综述了金属平衡电位与溶液 p H值的关系、理论电位 - p H图与实验电位 - p H图的绘制 ,分析了电位 - p H图在腐蚀研究应用中的理论判据。着重探讨了核反应堆材料的电位 - p H平衡图 ,且在铝、锆两种重要的核材料的电位 - p H图的基础上 ,对其电化学性能和应用进行了分析和推测。概述了电位 - p H图在核材料腐蚀研究中的应用 ,并就该方向的进一步研究提出了看法 The relationship between the equilibrium potential of metal and the p H value of the solution is reviewed. The theoretical potential p H and the experimental potential p H are plotted. The theoretical criteria of the potential p H diagram in the application of corrosion research are analyzed. The potential-p H equilibrium diagram of nuclear reactor materials is emphatically discussed. Based on the potentials p H of two important aluminum and zirconium materials, their electrochemical properties and applications are analyzed and speculated. The application of the potential-p H diagram in the study of nuclear material corrosion is summarized, and a view is given on the further study in this direction