马氏体转变

  • 网络martensitic transformation;Ms-Mf;martensite transformation;Martensite
马氏体转变马氏体转变
  1. Fe-29wt%Ni合金超细微粒中马氏体转变热效应研究

    A Study on the Thermal Effect of Martensitic Transformation in Fe-29wt % Ni Alloy Ultrafine Particles

  2. Ge含量对Fe-24%Mn合金γ→ε马氏体转变的影响

    Effect of Ge Content on the γ→ε Martensitic Transformation of Fe-24 % Mn Alloys

  3. 硼钢马氏体转变开始温度(Ms)的计算与分析

    Calculation and Analysis for the Ms Temperature of Boron Steel

  4. 结果表明,Ni含量增加会使钢的奥氏体形成温度下降,推迟高温转变、中温转变和马氏体转变。

    The results showed that the Ni may retard the high-and medium-temperature and Martensite transformation .

  5. TRIP效应就是钢中残余奥氏体,在形变的过程中发生马氏体转变,从而达到强韧化的目的。

    TRIP effect is that retained austenite occures martensite deformation to achieve the purpose of high strength and high toughness .

  6. Fe-Mn-Si-Cr-Ni形状记忆合金的形状回复来源于应力诱发γ→ε马氏体转变及其逆转变;

    The shape memory effect in Fe-Mn-Si-Cr-Ni shape memory alloy was caused by the stress-induced γ→ε martensite transformation and it 's reverse transformation .

  7. 采用差热分析和X射线衍射及透射电子显微分析,研究了Ni50Mn29Ga21Tb1.2形状记忆合金的马氏体转变温度、室温下的马氏体的结构及亚结构。

    Martensitic transformations , martensitic structures and substructures of Ni_ 50Mn_ 29Ga_ 21Tb_ 1.2 shape memory alloy were studied by DTA , X-ray diffraction and electron diffraction .

  8. 由内耗和DSC的观察分析发现:Ce&TZP材料的四方相ZrO2到单斜相ZrO2的转变是可逆的,是典型的马氏体转变。

    From internal friction and DSC , we discovered the phase transformation of Ce-TZP is reversible .

  9. Cu-Zn-Al合金中热弹性马氏体转变理论

    Theory for Thermoelastic Martensitic Transformation in A Cu-Zn-Al Alloy

  10. 磁驱动形状记忆合金NiMnIn(Co)马氏体转变与磁性能的研究

    Martensitic and Magnetic Transformation Behaviors in NiMnIn ( Co ) Metamagnetic Shape Memory Alloys

  11. Cu-Al-Ni合金热弹性马氏体转变与冷却速度的关系

    The relationship between thermoelastic martensitic transformation and cooling rate in Cu-Al-Ni alloys

  12. 计算马氏体转变量的MAGEE公式的改进

    The Improvement of Magee Formula in Calculating the Amount of Martensite Transformation

  13. 实验结果表明,Fe-Mn合金中加入Al可抑制γ→ε及γ→ε→α′相的转变,使马氏体转变温度降低。

    Results show that an addition of A1 to Fe-Mn alloy may restrain the transformation of γ→ε and γ→ε→α ' , and reduce the martensitic transition temperature .

  14. 结果表明:等温淬火后Ar的C曲线上支对应上(或反)贝氏体转变,下支对应下贝氏体或等温马氏体转变;

    The results show that : the upper branch of TTT curve of Ar corresponds the upper ( or inverse ) bainite reaction and the lower branch corresponds the transformation of lower bainite or isothermal martensite ;

  15. 根据γ→ε-马氏体转变的层错机制,简要讨论了Al,C和Cr对Fe-Mn合金M(es)的影响。

    A brief discussion about the effect of Al , C or Cr on M_ (ε s ) was also made referring to the mechanism of stacking fault for γ→ε martensite transformation .

  16. 结果表明:在小变形量下冷扎,管材塑性对形变硬化非常敏感,变形量大于35%后,马氏体转变使得合金塑性有所恢复,管材不适宜在Q值小于2的条件下加工。

    The results show that the plasticity of the tube is sensitive to the deform - hardening in low deformation degree . The plasticity recovered somewhat from the martensite transmission beyond deformation degree of 35 % .

