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Structure, Phase Transformations and Properties of Rapidly Quenched Ti_2NiCu Alloys

机译：快速淬火Ti_2nicu合金的结构，相变性和性能

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Methods of X-ray diffraction, transmission and scanning electron microscopy, and electron diffraction have been used to study phase and chemical compositions and structure of Ti_2NiCu alloys. The alloys of the quasi-binary section TiNi-TiCu, which exhibit in the initial as-cast state thermoelastic martensitic transformations B2?B19 and related shape memory effects, have been produced by rapid quenching of the melt (melt spinning technique). The chemical composition of the Ti_2NiCu alloys was varied with respect to titanium and nickel within x < ±1 at. %. The mechanical properties of the alloys have been measured in the initial state and after subsequent heat treatment. The kinetics of the crystallization from the amorphous state, devitrification processes and the forward and reverse thermoelastic martensitic transformations were investigated. Their characteristic temperatures have been determined by measuring temperature dependences of the electrical resistivity of the alloys. The diagram of the dependence of the critical temperatures on the chemical composition has been constructed.
机译：X射线衍射，透射电子显微镜和电子衍射的方法用于研究阶段和化学组成和Ti_2nicu合金的结构。通过快速淬火（熔融纺丝技术）产生了初始的铸造状态热弹性马氏体变换B2αb19和相关形状记忆效果的准二元部分TINI-TICU的合金。 Ti_2nicu合金的化学成分相对于钛和镍在X±1时变化。 ％。已经在初始状态和后续热处理后测量了合金的机械性能。研究了从非晶态，缺失过程和前向和反向热弹性马氏体转化中结晶的动力学。通过测量合金的电阻率的温度依赖性来确定其特征温度。构建了临界温度对化学成分上的临界温度的依赖性图。

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