The use of inorganic process control agents to mill titanium‑niobium powders suitable for the selective laser melting process

Alloying titanium (Ti) with niobium (Nb) offers the ability to develop a low-stiffness Ti alloy. The established methodologies for the fabrication of powders suitable for SLM processes are based on atomisation processes, which require high volume powder production to be financially viable. Consequen...

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Main Authors:	James Borgman, Paul Conway, Carmen Torres
Format:	Default Article
Published:	2022
Subjects:	Mechanical engineering not elsewhere classified Ball milling Selective laser melting Mechanical alloying Titanium Calcium Mechanical Engineering
Online Access:	https://hdl.handle.net/2134/19825069.v1
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id	rr-article-19825069
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spelling	rr-article-198250692022-05-22T00:00:00Z The use of inorganic process control agents to mill titanium‑niobium powders suitable for the selective laser melting process James Borgman (5596973) Paul Conway (1249635) Carmen Torres (1259328) Mechanical engineering not elsewhere classified Ball milling Selective laser melting Mechanical alloying Titanium Calcium Mechanical Engineering <p>Alloying titanium (Ti) with niobium (Nb) offers the ability to develop a low-stiffness Ti alloy. The established methodologies for the fabrication of powders suitable for SLM processes are based on atomisation processes, which require high volume powder production to be financially viable. Consequently, these are unsuited for small batches used in bespoke alloys (e.g., Ti-Nb alloys). This work highlights the potential for milled powders as a cheaper feedstock for the SLM process. When following the established practice of using organic PCAs, this leads to the creation of interstitial phases during SLM fabrication. To alleviate that, this study puts forward the use of inorganic PCAs, such as tin (Sn) and calcium (Ca), to produce SLM-suitable powder. The use of inorganic PCAs, especially Ca, is effective, rendering the resultant powder physical properties appropriate for the SLM process. These inorganic PCAs allow the fabrication of homogeneous Ti-Nb alloys with suitable hardness.</p> 2022-05-22T00:00:00Z Text Journal contribution 2134/19825069.v1 https://figshare.com/articles/journal_contribution/The_use_of_inorganic_process_control_agents_to_mill_titanium_niobium_powders_suitable_for_the_selective_laser_melting_process/19825069 CC BY 4.0
institution	Loughborough University
collection	Figshare
topic	Mechanical engineering not elsewhere classified Ball milling Selective laser melting Mechanical alloying Titanium Calcium Mechanical Engineering
spellingShingle	Mechanical engineering not elsewhere classified Ball milling Selective laser melting Mechanical alloying Titanium Calcium Mechanical Engineering James Borgman Paul Conway Carmen Torres The use of inorganic process control agents to mill titanium‑niobium powders suitable for the selective laser melting process
description	Alloying titanium (Ti) with niobium (Nb) offers the ability to develop a low-stiffness Ti alloy. The established methodologies for the fabrication of powders suitable for SLM processes are based on atomisation processes, which require high volume powder production to be financially viable. Consequently, these are unsuited for small batches used in bespoke alloys (e.g., Ti-Nb alloys). This work highlights the potential for milled powders as a cheaper feedstock for the SLM process. When following the established practice of using organic PCAs, this leads to the creation of interstitial phases during SLM fabrication. To alleviate that, this study puts forward the use of inorganic PCAs, such as tin (Sn) and calcium (Ca), to produce SLM-suitable powder. The use of inorganic PCAs, especially Ca, is effective, rendering the resultant powder physical properties appropriate for the SLM process. These inorganic PCAs allow the fabrication of homogeneous Ti-Nb alloys with suitable hardness.
format	Default Article
author	James Borgman Paul Conway Carmen Torres
author_facet	James Borgman Paul Conway Carmen Torres
author_sort	James Borgman (5596973)
title	The use of inorganic process control agents to mill titanium‑niobium powders suitable for the selective laser melting process
title_short	The use of inorganic process control agents to mill titanium‑niobium powders suitable for the selective laser melting process
title_full	The use of inorganic process control agents to mill titanium‑niobium powders suitable for the selective laser melting process
title_fullStr	The use of inorganic process control agents to mill titanium‑niobium powders suitable for the selective laser melting process
title_full_unstemmed	The use of inorganic process control agents to mill titanium‑niobium powders suitable for the selective laser melting process
title_sort	use of inorganic process control agents to mill titanium‑niobium powders suitable for the selective laser melting process
publishDate	2022
url	https://hdl.handle.net/2134/19825069.v1
_version_	1798272990111072256

The use of inorganic process control agents to mill titanium‑niobium powders suitable for the selective laser melting process

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