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配制两种成分（共晶、亚共晶）的高铬铁碳合金,使之进行定向凝固。对共晶碳化物和共晶组织结构特点进行了观察分析:在适当的凝固速度,共晶成分合金能从不稳定生长过渡到稳定生长阶段,显微组织发生一系列宏观变化;但凝固速度极小又会诱发固/液界面变异。
Preparation of two components (eutectic, hypoeutectic) of high chromium iron carbon alloy, so that the directional solidification. The eutectic carbide and eutectic microstructures were observed and analyzed. At the appropriate solidification rate, the eutectic composition alloy can transition from unstable growth to stable growth stage, and a series of macroscopic changes occur in the microstructure. However, Small and will induce solid / liquid interface variation.