Studying the mechanisms of radiation-induced embrittlement and deformation swelling of surface layers of NbTi, NbTiV, NbTiVZr alloys used as structural materials for the oil and gas and nuclear industries

Author:

Kadyrzhanov K. K.1,Kozlovskiy A. L.2,Shlimas D. I.1,Moldabayeva G. Zh.3

Affiliation:

1. L. N. Gumilyov Eurasian National University

2. L. N. Gumilyov Eurasian National University; Atyrau University named after Kh. Dosmukhamedov

3. Satbayev University

Abstract

Determining the mechanisms of deformation distortion and softening processes of near-surface layers in alloys, including high-entropy alloys, is one of the priority tasks in modern materials science. Interest in such studies, which require an integrated approach to determining the relationship between accumulated structural distortions and softening processes, is due to the great potential for the use of these alloys in the new generation of nuclear power. In order to assess the resistance of alloys based on NbTi, NbTiV, NbTiVZr compounds to the accumulation of radiation damage, irradiation experiments were carried out at the DC-60 accelerator, taking into account the capabilities of modeling radiation damage, both in the case of single (isolated) areas of damage, and when overlap. The obtained results of the dependences of changes in the structural parameters of the alloys under study depending on the number of components for irradiated samples are direct confirmation of the influence of differences in atomic radii on the resistance to deformation tension during the accumulation of radiation damage. It was found that the NbTiVZr alloy exhibits the smallest structural changes caused by irradiation, which indicates high resistance to deformation distortion and a decrease in strength properties and wear resistance. It has been determined that the main mechanism influencing the loss of wear resistance during tribological friction tests is the deformation distortion of the damaged layer, the magnitude of which determines the degradation of the near-surface layer of the alloys.

Publisher

Industrial University of Tyumen

Reference16 articles.

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3