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martensite transformation
相关语句
  马氏体相变
     Shape Memory Effect and Martensite Transformation of Fe-Mn-Si-Cr-Ni-N Alloy
     Fe-Mn-Si-Cr-Ni-N合金的形状记忆效应及马氏体相变研究
短句来源
     Recrystallization,Martensite Transformation and Magnetic Characteristic of Co41Ni33Al26 Alloy
     Co41Ni33Al26合金的再结晶、马氏体相变和铁磁特性
短句来源
     STUDY OFγ→εMARTENSITE TRANSFORMATION OF Fe-24Mn-Ge ALLOYS
     Fe-Mn-Ge合金γ→ε马氏体相变的研究
短句来源
     AFM Observation of Macroscopic Lattice Deformation Character istic of {3,10,15}_f Martensite Transformation
     利用AFM观测{3,10,15}_f马氏体相变形状应变特征
短句来源
     The effect of 0.45%~1.44% Cu on low temperature tensile strain-induced martensite transformation in 304 stainless steel- 0.068~0.072C, 18.72~19.06Cr, 9.40~9.46Ni at -196 ℃ has been studied by X-ray diffraction analysis.
     借助X-射线衍射分析法研究了0·45%~1·44%Cu对(%):0·068~0·072C、18·72~19·06Cr、9·40~9·46Ni的304不锈钢-196℃低温拉伸应变诱发马氏体相变的影响。
短句来源
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  马氏体转变
     Martensite Transformation in 10Cr14Ni6Mn4 steel
     10Cr14Ni6Mn4不锈钢的马氏体转变
短句来源
     Martensite transformation andε-carbide precipitation in the steel DT300 - 0. 33C, 1.78Si, 0. 76Mn, 5. 78Ni, 1.10Cr, 0. 65Mo, 0. 12V oil quenched at 840-960℃and effect of quenching temperature on mechanical properties of 300℃tempered steel have been tested and analyzed.
     试验和分析了840-960℃油淬的DT300钢(%:0.33C、1.78Si、0.76Mn、5.78Ni、1.10Cr、0.65Mo、0.12V)的马氏体转变和ε-碳化物的析出以及淬火温度对300℃回火后钢的机械性能的影响。
短句来源
     MARTENSITE TRANSFORMATION IN B-DOPED Ni_3Al-Fe ALLOY
     掺硼Ni_3Al-Fe合金中的马氏体转变
短句来源
     Discussion on the Problem of Martensite Transformation below T_N in Fe-Mn-Si Alloys
     关于Fe-Mn-Si合金在T_N以下马氏体转变问题的讨论
短句来源
     The γ→ε martensite transformation temperature M_(εs) of 40 metastable austenitic alloys in an Fe-Mn-Al-Cr system was determined by dilatometry.
     在Fe-Mn-Al-Cr系亚稳奥氏体区内,用膨胀法测定了40种合金的γ→ε-马氏体转变温度M_(es)。
短句来源
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  “martensite transformation”译为未确定词的双语例句
     Relation between γε Martensite Transformation Temperature and Composition in Fe-Mn-Si-Cr-Ni System Shape Memory Alloys
     Fe-Mn-Si-Cr-Ni 系形状记忆合金 γε 相变温度与成份的关系
短句来源
     Observation and quantitative analysis of macroscopic lattice deformation character of {225}f martensite transformation in Fe-8Cr-1C alloy were performed by means of atomic force microscope(AFM).
     利用原子力显微镜(AFM)对Fe-8Cr-1C合金{225}f马氏体的宏观形状应变特征进行了观察与定量分析.
短句来源
     The Dislocation Theory of (225) Martensite Transformation and Substructure Formation
     (225)马氏体的相变及亚结构形成的位错理论
短句来源
     AFM observation and quantitative analysis of macroscopic lattice deformation character in {225}f martensite transformation
     {225}_f片状马氏体宏观点阵变形特征的AFM观察与定量分析
短句来源
     The surface relief of {3,10,15}f martensite transformation was regular "N" shaped;
     {3 10 15}f全孪晶马氏体表面浮凸呈规则的“N”或“”型;
短句来源
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  martensite transformation
The measuring equipment was tested using a copper-aluminum-nickel alloy, in which the martensite transformation was observed upon cooling the sample below 370 K.
      
The eddy-current parameter f0 measured at Tr increases with time after aging at 700 and 600°C owing to isothermal γ → α martensite transformation.
      
After the two-stage aging, the isothermal martensite transformation at Tr still takes place, but it is stabilized, i.e., the parameter f0 drops with time.
      
The internal friction and velocity of ultrasonic waves in the β phase of Cu-Al-Ni single crystals are measured at a frequency of 5 MHz in the temperature range 190-300 K, including the range of thermoelastic martensite transformation.
      
The results obtained are discussed within the framework of existing theoretical concepts on the martensite transformation mechanisms responsible for the acoustic characteristics of a material.
      
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The isothermal transformation of austenite in a ball-bearing steel within thetemperature range between martensite point M and room temperature has been investigated by electrical resistance measurements.The steel employed was ofcommercial production containing 1.43% Cr and 1.02% C and its martensite pointis 159℃ when quenched from 1100℃.The specimen was first quenched toroom temperature(in which state it contained 17% retained austenite),and thenupquenched to isothermal bath in which its transformation was followed.Theeffect...

