<i><scp>I</scp>n <scp>S</scp>itu </i><scp>T</scp>i<scp>C</scp> Ceramic Particles Locally Reinforced <scp>A</scp>l‐<scp>S</scp>i Matrix Composites Prepared by SHS‐Casting Method from the <scp>A</scp>l‐<scp>S</scp>i‐<scp>T</scp>i‐<scp>C</scp> System

Huo, Yanqiu; Ma, Li; Huang, Bin; Hu, Qiaodan

doi:10.1111/ijac.12097

Cited by 8 publications

(5 citation statements)

References 21 publications

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“…These pores and cracks play an important role in dynamic compressive properties. Under high-speed impact loading, the release of the stress is caused due to the nucleation of micro cracks and increases fracture toughness [38], whereas, since the impact resistance of alloys is less sensitive to pores and microcracks than tensile properties [39], some pores that are close to each other may even collapse, merge, and close, thereby improving the fracture strain of the alloys under impact loading conditions.…”

Section: Dynamic Compression Propertiesmentioning

confidence: 99%

Dynamic Compressive Properties and Failure Mechanism of the Laser Powder Bed Fusion of Submicro-LaB6 Reinforced Ti-Based Composites

Li,

Liu

2023

Micromachines

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In this study, lanthanum hexaboride (LaB6) particle-reinforced titanium matrix composites (PRTMCs, TC4/LaB6) were successfully manufactured using the laser powder bed fusion (LPBF) process. Thereafter, the effect of the mass fraction of LaB6 on the microstructure and the dynamic compressive properties was investigated. The results show that the addition of LaB6 leads to significant grain refinement. Moreover, the general trend of grain size reveals a concave bend as the fraction increases from 0.2% to 1.0%. Furthermore, the texture intensity of prior β grains and α grains was found to be weakened in the composites. It was also observed that the TC4/LaB6 have higher quasi-static and dynamic compressive strengths but lower fracture strain when compared with the as-built TC4. The sample with 0.5 wt.% LaB6 was found to have the best strength–toughness synergy among the three groups of composites due to having the smallest grain size. Furthermore, the fracture mode of TC4/LaB6 was found to change from the fracture under the combined action of brittle and ductility to the cleavage fracture. This study was able to provide a theoretical basis for an in-depth understanding of the compressive properties of additive manufacturing of PRTMCs under high-speed loading conditions.

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Section: Dynamic Compression Propertiesmentioning

confidence: 99%

Dynamic Compressive Properties and Failure Mechanism of the Laser Powder Bed Fusion of Submicro-LaB6 Reinforced Ti-Based Composites

Li,

Liu

2023

Micromachines

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“…This method has several main modifications, i.e. conventional aluminothermy in air; under elevated inert gas pressure; centrifugal casting [47][48][49][50][51][52][53]. The main stages for SHS casting are presented in Figure 6.…”

Section: Shs Technologiesmentioning

confidence: 99%

Self-propagating high-temperature synthesis of advanced materials and coatings

Левашов

Mukas'yan

Rogachev

et al. 2016

International Materials Reviews

299

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Self-propagating high-temperature synthesis (SHS) or combustion synthesis (CS) is a rapidly developing research area. SHS materials are being used in various fields, including mechanical and chemical engineering, medical and bioscience, aerospace and nuclear industries. The goal of the present paper is to provide a comprehensive state-of-the-art review and to analyse a critical mass of knowledge in the field of SHS materials and coatings. We also briefly discuss the history and scientific foundations of SHS along with an overview of the technological aspects for synthesis of different materials, including powders, ceramics, metal-ceramics, intermetallides, and composite materials. Application of CS in the field of surface engineering is also discussed focusing on two main routes for applying SHS to coating deposition: (i) single-step formation of the desired coatings and (ii) use of SHSderived powders, targets or electrodes in the coating deposition processes.

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“…As these ceramic particles are mainly derived from the combustion synthesis reaction, understanding the kinetic characteristics is vital to achieving a desired microstructure. Conventionally, the influence of the kinetic parameters on the combustion behaviors and synthesized products was predicted by thermodynamic calculations and/or reaction mechanism 31–34 . These methods are helpful but not entirely accurate.…”

Section: Introductionmentioning

confidence: 99%

“…Conventionally, the influence of the kinetic parameters on the combustion behaviors and synthesized products was predicted by thermodynamic calculations and/or reaction mechanism. [31][32][33][34] These methods are helpful but not entirely accurate. As we know, combustion synthesis can be ascribed to the exothermic reaction of the reactants.…”

Section: Introductionmentioning

confidence: 99%

Kinetic role of C/Zr ratio in the reaction process, combustion behavior, and synthetic product of 70 wt.% (xC–Zr)–30 wt.% Cu

Zhao

Wang

Yao

et al. 2021

Int J Applied Ceramic Tech

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The kinetic role of C/Zr ratio in the reaction processes, combustion behaviors, and synthesized products of 70 wt.% (xC–Zr)–30 wt.% Cu was investigated. Results indicated that ZrC particles were produced by the replacement reaction between carbon atoms and Zr–Cu melt. With an increase in C/Zr ratio, more carbon atoms combined with the zirconium atoms in Zr–Cu liquid. As a result, the formation rate of massive ZrC enhanced, which shortened the ignition time of combustion reaction. On the other hand, the quantity, the lattice parameter, and the x value of synthetic ZrCx increased, while the byproduct CuyZrx compounds decreased. These effects contributed to an increase in the burning temperature and ZrCx particle size. Moreover, it is also revealed that the formation of ZrCx is a multistep process, which leads to an inhomogeneous distribution of the particle size. Results from this work offer a theoretical reference for the kinetic research of combustion synthesis and related techniques, and provide a valuable guide to the in situ synthesis of composite materials containing ZrC.

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In Situ TiC Ceramic Particles Locally Reinforced Al‐Si Matrix Composites Prepared by SHS‐Casting Method from the Al‐Si‐Ti‐C System

Cited by 8 publications

References 21 publications

Dynamic Compressive Properties and Failure Mechanism of the Laser Powder Bed Fusion of Submicro-LaB6 Reinforced Ti-Based Composites

Dynamic Compressive Properties and Failure Mechanism of the Laser Powder Bed Fusion of Submicro-LaB6 Reinforced Ti-Based Composites

Self-propagating high-temperature synthesis of advanced materials and coatings

Kinetic role of C/Zr ratio in the reaction process, combustion behavior, and synthetic product of 70 wt.% (xC–Zr)–30 wt.% Cu

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