Structural state of a radiation-modified Ti _(50)Ni _(47)Fe _3 single crystal

Parkhomenko V.D.; Dubinin S.F.; Maksimov V.I.

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Structural state of a radiation-modified Ti _(50)Ni _(47)Fe _3 single crystal

机译：辐射改性Ti _（50）Ni _（47）Fe _3单晶的结构态

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The structural state of a Ti _(50)Ni _(47)Fe _3 single crystal irradiated by fast neutrons (F = 2.5 × 10 ~(20) cm ~(-2)) at 340 K was studied by thermal neutron diffraction at 78 and 295 K. The melt of this composition was chosen with the purpose of designing a radiation-resistant material exhibiting a shape-memory effect. It was found that the melt remains crystalline after irradiation, whereas the Ti _(49)Ni _(51) crystal studied earlier becomes amorphous after an analogous irradiation. In spite of the fact that the main structural motif of the crystal remains unchanged after irradiation, martensitic transformations in the crystal do not occur and, consequently, the shape-memory effect is not retained. The radiation resistance of this class of crystals was estimated.

机译：在340 K下通过快中子（F = 2.5×10〜（20）cm〜（-2））照射中子（F = 2.5×10〜（20）cm〜（-2））对Ti _（50）Ni _（47）Fe _3单晶的结构状态进行了研究。选择该组合物的熔体是为了设计具有形状记忆效应的耐辐射材料。发现熔体在辐照后保持结晶，而先前研究的Ti _（49）Ni _（51）晶体在相似辐照后变为非晶态。尽管在辐照后晶体的主要结构基序保持不变，但晶体中并未发生马氏体相变，因此不能保持形状记忆效应。估计了这类晶体的抗辐射性。

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《Crystallography reports》 |2011年第7期|共4页
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Parkhomenko V.D.; Dubinin S.F.; Maksimov V.I.;
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正文语种 eng
中图分类晶体学;
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1. Ti50Ni47Fe3形状记忆合金冷轧变形后的组织与性能 [J] . 李艳锋, 康小宇, 尹向前, 中国有色金属学报（英文版） . 2014,第009期
2. Ti（50）Ni（47）Fe3形状记忆合金冷轧变形后的组织与性能 [J] . 李艳锋, 康小宇, 尹向前, 中国有色金属学报：英文版 . 2014,第009期
3. Structural state of a radiation-modified Ti _(50)Ni _(47)Fe _3 single crystal [J] . Parkhomenko V.D., Dubinin S.F., Maksimov V.I. Crystallography reports . 2011,第7期

机译：辐射改性Ti _（50）Ni _（47）Fe _3单晶的结构态
4. Structural state of a radiation-modified Ti_(50)Ni_(47)Fe_3 single crystal in the low-temperature range [J] . Parkhomenko V.D., Dubinin S.F., Maksimov V.I. Physics of the solid state . 2010,第10期

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10. 100 by 100 Group Relative Covariance Matrices of exp 46 Ti(N,p), exp 58 Ni(N,p), exp 58 Ni(N,2N), exp 56 Fe(N,p), exp 47 Ti(N,Np), exp 47 Ti(N,p), exp 48 Ti(N,Np), exp 48 Ti(N,p). Using Greenwood's Energy Structure for the REAL-80 [R] . Muir, D., Ertek, C., Cross, B. 1980

机译：100×100组相对协方差矩阵exp 46 Ti（N，p），exp 58 Ni（N，p），exp 58 Ni（N，2N），exp 56 Fe（N，p），exp 47 Ti（N， Np），exp 47 Ti（N，p），exp 48 Ti（N，Np），exp 48 Ti（N，p）。将Greenwood的能量结构用于REaL-80

Structural state of a radiation-modified Ti _(50)Ni _(47)Fe _3 single crystal

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