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讨论了磷对高锰钢机械性能、裂纹敏感性和使用寿命的影响；同时提出微合金化、改善冶炼和热处理工艺的预防措施。
The effect of phosphorus on the mechanical properties, crack sensitivity and service life of high manganese steel was discussed. At the same time, the microalloying was proposed to improve the preventive measures of smelting and heat treatment process.