淬火Ni51Ti49合金热循环马氏体相变温度和位错密度的变化

IF 0.6 4区材料科学 Q4 CRYSTALLOGRAPHY

Crystallography Reports Pub Date : 2025-04-30 DOI:10.1134/S1063774525600097

S. P. Belyaev, N. N. Resnina, I. V. Ponikarova, A. V. Sibirev

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引用次数: 0

摘要

本文的目的是研究Ni51Ti49淬火合金进行B2↔B19′马氏体转变时位错密度变化与马氏体转变温度之间的关系。结果表明，随着热循环，相变温度降低。同时，位错密度在前40次循环中急剧增加，然后在第100次循环中下降，从第100次循环到第500次循环中再次增加。因此，位错密度的变化并不是热循环马氏体相变温度变化的唯一原因。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Variation in the Martensitic Transformation Temperatures and Dislocation Density on Thermal Cycling of Quenched Ni51Ti49 Alloy

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Variation in the Martensitic Transformation Temperatures and Dislocation Density on Thermal Cycling of Quenched Ni51Ti49 Alloy

The aim of the paper was to study the relation between variation in the dislocation density and martensitic transformation temperatures on thermal cycling of the quenched Ni₅₁Ti₄₉ alloy undergoing the B2 ↔ B19' martensitic transformation. The results showed that the transformation temperatures decreased on thermal cycling. At the same time, the dislocation density sharply increased during first 40 cycles, then it decreased by the 100th cycle and increased again on further cycling from 100 to 500 cycles. Thus, a variation in the dislocation density was not the only reason for a variation in the martensitic transformation temperatures on thermal cycling.

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来源期刊

Crystallography Reports 化学-晶体学

CiteScore

1.10

自引率

28.60%

发文量

审稿时长

4-8 weeks

期刊介绍： Crystallography Reports is a journal that publishes original articles short communications, and reviews on various aspects of crystallography: diffraction and scattering of X-rays, electrons, and neutrons, determination of crystal structure of inorganic and organic substances, including proteins and other biological substances; UV-VIS and IR spectroscopy; growth, imperfect structure and physical properties of crystals; thin films, liquid crystals, nanomaterials, partially disordered systems, and the methods of studies.