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中文摘要：
开发了一种新型的制备氧化物弥散强化（ODS）铁素体钢的方法，用该方法研制的12Cr-ODS钢具有优异的室温和高温拉伸强度、较低的韧脆转化温度、良好的抗蠕变性能和抗辐照肿胀性能．分析了预合金粉末中氧化物（Y2O3）经焙烧热分解、热等静压的界面反应和热变形析出过程和演化行为，并提出选用合理的工艺技术有利于氧化物强化相均匀化．
英文摘要：
A new production route for producing a new class of oxides dispersion strengthened （ODS） steels was investigated. The steel produced by the chemical socking method has high temperature strength, low ductile-to-brittle transition temperature, good creep properties and void swelling resistance. The formation process and behavior of oxides （ Y2 03 ） in the prealloyed powders were analyzed in the process of thermal decomposition, interracial reactions of hot isostatic pressing, and precipitation of deformation processing. A uniform distribution of oxide particles could be obtained by selecting reasonable parameters.
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