Effect of quenching rate of solution treatment on corrosion resistance and mechanical properties of a novel Na2MoO4@CNT/Al-Zn-Mg-Cu composite

被引：2
作者：
Yang, Jie [1 ,2 ]
Wang, Zhengbin [1 ]
Li, Qing [1 ,2 ]
Xiao, Zhixiang [1 ,2 ]
Liu, Zhenyu [3 ]
Xiao, Bolv [3 ]
Ma, Zongyi [3 ]
Zheng, Yugui [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
[2] Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
[3] Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
来源：
CORROSION SCIENCE | 2025年 / 245卷
基金：
中国国家自然科学基金;
关键词：
Al-Zn-Mg-Cu matrix composite; Quenching rate; Corrosion resistance; Mechanical property; Carbon nanotube; Precipitant; EXFOLIATION CORROSION; LOCALIZED CORROSION; CU ALLOY; ALUMINUM; BEHAVIOR; MICROSTRUCTURE; PRECIPITATION; SENSITIVITY; MOLYBDATE; SUSCEPTIBILITY;
D O I：
10.1016/j.corsci.2025.112688
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of quenching rate on corrosion and mechanical properties of a novel Na2MoO4@CNT/Al-Zn-Mg-Cu composite is investigated. The results show that the corrosion resistance of this composite is not sensitive to quenching rate, maintaining a low corrosion rate of similar to 0.01 mm/y in 0.6 mol/L NaCl solution and the highest resistance to intergranular and exfoliation corrosion. Besides, ultrahigh strength of this composite decreases but the elongation increases greatly with decreasing the quenching rate. The low quenching sensitivity to corrosion results from the formation of protective surface films promoted by surface enrichment of the MoO42- ions spontaneously released from exposed CNTs.
引用
收藏
页数：13
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