Environment-assisted crack nucleation in La(Fe,Mn,Si)13-based magnetocaloric materials

Siyang Wang,Edmund Lovell,Liya Guo,Neil Wilson,Mary P. Ryan,Finn Giuliani

International Journal of Refrigeration（2022）

引用 10|浏览6

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摘要

•Freshly focussed-ion-beam-polished surfaces exposed to air.•La-rich phase (La2O3) expands in air due to hydroxylation reaction.•Cracks in La(Fe,Mn,Si)13 appear near these expansions.•Formation/size of La2O3 should be suppressed to avoid local cracking.

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关键词

Magnetocalorics,Materials,Environment,Crack,Mechanical stability

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