With increasing corrosion time the impact toughness of high Mn steel obviously decreased. The major mechanism was effect of the caustic embrittlement cracking.
随着热强碱腐蚀时间的延长，高锰钢的冲击韧度明显降低，碱脆开裂是造成高锰钢冲击韧度下降的主要原因。
With an increase of the chromium content in the cast steel, active dissolving corrosion increased, however, tendency of caustic embrittlement cracking decreased.
随着钢中含铬量的增加，试验材料的活性溶解腐蚀失重增大，但碱脆开裂的倾向减少。
The high Mn steel caustic embrittlement cracking was distinct in corrosion. With increasing corrosion time the impact toughness of high Mn steel obviously decreased.
随着热强碱腐蚀时间的延长，高锰钢的冲击韧度明显降低，碱脆开裂是造成高锰钢冲击韧度下降的主要原因。
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