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Developing Processing Parameters and Characterizing Microstructure and Properties of an Additively Manufactured FeCrMoBC Metallic Glass Forming Alloy

Hofmann, Douglas C. and Bordeenithikasem, Punnathat and Pate, Andre and Roberts, Scott N. and Vogli, Evelina (2018) Developing Processing Parameters and Characterizing Microstructure and Properties of an Additively Manufactured FeCrMoBC Metallic Glass Forming Alloy. Advanced Engineering Materials, 20 (10). Art. No. 1800433. ISSN 1438-1656. https://resolver.caltech.edu/CaltechAUTHORS:20190328-180955059

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Abstract

Powder bed fusion (PBF) processing parameters are developed for a FeCrMoBC glass‐forming alloy. Although bulk metallic glass parts are successfully fabricated using additive manufacturing, the porosity is too high for imparting good mechanical properties. The processing is tuned to create a fully‐dense, dendrite‐reinforced metal‐matrix composite with low hardness and high indentation fracture toughness. Microstructures and properties of the printed alloy are compared to bulk amorphous samples made through thermal spray additive manufacturing (TSAM). The work shows that printing glass‐forming alloys can result in tunable properties based on the cooling rate, porosity, and composite microstructures.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1002/adem.201800433DOIArticle
ORCID:
AuthorORCID
Bordeenithikasem, Punnathat0000-0002-0590-2447
Additional Information:© 2018 WILEY-VCH. Manuscript received: 24 April 2018. Manuscript accepted: 05 June 2018. Version of Record online: 26 June 2018. Issue Online: 18 October 2018.
Funders:
Funding AgencyGrant Number
NASA Postdoctoral ProgramUNSPECIFIED
NASANNH10ZTT001N
Subject Keywords:additive manufacturing; bulk metallic glasses; high velocity oxygen fuel; laser powder bed fusion; thermal spray
Issue or Number:10
Record Number:CaltechAUTHORS:20190328-180955059
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190328-180955059
Official Citation:Hofmann, D. C., Bordeenithikasem, P. , Pate, A. , Roberts, S. N. and Vogli, E. (2018), Developing Processing Parameters and Characterizing Microstructure and Properties of an Additively Manufactured FeCrMoBC Metallic Glass Forming Alloy. Adv. Eng. Mater., 20: 1800433. doi:10.1002/adem.201800433
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:94279
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:29 Mar 2019 17:07
Last Modified:03 Oct 2019 21:02

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