Microstructure and Mechanical Properties of Interface between Gradient Cermets (TiC)pNi and Ti by Combustion Diffusion Bonding

被引：0

作者：

Chen Shaoping ^{[1
]}

Dong Feng ^{[1
]}

Meng Qingsen ^{[1
]}

Fan Wenhao ^{[1
]}

机构：

[1] Taiyuan Univ Technol, Taiyuan 030024, Peoples R China

来源：

RARE METAL MATERIALS AND ENGINEERING | 2013年 / 42卷 / 02期

关键词：

gradient materials; in-situ synthesis; cermets; diffusion bonding; mechanical properties;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Employing MA-FAPAS and using TiAl as exothermal mediate layer, gradient cermets (TiC)(p)Ni and TiAl were synthesized from element reactants in one step as well as the structure of (TiC)(p)Ni/TiAl/Ti was accomplished. The effect of temperature, current and pressure on the process was analyzed. Microstructure observation and composition determination were made by FE-SEM, TEM and XRD. It reveals that well formed and crack-free bond were achieved with strong mutual diffusion of elements across both interfaces. Fracture toughness, thermal shock resistance and bonding strength were evaluated and residual stress distribution was simulated by finite element method. It indicates that the interface between TiAl/Ti has higher thermal resistance and shear resistance than that between (TiC)(p)Ni/TiAl.

引用

页码：302 / 306

页数：5

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