°</sup>C 水浴條件下在質(zhì)量分?jǐn)?shù)為 4% 的檸檬酸溶液中的緩蝕率。根據(jù)正交試驗(yàn)結(jié)果，確定BTA、TTA和EA三元復(fù)配體系的最佳質(zhì)量分?jǐn)?shù)分別為0.1500% 、 0.0750% 和 0.0050% ，該配比下緩蝕率達(dá) 98.2% 。使用電化學(xué)工作站、掃描電子顯微鏡、傅里葉變換紅外光譜儀、能量色散X射線光譜儀、界面張力儀對(duì)自組裝膜的耐蝕性能、顯微結(jié)構(gòu)和表面成分、疏水性進(jìn)行表征。結(jié)果表明，相比質(zhì)量分?jǐn)?shù) 0.1500% 的BTA單組分體系，三元復(fù)配體系存在明顯的協(xié)同作用，改變了自組裝膜層的結(jié)構(gòu)，提高了耐蝕性能。-龍?jiān)雌诳W(wǎng)" />

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銅表面BTA聯(lián)合TTA自組裝膜在檸檬酸中耐蝕性能研究

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中圖分類(lèi)號(hào)：TG174.42 文獻(xiàn)標(biāo)志碼：A

文章編號(hào)：2096-2983（2025）03-0078-08

Abstract： Aiming to solve the problem of poor performance of benzotriazole （BTA） self-assembled films on the pure copper surface in high-temperature citric acid solutions，the corrosion inhibition rate of the compounding system containing BTA， tolyltriazole （TTA）， and ethanolamine （EA） in a 4% citric acid solution under a water bath at 60°C was evaluated using inductively coupled plasma optical emission spectrometry. According to the orthogonal test results， the optimal mass fractions of BTA， TTA，and EA in the ternary system were determined to be 0.150 0% ， 0.075 0% ，and 0.0050% ， respectively， achieving a corrosion inhibition rate of 98.2% . The corrosion resistance， microstructure and surface composition，and hydrophobic properties of the self-assembled films were characterized usingelectrochemical workstation， scanning electron microscope， Fourier transform infrared spectroscopy， energy dispersive X-ray spectrometer， and interfacial tensiometer. The results indicate that， compared with the single component system of BTA with a mass fraction of 0.1500% ， the ternary compound group demonstrated a better synergistic effect， which altered the structure of the selfassembled film and improved its corrosion resistance.

Keywords： self-assembled film; benzotriazole; copper; corrosion resistance

銅及其合金具有優(yōu)良的導(dǎo)熱性和延展性，被廣泛應(yīng)用于電子電路和大型加熱換熱設(shè)備[1-4]。（剩余11342字）

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