水蒸气对锆-4高温氧化的影响——原位x射线衍射法测定应力

IF 1.1 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Annales De Chimie-science Des Materiaux Pub Date : 2015-12-28 DOI:10.3166/acsm.39.115-122

H. Buscail, R. Rolland, C. Issartel

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引用次数: 0

摘要

了解水蒸气对氧化机理影响的一个关键参数是测定单斜氧化锆鳞片和锆-4 (Zy-4)衬底在高温下的应力水平。为了准确描述氧化层的微观结构，对Zy-4平板样品进行了高温干湿氧化环境下的原位x射线衍射(XRD)分析。本工作的目的是显示水蒸气对高温下氧化层和合金内部产生的应力的影响。在冷却至室温的过程中，应力演化也被确定。

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Influence of water vapour on the zircaloy-4 oxidation at high temperature - Stress determination by in situ X-Ray diffraction

A key parameter for the understanding the effect of water vapour on the oxidation mechanism is the determination of the stress level in the monoclinic zirconia scale and in the Zircaloy-4 (Zy-4) substrate at high temperature. In order to provide an accurate description of the microstructure of the oxide layers, X-ray diffraction (XRD) analyses have been performed in situ under dry and wet oxidizing environments at high temperature on Zy-4 flat sheet samples. The aim of the present work is to show the influence of water vapour on the stress developed at high temperature in the oxide scale as well as inside the alloy. The stress evolution during cooling to room temperature has also been determined.

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来源期刊

Annales De Chimie-science Des Materiaux 工程技术-材料科学：综合

CiteScore

1.70

自引率

25.00%

发文量

审稿时长

>12 weeks

期刊介绍： The ACSM is concerning the cutting-edge innovations in solid material science. The journal covers a broad spectrum of scientific fields, ranging all the way from metallurgy, semiconductors, solid mineral compounds, organic macromolecular compounds to composite materials. The editorial board encourages the submission of original papers that deal with all aspects of material science, including but not limited to synthesis and processing, property characterization, reactivity and reaction kinetics, evolution in service, and recycling. The papers should provide new insights into solid materials and make a significant original contribution to knowledge.