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   sintering 在 金属学及金属工艺 分类中 的翻译结果: 查询用时:0.192秒
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sintering
相关语句
  烧结
    Application Research on Selective Laser Sintering
    选择性激光烧结技术应用研究
短句来源
    Synthesis of the High Strength Aluminum Alloys by Spark Plasma Sintering and Their Structures and Properties
    放电等离子烧结高强度铝合金的组织与性能
短句来源
    AUTOMATIC MASTER FINE-TUNING CONTROL SYSTEM OF MATERIAL MATTRESS THICKNESS FOR SINTERING MACHINE
    烧结机料层厚度主微调自动控制系统
短句来源
    Metallographic Analysis of Antifriction Deposits Welded on Breaking Teeth of Sintering Machine
    烧结机破碎齿耐磨堆焊层的金相分析
短句来源
    Baking & Sintering Lining of 0.5t Coreless Induction Furnaee
    0.5吨铸铁用无芯工频感应电炉炉衬烘烤与烧结
短句来源
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  “sintering”译为未确定词的双语例句
    INFLUENCE OF VACUUM FUSING SINTERING PARAMETERS ON THE MICROSTRUCTURES AND PROPERTIES OF Co BASE ALLOY-TUNGSTEN CARBIDE COMPOSITE COATINGS
    真空熔烧工艺参数对Co基合金—碳化钨复合涂层组织结构和性能的影响
短句来源
    Complex Hatnmer Sheets by Zijin Vacuum Sintering
    ZIJIN真空熔结复合锤片
短句来源
    Application for S_2 Sond in Sintering Casting
    S_2砂在烧结台车本体上的应用
短句来源
    FRACTURE MECHANICS ANALYSIS OF THERMAL STRAIN FATIGUE LIFE FOR THE SINTERING MACHINE PALLET
    FRACTURE MECHANICS ANALYSIS OF THERMAL STRAINFATIGUE LIFE FOR THE SINTERING MACHINE PALLET
短句来源
    According to the elemental radio of Mg, Ni and Nd, Mg2-xNdxNi(where x =0.05,0.1,0.2,0.3) ternary alloys were synthesized by ball milling the mixture powder of Mg, Ni, Nd and sintering under the protection of argon.
    利用两步法制备了一系列添加Nd的三元Mg2-xNdxNi合金。 XRD分析证实,当x=0.05,0.1时,制得的三元Mg2-xNdxNi合金均为Mg2Ni单相合金;
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  sintering
Steam produced during the decomposition process accelerated the sintering of MgO, and MgO with surface area as high as 412 m2 · g-1 was obtained through calcining its precursor in flowing dry nitrogen at 520°C for 4 h.
      
The fabrication procedure involved a double-sintering process in a rich-Mg environment.
      
Samples with the equally high density and matching superconducting properties were obtained as well by a triple sintering process of the MgB2 powder directly from Alfa Aesar.
      
The specific surface areas are different before sintering, and have a slight difference after sintering.
      
Besides, the impurity phase, tetracalcium phosphate, appeared during ultrasonic atomizing procedure, and can be completely removed after sintering at 650°C for 1 h.
      
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In several plants,a few NH4C1 are added to Al2O3 (as a packing material) during the activated sintering process of sintered carbides in order to lower the sintering temperature from 1450℃ to about 1250℃, whereas corundum tubes of sintering furnace deteriorate abnormally, A thermodynamical analysis has been given in this paper to exlpain the deterioration mechanism. It is shown that the cause of the abnormal deterioration of corudum tubes is that the CaO impurity, as a constituent included in...

In several plants,a few NH4C1 are added to Al2O3 (as a packing material) during the activated sintering process of sintered carbides in order to lower the sintering temperature from 1450℃ to about 1250℃, whereas corundum tubes of sintering furnace deteriorate abnormally, A thermodynamical analysis has been given in this paper to exlpain the deterioration mechanism. It is shown that the cause of the abnormal deterioration of corudum tubes is that the CaO impurity, as a constituent included in tube material, reacts chemically with HCl gas decomposed from NH4Cl at high temperature. The conclusion has been verified by experiments and it will not be affected by the existent forms of different impurities.

