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利用ＨＲＬ－１型热裂纹试验机，系统地研究了Ｃ，Ｙ，Ｃｏ，Ｍｏ，Ａｌ及Ｓｉ对纯镍型铸铁焊条热裂纹敏感性的影响。
The influence of C, Y, Co, Mo, Al and Si on the thermal cracking susceptibility of pure nickel cast iron electrode was studied systematically using HRL-1 hot crack tester.