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首页> 外文期刊>Materials Letters >Effect of YAG addition on sintering of P/M 316L and 434L stainless steels
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Effect of YAG addition on sintering of P/M 316L and 434L stainless steels

机译：添加YAG对P / M 316L和434L不锈钢烧结的影响

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摘要

The present study examines the sintering behavior and effect of yttria alumina garnet (YAG) addition on ferritic (434L) and austenitic (316L) stainless steel during solid-state and supersolidus liquid-phase sintering (SLPS). Up to 10 wt. percent YAG (Al_5Y_3O_(12), AlYO_3) was added to 316L and 434L stainless steel. The compacts were solid-state- and supersolidus-sintered at 1200 and 1400 deg C, respectively. The sintered samples were characterized for their density and hardness. The effect of sintering and YAG addition on the microstructural evolution in supersolidus-sintered samples is compared with that obtained by solid-state sintering. Through electron probe microanalysis (EPMA), the distribution of various elements in intergranular as well as intragranular regions was quantified for stainless steel with and without YAG addition. The density of stainless steel samples sintered through the supersolidus route was higher than that of solid-state-sintered samples. Up to 5 wt. percent YAG dispersed samples exhibited much better hardness when compared to the straight powder metallurgy (P/M) stainless steel both in solid-state- as well as supersolidus-sintered conditions.
机译：本研究研究了固态和超固相液相烧结（SLPS）过程中氧化钇铝石榴石（YAG）对铁素体（434L）和奥氏体（316L）不锈钢的烧结行为和影响。最高10 wt。将百分比的YAG（Al_5Y_3O_（12），AlYO_3）添加到316L和434L不锈钢中。压块分别在1200和1400℃下进行固态和超固相烧结。对烧结样品的密度和硬度进行表征。比较了烧结和YAG添加对超固相烧结样品显微组织演变的影响，以及通过固态烧结获得的影响。通过电子探针显微分析（EPMA），定量分析了添加和不添加YAG的不锈钢在晶间和晶内区域中各种元素的分布。通过超固相线烧结的不锈钢样品的密度高于固态烧结样品的密度。最高5 wt。在固态和超固相烧结条件下，与纯粉末冶金（P / M）不锈钢相比，YAG分散样品的百分含量显示出更好的硬度。

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