The role of nano-scale elastic heterogeneity in mechanical and tribological behaviors of a Cu–Zr based metallic glass thin film

Ma, Xindi; Ma, Jiang; Bian, Xilei; Tong, Xing; Han, Dongxue; Jia, Yandong; Wu, Shiwei; Zhang, Nizhen; Geng, Chao; Li, Peiyou; Wang, Qing; Zhang, Yi; Wang, Gang

doi:10.1016/j.intermet.2021.107159

Cited by 18 publications

(10 citation statements)

References 81 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The friction coefficient decreases with increasing annealing time in both conditions, which is in line with previous reports, demonstrating the possibility of reduction of friction coefficient by tuning the surface patterning with aging temperature . It is reported that most of the frictional work during the wear process creates heat energy, which modifies the tribological behaviors of Nanoscratched surfaces, such as forming delocalized free metal ions for chemical reordering or even heating interfacial contact materials …”

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

View full text Add to dashboard Cite

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.

show abstract

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

View full text Add to dashboard Cite

show abstract

“…According to the results, the constant load increment is accompanied with the rise of scratch depth. On the other hand, there exists no linear relation between the scratch distance and the scratch depth, which is similar to that reported in other works [29]. Figure 5(b) represents the scratch depth as a function of scratch distance for all the specimens.…”

Section: Resultssupporting

confidence: 87%

“…In the nano-scratch experiment, the profiles of scratch track were recorded in three different states, i.e. before scratch (D pre ), post scratching (D post ) and within scratch (D in-situ ), where the difference between D post and D in-situ is indicative of wear depth [29]. Figure 5(a) illustrates the D pre , D in-situ and D post curves for sample S0.…”

Section: Resultsmentioning

confidence: 99%

“…To obtain the dynamic response of samples, the indenting process was performed through the nano-DMA mode under the tip frequency of 200 Hz. The details for dynamic characterization of MGs via the nanoindentation test are given in [28][29][30]. Afterwards, the wear properties of samples were studied by the scratching test with a 2D-transducer mode of nanoindentation system, in which the precise data was recorded in the lateral and normal directions.…”

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Annealing-induced changes in wear resistance and nanomechanical properties of CuZr metallic glass thin films

Gao,

He,

Rathan

et al. 2023

Mater. Res. Express

View full text Add to dashboard Cite

Over recent years, metallic glass thin films (MGTFs) have found extensive applications in advanced micro-engineering systems. Consequently, there is a need to thoroughly assess the nanomechanical and tribological behaviors of MGTFs to optimize the design of efficient components. In this study, we employed the nanoindentation technique in various modes to investigate the elastic heterogeneity, tribological response, and mechanical properties of CuZr amorphous films. Before conducting the mechanical tests, annealing treatments at 500 K and 600 K were performed to create samples with different stored energies. The thermal history analysis revealed that the annealing process reduced the stored energy in the microstructure. Furthermore, the pre-annealing treatment resulted in increased hardness and Young's modulus of the thin films. Additionally, higher annealing temperatures significantly improved the wear resistance of the MGTFs. Observing the serration dynamics in the scratching test, we noticed that the annealing treatment induced larger shear bands on the wear track side. Moreover, the increase in annealing temperature led to a reduction in elastic heterogeneity, which was consistent with the enthalpy relaxation values in the samples. This suggests that the annealing temperature enhanced the densely packed atomic structure, leading to the stabilization of the thin films.

show abstract

“…where h is the full depth. Nano-scratch testing was carried out with a procedure previously used in our laboratory (Lemoine et al, 2004) and similar to that employed in many other thin film studies (Banday et al, 2021;Zhi et al, 2022;Ma et al, 2021). Compared to the nanoindentation study, we used a more acute diamond cube corner tip (semi-included apex angle = 45 • ) to increase strain and trigger brittle fracture.…”

Section: Methodsmentioning

confidence: 99%

Nanoindentation and Nano-Scratching of Hydroxyapatite Coatings for Resorbable Magnesium Alloy Bone Implant Applications

LEMOINE¹,

Acheson²,

McKillop³

et al. 2022

SSRN Journal

View full text Add to dashboard Cite

The role of nano-scale elastic heterogeneity in mechanical and tribological behaviors of a Cu–Zr based metallic glass thin film

Cited by 18 publications

References 81 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

Annealing-induced changes in wear resistance and nanomechanical properties of CuZr metallic glass thin films

Nanoindentation and Nano-Scratching of Hydroxyapatite Coatings for Resorbable Magnesium Alloy Bone Implant Applications

Contact Info

Product

Resources

About

The role of nano-scale elastic heterogeneity in mechanical and tribological behaviors of a Cu–Zr based metallic glass thin film

Cited by 18 publications

References 81 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

Annealing-induced changes in wear resistance and nanomechanical properties of CuZr metallic glass thin films

Nanoindentation and Nano-Scratching of Hydroxyapatite Coatings for Resorbable Magnesium Alloy Bone Implant Applications

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