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alloy
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  合金
    Study on the Structure,Magnetic and Magneto-optical Properties of PtCoNi Alloy Films
    PtCoNi合金薄膜的结构、磁性和磁光特性研究
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    INVESTIGATION OF NiAL ALLOY AND ITS COMPOSITES BY MECHANICAL ALLOYING
    NiAl合金及其复合材料的机械合金化研究
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    Preparation and Properties of Polymeric Composites Filled with Low-Melting-Point Alloy
    低熔点合金聚合物基复合材料的制备与性能研究
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    The Study of Constrained Phase Transformation of TiNi Shape Memory Alloy in Smart Composite
    机敏复合材料中TiNi形状记忆合金约束态相变研究
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    Effect of Alloying, Heat Treatment and Magnetization Treatment on Microstructure and Electrochemical Properties of AB_5 Type Hydrogen Storage Electrode Alloy
    合金化、热处理及磁化处理对AB_5型贮氢电极合金微结构与电化学性能的影响
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  合金的
    Study on Preparation of Dynamical Type Hydrogen Storage Alloy and Assessment of Thermal Electrochemistry
    动力型贮氢合金的制备研究及其热电化学评价
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    Research on the Superplasticity of Tial-Based Alloy
    TiAl基合金的组织超塑性研究
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    Studies on the Relationship of Mechanical Properties and Micro-morphology and Sub-cluster Parameters of High Toughened and Strengthened PPO/PA6 Alloy
    高强高韧PPO/PA6合金的力学性能—亚微相态—群子参数之间关系的研究
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    STUDY OF Ni_(75)MO_(2f)Fe_4 ALLOY
    Ni_(75)Mo_(21)Fe_4合金的研究
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    The Domain Structure of Amorphous Alloy
    非晶态合金的磁畴结构
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    Study on the Process,Devices and Principle of Multi-Layer Spray Co-Deposition Technology for the Preparation of Large-Sized SiC Particulate-Reinforced Aluminum Alloy Composites
    多层喷射共沉积制备大尺寸SiC颗粒增强铝基复合材料的工艺、设备及过程原理研究
短句来源
    Design and Preparation of Fe-Ni Soft Magnetic Alloy Absorbing Materials
    Fe-Ni软磁合金吸波材料的设计与制备
短句来源
    Study on Preparation, Simulation and Grain Refinement Mechanism of Bulk Ultrafine-grained 2A12 Al Alloy Pressed by Equal-channel Angular Pressing
    2A12铝块体超细晶材料的制备、模拟及细化机制的研究
短句来源
    PHASE IN Fe-C, Fe-C-Sb ALLOY SYSTEMS OBTAINED BY SPLAT QUENCHING
    用液态急冷法在Fe-C,Fe-C—Sb系中获得ε相
短句来源
    AN Investigation and Application on Machinable Magneto Alloy Fe-24Cr-15Co-2Mo-0.5Ti
    Fe-24Cr-15Co-2Mo-0.5Ti可加工永磁合金的研究及应用分析
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  alloy
X-ray diffraction and selected area electron diffraction analysis showed that Pt-Sn-B/CNTs had an amorphous alloy structure that can improve catalytic performance.
      
Preparation, structure and properties of porous polyimide films via PAA/PU alloy
      
A quantitative index martensite fraction was used to describe the phase transformation degree of shape memory alloy (SMA).
      
The electrostatic-alloy bonding technique used in MEMS
      
Electrostatic-alloy bonding of silicon wafer with glass deposited by Au to form Si/Au-glass water, and bonding of Si/Au-glass with silicon wafer were researched during fabrication of pressure sensors.
      
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A β superlattice structure, with the ideal stoichiometrical formula AgAuZn2 and isoinorphous with that of Heusler alloys, has been found existing over a quite wide range of composition. It is, in fact, a superstructure of the β ordered structure. Its formation is accompanied by a sudden lattice contraction. The effect of gradual substitution of Ag by An on the atomic distribution has been stndied systematically. It is shown that the Au atoms introduced simply replace the Ag atoms more or less in a random...

A β superlattice structure, with the ideal stoichiometrical formula AgAuZn2 and isoinorphous with that of Heusler alloys, has been found existing over a quite wide range of composition. It is, in fact, a superstructure of the β ordered structure. Its formation is accompanied by a sudden lattice contraction. The effect of gradual substitution of Ag by An on the atomic distribution has been stndied systematically. It is shown that the Au atoms introduced simply replace the Ag atoms more or less in a random manner, the positions of Zn atoms not being affected. Tho decrease of the degree of order as deviating from the stoichiometrical formula is not merely due to the deviation from the ideal chemical composition; some disordering among the Ag and Au atoms also occurs. High temperature investigation of Ag-rieh alloys shows that the temperature of β'-β transformation increases with Au content and that the β-phase structure exists only at high temperatures. The presence of even a minute amount of Au stablizes the β' structure obtained by quenching very remarkably. On the other hand, the β' structure of Au-rich alloys persists from room temperature probably to the melting point.

