltration of fiber reinforced metal matrix composite.
结果表明:金属流体的浸渗充型随着纤维体积分数的增大,从非均衡浸渗向均衡浸渗变化。
The results show that with the increase of fiber volume fraction, the unhomogeneous infiltration of liquid metal changes into homogeneous one.
本文概要介绍了真空浸渗新工艺的原理、使用原料和工艺流程,给出了真空渗补的原理图。
The basic principle of vacuum impregnation technique, material to be used, technological process are briefly introduced. The illustrative diagram of vacuum impregnation has been given.
结果表明,真空变压力浸渗法具有良好的渗流和凝固条件,避免了气体和夹杂物的裹入等问题;
The results show that infiltration and solidification are effectively promoted by vacuum-adjustable pressure infiltration process, which also avoids the gas and the inclusion binds.
CVI( 化学气相浸渗)反应器内气体的输运对基体的沉积速度与沉积质量有重要的影响。
The effect of fluid flow in the CVI reactors on the deposition velocity and quality is of great importance.
设计了专用浸渗罐,摸索出了合适的浸渗工艺,成功地运用浸渗技术解决了大型薄壁铝铸件的渗漏问题。
By designing a special impregnating tank, this paper has found out the proper impregnating technology for solving leakage problem of large thin-wall aluminium alloy casings.
本文阐述了浸渗技术的浸渗方法、常用的浸渗剂和浸渗工艺,介绍了真空压力浸渗装置的组成和主要结构。
The method of impregnation and penetrating agents and the penetrating process were described in the paper. The composite structure of device that vacuum pressure penetrating were also introduced.
文章从流体静力学和动力学两个方面讨论了浸渗法制造纤维强化金属基复合材料所需的压力,并给出了计算公式。
This paper deals with the necessary pressure for casting fiber-reinforced metal-matrix-composites from two aspects of hydrostatics and hydrodynamics and the formulae of compute are given.
介绍了铸件浸渗技术的应用、真空加压浸渗的工艺过程及操作注意事项,同时还介绍了真空加压浸渗设备主要部件的设计与计算。
Application of casting impregnation technique, vacuum pressure impregnation technological process and operational attentions as well as design and calculation of such equipment have been described.
通过研究发现,浸渗砂轮在刀具刃磨方面是一种非常有效的工具,对于防止刀具表面磨削烧伤和减少车间粉尘污染有其特殊的使用价值。
It found that this kind of wheel has high efficient for sharpening tools. Using this wheel can avoid the tool surface crack due to grinding and reduced the dust in shop.
探讨了热浸扩散渗铝复合渗硼中的硼化物的形成机理及硼的迁移机制。
The mechanism of both forming boride and transferring of boron in the aluminized and then boromized layer were discussed.
探讨了热浸扩散渗铝复合渗硼中的硼化物的形成机理及硼的迁移机制。
The mechanism of both forming boride and transferring of boron in the aluminized and then boromized layer were discussed.
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