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. 2021 May 12;104(2):00368504211009330. doi: 10.1177/00368504211009330

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© The Author(s) 2021

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — The outlook of experimental apparatus: (a) steel plate released from furnace after heating, (b) during quenching experiment, and (c) after quenching experiment.