The Effect of Cr Addition on the Strength and High Temperature Oxidation Resistance of Y2O3 Dispersion Strengthened Mo Composites

Y2O3 dispersion-strengthened Molybdenum (Mo) composites were prepared by the mechanical alloying of Mo and Y powders then consolidation by spark plasma sintering. The effects of Chromium (Cr) addition (0 wt. %, 5 wt. %, 10 wt. % and 15 wt. %, respectively) on the mechanical performance and high-temp...

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Veröffentlicht in:	Materials 2024-05, Vol.17 (11), p.2550
Hauptverfasser:	Guan, Haochen, Lv, Chongshan, Ding, Qingming, Wang, Guangda, Xiong, Ning, Zhou, Zhangjian
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys Bend strength Brittleness Chromium Composite materials Dispersion hardening alloys Ductility Electrolytes First principles Grain boundaries Grain refinement Grain size High temperature Mechanical alloying Mechanical properties Molybdenum Morphology Oxidation Oxidation resistance Oxidation tests Particle size Plasma sintering Scanning electron microscopy Sintering (powder metallurgy) Solid solutions Solution strengthening Spalling Spark plasma sintering Stainless steel Stress concentration Thickness Yield stress Yttrium oxide
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