Microstructure and properties of Cu-Sn-Zn-TiO2 nano-composite coatings on mild steel

Gao, Weidong; Cao, Di; Jin, Yunxue; Zhou, Xiaowei; Cheng, Guang; Wang, Yuxin

doi:10.1016/j.surfcoat.2018.04.046

Cited by 36 publications

(31 citation statements)

References 43 publications

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“…Figure 16 shows the comparison of tensile strength and electrical conductivity of Cu-Ni-Si system alloys and other kinds of copper alloys such as Cu-Be [34,35,36], Cu-Ti [37,38,39,40], Cu-Sn [41,42], Cu-Cr [24,43,44], Cu-Zr [45,46,47], Cu-Zn-Sn [48,49], and Cu-Cr-Zr [50,51]. The current development trend of copper alloys is mainly divided in three directions.…”

Section: Discussionmentioning

confidence: 99%

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Effect of Ni/Si Mass Ratio and Thermomechanical Treatment on the Microstructure and Properties of Cu-Ni-Si Alloys

Li¹,

Huang²,

Mi³

et al. 2019

Materials

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The effect of the Ni/Si mass ratio and combined thermomechanical treatment on the microstructure and properties of ternary Cu-Ni-Si alloys is discussed systematically. The Cu-Ni-Si alloy with a Ni/Si mass ratio of 4–5 showed good comprehensive properties. Precipitates with disc-like shapes were confirmed as the Ni2Si phase with orthorhombic structure through transmission electron microscopy, high-resolution transmission electron microscopy, and 3D atom probe characterization. After the appropriate thermomechanical treatment, the studied alloy with a Ni/Si mass ratio of 4.2 exhibited excellent mechanical properties: a hardness of 290 HV, tensile strength of 855 MPa, yield strength of 782 MPa, and elongation of 4.5%. Compared with other approaches, the thermomechanical treatment increased the hardness and strength without sacrificing electrical conductivity. Theoretical calculations indicated that the high strength was primarily attributed to the Orowan precipitation strengthening and secondarily ascribed to the work hardening, which were highly consistent with the experimental results. The appropriate Ni/Si mass ratio with a low content of Ni and Si atoms shows high strength and excellent electrical conductivity through combined thermomechanical treatment. This work provides a guideline for the design and preparation of multicomponent Cu-Ni-Si-X alloys with ultrahigh strength and excellent electrical conductivity.

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Section: Discussionmentioning

confidence: 99%

“…Comparison of tensile strength and electrical conductivity of high-strength copper alloys. ( a ) Cu-Ni-Si systems alloys and other copper alloys [34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51] and ( b ) the designed alloy and other Cu-Ni-Si-X alloys [1,2,3,4,52,53,54,55,56,57,58,59]. …”

Section: Figurementioning

confidence: 99%

Effect of Ni/Si Mass Ratio and Thermomechanical Treatment on the Microstructure and Properties of Cu-Ni-Si Alloys

Li¹,

Huang²,

Mi³

et al. 2019

Materials

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“…1. TiO 2 sol was prepared as reported in the previous papers [15][16][17][18] . For comparison purposes, a duplex Ni-P/Ni-P coating without adding sol was prepared with the identical plating parameters.…”

Section: Sample Preparationmentioning

confidence: 99%

Microstructure and Properties of Duplex Ni-P-TiO2/Ni-P Nanocomposite Coatings

et al. 2019

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Duplex NiP -TiO 2 /Ni-P coatings were electrodeposited onto brass substrates. High phosphorus NiP coatings were plated as the inner layer to improve the corrosion resistance, while low phosphorus sol-enhanced NiP -TiO 2 coatings were deposited on the top to strengthen the mechanical property. The microstructure, morphology, mechanical property and corrosion resistance of coatings were investigated systematically. The results show that duplex coatings exhibit both excellent mechanical property and good corrosion resistance. The hardness was further improved from ~545 HV 50 of duplex Ni-P/Ni-P coating to ~622 HV 50 of duplex NiP -12.5mL/L TiO 2 /Ni-P coating, while the hardness of single NiP coating was only ~387 HV 50. The corrosion resistance of duplex coatings improved significantly by adding a suitable amount of TiO 2 sol. Duplex NiP -12.5mL/L TiO 2 /Ni-P coating presented the highest corrosion resistance. However, adding excessive quantities of sol (more than 12.5mL/L) caused nanoparticle agglomeration and created a porous structure in the outer layer, deteriorating the properties of coatings.

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“…An effective way to further enhance the antibacterial properties of copper-based alloys is the introduction of dispersed second-phase materials [30] . To date, several types of nanocomposite coatings, e.g.…”

Section: Introductionmentioning

confidence: 99%

Ultrasonic-assisted electrodeposition of Cu-Sn-TiO2 nanocomposite coatings with enhanced antibacterial activity

Kharitonov

Kasach

Sergievich

et al. 2021

Ultrasonics Sonochemistry

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Highlights Cu–Sn–TiO 2 nanocomposite coatings were electrodeposited under mechanical and ultrasonic agitation; Effect of TiO 2 nanoparticles and current density on structural and antibacterial properties was investigated. Distribution of TiO 2 in the coatings improved under ultrasonic agitation; Antibacterial activity of Cu–Sn–TiO 2 coatings was enhanced by ultrasonic agitation.

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Microstructure and properties of Cu-Sn-Zn-TiO2 nano-composite coatings on mild steel

Cited by 36 publications

References 43 publications

Effect of Ni/Si Mass Ratio and Thermomechanical Treatment on the Microstructure and Properties of Cu-Ni-Si Alloys

Effect of Ni/Si Mass Ratio and Thermomechanical Treatment on the Microstructure and Properties of Cu-Ni-Si Alloys

Microstructure and Properties of Duplex Ni-P-TiO2/Ni-P Nanocomposite Coatings

Ultrasonic-assisted electrodeposition of Cu-Sn-TiO2 nanocomposite coatings with enhanced antibacterial activity

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