A microscopy study of nanoparticles emitted during laser additive manufacturing with stainless steel powder

被引：1

作者：

Noskov, Aleksey ^{[1
]}

El-Khoury, Mikhael ^{[2
]}

Drobyshev, Sergey ^{[1
]}

Kuchaev, Evgeny ^{[1
]}

Yanbaev, Fatih ^{[1
]}

Zhigalina, Olga ^{[3
,4
]}

Khmelenin, Dmitriy ^{[4
]}

Gilmutdinov, Albert ^{[1
]}

机构：

[1] Kazan Natl Res Tech Univ, Kazan 420111, Russia

[2] Tech Univ Dresden, D-01069 Dresden, Germany

[3] Bauman Moscow State Tech Univ, Moscow 105005, Russia

[4] Russian Acad Sci, Shubnikov Inst Crystallog, Moscow 119333, Russia

来源：

MATERIALS LETTERS-X | 2022年 / 14卷

关键词：

Nanomaterials; Nanoparticles; Additive manufacturing; Electron microscopy; Air contaminants; Occupational health;

D O I：

10.1016/j.mlblux.2022.100139

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This article considers the nanoparticles suspended in the gas phase in the vicinity of a 3D-printed surface during additive manufacturing via Laser Beam Powder Bed Fusion (LB-PBF) and Directed Energy Deposition (DED). The results of this research show that the primary pollutants during the laser additive manufacturing using metal powder are aggregated core-shell nanoparticles with an average particle size of about 10 nm. High-resolution microscopy shows the chemical composition of the volume and surface of each particle; in particular, the "core" consists of Fe, Cr, and Ni atoms and the "shell" is a thin oxide layer.

引用

页数：4

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