高合金化GH4065镍基变形高温合金点状偏析研究

王资兴,黄烁,张北江,王磊,赵光普

Study on Freckle of a High-Alloyed GH4065 Nickel Base Wrought Superalloy

Zixing WANG,Shuo HUANG,Beijiang ZHANG,Lei WANG,Guangpu ZHAO

表1 GH4065合金点偏缺陷EPMA元素定量分析

Table 1 EPMA quantitative analyses of GH4065 alloy freckle (mass fractoin / %)

Element region Al Ti Nb Cr Co Mo W B C Ni Freckle 1.93 6.67 1.61 15.59 12.69 4.13 3.36 0.050 0.062 Bal. Matrix 2.02 3.64 0.76 16.46 13.07 4.09 4.12 0.015 0.015 Bal. Ratio (freckle/matrix) 0.96 1.83 2.12 0.95 0.97 1.01 0.82 3.33 4.13 -