Thermostability of Monolithic and Reinforced Al–Fe–V–Si Materials

Autor:	Zhigang Chen, Na Wang, Jian Ming Yang, Zhenhua Chen, Zhengkun Xu, Yiqiang He, Bin Qiao
Rok vydání:	2009
Předmět:	Materials science Silicon Annealing (metallurgy) Mechanical Engineering Alloy chemistry.chemical_element engineering.material Microstructure Amorphous solid chemistry Mechanics of Materials Ultimate tensile strength Ceramics and Composites engineering Composite material Thermostability
Zdroj:	Advanced Composite Materials. 18:339-350
ISSN:	1568-5519 0924-3046
DOI:	10.1163/156855109x434775
Popis:	Al–Fe–V–Si alloys reinforced with SiC particles were prepared by multi-layer spray deposition technique. Both microstructures and mechanical properties including hardness and tensile properties development during hot exposure process of Al–8.5Fe–1.3V–1.7Si, Al–8.5Fe–1.3V–1.7Si/15 vol% SiCP and Al–10.0Fe–1.3V–2Si/15 vol% SiCP were investigated. The experimental results showed that an amorphous interface of about 3 nm in thickness formed between SiC particles and the matrix. SiC particles injected silicon into the matrix; thus an elevated silicon concentration was found around α-Al12(Fe, V)3Si dispersoids, which subsequently inhibited the coarsening and decomposition of α-Al12(Fe, V)3Si dispersoids and enhanced the thermostability of the alloy matrix. Moreover, the thermostability of microstructure and mechanical properties of Al–10.0Fe–1.3V–2Si/15 vol% SiCP are of higher quality than those of Al–8.5Fe–1.3V–1.7Si/15 vol% SiCP.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::9aa1a3698282c5431ec2fb6a259ab2d1 https://doi.org/10.1163/156855109x434775 Zobrazit plný text záznamu Plný text ve formátu PDF