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strength
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  强度
    CORROSION FATIGUE MECHANISM OF HIGH STRENGTH ALUMINUM ALLOY AND FULL-LIFE ENGINEERING MODEL FOR CORROSION FATIGUE
    高强度铝合金腐蚀疲劳机理与腐蚀疲劳全寿命工程模型
短句来源
    The Investigation of Solid-State Phase Transformation of High Strength A1-Si-Cu-Mg Cast Alloy
    高强度铸造A1-Si-Cu-Mg合金固态相变研究
短句来源
    Study on the Strength Analysis and Design of Flat Receptacle
    扁挤压筒强度分析与设计方法研究
短句来源
    Numerical Simulation on Laying Process and Strength Analysis of Metal Wire Rope
    钢丝绳捻制成形数值模拟与制品力学强度分析
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    Study on Microcosmic Mechanism of Adiabatic Shear Behavior in Orthogonal Cutting of High Strength Steel
    正交切削高强度钢绝热剪切行为的微观机理研究
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  抗拉强度
    Relations between Solidification Thermal Parameters, Dendrite Arm Space and Tensile Strength in Cylindrical Castings of ZL109 Alloy
    ZL109合金圆柱体铸件凝固期热参数、二次枝晶间距、抗拉强度之间关系的研究
短句来源
    A Study on the Relationship between Tensile Strength and Brinell Hardness for 30CrMnSiNi 2A Ultra High Strength Steel
    30CrMnSiNi2A超高强度钢的抗拉强度与布氏硬度关系的试验研究
短句来源
    Relationships Between Tensile Strength and Hardness of Propeller Alloy
    大型螺旋桨合金中抗拉强度与硬度之间的关系
短句来源
    RELATIONS BETWEEN VICKER HARDNESS ANDULTIMATE STRENGTH OF ZCr12MoVNbNiNB THERMALRESISTANT STEEL AFTER LONG PERIOD AGING
    2Cr12MoVNbNiNB耐热钢时效态硬度与抗拉强度关系
短句来源
    Influence of C, Ni and Mo on Tensile Strength of Casting Fe-Cr-Ni Alloy at High Temperature
    碳、镍、钼对铸造Fe-Cr-Ni合金高温抗拉强度的影响
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  “strength”译为未确定词的双语例句
    An Investigation in Formation and Propagation of Hydrogen Induced Cracks in High Strength Steel Testing Implant Using Acoustic Emission and Fractography
    用声发射及断口分析法研究高强钢插销试件氢致裂纹的产生及扩展
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    FACTORS EFFECTING CREEP STRENGTH OF 102 STEEL
    影响102钢热强性的因素分析
短句来源
    SOME PROBLEMS ON DEVELOPMENT OF HIGH STRENGTH WELDABLE Al-Zn-Mg ALLOYS
    高强可焊A1-Zn-Mg合金研制中几个问题的探讨
短句来源
    The Influence of the Thermo-mechanicaltreatment on High Temperature Strength of Home-made Steel 1Cr18Ni9Ti
    形变热处理对国产1Cr18Ni9Ti钢热强性的影响
短句来源
    STUDY ON THE PLASTIC STRETCH ZONE OF FRACTURE TOUGHNESS OF ULTRAHIGH STRENGTH STEELS
    超高强度钢断裂韧性断口塑性延伸区研究
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  strength
The influence of methanol content, pH value, ion types, and ionic strength of mobile phase are studied in detail.
      
It was indicated that the notched impact strength and elongation at break of the polymers increased with the increase of PDMS content.
      
It implies that this is an effective means to reduce the dielectric constant of PI, but it also causes the decrease of tensile strength and the rise of water absorption.
      
The compressive strength of the composite is higher than that of the PLA scaffold.
      
pH, proteins, amino acids, ionic strength and Na2S, on the dissolution of cinnabar.
      
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In order to determine the workability of cast iron with spheroidal graphite,the following tests have been conducted on this material in the as-cast and annealed condition:tensile tests,compression tests,Charpy impact tests,impacttensile tests,twisting tests,upsetting tests under the drop hammer and small-scaledrolling tests.Results from these tests show that the best hot-working temperature rangeof this material varies somewhat with the stress system applied and the speed ofworking,and in general lies between...

