中间层金属对Al2O3/1Cr18Ni9Ti钎焊接头组织及剪切强度的影响*

刘毅, 江国锋, 许昆, 罗锡明, 陈登权, 李伟

EFFECT OF INTERLAYERS ON THE MICROSTRUC-TURE AND SHEAR STRENGTH OF ALUMINA CERAMIC AND 1Cr18Ni9Ti STAINLESS STEEL BRAZED BONDING

LIU Yi, JIANG Guofeng, XU Kun, LUO Ximing, CHEN Dengquan, LI Wei

表1 母材和中间层金属的物理性能[7,8,18,19]

Table 1 Physical properties of the base metal and interlayers[7,8,18,19]

Material Linear expansion coefficient α / 10-6 K-1 Elastic modulus E / GPa Yield Strength s0.2 / MPa Density r / (g·cm-3) Al2O3 8.0 382 - 3.90 1Cr18Ni9Ti 20 206 197 7.93 Ni 13 210 148 8.88 Cu 17 124 60 8.96