Process development and characterization of additively manufactured nickel-titanium shape memory parts

Jason M. Walker; Christoph Haberland; Mohsen Taheri Andani; Haluk Ersin Karaca; David Dean; Mohammad Elahinia

doi:10.1177/1045389X16635848

Process development and characterization of additively manufactured nickel-titanium shape memory parts

Jason M. Walker, Christoph Haberland, Mohsen Taheri Andani, Haluk Ersin Karaca, David Dean, Mohammad Elahinia

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

78 Scopus citations

Abstract

Additive manufacturing of nickel-titanium has two distinct advantages over conventional methods. It circumvents the difficulties associated with machining of nickel-titanium and it provides a freedom-of-design that conventional processing cannot match. In this article, we analyze the effects of processing parameters on the structural and functional outcomes of selective laser melted nickel-titanium parts. Notably, we expand the parametric envelope compared to the previous studies by utilizing a higher power 300 W laser. Optimal process parameters are identified for additively manufacturing of nickel-titanium parts with verified shape memory behavior and complex structures with accurate features are fabricated.

Original language	English
Pages (from-to)	2653-2660
Number of pages	8
Journal	Journal of Intelligent Material Systems and Structures
Volume	27
Issue number	19
DOIs	https://doi.org/10.1177/1045389X16635848
State	Published - Nov 1 2016

Keywords

Nickel-titanium
Nitinol
additive manufacturing
selective laser melting
shape memory alloys

ASJC Scopus subject areas

Materials Science (all)
Mechanical Engineering

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10.1177/1045389X16635848

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title = "Process development and characterization of additively manufactured nickel-titanium shape memory parts",

abstract = "Additive manufacturing of nickel-titanium has two distinct advantages over conventional methods. It circumvents the difficulties associated with machining of nickel-titanium and it provides a freedom-of-design that conventional processing cannot match. In this article, we analyze the effects of processing parameters on the structural and functional outcomes of selective laser melted nickel-titanium parts. Notably, we expand the parametric envelope compared to the previous studies by utilizing a higher power 300 W laser. Optimal process parameters are identified for additively manufacturing of nickel-titanium parts with verified shape memory behavior and complex structures with accurate features are fabricated.",

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AU - Walker, Jason M.

AU - Haberland, Christoph

AU - Taheri Andani, Mohsen

AU - Karaca, Haluk Ersin

AU - Dean, David

AU - Elahinia, Mohammad

PY - 2016/11/1

Y1 - 2016/11/1

N2 - Additive manufacturing of nickel-titanium has two distinct advantages over conventional methods. It circumvents the difficulties associated with machining of nickel-titanium and it provides a freedom-of-design that conventional processing cannot match. In this article, we analyze the effects of processing parameters on the structural and functional outcomes of selective laser melted nickel-titanium parts. Notably, we expand the parametric envelope compared to the previous studies by utilizing a higher power 300 W laser. Optimal process parameters are identified for additively manufacturing of nickel-titanium parts with verified shape memory behavior and complex structures with accurate features are fabricated.

AB - Additive manufacturing of nickel-titanium has two distinct advantages over conventional methods. It circumvents the difficulties associated with machining of nickel-titanium and it provides a freedom-of-design that conventional processing cannot match. In this article, we analyze the effects of processing parameters on the structural and functional outcomes of selective laser melted nickel-titanium parts. Notably, we expand the parametric envelope compared to the previous studies by utilizing a higher power 300 W laser. Optimal process parameters are identified for additively manufacturing of nickel-titanium parts with verified shape memory behavior and complex structures with accurate features are fabricated.

KW - Nickel-titanium

KW - Nitinol

KW - additive manufacturing

KW - selective laser melting

KW - shape memory alloys

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Process development and characterization of additively manufactured nickel-titanium shape memory parts

Abstract

Keywords

ASJC Scopus subject areas

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