Effect of laser exposure temperature on the structure and mechanical properties of natural composites based on Fe–18Cr–10Ni alloy | Izvestiya vuzov. Fizika. 2026. № 1. DOI: 10.17223/00213411/69/1/7

Effect of laser exposure temperature on the structure and mechanical properties of natural composites based on Fe–18Cr–10Ni alloy

The effect of laser exposure temperature on the formation of structural states and mechanical properties of natural composites based on the austenitic-martensitic alloy Fe-18Cr-10Ni is investigated. Transmission electron microscopy (TEM) was used to study the microstructure of austenite regions obtained by ultra-high-speed laser heating to various temperatures in the gamma-phase stability range, which corresponds to temperatures of 550-850 °C. The presence of certain differences in the microstructure of the γ-phase obtained as a result of laser radiation heating to different temperatures was revealed. An analysis of the mechanical properties of natural composite samples has shown that a change in the temperature of laser exposure significantly affects the shape of the “strain-stress” curves, and, consequently, the ratio of the strength and plastic characteristics of the composite.

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Keywords

composite, martensite, austenite, direct and reverse martensitic transformations, laser exposure, mechanical properties, structure, transmission electron microscopy

Authors

Name	Organization	E-mail
Blinova Elena N.	I.P. Bardin Central Research Institute of Ferrous Metallurgy	blinova_en@rambler.ru
Voronov Valery D.	National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)	karabas.val@gmail.com
Ishkinyaev Emil D.	National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)	ishkinyaev.emil@gmail.com
Libman Mikhail A.	I.P. Bardin Central Research Institute of Ferrous Metallurgy	leonora-libman@mail.ru
Osintsev Andrey V.	National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)	avosintsev@mephi.ru
Petrovskiy Viktor N.	National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)	VNPetrovskij@mephi.ru
Pichienko Varvara I.	National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)	vip123.p@yandex.ru
Shurygina Nadezhda A.	I.P. Bardin Central Research Institute of Ferrous Metallurgy; MIREA – Russian Technological University	shnadya@yandex.ru

Всего: 8

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