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攪拌摩擦焊與手工電弧焊接頭電化學(xué)腐蝕性能研究
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國(guó)家自然科學(xué)基金 (50774059)


Research on Electrochemical Corrosion Properties of Joints by Friction Stir Welding and Manual Arc Welding
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    摘要:

    通過(guò)測(cè)定H65銅合金攪拌摩擦焊接頭和手工電弧焊接頭在3.5%NaCl溶液中的開(kāi)路電位和極化曲線(xiàn)，研究其電化學(xué)腐蝕性能。結(jié)果表明，攪拌摩擦焊接頭的抗腐蝕性能優(yōu)于手工電弧焊接頭。攪拌摩擦焊接頭微觀組織的細(xì)化、均勻化和致密化降低了晶界和晶粒在電化學(xué)上的不均勻性。手工電弧焊接頭脫鋅層和基體界面處產(chǎn)生的拉應(yīng)力對(duì)抗腐蝕性能有較大影響

    Abstract:

    The electrochemical corrosion properties of welded joints of H65 brass alloy by friction stir welding and manual arc welding were studied by measuring open potentials and polarization curves in 3.5% NaCl solution. The result shows that the corrosion resistance of the friction stir welded joint is better than that of manual arc welded joint, because microstructural refinement, homogenization and densification reduced the electrochemical heterogeneity of grains and grain boundaries. The tensile stress between the dezincification layer and substrate has great effect on the corrosion resistance of the manual arc welded joint

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王快社,王 文,郭 韡,張小龍,尹 娟,王文禮.攪拌摩擦焊與手工電弧焊接頭電化學(xué)腐蝕性能研究[J].稀有金屬材料與工程,2010,39(4):747~749.[Wang Kuaishe, Wang Wen, Guo Wei, Zhang Xiaolong, Yin Juan, Wang Wenli. Research on Electrochemical Corrosion Properties of Joints by Friction Stir Welding and Manual Arc Welding[J]. Rare Metal Materials and Engineering,2010,39(4):747~749.]
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  • 收稿日期:2009-04-23
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