首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Accurate quantitative EDS-TEM analysis of precipitates and matrix in equilibrium (alpha plus beta) Zr-1Nb alloys with Ta addition
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Accurate quantitative EDS-TEM analysis of precipitates and matrix in equilibrium (alpha plus beta) Zr-1Nb alloys with Ta addition

机译:用TA加法准确地对沉淀物和沉淀物和基质的定量EDS-TEM分析,ZR-1NB合金与TA加

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摘要

The (alpha+beta) phase microstructure in Zr-1.05Nb, Zr-0.85Nb-0.20Ta and Zr-0.85Nb-0.40Ta (wt.%) alloys annealed at 570 degrees C for 3840 h after beta-quenching were observed at different scales by optical, SEM and TEM microscopies. A quantitative study of phase chemical compositions was carried out by EDS-TEM with experimental Cliff-Lorimer factors. The alpha matrix was measured on thin films and the beta particle on carbon extractive replicas. The Ta addition showed a continuous increase of (Nb + Ta) solubility in alpha-Zr and (Zr + Ta) solubility in the beta-Nb phase. The increase of Ta in the nominal composition of the Zr-(Nb, Ta) alloy causes the decrease of the mass fraction of beta-Nb phase. (C) 2020 Elsevier B.V. All rights reserved.
机译:在β猝灭后,ZR-1.05NB,ZR-0.85NB-0.20TA和ZR-0.85NB-0.20TA和ZR-0.85NB-0.20TA和ZR-0.85NB-0.40TA(重量%)的合金在570℃下退火3840小时的(重量%)的合金 光学,SEM和TEM显微镜的不同尺度。 通过EDS-TEM具有实验性悬崖 - 洛莫尔因子进行的相位化学组合物的定量研究。 在薄膜和β粒子上测量α基质在碳萃取复制品上测量。 TA添加显示在β-Nb相中α-Zr中的(Nb + Ta)溶解度的连续增加,并且在β-Nb相中溶解度。 在Zr-(Nb,Ta)合金的标称组成中Ta的增加导致β-Nb相的质量分数降低。 (c)2020 Elsevier B.v.保留所有权利。

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