摘要
Ⅰ. INTRODUCTIONThree high-temperature intermetallic compounds, the β-phase (x<sub>In</sub> = 0.185-0.245, T= 847-983K), the γ-phase(x<sub>In</sub>=0.277-0.313, T=891-957K), and the η-phase (x<sub>In</sub>=0.33-0.376, T= 713-940K), are shown in the phase diagram of Cu-In system.