本文从热力学计算及实验结果,探讨了活化烧结硬质合金时烧结炉刚玉炉管非正常损坏的机理。对制订特殊烧结工艺,有一定参考价值。

In this paper, the principle of choosing materials, technology of drawing and wearing for porous mesh material of transpiration air cooled blade were investigated. The tensile strength and property of oxidation resistance of these materialswere studied as well. We have determined the effects of the reduction of working on thepermeability and physical properties of porous mesh material, and studied the effects oftechnology of clearing and sintering on its tensils strength, grain size and property of diffusion...

In this paper, the principle of choosing materials, technology of drawing and wearing for porous mesh material of transpiration air cooled blade were investigated. The tensile strength and property of oxidation resistance of these materialswere studied as well. We have determined the effects of the reduction of working on thepermeability and physical properties of porous mesh material, and studied the effects oftechnology of clearing and sintering on its tensils strength, grain size and property of diffusion adherence also. The specification of sintered material has been established. Transpiration air cooled blade which is made from porous mesh material has been tested on cascade rig. Coefficient of relative cooled effect (1-ψ) is up to 0.4-0.6 which is comparable with advanced one abroad.

本文研究了发散气冷叶片丝网蒙皮用材料及其拉丝、编网工艺的选取原则,以及多孔蒙皮材料本身的抗张强度和抗氧化性能。确定了压下量对多孔蒙皮材料透气性能和各种物理性能的影响。研究了清洗和烧结工艺对多孔蒙皮材料抗张强度、晶粒度和扩散粘合性能的影响。初步建立了烧结后多孔蒙皮材料的质量检验标准。用该材料做成叶片进行叶栅试验指出,相对冷效系数(1—φ)可达0.4~0.6范围,这一结果接近国外同类试验水平。

The model of metal Half-Ball proposed in this paper was aimed to study the material transport mechanism of solid metal powders during HP (hot pressing) and HIP (hot isostatic pressing). In this investigation theory of creep deformation mechanism, the so-called Nabarro-Herring diffusion mechanism and plastic deformation mechanism by dislocation movement, were considered and applied to calculate the relation between absolute shrinkage(h+h0)and time t at constant temperature and under constant pressure: The relation...

The model of metal Half-Ball proposed in this paper was aimed to study the material transport mechanism of solid metal powders during HP (hot pressing) and HIP (hot isostatic pressing). In this investigation theory of creep deformation mechanism, the so-called Nabarro-Herring diffusion mechanism and plastic deformation mechanism by dislocation movement, were considered and applied to calculate the relation between absolute shrinkage(h+h0)and time t at constant temperature and under constant pressure: The relation was given as; (h+h0)n =At. Where A is constant, the exponent n is applied to determine the material transport mechanism of sintering neck(n=1 for diffusion, n=4.5 for plastic deformation by dislocation climb). The sintering experiments of Cu, Ni, Ag Half Ball under pressure supported that this method for determining material transport mechanism is rational and simple to serve. It is shown that at T=700℃, σ≥1.2×108 dyn/cm2 or T=800℃, σ≥7×107 dyn/cm2 the material transport mechanism may be mainly considered as plastic deformation controlled by dislocation climp.

本文为研究热压和热等静压过程中烧结颈部的物质迁移机构,建立了金属半球对模型。应用Nabarro-Herring,Weertman等人对蠕变变形机构研究的成果,从理论上导出了恒温恒压下半球对的绝对收缩量(h+h_0)随时间t变化关系:(h+h_0)~n=At。并用式中指数n的取值来判断颈部物质迁移机构。(当n=1时为扩散,n=4.5为位错攀移)。Cu、Ni、Ag半球的实验表明,该方法合理且简便易行。并得出Cu在700℃、,在800℃、开始转换成以位错攀移控制的塑性变形机构为主要物质迁移机构。

 
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