Effect of annealing on mechanical properties and thermal stability of ZrCu/O nanocomposite amorphous films synthetized by pulsed laser deposition

Bignoli, Francesco; Rashid, Saqib; Rossi, Edoardo; Jaddi, Sahar; Djémia, Philippe; Terraneo, Giancarlo; Bassi, Andrea; Idrissi, Hosni; Pardoen, Thomas; Sebastiani, Marco; Ghidelli, Matteo

doi:10.1016/j.matdes.2022.110972

Cited by 10 publications

(6 citation statements)

References 52 publications

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“…The large H / E value indicating that the material has high resist plastic deformation, and the most durable MGs can be used for many applications, which were annealed at different times individually to obtain heat-dependent surface properties. The mechanical properties observed in this research are comparable to the previous works. , …”

Section: Resultssupporting

confidence: 90%

Annealing Effect on Mechanical and Tribological Behaviors of Nanoscale Mechanics of Zr₆₀Cu₂₅Al₅Ag₅Ni₅ Thin-Layer Metallic Glasses for Engineering Materials Applications

Muhabie,

Girma

2023

ACS Omega

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A new and unique alloy formulation design strategy has been developed in order to fabricate thin-layered metallic glasses (TLMGs) with superior fracture resistance and low coefficient of friction (COF) during the nanoscratching test. Due to the outstanding properties, TFMG could be applied for different uses, such as for surface coating, biomedical, bioimprinting, electronic devices, spacecraft, and railway, all of which need surface fracture resistance. The fabricated Zr-based metallic glass was prepared from Zr, Al, Cu, Ni, and Ag above 99.9 Wt % in purity by arch melting techniques. TFMGs were coated on silicon wafer by sputtering the vapor deposition method from bulk metallic glass then annealed below glass transition temperature T g ∼ 450 °C for 10, 30, and 60 min. Nanoindentation and nanoscratch tests were used to investigate nanomechanical and nanotribological properties, and atomic force microscopy (AFM) was used to examine the surface morphology and microstructures of TLMG. The nanoindentation data indicated that the average hardness of metallic glasses increased from 9.75 (as-cast MG) to 13.4 GPa (annealed for 60 min). Coefficients of friction for the cast sample, annealed for unannealed, 10, 30, and 60 min, were 0.062, 0.049, 0.039, and 0.03, respectively, as well as the wear depths were 201. 56, 148.43, 37.32, and 25.27 nm, respectively. These studies show that the coefficient of friction and wear rate decreases when the annealing time increases as a result of atomic reordering and structural relaxation that occurred at longer annealing times. Furthermore, continuous wear process, wear depth, wear track volume, and contact area decrease with increasing annealing time. This study can be used to design protocols to prepare novel TLMGs, which have outstanding mechanical and tribological properties for engineering materials applications.

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Section: Resultssupporting

confidence: 90%

Annealing Effect on Mechanical and Tribological Behaviors of Nanoscale Mechanics of Zr₆₀Cu₂₅Al₅Ag₅Ni₅ Thin-Layer Metallic Glasses for Engineering Materials Applications

Muhabie,

Girma

2023

ACS Omega

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“…Extended amorphisation during deposition contributes to the development of a glass-like structure. The change in the morphology with working pressure is very similar to that reported by Bignoli et al [38]. The authors induce the formation of dense or nanogranular cluster-assembled films by changing the working pressure.…”

Section: Effect Of Substrate Temperature On the Structure And Propert...supporting

confidence: 87%

“…As previously mentioned, the deposition at high substrate temperatures hinders the formation of columnar characterisation and transforms it into a dense glass-like structure. Several literatures reported that glass-like structure exhibited a smaller free volume content with respect to columnar structure [38,42], which is responsible for the increased film hardness [20,31]. Figure 6(b) shows the electrical conductivity of ZrAlNiCu films deposited at various substrate temperatures.…”

Section: Resultsmentioning

confidence: 99%

Structure and characteristic studies of ZrAlNiCu films prepared by magnetron sputtering

Tsai

Chen

Huang

et al. 2023

Materials Science and Technology

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This study explores the influence of process parameters on the structural, mechanical, and electrical properties of ZrAlNiCu alloy and nitride film obtained by magnetron sputtering of a single Zr51Al11Ni4Cu34 target. Selected variables affecting the process are working pressure, substrate temperature, and nitrogen partial pressure. Almost all films are amorphous except for nitride films deposited at moderate nitrogen partial pressure, which consist of the FCC-ZrN nanophase. A low working pressure and high substrate temperature result in refined boundary interfaces, thus increasing their hardness and electrical conductivity. Nitride films have higher hardness and lower electrical conductivity than alloy films because of their strong ionic metal-N bonding. Thus, the formation of FCC-ZrN nanocrystals is conducive to the further improvement of hardness.

