Achieving the superior wetting behavior in ZrO2/Fe system controlled by the mechanism of dynamic elements diffusion and interfacial phase transaction

IF 5.3 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Scripta Materialia Pub Date : 2025-01-09 DOI:10.1016/j.scriptamat.2024.116536

Zilong Zhao, Yefei Li, Yanmei Yang, Qiaoling Zheng, Yimin Gao

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Abstract

In order to enhance the interfacial bonding behavior of ZrO₂/Fe system, a typical Ti layer was coated surrounding the ZrO₂ plate, the wetting angle of ZrO₂@Ti/Fe reduced dramatically to 9° Combined with the FIB specimen and TEM analysis, dynamical elements diffusion can be observed obviously. The outmost part of ZrO₂ ceramic converted into ZrO_2-_x, the excessive O and Ti elements, diffused from the typical coating, could react and form TiO phase at the interface. Meanwhile, some part of outmost ZrO₂ grain transformed from tetragonal to monoclinic structure under thermal stress during cooling process of sessile experiment. The lattice mismatch between α-Fe and ZrO_2-_x was measured, and the value is as small as 3.29 % which shows definitely full wetting character, it is believed that the improvement in wettability is probably due to the dissolution of ZrO₂ and the generation of ZrO_2-_x based on the fact of dynamic diffusion fitting results.

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来源期刊

Scripta Materialia 工程技术-材料科学：综合

CiteScore

11.40

自引率

5.00%

发文量

581

审稿时长

34 days

期刊介绍： Scripta Materialia is a LETTERS journal of Acta Materialia, providing a forum for the rapid publication of short communications on the relationship between the structure and the properties of inorganic materials. The emphasis is on originality rather than incremental research. Short reports on the development of materials with novel or substantially improved properties are also welcomed. Emphasis is on either the functional or mechanical behavior of metals, ceramics and semiconductors at all length scales.