【摘要】 用单辊和双辊法进行液态金属急冷淬火得到厚度为1.30mm,宽度为15mm及厚度为0.35mm,宽度为40mm的Pd-Ag-Si合佥非晶态条带,其几何尺寸满足声信号传输条件。用此材料做成实用及性能良好的超声延迟线器件。测得该材料的声速为1.71km/sec(剪切波),在30MHz下超声衰减≤0.15dB/μs。更多还原

【Abstract】 We have made ribbons of metallic glass Pd_77.5 Ag₆ Si_16.5 with cross sections 1.2×15mm² and 0.35×40mm² by a single roller and double roller quenching methods respectively, which are suitable for ultrasonic delay-line The sound transmission velocity is 1.71km/sec （shear wave） and the ultrasonic attenuation is 0.15dB/μs at 30MHz in ribbons of metallic glass Pd_77.5 Ag₆ Si_16.5. The delay lines of ultrasonic wave have been made and we have found that their properties were good for some applications.更多还原