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Keywords = physics of nanopore healing

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14 pages, 11241 KiB  
Article
Physical Mechanism of Selective Healing of Nanopores in Condensed Matter under the Influence of Laser Irradiation and Plasma
by Zhiqiang Wang, Ivan Vladimirovich Ushakov, Ivan Sergeevich Safronov and Jianping Zuo
Nanomaterials 2024, 14(2), 139; https://doi.org/10.3390/nano14020139 - 8 Jan 2024
Cited by 4 | Viewed by 2192
Abstract
The investigation of the features of laser control over the state of nanoscale objects in solid materials is an urgent task of condensed matter physics. We experimentally established the potential for the simultaneous enhancement of hardness and resistance to surface cracking in a [...] Read more.
The investigation of the features of laser control over the state of nanoscale objects in solid materials is an urgent task of condensed matter physics. We experimentally established the potential for the simultaneous enhancement of hardness and resistance to surface cracking in a titanium alloy due to selective laser irradiation. The regularities of selective heating near nanopores and the influence of the nanopore system on the features of isotherm propagation have been revealed. A physical model is proposed for the healing of nanopores situated in the surface layer of the sample. According to this model and as a result of laser irradiation and laser plasma, a brief transition of the material surface to extreme conditions is initiated. Full article
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