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  Oxidation behavior of low-cost CP–Ti powders for additive manufacturing via fluidization

Ding, W., Wang, Z., Chen, G., Cai, W., Zhang, C., Tao, Q., et al. (2021). Oxidation behavior of low-cost CP–Ti powders for additive manufacturing via fluidization. Corrosion Science, 178: 109080. doi:10.1016/j.corsci.2020.109080.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0009-70F1-8 Version Permalink: https://hdl.handle.net/21.11116/0000-0009-70F2-7
Genre: Journal Article

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 Creators:
Ding, Wangwang1, Author
Wang, Zhangwei2, Author           
Chen, Gang1, Author
Cai, Wei3, Author
Zhang, Cong4, Author
Tao, Qiying1, Author
Qu, Xuanhui1, Author
Qin, Mingli1, Author
Affiliations:
1Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, PR China, ou_persistent22              
2High-Entropy Alloys, Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_3010672              
3Department of Mechanical Engineering, Stanford University, Stanford, CA 94305-4040, USA, ou_persistent22              
4Collaborative Innovation Center of Steel Technology, University of Science and Technology Beijing, Beijing 100083, PR China, ou_persistent22              

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Free keywords: 3D printers; Additives; Cost effectiveness; Costs; Fluidization; Oxidation; Oxide minerals; Oxygen; Thermodynamics; Titanium dioxide; Titanium metallography, Cost effective; Gas-solid fluidization; Kinetics and thermodynamics; Oxidation behaviors; Oxidation mechanisms; Oxide layer; Oxygen gradients; Powder surface, Powders
 Abstract: Gas-solid fluidization is an innovative route to produce cost-effective HDH CP-Ti powders for additive manufacturing. Herein, oxidation behavior of Ti powders after fluidization was investigated with a particular emphasis on the oxide layer in the powder surface. The oxide layer consists of TiO2, Ti2O3 and TiO with overlapping distributions, exhibiting an oxygen gradient from the outer powder surface to the oxide-Ti(O) interface. Underlying oxidation mechanisms of powders were uncovered by the analysis of kinetics and thermodynamics. A model was established to verify the oxygen pick-up of powders. This study is beneficial for the oxidation control of Ti powders during fluidization. © 2020 Elsevier Ltd

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Language(s): eng - English
 Dates: 2021-01
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.corsci.2020.109080
 Degree: -

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Title: Corrosion Science
  Abbreviation : Corros. Sci.
Source Genre: Journal
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Publ. Info: Amsterdam : Pergamon
Pages: - Volume / Issue: 178 Sequence Number: 109080 Start / End Page: - Identifier: ISSN: 0010-938X
CoNE: https://pure.mpg.de/cone/journals/resource/954925393343