The effect of tempering on the microstructure of ultra-low carbon bainitic(ULCB) steels produced by relaxation precipitation controlled phase transformation(RPC) has been investigated by EBSD.

• 运用电子背散射衍射(EBSD)研究了弛豫析出控制相变(RPC)技术生产的超细化低碳贝氏体钢回火后组织的变化。