Ti-Al粉末混合物的显微硬度取决于高能球磨的持续时间

IF 0.4 4区物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY

Russian Physics Journal Pub Date : 2025-05-21 DOI:10.1007/s11182-025-03465-5

D. A. Osipov, V. D. Pasko, I. A. Ditenberg

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引用次数: 0

摘要

结果表明，3Ti-1.15Al混合粉末的显微硬度从2.97 GPa增加到4.66 GPa，高能球磨时间从1.5 min增加到7.5 min。在纳米结构态的形成过程中，观察到有序Ti3Al和TiAl化合物的形成，其体积分数随着处理时间的延长而增加。粉末混合物的这些结构相变特性是在加工条件下提高显微硬度的主要驱动因素。

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Microhardness of Ti-Al powder mixture depending on the duration of high-energy ball milling

It is found out that the microhardness of a 3Ti–1.15Al powder mixture increases from 2.97 to 4.66 GPa with the duration of high-energy ball milling increasing from 1.5 to 7.5 min. During the formation of a nanostructured state, the ordered Ti₃Al and TiAl compounds are observed to form, whose volume fractions increase with the processing duration. These peculiarities of the structural-phase transformation of the powder mixture are the main drivers of an increased microhardness under the processing conditions.

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来源期刊

Russian Physics Journal PHYSICS, MULTIDISCIPLINARY-

CiteScore

1.00

自引率

50.00%

发文量

208

审稿时长

3-6 weeks

期刊介绍： Russian Physics Journal covers the broad spectrum of specialized research in applied physics, with emphasis on work with practical applications in solid-state physics, optics, and magnetism. Particularly interesting results are reported in connection with: electroluminescence and crystal phospors; semiconductors; phase transformations in solids; superconductivity; properties of thin films; and magnetomechanical phenomena.