The mixed SCC mechanism of the anode dissolution and hydrogen brit-tleness was put forward in this paper.

• 试验结果表明:16MnR钢应力腐蚀断裂是材料、组织、位错、晶界、电化学、力学等因素相互作用的结果,其断裂机理为活性通道阳极溶解和氢脆混合机制。