The isothermal transformation of austenite in a ball-bearing steel within thetemperature range between martensite point M and room temperature has been investigated by electrical resistance measurements.The steel employed was ofcommercial production containing 1.43% Cr and 1.02% C and its martensite pointis 159℃ when quenched from 1100℃.The specimen was first quenched toroom temperature(in which state it contained 17% retained austenite),and thenupquenched to isothermal bath in which its transformation was followed.Theeffect of tempering of martensite was eliminated by employing two specimens ofdifferent martensite contents.1)By comparing the kinetics of isothermal transformation below and abovemartensite point,it was concluded that isothermal transformation below M pointtakes place by the martensite process and not by intermediate transformation(bainitic),in.spite of the presence of large amount of martensite and relativelyhigh temperature at which the transformation takes place.2)From kinetics considerations it appears that isothermal transformationof retained austenite to martensite takes place not by the formation of new nuc-lei but mainly by the growth of already existing martensite.This would alsoinfer that coherency between martensite and austenite is not destroyed(or notcompletely destroyed)during quenching transformation.3)The tempering of martensite appears to be the controlling process forthe isothermal transformation of retained austenite to martensite,such that theelastic strain energy relaxed by tempering of martensite exceeds the difference offree energies between the two phases.The activation energy of tempering ofmartensite within the temperature range considered(below 150℃)was found tobe 13,300 cal/mol,which compares favourably well with the value of 16,000 cal/molas given by Averbach and Cohen in 1953.4)The results show that isothermal keeping for prolonged duration at theneighbourhood of 100℃ brings about maximum amount of transformation of re-tained austenite.That is,at either higher or lower temperatures and for a speci-fied time,the amount of austenite-martensite transformation is less.This is signifi-cant for practical heat-treating of precision gauges and tools for which dimen-sional stability is important and high temperature tempering may not be de-sirable for hardness consideration.

用电阻法研究了含1.43%Cr,1.02%C的滚珠钢在室温到马氏体点(159℃)温度范围内奥氏体等温转变过程。结果指出在这一温度范围内的等温转变是以马氏体转变的形式进行的,而不产生中温转变形式的等温转变。当样品由1100℃淬火至室温后再“上淬”至低于马氏体点的温度进行等温保持时,部分的残留奥氏体即等温转变为马氏体。根据动力学的考虑,这一转变很可能不是通过形成新的晶核,而是已有马氏体晶体的长大过程。同时,这种转变主要受已有马氏体回火过程的控制。在100℃左右长期等温保持时可以得到最大的残留奥氏体转变量。更高或更低的温度,在同一时间内转变量都较100℃左右为小,这可作为精密量具刃具实际热处理的参考。

Internal friction in two kinds of iron-manganese alloy which contain Mn 17.5% and Mn 12.8% respectively and one kind of copper-aluminum alloy containing 13% Al were measured with a torsion pendulum, and internal friction peaks were observed in the temperature range in which the martensite or reverse martensite transformation is taken place. The condition for the appearance of this internal friction peak is that it occurs only when accompanied by the process of martensite-type transformation....

Internal friction in two kinds of iron-manganese alloy which contain Mn 17.5% and Mn 12.8% respectively and one kind of copper-aluminum alloy containing 13% Al were measured with a torsion pendulum, and internal friction peaks were observed in the temperature range in which the martensite or reverse martensite transformation is taken place. The condition for the appearance of this internal friction peak is that it occurs only when accompanied by the process of martensite-type transformation.

用扭摆测量两种跌锰合金(Mn17.5%和12.8%)和一种铜铝合金(Al13%)的内耗,在发生正和反的马氏体相变的温度范围内各出现一个内耗峰。这种内耗峰出现的条件是必须伴随着马氏体式相变过程的进行。 用含Mn17.5%的铁锰合金作了系统实验,观察到内耗峰的高度随升温(或降温)速度和应力的增加而增高,随振动频率和含碳量的增加而减低。可以用振动一周内试样中转变量愈多内耗也愈大的关系得到统一的解释。 讨论了关于产生内耗峰的机构。认为主要由于马氏体相变是突然间完成,此时扭转的外力可视为常数,从应力和不均匀物质交互作用能的计算,可以证明外力所做的功必须损失一半,因而引起内耗。此外应力感生相变也可以引起很小一部分内耗。

The internal friction peak associated with the process of martensite and reverse martensite transformation in Au-Cd alloy were measured by torsion pendulum. There is a linear relation between the peak value and rate of heating. The stable peak (heating rate=0) is much higher than that of Fe-Mn alloy and the internal friction value is independent of frequency which is characteristic of static hysteresis loss. The height of the internal friction peak is related to the grain size of Martensites. There also...

The internal friction peak associated with the process of martensite and reverse martensite transformation in Au-Cd alloy were measured by torsion pendulum. There is a linear relation between the peak value and rate of heating. The stable peak (heating rate=0) is much higher than that of Fe-Mn alloy and the internal friction value is independent of frequency which is characteristic of static hysteresis loss. The height of the internal friction peak is related to the grain size of Martensites. There also appears a peak during the process of isothermal martensite transition According to these experimental results, we attributed this internal friction induced by martensite transition to those movable coherent interface under the action of vibrating stress.

本文测出了金镉(Au-Cd)合金在正反马氏体相变过程的低频内耗峰,内耗极大值与变温速率有线性关系,但比Fe-Mn等非热弹性马氏体相变内耗的速率依赖要小得多,稳定内耗峰(变温速率为零)在每一温度的内耗值与频率无关,是静滞型损耗。内耗峰高与马氏体晶粒尺寸有关。等温转变过程也出现一个内耗-时间峰。根据以上诸实验事实,我们认为,低频马氏体相变内耗是由那些在振动应力作用下可以运动的相界面所引起的。

 
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