Effect of heat treatment on cobalt-chromium-molybdenum alloy fabricated by selective laser melting

Cobalt-chromium-molybdenum (CoCrMo) alloys have excellent corrosion resistance, biocompatibility and strength. As such, they have been widely used in dental applications, such as removable partial dentures, metal frames, customized abutments, crowns and bridges in the anterior and posterior regio...

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Main Authors: Sing, Swee Leong, Yeong, Wai Yee
Other Authors: School of Mechanical and Aerospace Engineering
Format: Conference Paper
Language:English
Published: 2018
Subjects:
Online Access:https://hdl.handle.net/10356/88726
http://hdl.handle.net/10220/45884
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author Sing, Swee Leong
Yeong, Wai Yee
author2 School of Mechanical and Aerospace Engineering
author_facet School of Mechanical and Aerospace Engineering
Sing, Swee Leong
Yeong, Wai Yee
author_sort Sing, Swee Leong
collection NTU
description Cobalt-chromium-molybdenum (CoCrMo) alloys have excellent corrosion resistance, biocompatibility and strength. As such, they have been widely used in dental applications, such as removable partial dentures, metal frames, customized abutments, crowns and bridges in the anterior and posterior regions. The capability of selective laser melting (SLM), a powder bed fusion additive manufacturing process, to produce customizable products have led to extensive research of using this process for applications in the biomedical field. Several works have been reported on the production of CoCrMo alloys using SLM for various implants. However, there is still limited information on the effect of post process heat treatment on SLM CoCrMo alloys. In this paper, ASTM F75 CoCrMo alloy is fabricated using SLM and underwent heat treatment originally designed for casted ASTM F75 CoCrMo alloy. The mechanical properties of heat treated SLM produced CoCrMo parts are reported and benchmarked against their casted counterparts.
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spelling ntu-10356/887262020-09-24T20:11:02Z Effect of heat treatment on cobalt-chromium-molybdenum alloy fabricated by selective laser melting Sing, Swee Leong Yeong, Wai Yee School of Mechanical and Aerospace Engineering Proceedings of the 3rd International Conference on Progress in Additive Manufacturing (Pro-AM 2018) Singapore Centre for 3D Printing Additive Manufacturing DRNTU::Engineering::Mechanical engineering::Prototyping 3D Printing Cobalt-chromium-molybdenum (CoCrMo) alloys have excellent corrosion resistance, biocompatibility and strength. As such, they have been widely used in dental applications, such as removable partial dentures, metal frames, customized abutments, crowns and bridges in the anterior and posterior regions. The capability of selective laser melting (SLM), a powder bed fusion additive manufacturing process, to produce customizable products have led to extensive research of using this process for applications in the biomedical field. Several works have been reported on the production of CoCrMo alloys using SLM for various implants. However, there is still limited information on the effect of post process heat treatment on SLM CoCrMo alloys. In this paper, ASTM F75 CoCrMo alloy is fabricated using SLM and underwent heat treatment originally designed for casted ASTM F75 CoCrMo alloy. The mechanical properties of heat treated SLM produced CoCrMo parts are reported and benchmarked against their casted counterparts. NRF (Natl Research Foundation, S’pore) Published version 2018-09-07T02:23:36Z 2019-12-06T17:09:42Z 2018-09-07T02:23:36Z 2019-12-06T17:09:42Z 2018 Conference Paper Sing, S. L., & Yeong, W. Y. (2018). Effect of heat treatment on cobalt-chromium-molybdenum alloy fabricated by selective laser melting. Proceedings of the 3rd International Conference on Progress in Additive Manufacturing (Pro-AM 2018), 458-463. doi:10.25341/D4NP43 https://hdl.handle.net/10356/88726 http://hdl.handle.net/10220/45884 10.25341/D4NP43 en © 2018 Nanyang Technological University. Published by Nanyang Technological University, Singapore. 6 p. application/pdf
spellingShingle Additive Manufacturing
DRNTU::Engineering::Mechanical engineering::Prototyping
3D Printing
Sing, Swee Leong
Yeong, Wai Yee
Effect of heat treatment on cobalt-chromium-molybdenum alloy fabricated by selective laser melting
title Effect of heat treatment on cobalt-chromium-molybdenum alloy fabricated by selective laser melting
title_full Effect of heat treatment on cobalt-chromium-molybdenum alloy fabricated by selective laser melting
title_fullStr Effect of heat treatment on cobalt-chromium-molybdenum alloy fabricated by selective laser melting
title_full_unstemmed Effect of heat treatment on cobalt-chromium-molybdenum alloy fabricated by selective laser melting
title_short Effect of heat treatment on cobalt-chromium-molybdenum alloy fabricated by selective laser melting
title_sort effect of heat treatment on cobalt chromium molybdenum alloy fabricated by selective laser melting
topic Additive Manufacturing
DRNTU::Engineering::Mechanical engineering::Prototyping
3D Printing
url https://hdl.handle.net/10356/88726
http://hdl.handle.net/10220/45884
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AT yeongwaiyee effectofheattreatmentoncobaltchromiummolybdenumalloyfabricatedbyselectivelasermelting