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用于3D打印的新型冷坩埚超声雾化粉末生产方法

Novel Cold Crucible Ultrasonic Atomization Powder Production Method for 3D Printing.

作者信息

Żrodowski Łukasz, Wróblewski Rafał, Choma Tomasz, Morończyk Bartosz, Ostrysz Mateusz, Leonowicz Marcin, Łacisz Wojciech, Błyskun Piotr, Wróbel Jan S, Cieślak Grzegorz, Wysocki Bartłomiej, Żrodowski Cezary, Pomian Karolina

机构信息

Faculty of Materials Science and Engineering, Warsaw University of Technology, Woloska141 St., 02-507 Warsaw, Poland.

AMAZEMET Sp. z o.o. [Ltd], Al. Jana Pawła II 27, 00-867 Warsaw, Poland.

出版信息

Materials (Basel). 2021 May 13;14(10):2541. doi: 10.3390/ma14102541.

DOI:10.3390/ma14102541
PMID:34068424
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8153640/
Abstract

A new powder production method has been developed to speed up the search for novel alloys for additive manufacturing. The technique involves an ultrasonically agitated cold crucible installed at the top of a 20 kHz ultrasonic sonotrode. The material is melted with an electric arc and undergoes pulverization with standing wave vibrations. Several different alloys in various forms, including noble and metallic glass alloys, were chosen to test the process. The atomized particles showed exceptional sphericity, while powder output suitable for additive manufacturing reached up to 60%. The AMZ4 metallic glass powder remained amorphous below the 50 μm fraction, while tungsten addition led to crystallization in each fraction. Minor contamination and high Mn and Zn evaporation, especially in the finest particles, was observed in atomized powders. The innovative ultrasonic atomization method appears as a promising tool for material scientists to develop powders with tailored chemical composition, size and structure.

摘要

一种新的粉末生产方法已被开发出来，以加速寻找用于增材制造的新型合金。该技术涉及一个安装在20 kHz超声焊头顶部的超声搅拌冷坩埚。材料通过电弧熔化，并在驻波振动作用下进行粉碎。选择了几种不同形式的合金，包括贵金属合金和金属玻璃合金，来测试该工艺。雾化颗粒呈现出优异的球形度，而适用于增材制造的粉末产量高达60%。AMZ4金属玻璃粉末在50μm以下的粒度范围内保持非晶态，而添加钨会导致每个粒度范围内出现结晶现象。在雾化粉末中观察到少量污染以及较高的锰和锌蒸发，尤其是在最细的颗粒中。这种创新的超声雾化方法似乎是材料科学家开发具有定制化学成分、尺寸和结构的粉末的一种有前景的工具。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/8adf79221e05/materials-14-02541-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/b00539bfc95d/materials-14-02541-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/dd302096485f/materials-14-02541-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/4a9d08c52f72/materials-14-02541-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/9b0e3b16960a/materials-14-02541-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/add9196528e2/materials-14-02541-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/5abb1ac8b97d/materials-14-02541-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/8adf79221e05/materials-14-02541-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/b00539bfc95d/materials-14-02541-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/dd302096485f/materials-14-02541-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/4a9d08c52f72/materials-14-02541-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/9b0e3b16960a/materials-14-02541-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/add9196528e2/materials-14-02541-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/5abb1ac8b97d/materials-14-02541-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a902/8153640/8adf79221e05/materials-14-02541-g007.jpg

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