Investigating the elastocaloric effect of the NiTi fabricated by laser powder bed fusion: Effect of the building orientation

Kordizadeh, Fatemeh; Mohajerani, Shiva; Safaei, Keyvan; Andani, Nasrin Taheri; Pourshams, Mohammad; Abdollahzadeh, Mohammad Javad; Elahinia, Mohammad

doi:10.1016/j.mtla.2023.101817

Cited by 8 publications

(2 citation statements)

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“…This intricate process typically occurs within a preheated chamber under controlled temperature and atmosphere, often involving an inert gas depending on the specific material and processing parameters. Notably, variations in these parameters significantly influence the final product’s properties, encompassing its microstructure, mechanics, and even physicochemical characteristics [ 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 ].…”

Section: Production Of Niti and Methods Of Additive Manufacturingmentioning

confidence: 99%

“…Horizontal printing with alternating x/y scanning yielded the highest tensile strength (606 MPa) and elongation (6.8%), with comparable strain recovery, while ±45° scanning deteriorated these properties [ 63 , 67 ]. Loading direction based on deposition also plays a key role, with XY specimens loaded perpendicular to layers exhibiting superior tensile properties compared to ZX specimens loaded parallel [ 38 , 63 , 67 ].…”

Section: Effect Of Am Technologies On the Propertiesmentioning

confidence: 99%

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A Review on Additive Manufacturing Methods for NiTi Shape Memory Alloy Production

Kubášová,

Drátovská,

Losertová

et al. 2024

Materials

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The NiTi alloy, known as Nitinol, represents one of the most investigated smart alloys, exhibiting a shape memory effect and superelasticity. These, among many other remarkable attributes, enable its utilization in various applications, encompassing the automotive industry, aviation, space exploration, and, notably, medicine. Conventionally, Nitinol is predominantly produced in the form of wire or thin sheets that allow producing many required components. However, the manufacturing of complex shapes poses challenges due to the tenacity of the NiTi alloy, and different processing routes at elevated temperatures have to be applied. Overcoming this obstacle may be facilitated by additive manufacturing methods. This article provides an overview of the employment of additive manufacturing methods, allowing the preparation of the required shapes of Nitinol products while retaining their exceptional properties and potential applications.

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