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1·The B is obviously redistributed in B steel within the whole carbonized and carbonitrided case because of the interaction between B with N and C during carbonizing and carbonitriding.

含硼钢渗碳和碳氮共渗时，由于硼与氮及碳之间的相互作用，硼在整个渗层范围内发生明显的再分布。