Strength Improvement of Metals Produced by Selective Laser Melting of Powders

— 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 estab...

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Veröffentlicht in:	Inorganic materials : applied research 2019-11, Vol.10 (6), p.1390-1393
Hauptverfasser:	Barakhtin, B. K., Zhukov, A. S., Bobyr, V. V., Shakirov, I. V., Kuznetsov, P. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Chemistry and Materials Science Functional Materials Industrial Chemistry/Chemical Engineering Inorganic Chemistry Materials Science
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	— 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.
ISSN:	2075-1133 2075-115X
DOI:	10.1134/S2075113319060054