除气
- degassing;deaeration;outgassing;gettering
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介绍了SiC颗粒增强铸造铝基复合材料的铸锭重熔、除气和铸造过程的特征。
Remelting , degassing and casting processes of SiC particle reinforced aluminum composites were studied and analyzed .
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RH循环真空除气法的新技术
New development in RH degassing process
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通过交替的冻结、抽空和溶化来使溶液除气。
The solution is degassed by alternately freezing , evacuating and thawing .
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FED平板显示器件封接及除气工艺的研究
Investigation on FED Sealing and Gas Exhausting Technique
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搅拌真空除气除气效果比静态真空除气更好,铸件致密度提高至98.95%,而且SiC颗粒分布均匀。
The densification could reach to 98.95 % and SiC particles distributed symmetrically by mixing vacuum degassing which was better than static vacuum degassing .
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研究了旋转喷吹技术在AZ91镁合金熔体除气净化处理上的应用。
The Degassing of AZ91D Mg Alloy by a Spinning Spraying Processing ;
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试验结果表明,由于Li的存在,除气过程中,Li不断向表面迁移,形成Li2O,还原Al2O3,使表面氧化层厚度增加,组成和性质发生变化。
The results indicated that during degassing Li diffused constantly into surface of powders and reacted with Al2O3 and formed Li2O , increasing the thickness of surface oxide film and resulting in the change of its composition .
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目的探讨除气和预氧化对金属烤瓷修复体(PFM)金瓷界面不同元素分布的影响。
Objective To study the effects of degassing and preoxiding on different elements distribution in porcelain-metal interface of porcelain fused to metal ( PFM ) .
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用MD方法研究了气-液相平衡。发现此时除气、液两相外,还存在一个各向异性的界面相。
The phase equilibrium between two phases of liquid and vapor were performed by MD. It is found that except bulk liquid and bulk vapor , there exists an anisotropic interfacial phase .
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本文首先对FED平板显示器的结构、工作原理、制造工艺过程进行论述,重点论述了对FED平板显示器件的低熔点玻璃封接及除气工艺的研究。
In this paper , the structure of FED , operation principle of FED and the manufacturing process were presented at first . Emphasis of this paper was put on the investigation in low melting-point glass sealing technique and gas exhausting technique .
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为了降低合成氨生产成本,采用中空纤维膜分离技术回收吹除气中的H2用于合成氨生产。
With a view to lowering the ammonia production cost , the hollow fiber membrane separation technology is adopted to recover the hydrogen in the purge gas , to be used in ammonia production .
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我们的做法是:激光管不经烘烤,并附加水蒸气,电极材料均经真空除气且充氧氧化,在采用纯银电极、气体组分分别为(1)CO2-N2-He-Xe-H2O;
We have done in the following ways : laser tube is not dried but filled with water vapor , the electrode material must be degassed in vacuum and oxidized by filling oxygen gas .
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在该设备上研究了金属外壳的真空封装工艺如焊接工艺参数、除气工艺、夹具对真空分布的影响等,总结了一套可靠的基于电阻熔焊的MEMS器件级真空封装工艺。
The vacuum packaging process research such as welding parameter optimization , degassing , the fixure influence on the vacuum pressure distribution , etc. has been conducted , and finally established a reliable vacuum metal packaging processes for MEMS devices .
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由于Al膜在除气中有不同程度的破坏,当铝膜平均厚度小于06μm时,多层膜的吸氘速率变化行为类似于ZrV膜;
The Al film of multifilms cracks on desorbing , so the absorption rate varies as Zr-V film when the thickness of Al film is less than 0.6 μ m.
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LZCQ/3离心式真空除气器
Model LZCQ / 3 Centrifugal vacuum degasser
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本文分析了B-A规和银管在除气和工作过程中的放气成份,提出了对银管进行N2-O2,交替高温除气处理。
The composition of released gasses of B-A gauge and Ag tube during degassing and operation are analyzed . The degassing processing of Ag tube at high temperature is suggested by using N2-O2 alternately .
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用该方法制备复合材料,既可节约成本,同时由Al2(SO4)3分解的SO3可以对熔体进行精炼、除气。
Not only production cost is reduced , but also SO 3 decomposed from Al 2 ( SO 4 ) 3 can refine and remove the gas from the molten composites .
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使用薄橡胶毯包胶辊提高湿压榨脱水效率在制备出的纯UC中加入适量添加剂,经过球磨制粉,湿法压制成型及高温除气、烧结等工艺过程制备出硬质合金样品。
Raising Wet Pressing Efficiency by Using Thin Elastic Blankets as Web Support in the Press Nip Many additives were added into the UC-matrix , and the powder was prepared by the hall mill , wet pressing to form , sintering process and so on .
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介绍了SWACO卧式罐结构真空除气器的液面控制系统的结构、工作原理。
This paper presents the structure , working principle of SWACO , the liquid level control system , and the analysis of system failure and the cause of abnormal operation .
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介绍获得合格材料方法:用FDU除气装置净化铝液的过程,并且用减压凝固试样测试密度,从而得到优质硫化轮胎模具。
The thesis also presents the method to gain conformed material : the process to use FDU degassing unit to purify the aluminum melting and the method to test density with vacuum samples and finally to get fine curing tire molds .
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试验发现,氩气的除气效果好于氮气的除气效果,浮游法除气后的最佳静置时间为30min左右,铝熔体的最佳浇注温度为680~685℃。
The experimental results indicate that the degassing effect of Ar is better than the one of N2 , the best holding time after the degassing gases using the blister flotation method is about 30 min , the best pouring temperature of aluminum melt is 680 ~ 685 ℃ .
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在电子束焊接试验的基础上,分析了6061-T6铝合金焊缝气孔产生的倾向和坡口表面焊前清理、焊片除气、焊接参数、预热以及重熔方法之间的关系。
Based on the electron beam welding tests of 6061-T_6 aluminum alloy , the relationship between the generation of pore in welding zone and the cleaning of slope surface before welding , removing gas of welding piece , welding process parameter , preheating and remelting .
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透气砖底吹净化铝熔体的除气效率分析
Analysis of degassing efficiency of porous brick to purify molten aluminum
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试样水中除气用抽气法。
The samples in water are degassed by method of pump-out .
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经过处理和除气的水也被泵输送至同步流量计处。
Treated and deaerated water also is pumped to the synchrometer .
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铸锭底部强制冷却的超声波除气效果
Ultrasonic Degassing Effect With Constrained Cooling at Bottom of Ingot
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探讨几种除气器的除气原理及应用
An Inquiry into the Principle and Application of the Degassers
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除气加热器除氧加热器拆卸喷射器感知器电线和预热塞出口线。
Remove the injector sensor wire and the glow plug hot lead .
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稀土元素在铸铝熔体除气净化过程中的行为
RE Alloy Behavior in Cast Al Alloy Melt During Degassing
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介绍几种冲天炉的消烟除气装置
Recommendation of Apparatuses for Eliminating Smoke and harmful Gases in the Cupola