Aluminum Powder Preparation for Additive Manufacturing Using Electrostatic Classification
This work aims to study the possibility of using an electrostatic drum-type separator to prepare a powder with a narrow size distribution curve for usage in additive manufacturing. The size distributions of the uncoated commercial aluminum powders ASP-30, ASP-22, and ASP-5 were analyzed. It was show...
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doaj-a6d379b864a4456aa8243fb515cc962b2021-06-01T00:58:35ZengMDPI AGCoatings2079-64122021-05-011162962910.3390/coatings11060629Aluminum Powder Preparation for Additive Manufacturing Using Electrostatic ClassificationAlexander S. Shinkaryov0Margarita V. Cherkasova1Ivan A. Pelevin2Dmitriy Yu. Ozherelkov3Stanislav V. Chernyshikhin4Natalia A. Kharitonova5Alexander A. Gromov6Anton Yu. Nalivaiko7Catalysis Lab, National University of Science and Technology MISIS, 119991 Moscow, RussiaScientific Department, Research & Engineering Corporation Mekhanobr-Tekhnika, 199106 Saint Petersburg, RussiaCatalysis Lab, National University of Science and Technology MISIS, 119991 Moscow, RussiaCatalysis Lab, National University of Science and Technology MISIS, 119991 Moscow, RussiaCenter for Design, Manufacturing and Materials, Skolkovo Institute of Science and Technology, 121205 Moscow, RussiaCatalysis Lab, National University of Science and Technology MISIS, 119991 Moscow, RussiaCatalysis Lab, National University of Science and Technology MISIS, 119991 Moscow, RussiaCatalysis Lab, National University of Science and Technology MISIS, 119991 Moscow, RussiaThis work aims to study the possibility of using an electrostatic drum-type separator to prepare a powder with a narrow size distribution curve for usage in additive manufacturing. The size distributions of the uncoated commercial aluminum powders ASP-30, ASP-22, and ASP-5 were analyzed. It was shown that the powders ASP-30 and ASP-22 have similar asymmetric distributions with a SPAN of 1.480 and 1.756, respectively. ASP-5 powder, in turn, has a narrow distribution with a SPAN of 0.869. ASP-30 powder was chosen for further experiment because, traditionally, separators are used to classify large-sized materials with particle size more than 100 μm. The optimal mode of electrostatic classification was proposed for the selected powder. Various classification methods, including centrifugal and electrostatic, were compared. The powders before and after classification were studied by XRD, SEM, TEM, and TG–DSC analyses. The obtained results showed that electrostatic classification does not lead to the formation of coatings on the processed powders. Electrostatic separation effectively narrows the particle size distribution, making it a suitable and valuable method to classify initial powders for additive manufacturing.https://www.mdpi.com/2079-6412/11/6/629aluminum powderelectrostatic classificationaluminacoatingoxide layeradditive manufacturing |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Alexander S. Shinkaryov Margarita V. Cherkasova Ivan A. Pelevin Dmitriy Yu. Ozherelkov Stanislav V. Chernyshikhin Natalia A. Kharitonova Alexander A. Gromov Anton Yu. Nalivaiko |
spellingShingle |
Alexander S. Shinkaryov Margarita V. Cherkasova Ivan A. Pelevin Dmitriy Yu. Ozherelkov Stanislav V. Chernyshikhin Natalia A. Kharitonova Alexander A. Gromov Anton Yu. Nalivaiko Aluminum Powder Preparation for Additive Manufacturing Using Electrostatic Classification Coatings aluminum powder electrostatic classification alumina coating oxide layer additive manufacturing |
author_facet |
Alexander S. Shinkaryov Margarita V. Cherkasova Ivan A. Pelevin Dmitriy Yu. Ozherelkov Stanislav V. Chernyshikhin Natalia A. Kharitonova Alexander A. Gromov Anton Yu. Nalivaiko |
author_sort |
Alexander S. Shinkaryov |
title |
Aluminum Powder Preparation for Additive Manufacturing Using Electrostatic Classification |
title_short |
Aluminum Powder Preparation for Additive Manufacturing Using Electrostatic Classification |
title_full |
Aluminum Powder Preparation for Additive Manufacturing Using Electrostatic Classification |
title_fullStr |
Aluminum Powder Preparation for Additive Manufacturing Using Electrostatic Classification |
title_full_unstemmed |
Aluminum Powder Preparation for Additive Manufacturing Using Electrostatic Classification |
title_sort |
aluminum powder preparation for additive manufacturing using electrostatic classification |
publisher |
MDPI AG |
series |
Coatings |
issn |
2079-6412 |
publishDate |
2021-05-01 |
description |
This work aims to study the possibility of using an electrostatic drum-type separator to prepare a powder with a narrow size distribution curve for usage in additive manufacturing. The size distributions of the uncoated commercial aluminum powders ASP-30, ASP-22, and ASP-5 were analyzed. It was shown that the powders ASP-30 and ASP-22 have similar asymmetric distributions with a SPAN of 1.480 and 1.756, respectively. ASP-5 powder, in turn, has a narrow distribution with a SPAN of 0.869. ASP-30 powder was chosen for further experiment because, traditionally, separators are used to classify large-sized materials with particle size more than 100 μm. The optimal mode of electrostatic classification was proposed for the selected powder. Various classification methods, including centrifugal and electrostatic, were compared. The powders before and after classification were studied by XRD, SEM, TEM, and TG–DSC analyses. The obtained results showed that electrostatic classification does not lead to the formation of coatings on the processed powders. Electrostatic separation effectively narrows the particle size distribution, making it a suitable and valuable method to classify initial powders for additive manufacturing. |
topic |
aluminum powder electrostatic classification alumina coating oxide layer additive manufacturing |
url |
https://www.mdpi.com/2079-6412/11/6/629 |
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