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AA2219-T87鋁合金雙軸肩攪拌摩擦焊的腐蝕行為
作者:
作者單位:

1.北京石油化工學院 機械工程學院，北京 102617;2.北京宇航系統(tǒng)工程研究所，北京 100076;3.駐成都地區(qū)代表室，四川 成都 610100

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中圖分類號:

TG453.9

基金項目:

國家自然科學基金項目（NSFC(51774047)）


Corrosion Behavior of Self-Reacting Friction Stir Welded AA2219-T87 Aluminum Alloy
Author:
Affiliation:

1.School of Mechanical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China;2.Beijing Institute of Aerospace Systems Engineering, Beijing 100076, China;3.Regional Representative Office in Chengdu, Chengdu 610100, China

Fund Project:

National Natural Science Foundation of China (51774047)

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    摘要:

    采用電化學腐蝕和浸泡腐蝕試驗對雙軸肩攪拌摩擦焊AA2219-T87型鋁合金的不同區(qū)域進行了腐蝕研究。結(jié)果表明，焊縫區(qū)具有最高的耐腐蝕性，母材的耐腐蝕性最差。母材中析出相的體積分數(shù)最高，越靠近焊核，析出相回溶數(shù)量越多。焊核區(qū)由細小的等軸晶組成，只存在少量θ相

    Abstract:

    The corrosion behavior of different regions of AA2219-T87 aluminum alloys after self-reacting friction stir welding was investigated through the electrochemical corrosion and immersion corrosion tests. The results show that the weld nugget zone (WNZ) has the optimal corrosion resistance, while the base material shows the worst corrosion resistance. In the base material, the volume fraction of precipitated phase is the largest. The closer the area to the nugget center, the more the dissolving precipitated phase. WNZ is composed of fine equiaxed grains with a small amount of θ phase.

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引用本文

邵明皓,張健,王渭平,劉德博,郭啟龍,張華.AA2219-T87鋁合金雙軸肩攪拌摩擦焊的腐蝕行為[J].稀有金屬材料與工程,2022,51(5):1620~1626.[shaominghao, zhangjian, wangweiping, liudebo, guoqilong, zhanghua. Corrosion Behavior of Self-Reacting Friction Stir Welded AA2219-T87 Aluminum Alloy[J]. Rare Metal Materials and Engineering,2022,51(5):1620~1626.]
DOI：10.12442/j. issn.1002-185X.20210259

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  • 收稿日期:2021-03-25
  • 最后修改日期:2021-04-23
  • 錄用日期:2021-05-24
  • 在線發(fā)布日期: 2022-05-31
  • 出版日期: 2022-05-30