Effect of annealing temperature on corrosion resistance of aluminum/titanium/steel explosive clad plate

doi:10.13251/j.issn.0254-6051.2025.01.025

Abstract

Abstract: Effect of annealing temperature on the corrosion resistance of 1060Al/TA2/CCSB steel explosive clad plate in artificial seawater was studied by natural immersion method, corrosion electrochemical method and micro-electrochemical test. The results show that pitting corrosion mainly occurs in the explosive clad plate in the artificial seawater solution. With the increase of annealing temperature, the corrosion resistance of the explosive clad plate changes. When annealing at 350 ℃, the radius of the AC impedance spectrum is the largest, the passivation zone appears in the polarization curve, the current density is the lowest, the potential difference between the two bonding interfaces of 1060Al/TA2 and TA2/CCSB steel is the smallest, and the explosive clad plate has the best corrosion resistance. The micro-electrochemical test results show that the TA2/CCSB steel interface has better corrosion resistance. Therefore, the corrosion resistance of the composite plate is improved after annealing treatment.

Key words: explosive clad plate, annealing temperature, pitting corrosion, microelectron-chemistry, corrosion resistance

CLC Number:

TG456.6

Sun Hao, Li Nannan, Zhu Lei. Effect of annealing temperature on corrosion resistance of aluminum/titanium/steel explosive clad plate[J]. Heat Treatment of Metals, 2025, 50(1): 162-168.

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