Mechanical Properties of TiTaHfNbZr High-Entropy Alloy Coatings Deposited on NiTi Shape Memory Alloy Substrates

Motallebzadeh, Amir; Yağcı, M. Barış; Bedir, E.; Aksoy, C. B.; Canadinç, D.

doi:10.1007/s11661-018-4605-4

Cited by 37 publications

(8 citation statements)

References 48 publications

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“…In some cases, the intermediate R-phase with a rhombic structure has low transformation strain and low thermal hysteresis. The R-phase can occur in Ni-rich alloys or due to the addition of some other elements into the alloy such as Fe [50].…”

Section: Resultsmentioning

confidence: 99%

Investigation of shape memory effect in Ni-Ti based alloys

et al. 2021

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Shape memory alloys (SMAs) are ones which can return to their original shape under impact of temperature or external magnetic field. The SMAs are capable of many applications in the fields of biomedical, aerospace, microelectronics, automation, for examples, orthodontics, stents, bone anchors, automatic valves, heat sensors, nanotweezers, robots... Recently, researchers have discovered the shape memory effect (SME) on high entropy alloys (HEAs). The combination of superior properties of SMAs and HEAs (high strength, heat resistance, low diffusion coefficient...) would bring useful practical applications in practice. In this paper, we will present an overview of the research situation of SMAs and our initial results obtained on Ni-Ti based alloys of Ni-Ti, Ni-Ti-Zr-Cu-Cr, Ni-Ti-Zr-Cu-Co, Ni-Ti-Zr-Cu-Nb, and Ni-Ti-Zr-Cu-Hf prepared by melt-spinning method.

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Section: Resultsmentioning

confidence: 99%

Investigation of shape memory effect in Ni-Ti based alloys

et al. 2021

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“…Recently, MPEAs have attracted a widespread attention from medicine and the related area due to their excellent mechanical properties and biocompatibility. The equimolar TiTaNbZrHf MPEA is first proposed as a medical-coating material used in NiTi-based SMAs (Motallebzadeh et al, 2018;Aksoy et al, 2019). Compared with the bare NiTi-based SMAs, the MPEA-coated NiTi-based SMAs keep the release amount of Ni ions below the safe value of 9 ppm in both the artificial saliva and gastric fluid after the 28 days static immersion.…”

Section: Medical Coatingmentioning

confidence: 99%

A Focused Review on Engineering Application of Multi-Principal Element Alloy

et al. 2022

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Compared with traditional alloys with one principal component up to 40–90%, multi-principal element alloys (MPEAs) were born in the complicated intermingling of traditional and non-traditional physical metallurgy, and brings us a great amount of excellent performances. Here, we would briefly summarize the potential applications in some key areas, which is helpful for latecomers to quickly and comprehensively understand this new alloy system. Especially, the applications of MPEAs in aerospace, industrial equipment, national defense, energy, navigation and so on are discussed roughly. Subsequently, several emerging areas have also been compared. Finally, some suggestions are given for the future development trend.

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“…In 2019, Tüten et al [50] followed a previous study that first explored radio frequency (RF) magnetron sputtering using TiTaHfNbZr equimolar targets on NiTi substrates, but did not the analyze wear and corrosion resistances [51]. Tüten studied the equimolar TiTaHfN-bZr high-entropy alloy thin film deposited on a Ti6Al4V substrate by RF magnetron sputtering.…”

Section: Coatingsmentioning

confidence: 99%

An Overview of High-Entropy Alloys as Biomaterials

Castro

Rocha

Baptista

et al. 2021

Metals

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High-entropy alloys (HEAs) have been around since 2004. The breakthroughs in this field led to several potential applications of these alloys as refractory, structural, functional, and biomedical materials. In this work, a short overview on the concept of high-entropy alloys is provided, as well as the theoretical design approach. The special focus of this review concerns one novel class of these alloys: biomedical high-entropy alloys. Here, a literature review on the potential high-entropy alloys for biomedical applications is presented. The characteristics that are required for these alloys to be used in biomedical-oriented applications, namely their mechanical and biocompatibility properties, are discussed and compared to commercially available Ti6Al4V. Different processing routes are also discussed.

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Mechanical Properties of TiTaHfNbZr High-Entropy Alloy Coatings Deposited on NiTi Shape Memory Alloy Substrates

Cited by 37 publications

References 48 publications

Investigation of shape memory effect in Ni-Ti based alloys

Investigation of shape memory effect in Ni-Ti based alloys

A Focused Review on Engineering Application of Multi-Principal Element Alloy

An Overview of High-Entropy Alloys as Biomaterials

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