Improvement of Interface Bonding and Thermal Conductivity of Carbon-Fiber Reinforced Aluminum Matrix Composites with Sn-Cu Coatings

Zhou, Qiwen; Qu, Yingdong; Li, Guanglong; Singh, Ajit Pal; Su, Ruiming; Chen, Ruirun; Zhou, Shan; Zhao, Yu; Yang, Fei; Li, Rongde

doi:10.1007/s11837-022-05225-z

Cited by 7 publications

(3 citation statements)

References 27 publications

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“…6,7 To solve the interface problem and improve the comprehensive performance of composites, the researchers do lots of work on interface optimization and find that a metallic or non-metallic coating can be introduced between CFs and the metal matrix to improve the interface. 4,8 Among which, TiC has more potential in improving the interface due to its high corrosion resistance and oxidation resistance. [9][10][11] Currently, the most commonly methods for preparing TiC coating on the CFs surface are chemical vapor infiltration and molten salt method.…”

Section: Introductionmentioning

confidence: 99%

Effect of carbon fibers crystallinity on the formation and growth of TiC coating in molten salt

Zhou

et al. 2022

Journal of Reinforced Plastics and Composites

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To improve the application of molten salt method in carbon fibers (CFs) surface modification, the work explores the effect of the CFs-itself crystallinity on the formation and growth mechanism of TiC coating in the molten salt reaction. Three different types of CFs were used to prepare TiC coatings at 850°C, and the formation and growth mechanisms were studied. The results showed that CFs surface defects could preferentially initiate nucleation and cause inhomogeneity of TiC particles in the initial stage of TiC coating formation. The CFs surface with high crystallinity could obtain a finer and more uniform TiC coating because the growth rate of TiC particles is slower and the particles do not accumulate with each other during the coating growth. At the same time, the growth rate of TiC coating decreased with increasing CFs crystallinity during the TiC coating growth, which reason is that CFs with higher crystallinity require more activation energies of carbon atom counter diffusion. Therefore, the surface of CFs with higher crystallinity and fewer surface defects is easier to obtain a uniform and particle size TiC coating during the molten salt reaction.

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Section: Introductionmentioning

confidence: 99%

Effect of carbon fibers crystallinity on the formation and growth of TiC coating in molten salt

Zhou

et al. 2022

Journal of Reinforced Plastics and Composites

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“…One way to increase the strength of aluminum alloy is to reinforce it with ceramic particles and upgrade it to a composite material. Composite properties are influenced by the type, size, shape, and distribution of these reinforcing particles [12][13][14]. These secondary phase particles increase the strength of the soft aluminum matrix and impact its physical properties [15,16].…”

Section: Introductionmentioning

confidence: 99%

The influence of the casting method on mechanical properties of A356-Al2O3 nanocompositeEffect of boron addition on microstructure and toughness of Ti-containing weld metals

Shabani¹,

Baghani²,

Rahimipour³

et al. 2022

kovmat

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This study investigates the effect of casting methods, content and size of reinforcing particles and heat treatment on the mechanical properties of A356-Al2O3 composite. First, composite samples were made by three methods: gravity sand casting, squeeze casting, and semi-solid compo casting, and then some of them were subjected to the T6 heat treatment. Test specimens were extracted from the samples, and their tensile and yield strength, elongation, and porosity were measured, analyzed, and compared. In addition, the microstructures of composites made by nano and micro scale reinforcing particles were studied and compared. It was concluded that the superior mechanical properties were obtained in samples made by semi-solid compo casting using nanoscale reinforcing secondary phase and subjected to the T6 heat treatment.

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“…One of the parties believes that carbon fiber could be tightly locked in the Al matrix through the anchor effect of Al 4 C 3 , which provides the ability to prevent interface slippage and promotes a noticeably enhanced load transfer in the composites [26][27][28][29]. The other party believes that the formation of brittle Al 4 C 3 is detrimental to the mechanical properties of carbon materials/Al composites [30][31][32][33]. Metallizing the surface of carbon fiber can effectively reduce the diffusion of carbon elements to the matrix during sintering [34].…”

Section: Introductionmentioning

confidence: 99%

The Role of Al4C3 Morphology in Tensile Properties of Carbon Fiber Reinforced 2024 Aluminum Alloy during Thermal Exposure

Yuan

Meng

et al. 2022

Materials

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The aluminum alloy drill pipe suffers long-term high-temperature conditions during ultra-deep well drilling. In this paper, the samples were prepared by vacuum hot pressing, followed by hot extrusion and T6 heat treatment. The mechanical properties of short carbon fiber reinforced 2024 aluminum alloy composites (SCFs/2024 Al) and the microstructure evolution at the interface region thermal exposure at 160 °C for 500 h are discussed. The experimental results showed that the effect of short carbon fiber on 2024 aluminum alloy remained steady throughout the whole process of the heat exposure experiment. The distribution and volume of interface products (Al4C3) changed with the prolonging of heat exposure time, and connected after coarsening. The evolution of the morphology of Al4C3 relieved the stress of the interface between carbon fiber and aluminum alloy matrix and enhanced the mechanical properties of the composite.

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Improvement of Interface Bonding and Thermal Conductivity of Carbon-Fiber Reinforced Aluminum Matrix Composites with Sn-Cu Coatings

Cited by 7 publications

References 27 publications

Effect of carbon fibers crystallinity on the formation and growth of TiC coating in molten salt

Effect of carbon fibers crystallinity on the formation and growth of TiC coating in molten salt

The influence of the casting method on mechanical properties of A356-Al2O3 nanocompositeEffect of boron addition on microstructure and toughness of Ti-containing weld metals

The Role of Al4C3 Morphology in Tensile Properties of Carbon Fiber Reinforced 2024 Aluminum Alloy during Thermal Exposure

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