In order to determine the workability of cast iron with spheroidal graphite,the following tests have been conducted on this material in the as-cast and annealed condition:tensile tests,compression tests,Charpy impact tests,impacttensile tests,twisting tests,upsetting tests under the drop hammer and small-scaledrolling tests.Results from these tests show that the best hot-working temperature rangeof this material varies somewhat with the stress system applied and the speed ofworking,and in general lies between 700° and 1100℃.Within this temperaturerange,the maximum amount of working permissible for a single working operationvaries considerably with the stress system applied.Under tensile stresses,thismaximum amount of working lies between 28 and 57.6%;under predominentlycompressive stresses,it lies between 58.5 and 72.9%;while in the small-scaledrolling tests,the maximum reduction in thickness permissible for a single passlies between 38.6 and 44.3%.The maximum amount of working permissible is alsoaffected by the speed of working,being greater at lower speeds.Tests on industrial scale show that the upsetting and small-scaled rollingtests give results nearest to those from industrial tests.Charpy impact tests,impacttensile tests,upsetting tests and small-scaled rolling tests show more prominentlythe best hot-working temperature range than the other tests conducted.Results of the present research also indicate that cast iron with spheroidal graphitehas a higher strength and workability when subjected to compressive stresses thanto tensile stresses,that a brittle temperature range has been recorded between200° and 650℃,which varies with the speed of test.Judging from the variationof the resistance to deformation with the change of temperature and the speedeffect,this phenomenon is associated with blue brittleness.

为了确定球墨铸铁的可塑性,曾进行了铸态和铸态经墨化热处理后的球墨铸铁在不同温度下的抗张试验、抗压试验、冲击弯曲试验、冲击抗张试验、撚扭试验、顶锻试验和小型压延试验庑┦匝橹赋?球墨铸铁的最好热加工温度范围随着应力体系和加工速度的不同而略有不同,但一般介于700℃和1100℃之间。在此温度范围内球墨铸铁能够耐受的最大加工量依所受的应力体系而有相当大的差別。在张应力作用下,此最大加工量介于28—57.6%之间,在主要为压应力作用下,介于58.5—72.9%之间;在小型压延试验中,其最大加工量则介于38.6—44.3%之间。最大加工量亦受速度的影响:实验室的试验指出,球墨铸铁在比较低速下加工有较高的塑性。在比较接近生产的条件下的试验结果指出:顶锻试验和小型压延试验给予最靠近生产试验结果的数值。冲击弯曲、冲击抗张、顶锻试验和小型压延试验给予比较明确的最好热加工温度范围,其他试验则不能给予很明确的结果。如果采用了测压仪、小型压延试验,还可以提供变形阻力的资料。试验结果指出:球墨铸铁在压应力作用下比在张应力作用下有较大的强度和塑性;其中温变脆温度依试验速度的变化而在200°—650℃之间变化,根据变形阻力和变脆温度范围的...

为了确定球墨铸铁的可塑性,曾进行了铸态和铸态经墨化热处理后的球墨铸铁在不同温度下的抗张试验、抗压试验、冲击弯曲试验、冲击抗张试验、撚扭试验、顶锻试验和小型压延试验庑┦匝橹赋?球墨铸铁的最好热加工温度范围随着应力体系和加工速度的不同而略有不同,但一般介于700℃和1100℃之间。在此温度范围内球墨铸铁能够耐受的最大加工量依所受的应力体系而有相当大的差別。在张应力作用下,此最大加工量介于28—57.6%之间,在主要为压应力作用下,介于58.5—72.9%之间;在小型压延试验中,其最大加工量则介于38.6—44.3%之间。最大加工量亦受速度的影响:实验室的试验指出,球墨铸铁在比较低速下加工有较高的塑性。在比较接近生产的条件下的试验结果指出:顶锻试验和小型压延试验给予最靠近生产试验结果的数值。冲击弯曲、冲击抗张、顶锻试验和小型压延试验给予比较明确的最好热加工温度范围,其他试验则不能给予很明确的结果。如果采用了测压仪、小型压延试验,还可以提供变形阻力的资料。试验结果指出:球墨铸铁在压应力作用下比在张应力作用下有较大的强度和塑性;其中温变脆温度依试验速度的变化而在200°—650℃之间变化,根据变形阻力和变脆温度范围的变化可以比较肯定地认为这是一种蓝脆的现象。

