采用电弧熔炼母合金、普通铜模吸铸工艺,制备出尺寸规格为20m×10mm×1mm的板状Fe-co-ZrMo-W-B系Fe-基大块非晶合金.经DTA检测,所制备的Fe-基非晶合金具有明显的玻璃转变温度和较宽的过冷液相区(Tg=884K,ATx≥60K).采用压痕试验法测定了该板状Fe-基大块非晶合金的断裂韧性,其铸态断裂韧性在1.6MPa·mi/2量级.
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