One-second flash joining of zirconia ceramic by an electric field at low temperatures

Junbo Xia; Ke Ren; Yiguang Wang

doi:10.1016/j.scriptamat.2019.02.004

One-second flash joining of zirconia ceramic by an electric field at low temperatures

Junbo Xia, Ke Ren, Yiguang Wang^*

^*此作品的通讯作者

先进结构技术研究院

Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

55 引用（Scopus）

摘要

The zirconia ceramic was flash joined in 1 s by applying an electric field. The joining was performed at temperatures as low as 600 °C, with a joint three-point bend strength of ca. 418 MPa and a smaller grain size than that of the parent material. The joining strength was further enhanced with the increase in bonding temperature, reaching ca. 595 MPa at 900 °C. Ultrafast superplastic deformation of the ceramic under the applied electric field and the subsequent accelerated mass transport are proposed as the underlying mechanism for flash joining.

源语言	英语
页（从-至）	34-38
页数	5
期刊	Scripta Materialia
卷	165
DOI	https://doi.org/10.1016/j.scriptamat.2019.02.004
出版状态	已出版 - 5月 2019

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10.1016/j.scriptamat.2019.02.004

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title = "One-second flash joining of zirconia ceramic by an electric field at low temperatures",

abstract = "The zirconia ceramic was flash joined in 1 s by applying an electric field. The joining was performed at temperatures as low as 600 °C, with a joint three-point bend strength of ca. 418 MPa and a smaller grain size than that of the parent material. The joining strength was further enhanced with the increase in bonding temperature, reaching ca. 595 MPa at 900 °C. Ultrafast superplastic deformation of the ceramic under the applied electric field and the subsequent accelerated mass transport are proposed as the underlying mechanism for flash joining.",

keywords = "Field assist, Flash joining, Superplastic deformation, Threshold current density, Zirconia",

author = "Junbo Xia and Ke Ren and Yiguang Wang",

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doi = "10.1016/j.scriptamat.2019.02.004",

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AU - Ren, Ke

AU - Wang, Yiguang

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N2 - The zirconia ceramic was flash joined in 1 s by applying an electric field. The joining was performed at temperatures as low as 600 °C, with a joint three-point bend strength of ca. 418 MPa and a smaller grain size than that of the parent material. The joining strength was further enhanced with the increase in bonding temperature, reaching ca. 595 MPa at 900 °C. Ultrafast superplastic deformation of the ceramic under the applied electric field and the subsequent accelerated mass transport are proposed as the underlying mechanism for flash joining.

AB - The zirconia ceramic was flash joined in 1 s by applying an electric field. The joining was performed at temperatures as low as 600 °C, with a joint three-point bend strength of ca. 418 MPa and a smaller grain size than that of the parent material. The joining strength was further enhanced with the increase in bonding temperature, reaching ca. 595 MPa at 900 °C. Ultrafast superplastic deformation of the ceramic under the applied electric field and the subsequent accelerated mass transport are proposed as the underlying mechanism for flash joining.

KW - Field assist

KW - Flash joining

KW - Superplastic deformation

KW - Threshold current density

KW - Zirconia

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JO - Scripta Materialia

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ER -

One-second flash joining of zirconia ceramic by an electric field at low temperatures

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