合金AgAuZn_2具有一个与郝斯勒合金同晶型结构的β″相,这个β″相存在于一个相当广阔的成分范围里。事实上,β″相就是β′有序结构的超结构。伴随着,β″结构的形成晶格发生突然的收缩。关于Ag-Au替换对于原子分布的影响,也作了系统的观察。在Ag-Au替换过程中,Au和Ag的替换或多或少是无规律性的,但Zn原子则仍保持它们的适宜位置,而不受到影响。当成分偏离于理想化学式AgAuZn_2时,有序度的减小不仅仅是由于化学成分的乖异,而且Ag-An替换也产生了一些无序的排列。高温观察的结果指出:Ag多合金的β′-β转变温度随着Au含量的增加而升高,而β相只能在高温度存在。少量的Au大大地提高了由淬炼而得到的β′相的稳定度。但是Au多的合金无论是在室温和高温都是具有β′结构的。

The phase diagram of the silver-rich alloys of the ternary system of Silver-Tin-Aluminium, containing up to 30 wt% tin and up to 30wt% aluminium, has been studied by X-ray and microscopic methods.

银—锡—铅三元系富银合金固相平衡图已经用X-射线及金相显微镜两种方法测定了出来。并且每一相区的相边介都经过用X-射线方法作了精密确定。合金含量最高到30wt%锡及30wt%铝。 室温相截面由四个单相(即α,β,μ及γ)相区,五个变相(即α+β,α+μ,β+γ,β+μ及β+δ)相区及两个三相(即α+β+μ及β+γ+δ)相区所构成。所有四个单相与二元系Ag—Sn及Ag—Al所存在的单相相同,没有新的单相出现。

A detailed thermomagnetic analysis was carried out on a number of alloys along a tie-line in the two-phase (β+β') region of the Fe-Ni-Al ternary system. The supersaturated solid solution, obtained by quenching an alloy close to the composition Fe2NiAl, broke up very fast at relatively high temperatures ( ~ 850℃), precipitation being completed in a little more than a minute. The β' phase formed at 850℃ still contained about 35 at. % iron, with a Curie point near 400℃. When this alloy, after...

A detailed thermomagnetic analysis was carried out on a number of alloys along a tie-line in the two-phase (β+β') region of the Fe-Ni-Al ternary system. The supersaturated solid solution, obtained by quenching an alloy close to the composition Fe2NiAl, broke up very fast at relatively high temperatures ( ~ 850℃), precipitation being completed in a little more than a minute. The β' phase formed at 850℃ still contained about 35 at. % iron, with a Curie point near 400℃. When this alloy, after going through such a short tempering at 850℃ followed by quenching, was heated up to 600-700℃ again, the β' phase formed during the first tempering continued to decompose rapidly, losing enough iron to become nonmagnetic in not much more than ten minutes. This caused the room-temperature coercive force of the alloy to rise to about 500 Oe. Such a phenomenon is in agreement with БгЛнвиЦ'S. г. suggestion of "post-precipitation". The magnetic measurements showed, moreover, that the post-precipitatioa of the β' phase was "reversible", that is, when the alloy was brought up to 850℃ again after quenching from the second tempering at 600-700℃, theβ' phase could recover its equilibrium composition for 850℃ in a few minutes. Decomposition of the supersaturated solid solution FejNiAl at relatively low temperatures (below 700℃) was quite slow, and, furthermore, there was considerable evidence that the process was "non-uniform". On the basis of the above findings, the fact that high coercive force in the alloy FeaNiAl cannot be obtained by quenching from above the solution temperature plus tempering at relatively low temperatures (600-700℃) is interpreted in the light of the single-domain particle theory.

用热磁分析方法较仔细地观测了Fe-Ni-Al三元系合金沿β+β′两相区内某一结线上的几个不同成分的合金样品。淬火所得的成分接近Fe_2NiAl的过饱和固溶体在较高温度(~850℃)分解甚快,在一分钟内脱溶基本上完成。在850℃分出的β′相还含铁约35at.%,其居里点在400℃附近。在850℃经短时间回火继以水淬的合金,在600—700℃再经适当的回火,则首次回火所生成的β′相继续迅速分解,在不超过十分钟内损失大量的铁而变成非铁磁性的;其在室温的H_c可增到500奥斯特。这和Б.Г.Лившнц“所提出的继续脱溶”的假设相符。磁性观测的结果证明:β′相的继续脱溶是“可逆的”,就是说,把曾在600—700℃回火的合金重热至850℃时β′相能在几分钟内恢复850℃的平衡成分。Fe_2NiAl过饱和固溶体在较低温度(70O℃以下)分解极慢,并且其过程是明显地“不均匀”的。因此,这种合金不能通过高温淬火继以较低温度(600—700℃)回火的处理来获得高H_c的事实可以用单畴粒子的理论加以解释。

 
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