Design and preparation of Ta33W35Cr15V17 /Al2O3 nano multilayer film based on multi-level construction strategy and its radiation resistance behavior
Source abstract
Abstract
The microstructure and mechanical properties of Ta 33W 35Cr 15V 17/Al 2O 3 nano-multilayer films with preset defects after He + ion irradiation were studied to understand the effects of layer interfaces and nano-defects. After irradiation, the growth of He bubbles in the alumina layer was confined to the nanovoids without aggregations. The nanochannel in the high-entropy alloy layer absorbed the deposited energy of He + and shrank to disappear. In addition, the film was softened after irradiation due to the presence of presetting defects. Based on which a dual absorption source model of interface and pre-set defects was proposed to explain the enhancement of radiation tolerance.
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Research context
OpenAlex topics: Advanced materials and composites · Fusion materials and technologies · Advanced ceramic materials synthesis
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