Design of high-performance molybdenum alloys via doping metal oxide and carbide strengthening: A review

Xing, Hai-Rui; Hu, Ping; He, Chaojun; Zhang, Xiangyang; Han, Jia-Yu; Yang, Fan; Bai, Run; Zhang, Wen; Wang, Kuaishe; Volinsky, Alex A.

doi:10.1016/j.jmst.2023.03.026

Cited by 24 publications

(1 citation statement)

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“…Dispersion hardening of metal matrix materials by ceramic particles enhances their physical and mechanical properties, namely hardness, wear resistance, and strength both at room and higher temperatures [7,8]. On the other hand, nano-and submicron-sized ceramic particles are also nucleation centers of crystalline particles in metal alloys that reduce their grain size and improve their physical and mechanical properties [9][10][11][12]. It should be noted that ordinary alloys cannot reach the physical and mechanical properties of the metal matrix composites, owing to their more free growth of crystalline particles.…”

Section: Introductionmentioning

confidence: 99%

Nano- and Submicron-Sized TiB2 Particles in Al–TiB2 Composite Produced in Semi-Industrial Self-Propagating High-Temperature Synthesis Conditions

Matveev,

Promakhov,

Schulz

et al. 2024

Metals

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This paper investigates the structure and phase composition of Al–TiB2 metal matrix composites prepared from the Al–Ti–B system powder using self-propagating high-temperature synthesis (SHS) in semi-industrial conditions (the amount of the initial powder mixture was 1000 g). The samples produced in semi-industrial conditions do not differ from the laboratory samples, and consist of the aluminum matrix and TiB2 ceramic particles. The temperature rise leads to the growth in the average size of TiB2 particles from 0.4 to 0.6 µm as compared to the laboratory samples. SHS-produced composites are milled to the average particle size of 42.3 µm. The powder particles are fragmented, their structure is inherited from the SHS-produced Al–TiB2 metal matrix composite. The obtained powder can be used as the main raw material and additive in selective laser sintering, vacuum sintering, and hot pressing products. It is worth noting that these products can find their own application in the automotive industry: brake pads, drums, rail discs, etc.

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