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“…The amorphous nature of the films can have both advantages and disadvantages. For example, amorphous films can have improved mechanical properties, such as hardness, compared to crystalline films [ 72 , 73 ]. On the other hand, the stability and long-term behavior of amorphous films are not well understood, and they can be prone to degradation over time [ 74 ].…”

Section: Resultsmentioning

confidence: 99%

Improving Pure Titanium’s Biological and Mechanical Characteristics through ECAP and Micro-Arc Oxidation Processes

Alemayehu,

Todoh,

Hsieh

et al. 2023

Micromachines

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Pure titanium is limited to be used in biomedical applications due to its lower mechanical strength compared to its alloy counterpart. To enhance its properties and improve medical implants feasibility, advancements in titanium processing technologies are necessary. One such technique is equal-channel angular pressing (ECAP) for its severe plastic deformation (SPD). This study aims to surface modify commercially pure titanium using micro-arc oxidation (MAO) or plasma electrolytic oxidation (PEO) technologies, and mineral solutions containing Ca and P. The composition, metallography, and shape of the changed surface were characterized using X-ray diffraction (XRD), digital optical microscopy (OM), and scanning electron microscope (SEM), respectively. A microhardness test is conducted to assess each sample’s mechanical strength. The weight % of Ca and P in the coating was determined using energy dispersive spectroscopy (EDS), and the corrosion resistance was evaluated through potentiodynamic measurement. The behavior of human dental pulp cell and periodontal cell behavior was also studied through a biomedical experiment over a period of 1-, 3-, and 7-days using culture medium, and the cell death and viability can be inferred with the help of enzyme-linked immunosorbent assay (ELISA) since it can detect proteins or biomarkers secreted by cells undergoing apoptosis or necrosis. This study shows that the mechanical grain refinement method and surface modification might improve the mechanical and biomechanical properties of commercially pure (CP) titanium. According to the results of the corrosion loss measurements, 2PassMAO had the lowest corrosion rate, which is determined to be 0.495 mmpy. The electrode potentials for the 1-pass and 2-pass coated samples are 1.44 V and 1.47 V, respectively. This suggests that the coating is highly effective in reducing the corrosion rate of the metallic CP Ti sample. Changes in the grain size and the presence of a high number of grain boundaries have a significant impact on the corrosion resistance of CP Ti. For ECAPED and surface-modified titanium samples in a 3.6% NaCl electrolyte solution, electrochemical impedance spectroscopy (EIS) properties are similar to Nyquist and Bode plot fitting. In light of ISO 10993-5 guidelines for assessing in vitro cytotoxicity, this study contributes valuable insights into pulp and periodontal cell behavior, focusing specifically on material cytotoxicity, a critical factor determined by a 30% decrease in cell viability.

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Effect of annealing on mechanical properties and thermal stability of ZrCu/O nanocomposite amorphous films synthetized by pulsed laser deposition

Cited by 10 publications

References 52 publications

Annealing Effect on Mechanical and Tribological Behaviors of Nanoscale Mechanics of Zr₆₀Cu₂₅Al₅Ag₅Ni₅ Thin-Layer Metallic Glasses for Engineering Materials Applications

Annealing Effect on Mechanical and Tribological Behaviors of Nanoscale Mechanics of Zr₆₀Cu₂₅Al₅Ag₅Ni₅ Thin-Layer Metallic Glasses for Engineering Materials Applications

Structure and characteristic studies of ZrAlNiCu films prepared by magnetron sputtering

Improving Pure Titanium’s Biological and Mechanical Characteristics through ECAP and Micro-Arc Oxidation Processes

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Effect of annealing on mechanical properties and thermal stability of ZrCu/O nanocomposite amorphous films synthetized by pulsed laser deposition

Cited by 10 publications

References 52 publications

Annealing Effect on Mechanical and Tribological Behaviors of Nanoscale Mechanics of Zr60Cu25Al5Ag5Ni5 Thin-Layer Metallic Glasses for Engineering Materials Applications

Annealing Effect on Mechanical and Tribological Behaviors of Nanoscale Mechanics of Zr60Cu25Al5Ag5Ni5 Thin-Layer Metallic Glasses for Engineering Materials Applications

Structure and characteristic studies of ZrAlNiCu films prepared by magnetron sputtering

Improving Pure Titanium’s Biological and Mechanical Characteristics through ECAP and Micro-Arc Oxidation Processes

Contact Info

Product

Resources

About

Annealing Effect on Mechanical and Tribological Behaviors of Nanoscale Mechanics of Zr₆₀Cu₂₅Al₅Ag₅Ni₅ Thin-Layer Metallic Glasses for Engineering Materials Applications

Annealing Effect on Mechanical and Tribological Behaviors of Nanoscale Mechanics of Zr₆₀Cu₂₅Al₅Ag₅Ni₅ Thin-Layer Metallic Glasses for Engineering Materials Applications