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   appropriate 在 金属学及金属工艺 分类中 的翻译结果: 查询用时:0.012秒
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appropriate
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  “appropriate”译为未确定词的双语例句
    Weld Defect on the Surface of Thin Wall Welded Tube of OCr19Ni9 and 1Cr18Ni9 Stainless Steel and the Appropriate Countermeasure
    0Cr19Ni9 1Cr18Ni9不锈钢薄壁焊管缺陷及对策
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    However,an appropriate substitution of Cu by Ni(5%,mole fraction) in Mg65Cu25Tb10 significantly improves the mechanical properties.
    压缩实验结果表明:当Ni含量增加到5%时可以明显提高Mg-Cu-Tb-Ni非晶合金的断裂强度。
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    The appropriate die material for producing aluminum was obtained,whose composition(mass fraction) was 2.7% C,5.0% Si,0.7% Cr,0.6% Cu,0.5% Al.
    最终得到制备铸铝用模具的优良材料,其配比为(质量分数):2.7%C,5.0%Si,0.7%Cr,0.6%Cu,0.5%Al。
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    Though the neutral salt mist experiment,the humidity and high temperature experiment for several hard coat antirust oil,such as Tecyt1506EH,DFR-F46,FX-3,the appropriate material of sea transportation rust prevention for the heavy finishing workpiece with the effective antirust coating and the design of inner packing.
    通过对Tecyt1506EH、DFR-F46、FX-3几种硬膜防锈油脂进行中性盐雾和湿热实验,筛选出了适合大型精加工件海运防锈的材料,同时进行了有效的防锈涂层和内包装设计。
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    The hot deformation behavior of Ti-45Al-5Nb-0.3Y(at%) was studied on Gleeble 1500 thermo-simulation machine at different temperatures and different strain rates in order to determine the appropriate processing parameters.
    采用Gleeble-1500热力模拟机对Ti-45Al-5Nb-0.3Y(at%)合金在不同温度和变形速率下的流变应力进行了实验研究,并对此材料进行了包套锻造,分析了变形组织及压缩性能。
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  appropriate
These results are quite remarkable since these algebras do not admit appropriate sl2-triples.
      
When one expands a Schur function in terms of the irreducible characters of the symplectic (or orthogonal) group, the coefficient of the trivial character is 0 unless the indexing partition has an appropriate form.
      
It is shown that this is possible when the window g ε L2(?) generating the Weyl-Heisenberg frame satisfies an appropriate regularity condition at the integers.
      
In particular, the results in this article show that the oscillations of a function at large scale are comparable to the oscillations of its samples on an appropriate discrete set of points.
      
Under the appropriate definition of sampling density D?, a function f that belongs to a shift invariant space can be reconstructed in a stable way from its non-uniform samples only if D?≥1.
      
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In order to study whether the extrapolation method of creep test by an elevation of temperature through activation energy described in a previous paper is applicable whenphase transformations occur during creep,creep tests were made on four different alloys(three heat-resisting steels and one aluminium alloy)at different temperatures with cons-tant stress.Before the creep tests,specimens were so treated that appropriate phasetransformations were expected to occur under the temperatures of tests.The experi-mental...

In order to study whether the extrapolation method of creep test by an elevation of temperature through activation energy described in a previous paper is applicable whenphase transformations occur during creep,creep tests were made on four different alloys(three heat-resisting steels and one aluminium alloy)at different temperatures with cons-tant stress.Before the creep tests,specimens were so treated that appropriate phasetransformations were expected to occur under the temperatures of tests.The experi-mental results showed that,in the temperature range investigated,there existed a cons-tant“activation energy of creep”for two alloys,but not for the other two.When phasetransformations mentioned above were made negligible,a constant activation energy ofcreep was always obtained in the same temperature range for all alloys.This indicates that,the so called“activation energy of creep”depends not only uponthe composition of material,but also upon the microstructure.A preliminary analysis shows tha,when phase transformations occur during creep,the applicability of this extrapolation method depends upon the type of phase trans-formation taken place.

研究了在蠕变过程中有相变发生的情况下,应用通过蠕变激活能提高温度、缩短蠕变试验时间的方法的可能性。为此,用三种耐热钢和一种铝合金分别在同一应力不同温度下,进行了一系列的蠕变试验.在蠕变试验前,对试样进行了适当的热处理,使得在蠕变试验温度下有预期的相变发生.实验结果指出,在试验温度范围内,其中两种试样存在恒定的”蠕变激活能”,另两种试样则不存在恒定的“蠕变激活能”.而在有意使得上述相变不发生的情况下,这四种试样在同样的试验温度范围内,都存在恒定的蠕变激活能.这说明“蠕变激活能”不仅决定于材料的成份,而且决定于组织结构.初步分析指出,在蠕变过程中有相变发生的情况下,这种外推方法能否适用决定于相变的类型。

The relationship between the chemical compositions,zinc equivalents,castmicrostructures,ordinary mechanical properties and the fracture toughness ofseveral high-strength brasses for marine propellers was studied,at the same timethe relationship between various cast microstructure and their susceptibility tostress corrosion cracking(SCC)was also compared.The β phase obtained by high zinc equivalent gives brass higher strength,but lower fracture toughness and higher susceptibility to SCC.The α+β phasebrass has...

The relationship between the chemical compositions,zinc equivalents,castmicrostructures,ordinary mechanical properties and the fracture toughness ofseveral high-strength brasses for marine propellers was studied,at the same timethe relationship between various cast microstructure and their susceptibility tostress corrosion cracking(SCC)was also compared.The β phase obtained by high zinc equivalent gives brass higher strength,but lower fracture toughness and higher susceptibility to SCC.The α+β phasebrass has higher fracture toughness and lower SCC tendency in compare with thebrass with single β phase.Therefore an appropriate increase in α phase contentcan increase the plasticity of high-strength brass and so that increase its fracturetoughness and decrease SCC tendency.From the view of fracture mechanics itmust pay enough attention to the plasticity for propeller materials,not only tothe higher strength.

本文针对船用螺旋桨用的铜合金材料,对比研究了几种常用的高强度黄铜的化学成分、锌当量、铸态组织、常规力学性能、断裂韧性和裂纹扩展速率之间的内在联系,分析对比了几种铜合金铸态组织的海水腐蚀倾向以及应力腐蚀开裂倾向。

The author made a series of experiments on several hypo-eutectic and eutectic Al—Si alloys by the addition of Sb.On the basis of experimental results an appropriate method of Sb—treatment is proposed, and its field of applica.ion is suggested. The cooling curves of some Al—Si alloys treated with different elements (viz. Na and Sb) are obtained. According to the ckaracteristics of these curves it is possible to estimate the range of composition and the degree of adulteration of the molten metal. The author...

The author made a series of experiments on several hypo-eutectic and eutectic Al—Si alloys by the addition of Sb.On the basis of experimental results an appropriate method of Sb—treatment is proposed, and its field of applica.ion is suggested. The cooling curves of some Al—Si alloys treated with different elements (viz. Na and Sb) are obtained. According to the ckaracteristics of these curves it is possible to estimate the range of composition and the degree of adulteration of the molten metal. The author also presents his ideas on the mechanism of Sb—treatment.

作者对几种亚共晶和共晶铝硅合金的加锑变质处理进行了较系统的试验,报导了加锑变质处理的优点和工艺方法,提出了它的适用范围;并用热分析法测得铝硅合金在采用不同变质方法(钠和锑)时的凝固曲线,指出了它们的特征,可据此判断合金融液的成分范围和变质程度;并对加锑变质的机理提出了初步的看法。

 
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