Effect of holding time on the self-joining of silicon nitride

被引：22

作者：

Liu, C. F. ^{[1
]}

Zhang, J. ^{[1
]}

Zhou, Y. ^{[1
]}

Yi, H. L. ^{[1
]}

Naka, M. ^{[2
]}

机构：

[1] Harbin Inst Technol, Sch Mat Sci & Engn, Inst Adv Ceram, Harbin 150001, Peoples R China

[2] Osaka Univ Ibaraki, Joining & Welding Res Inst, Osaka 5670047, Japan

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 471卷 / 1-2期

关键词：

Si3N4; ceramics; Brazing; Cu-Pd-Ti filler alloy; Microstructure; Bonding strength; MICROSTRUCTURE; SI3N4; INTERFACE; STRENGTH; JOINTS; AG; CU;

D O I：

10.1016/j.jallcom.2008.03.059

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Reliable Si3N4/Si3N4 joints were obtained using Cu-Pd-Ti as filler alloy. The effect of holding time on interfacial microstructure and bonding strength of the joints was investigated. All the joints consist of continuous reaction layer (fine-grain TiN), discontinuous reaction layer (coarse-grain TiN), Cu-based solid solution and reaction products. Prolonged exposure to the elevated temperature causes the thickness of the discontinuous reaction layer to increase, due to the coarsening of TiN grains. And the amount of Pd-Si phase increases instead of Ti-Si phase. With the increase of holding time, the bonding strength of the joints decreases. The formation of a reaction layer with a suitable thickness promotes the improvement of bonding strength of joints. (C) 2008 Elsevier B. V. All rights reserved.

引用

页码：217 / 221

页数：5

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