Enhancing strength and ductility in carbon nanotubes reinforced zinc matrix composites by in-situ formation of ZnC8

Liu, Yang; Wang, Xing; Zhu, Dibin; Li, Yuanzhe; Yao, Bingqing; Sun, Tianyou; Miao, Hualei

doi:10.1016/j.msea.2020.140512

Cited by 2 publications

(2 citation statements)

References 56 publications

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“…[4][5][6] Interpenetrating phase composites (IPCs), [7] which possess an interconnected network structure, can effectively transfer and disperse stress between the matrix and the reinforcement phases, thereby impeding crack propagation and enhancing the mechanical properties of the composites. [8][9][10] Thanks to the favorable wetting between metal components, IPCs with intact interfaces can be easily prepared using simple techniques. [11,12] Furthermore, the morphology of the reinforcement phase, consisting of particles, short fibers, and continuous fibers, plays a crucial role in the performance of IPCs.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Property and Failure Mechanism of Metal Rubber/ZA8 Composite Made by Squeeze Casting Process

Lai,

Hu,

et al. 2023

Adv Eng Mater

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High‐performance lightweight composites are developed by integrating metal rubber (MR) into a zinc alloy (ZA8) matrix via squeeze casting. MR, comprising 304 stainless steel wires with diameters of 0.15 mm, forms three‐dimensional network skeletons with volume fractions of 8.8 vol.% (S1), 11.1 vol.% (S2), and 13.4 vol.% (S3), respectively. The preparation parameters of the composites are optimized, and their micro‐hardness is investigated. Special attention is paid to the ultimate compression and shear performance at 25 °C, 150 °C, and 250 °C. The microstructure and failure analysis are performed via SEM. The results reveal a 48.0% increase in micro‐hardness at composite interfaces relative to ZA8. At 25 °C, S2 possesses an ultimate compressive strength (UCS) of 401.4 MPa, which is 33.7% higher than that of ZA8. At 150 °C and 250 °C, S3 exhibits UCS values of 180.3 MPa and 74.3 MPa, exceeding those of ZA8 by 61.7% and 110.5%, respectively. Meanwhile, the ultimate shear strength of composites slightly drops below that of the matrix: the corresponding value of S1 specimen (158.4 MPa) at 250°C is 11.5% below that of ZA8. Therefore, compression and shear failure mechanisms of MR/ZA8 composites are quite intricate, involving SSW separation, necking, and ZA8 fractures.This article is protected by copyright. All rights reserved.

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Section: Introductionmentioning

confidence: 99%

Mechanical Property and Failure Mechanism of Metal Rubber/ZA8 Composite Made by Squeeze Casting Process

Lai,

Hu,

et al. 2023

Adv Eng Mater

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“…Compounding is an effective way to improve the mechanical properties of metal materials. Many reinforcing materials, such as hydroxyapatite (HA) [12], tungsten carbide (WC) [13], graphene nanoribbons (GNRs) [14] and carbon nanotubes (CNTs) [15], have been used to enhance the mechanical properties of metallic materials. It is worth noting that carbon nanotubes (CNTs) are regarded as the most ideal one-dimensional nanoscale enhancing materials due to their excellent mechanical, thermal and electrical properties [16].…”

Section: Introductionmentioning

confidence: 99%

Zinc Matrix Composites Reinforced with Partially Unzipped Carbon Nanotubes as Biodegradable Implant Materials

et al. 2022

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The activity of zinc is between that of magnesium and iron, and it has a suitable degradation rate and good biocompatibility. It has been regarded as a very promising biodegradable metal material for biomedicine. However, the insufficient mechanical properties of pure Zn limit its practical application in the field of orthopedic implants. In this paper, partially unzipped carbon nanotubes (PUCNTs) obtained by meridionally cutting multi-walled carbon nanotubes (MWCNTs) were used as reinforcements and combined with spark plasma sintering to prepare partially unzipped carbon nanotube reinforced Zn matrix composites. The effects of PUCNT addition on the microstructure and the mechanical properties of Zn matrix composites were investigated. The microstructure analysis showed the good interface bonding between PUCNTs and the Zn matrix. Additionally, the strength of PUCNTs/Zn composites showed a trend of increasing first and then decreasing with the PUCNT content increases. When the PUCNT content was 0.2 wt%, the tensile strength and yield strength of composites were about 78.4% and 64.4% higher than that of pure Zn, respectively, while maintaining a high elongation (62.6%).

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Enhancing strength and ductility in carbon nanotubes reinforced zinc matrix composites by in-situ formation of ZnC8

Cited by 2 publications

References 56 publications

Mechanical Property and Failure Mechanism of Metal Rubber/ZA8 Composite Made by Squeeze Casting Process

Mechanical Property and Failure Mechanism of Metal Rubber/ZA8 Composite Made by Squeeze Casting Process

Zinc Matrix Composites Reinforced with Partially Unzipped Carbon Nanotubes as Biodegradable Implant Materials

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