谈“腐”色变

doi:10.3866/PKU.DXHX202205088

Abstract

Abstract:

Corrosion phenomena are ubiquitous in industrial engineering and in daily life. However, corrosion has caused significant national economic losses and negatively affected social production activities. This essay expounds the causes and mechanisms of corrosion in a way of science popularization and enables readers to adequately understand corrosion phenomena and the practical application of anti-corrosion measures in engineering.

Key words: Corrosion, Electrochemistry, Mechanism, Anti-corrosion

MSC2000:

Senke Tan, Wanshun Li. Turning Pale at the Mention of "Corrosion"[J].University Chemistry, 2022, 37(9): 2205088.

Figures/Tables 7

References 16

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金属及其电极反应	E^o/V	金属及其电极反应	E^o/V	金属及其电极反应	E^o/V
Li $\rightleftharpoons$ Li⁺ + e^?	?3.045	Fe $\rightleftharpoons$ Fe²⁺ + 2e^?	?0.440	As $\rightleftharpoons$ As³⁺ + 3e^?	+0.30
K $\rightleftharpoons$ K⁺ + e^?	?2.925	Cd $\rightleftharpoons$ Cd²⁺ + 2e^?	?0.402	Cu $\rightleftharpoons$ Cu²⁺ + 2e^?	+0.337
Ca $\rightleftharpoons$ Ca²⁺ + 2e^?	?2.87	Mn $\rightleftharpoons$ Mn³⁺ + 3e^?	?0.283	Co $\rightleftharpoons$ Co³⁺ + 3e^?	+0.418
Na $\rightleftharpoons$ Na⁺ + e^?	?2.714	Co $\rightleftharpoons$ Co²⁺ + 2e^?	?0.227	Cu $\rightleftharpoons$ Cu⁺ + e^?	+0.521
Mg $\rightleftharpoons$ Mg²⁺ + 2e^?	?2.37	Ni $\rightleftharpoons$ Ni²⁺ + 2e^?	?0.250	Pb $\rightleftharpoons$ Pb⁴⁺ + 4e^?	+0.784
Al $\rightleftharpoons$ Al³⁺ + 3e^?	?1.66	Mo $\rightleftharpoons$ Mo³⁺ + 3e^?	?0.2	Hg $\rightleftharpoons$ Hg⁺ + e^?	+0.789
Ti $\rightleftharpoons$ Ti²⁺ + 2e^?	?1.63	Sn $\rightleftharpoons$ Sn²⁺ + 2e^?	?0.136	Ag $\rightleftharpoons$ Ag⁺ + e^?	+0.799
Ti $\rightleftharpoons$ Ti³⁺ + 3e^?	?1.21	Pb $\rightleftharpoons$ Pb²⁺ + 2e^?	?0.126	Hg $\rightleftharpoons$ Hg²⁺ + 2e^?	+0.854
Mn $\rightleftharpoons$ Mn²⁺ + 2e^?	?1.18	W $\rightleftharpoons$ W³⁺ + 3e^?	?0.110	Pd $\rightleftharpoons$ Pd²⁺ + 2e^?	+0.987
Nb $\rightleftharpoons$ Nb³⁺ + 3e^?	?1.10	Fe $\rightleftharpoons$ Fe³⁺ + 3e^?	?0.037	Ir $\rightleftharpoons$ Ir³⁺ + 3e^?	+1.00
Cr $\rightleftharpoons$ Cr²⁺ + 2e^?	?0.913	Sn $\rightleftharpoons$ Sn⁴⁺ + 4e^?	+0.007	Pt $\rightleftharpoons$ Pt²⁺ + 2e^?	+1.19
Cr $\rightleftharpoons$ Cr³⁺ + 3e^?	?0.74	Bi $\rightleftharpoons$ Bi³⁺ + 3e^?	+0.216	Au $\rightleftharpoons$ Au³⁺ + 3e^?	+1.250
Zn $\rightleftharpoons$ Zn²⁺ + 2e^?	?0.762	Sb $\rightleftharpoons$ Sb³⁺ + 3e^?	+0.24	Au $\rightleftharpoons$ Au⁺ + e^?	+1.68

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Turning Pale at the Mention of "Corrosion"

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