Using the Cluster-Plus-Glue-Atom model to design the composition of low Young’s modulus β-Ti alloys for orthopaedic applications

The design and development of metastable β-type Ti alloys with low Young’s moduli (E) requires the use of multiple β-phase stabilising alloying elements. The most commonly used alloy development design strategies do not provide accurate composition design. Moreover, the process of developing alloys...

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Main Authors: Muchavi Noluntu, Raganya Lerato, Makhatha Elizabeth
Format: Article
Language:English
Published: EDP Sciences 2024-01-01
Series:MATEC Web of Conferences
Online Access:https://www.matec-conferences.org/articles/matecconf/pdf/2024/18/matecconf_rapdasa2024_03003.pdf
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author Muchavi Noluntu
Raganya Lerato
Makhatha Elizabeth
author_facet Muchavi Noluntu
Raganya Lerato
Makhatha Elizabeth
author_sort Muchavi Noluntu
collection DOAJ
description The design and development of metastable β-type Ti alloys with low Young’s moduli (E) requires the use of multiple β-phase stabilising alloying elements. The most commonly used alloy development design strategies do not provide accurate composition design. Moreover, the process of developing alloys is still based on empirical exploration, which is costly and time consuming. In this study, the cluster-plus-glue-atom (CPGA) model was employed in the composition design and interpretation of low-E, β-type Ti based alloys. Microstructure, phase analysis, Young’s modulus (mechanical testing and nano-indentation testing) of the as-cast alloys were investigated. The results demonstrated that the CPGA model was effective in formulating compositions which were able to simultaneously achieve high β-phase stability and low-E as exemplified by the [(Mo0.4Sn0.6) (Ti)14] (Nb)1 alloy which obtained a Young’s modulus of 59 GPa.
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publisher EDP Sciences
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spelling doaj-art-76fa6cdd3b6b4fa3aed53a2f6eb0de172025-08-20T01:58:49ZengEDP SciencesMATEC Web of Conferences2261-236X2024-01-014060300310.1051/matecconf/202440603003matecconf_rapdasa2024_03003Using the Cluster-Plus-Glue-Atom model to design the composition of low Young’s modulus β-Ti alloys for orthopaedic applicationsMuchavi Noluntu0Raganya Lerato1Makhatha Elizabeth2Advanced Materials and Engineering, Manufacturing Cluster, Council for Scientific and Industrial ResearchAdvanced Materials and Engineering, Manufacturing Cluster, Council for Scientific and Industrial ResearchDepartment of Metallurgy, School of Mining, Metallurgy and Chemical Engineering, University of JohannesburgThe design and development of metastable β-type Ti alloys with low Young’s moduli (E) requires the use of multiple β-phase stabilising alloying elements. The most commonly used alloy development design strategies do not provide accurate composition design. Moreover, the process of developing alloys is still based on empirical exploration, which is costly and time consuming. In this study, the cluster-plus-glue-atom (CPGA) model was employed in the composition design and interpretation of low-E, β-type Ti based alloys. Microstructure, phase analysis, Young’s modulus (mechanical testing and nano-indentation testing) of the as-cast alloys were investigated. The results demonstrated that the CPGA model was effective in formulating compositions which were able to simultaneously achieve high β-phase stability and low-E as exemplified by the [(Mo0.4Sn0.6) (Ti)14] (Nb)1 alloy which obtained a Young’s modulus of 59 GPa.https://www.matec-conferences.org/articles/matecconf/pdf/2024/18/matecconf_rapdasa2024_03003.pdf
spellingShingle Muchavi Noluntu
Raganya Lerato
Makhatha Elizabeth
Using the Cluster-Plus-Glue-Atom model to design the composition of low Young’s modulus β-Ti alloys for orthopaedic applications
MATEC Web of Conferences
title Using the Cluster-Plus-Glue-Atom model to design the composition of low Young’s modulus β-Ti alloys for orthopaedic applications
title_full Using the Cluster-Plus-Glue-Atom model to design the composition of low Young’s modulus β-Ti alloys for orthopaedic applications
title_fullStr Using the Cluster-Plus-Glue-Atom model to design the composition of low Young’s modulus β-Ti alloys for orthopaedic applications
title_full_unstemmed Using the Cluster-Plus-Glue-Atom model to design the composition of low Young’s modulus β-Ti alloys for orthopaedic applications
title_short Using the Cluster-Plus-Glue-Atom model to design the composition of low Young’s modulus β-Ti alloys for orthopaedic applications
title_sort using the cluster plus glue atom model to design the composition of low young s modulus β ti alloys for orthopaedic applications
url https://www.matec-conferences.org/articles/matecconf/pdf/2024/18/matecconf_rapdasa2024_03003.pdf
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AT makhathaelizabeth usingtheclusterplusglueatommodeltodesignthecompositionoflowyoungsmodulusbtialloysfororthopaedicapplications