  17. 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)。

    The γ→ε martensite transformation temperature M_ (ε s ) of 40 metastable austenitic alloys in an Fe-Mn-Al-Cr system was determined by dilatometry .

  18. 该钢在Ms(马氏体转变开始温度)~Md(马氏体转变终止温度)d温度之间形变,应变诱导相变,相变诱发塑性&TRIP,其力学性能指标大大提高。

    The mechanical properties of this sort of steel have been enhanced considerably due to strain - induced transformations and transformation - induced plasticity ( TRIP ) when it formed between Ms and Md temperature .

  19. 不同热处理对Cu-Al-Mn合金形状记忆效应和马氏体转变温度的影响

    Influence of different heat treatment on SME and martensitic transformation temperatures in a Cu-Al-Mn alloy

  20. 通过实验和计算,由母相向马氏体转变时单位质量的相变总焓、热容改变焓和马氏体相变焓分别是3.22J/g、1.88J/g和1.34J/g。

    The experimental results and the calculation show that the total phase transformation heat enthalpy of the unit mass from mother phase to martensite is 3.22 J / g , the heat enthalpy of the heat capacity and the martensitic transformation is 1.88J/g and 1.34J/g respectively .

  21. 通过X射线衍射(XRD)、拉伸性能的测定,分析了Ge对Fe-24%Mn形状记忆合金γ相点阵参数和马氏体转变的影响。

    The effect of Ge content ( 0 % ~ 5.88 % ) on the γ lattice parameter and γ→ε martensitic transformation of Fe 24 % Mn SMA was investigated by X ray diffraction ( XRD ) method and tensile properties measurement .

  22. 从Greenwood-Johnson公式出发,通过实验测试出该公式中的常数K,发现K不仅与应力有关,而且和马氏体转变量的大小也有一定关系。

    The parameter K in the Greenwood Johnson equation was determined by experiments . It is found that K is not only related to the stress , but also to the quantity of martensitic phase transformation .

  23. 奥氏体组织的稳定性得到提高。疲劳实验过程中SUS304发生了显著的应变诱发马氏体转变,而SUS304N基本未发生此现象。

    Remarkable austenite-martensite transformation occurs in SUS304 during fatigue test , on the other hand , almost no austenite-martensite transformation occurs in SUS304N .

  24. 与TTT曲线相比,CCT高温珠光体转变曲线明显右移,而中温贝氏体转变及低温马氏体转变曲线位置几乎不变。

    Comparing with the TTT curve , the transformation cure of high-temperature perlite in CCT is obviously located in the right , while the locations of transformation curves of the medium-temperature bainite and low-temperature martensite are almost not changed .

  25. 本文阐明了Cu-Zn-Al形状记忆合金马氏体转变的热力学特征,从热力学角度分析了Cu-Zn-Al记忆合金在不同的热处理条件下形成不同组织结构的机制,给出了控制Cu-Zn-Al记忆合金马氏体相变的方法。

    This paper described the thermodynamic character of Cu Zn Al shape memory alloy ′ s martensite transformation process , analysed the mechanism of forming different microstructures of Cu Zn Al SMA in the different heat treatment conditions from the thermodynamic aspect .

  26. 介绍了两种Cu-Al-Mn形状记忆合金,测量其马氏体转变温度,发现9R马氏体结构的合金相变滞后宽度远大于18R马氏体结构的合金。

    Two kinds of Cu-Al-Mn type memory alloys are described . Through the measurement of their martensitic transformation temperatures , it is found that the phase change lag width of the alloy with 9R martensitic structure is far greater than that of the alloy with 18R martensitic structure .

  27. 钢中马氏体转变的位错滑移机制

    On the dislocation slip mechanism of the martensitic transformation of steels

  28. 从马氏体转变成网状的碳化铬。

    Transformation of martensite into a network of chromium carbides .

  29. 等温马氏体转变的核胚数问题

    A problem concerning number of embryos in isothermal martensitic transformation

  30. 氢诱导奥氏体钢的ε马氏体转变及断裂机理研究

    Study of fracture mechanism and martensite induced by Hydrogen in austenite steels