Experiments were carried out with the purpose of shortening the reducingperiod in small basic electric furnace for carbon steels of various carbon content.In some of the experimental heats reducing period was shortened by 20 mi-nutes and the others were made according to the normal procedure of the works.For some of the low carbon steel heats,the amount of ferro-silicon powder wasincreased by 20% and added in advance.The results,obtained from heats of shorterreducing period,show that the deoxidation and desulphurization...

Experiments were carried out with the purpose of shortening the reducingperiod in small basic electric furnace for carbon steels of various carbon content.In some of the experimental heats reducing period was shortened by 20 mi-nutes and the others were made according to the normal procedure of the works.For some of the low carbon steel heats,the amount of ferro-silicon powder wasincreased by 20% and added in advance.The results,obtained from heats of shorterreducing period,show that the deoxidation and desulphurization appear to be ascomplete as that of a normal heat,the content of nitrogen and non-metallic in-clusions being much less.In addition,the results on mechanical properties showthat in the case of medium carbon steel,the impact value is higher,and in thecase of low carbon steel the percentage of elongation and the rate of reductionof area are also slightly superior although the yield strength becomes somewhatlower.Such a shortening of reducing period also results in a 7% increase ofthe rate of production.It is suggested that in electric steel smelting process theappropriate deoxidation procedure and the length of reducing period should varyin accordance with different carbon content of the steel.A relationship of[S]/[O]=1.2—2.2 at the end of reducing period was ob-served,and the possibility of further shortening of the reducing period in makingmedium and high carbon steel was also pointed out.

在装料量为8吨的小型电炉上进行了冶炼各种碳钢的缩短还原期的研究。还原期缩短到70分钟(低碳钢冶炼中还增加矽铁粉加入量和提早加入时间)的结果是:脱氧、脱硫符合要求,钢中非金属夹杂物和氮的含量显著减少,并提高炉子生产率约7%。从而指出了以电炉冶炼碳钢时还原期的时间和脱氧制度应按钢中碳含量的不同而有所区别。并指出中、高碳钢冶炼中还原期缩短到50分钟左右的可能性。此外还观察到还原期末[S]/[O]=1.2—2.2的关系。

Over 200 Cr-Mn-C-N experimental steels have been systematically studied bya combination of microscopic examination,X-ray diffraction,electrolytic extraction,chemical analysis,hardness and magnetic measurements,density and dilatometricmethods,oxidation test,tensile tests at both room-and elevated-temperatures,creep-rupture test,etc.,and the main findings are presented as follow:(1)Stable austenitic region.(2)Solid state reactions:martensitic transformation,precipitation reactions,and formation of sigma phase.(3)Room-and...

Over 200 Cr-Mn-C-N experimental steels have been systematically studied bya combination of microscopic examination,X-ray diffraction,electrolytic extraction,chemical analysis,hardness and magnetic measurements,density and dilatometricmethods,oxidation test,tensile tests at both room-and elevated-temperatures,creep-rupture test,etc.,and the main findings are presented as follow:(1)Stable austenitic region.(2)Solid state reactions:martensitic transformation,precipitation reactions,and formation of sigma phase.(3)Room-and elevated-temperatures properties,and their relation to the che-mical composition of the steels.(4)Strengthening effect of interstitial solid solution.(5)Effect of precipitation reaction on elevated-temperature strength.(6)Effect of V,W,Mo,Nb,B and Si.(7)Tentative recommendation for indus rial applications.

本文综合报导了作者对二百余种Cr-Mn-C-N实验钢所进行的有系统研究的主要结果:(1)稳定奥氏体区域.(2)重要相变——马氏体转变、σ相形成及沉淀作用.(3)室温及高温性能及其与钢中化学成分的关系.(4)间隙固溶体强化原理.(5)沉淀作用与高温强度的关系.(6)加入V,W,Mo,Nb,Si及B诸元素的影响.(7)工业上可试用的领域.

 
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