Inhibition performance of aminoalkyl phosphonic acid for steel A3 was studied.Experimental results show that aminoalkyl phosphonic acid is a typically anodic inhibitor and suit to alkaline solution.

• 将氨基烃基膦酸作为金属缓蚀剂对A3钢进行缓蚀研究,试验表明,氨基烃基膦酸是一种典型的阳极缓蚀剂,适合碱性溶液中使用;