Strength Improvement of Metals Produced by Selective Laser Melting of Powders

B. K. Barakhtin; A. S. Zhukov; V. V. Bobyr; I. V. Shakirov; P. A. Kuznetsov

doi:10.1134/S2075113319060054

Strength Improvement of Metals Produced by Selective Laser Melting of Powders

Авторы: Barakhtin B.¹, Zhukov A.¹, Bobyr V.¹, Shakirov I.¹, Kuznetsov P.¹
Учреждения:
1. National Research Center Kurchatov Institute—Central Research Institute of Structural Materials Prometey
Выпуск: Том 10, № 6 (2019)
Страницы: 1390-1393
Раздел: Functional Materials
URL: https://journals.rcsi.science/2075-1133/article/view/208132
DOI: https://doi.org/10.1134/S2075113319060054
ID: 208132

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Аннотация

Standard samples for mechanical tests have been produced by selective laser melting (SLM) of metal powders of various chemical compositions. It has been determined that strength properties of all SLM samples are higher than those of solid samples of the same chemical composition. It has been established that the factors of strength improvement are vapor condensed nanoparticles above the melting zone and ultrafine grain structure formed at the stage of crystallization.