Effect of Hydrogen on Young’s Modulus and Internal Friction of V–4Ti–4Cr Alloy,Physics of the Solid State

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Effect of Hydrogen on Young’s Modulus and Internal Friction of V–4Ti–4Cr Alloy
Physics of the Solid State ( IF 0.9 ) Pub Date : 2022-04-26 , DOI: 10.1134/s1063783422010097
B. K. Kardashev ₁ , K. V. Sapozhnikov ₁

Affiliation

Abstract

We studied Young’s modulus and internal friction of the V–4Ti–4Cr alloy with different hydrogen impurity concentrations in the temperature range of 100–300 K at oscillation frequencies of ~100 kHz. Hydrogenation of the alloy causes a minimum in the Young’s modulus temperature dependence due to the precipitation/dissolution of vanadium monohydride particles and a relaxation peak in the temperature spectrum of internal friction at ~140 K, which can be associated with Snoek-type hydrogen relaxation due to the interaction of hydrogen atoms with titanium atoms.

中文翻译：

氢对V-4Ti-4Cr合金杨氏模量和内摩擦力的影响

摘要

我们研究了具有不同氢杂质浓度的 V-4Ti-4Cr 合金在 100-300 K 的温度范围内在 ~100 kHz 的振荡频率下的杨氏模量和内摩擦。由于一氢化钒颗粒的沉淀/溶解，合金的氢化导致杨氏模量温度依赖性最小，并且在~140 K 的内摩擦温度谱中出现弛豫峰，这可能与 Snoek 型氢弛豫有关氢原子与钛原子的相互作用。

更新日期：2022-04-27

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