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所用材料是将1mm的带钢加热至1000℃进行固溶处理,再于冰水中淬火。冷轧NiCr和NiCrFe样品的压下量分别为60％和35％。样品的热处理均是在不同温度保温三小时后炉冷至室温。用分辨率为1.3keV(对~(35)Sr 514keV γ)的Ge(Li)探测器系统测展宽谱。
The material used is 1mm strip heated to 1000 ℃ solution treatment, and then quenched in ice water. The reduction of cold-rolled NiCr and NiCrFe samples was 60% and 35%, respectively. The heat treatment of the samples was carried out by cooling the furnace to room temperature after keeping the temperature for three hours at different temperatures. The broad spectrum was measured with a Ge (Li) detector system with a resolution of 1.3 keV (vs. (35) Sr 514keV γ).