Disruption of oxide films during spark plasma sintering of micrometric-sized Al powders and its effect on microstructure and tensile properties of the consolidated Al

Xu, Pingguo; Feng, Yongzhao; Xu, Bocong; Chen, Fei; Lin, Yaojun

doi:10.1016/j.jallcom.2017.04.163

Cited by 5 publications

(1 citation statement)

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“…The evidence of more efficient densification at 40°C min −1 is shown in the corresponding micrographs of the sintered compacts (Figure 2). Xu et al [32] indicated that a more significant volume expansion of the metal relative to that of the oxide upon heating caused the disruption of Al 2 O 3 films facilitating the formation of metallurgical bonds between the Al particles. Melting of aluminium can also contribute to the inter-particle bonding quality.…”

Section: Physical Principles Of Spark Plasma Microwave and Induction ...mentioning

confidence: 99%

Progress in aluminium and magnesium matrix composites obtained by spark plasma, microwave and induction sintering

Dudina

Georgarakis

Olevsky

2022

International Materials Reviews

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Aluminium and magnesium matrix composites are attractive lightweight materials with strength surpassing that of the corresponding matrix metals. Recent years have seen extensive research aimed at finding ways to control the structure of metal matrix composites and obtaining materials with new sets of properties. This review aims to show that field-assisted sintering is a promising approach for the powder metallurgy processing of aluminium and magnesium matrix composites. The review focuses on the achievements in the compositional and microstructural design and properties of aluminium and magnesium matrix composites obtained by spark plasma sintering, microwave sintering and induction sintering. Issues related to the process scale-up in the field-assisted sintering technologies are also addressed.

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Section: Physical Principles Of Spark Plasma Microwave and Induction ...mentioning

confidence: 99%