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<正> 有关非晶态合金急冷速度的直接测定,尤其是对于熔体快速喷铸过程,由于实验技术的困难,尚未妥善解决。本工作运用红外热成像技术,并对喷铸过程作必要的技术处理后,直接测

The direct measurement of quenching rate during the amorphous ribbon formation of alloys Fe-Si-B and Ni-P by using an infrared thermal photography technique is described. Experimental results show that the critical quenching rate of amorphous alloy Fe-Si-B or Ni-P formation is 5.0×10~5 or 1.0×10~5℃/s related to the linear wheel speed 17.0 or 12.0 m/s respectively.

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