3-D03=3.35t。電化學(xué)腐蝕和浸泡腐蝕試驗(yàn)表明，晶粒尺寸約為24 μm的純Zr（800 ℃退火20 h）具有最佳的耐腐蝕性能。"/>

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微觀組織結(jié)構(gòu)調(diào)控提高純鋯在多種環(huán)境下的耐腐蝕性能
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作者單位:

1.河北工業(yè)大學(xué) 材料科學(xué)與工程學(xué)院 天津市材料層狀復(fù)合與界面控制技術(shù)重點(diǎn)實(shí)驗(yàn)室，天津 300401;2.河北工業(yè)大學(xué) 工業(yè)技術(shù)研究院，天津 300401;3.北京機(jī)械工業(yè)自動(dòng)化研究所有限公司 電氣物理設(shè)備與應(yīng)用工程技術(shù)中心，北京 100120

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國家自然科學(xué)基金項(xiàng)目（面上項(xiàng)目，重點(diǎn)項(xiàng)目，重大項(xiàng)目）


Corrosion Resistance Enhancement of Pure Zirconium in Various Environments via Microstructure Tailoring
Author:
Affiliation:

1.Tianjin Key Laboratory of Materials Laminating Fabrication and Interface Control Technology, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300401, China;2.Industrial Technology Research Institute, Hebei University of Technology, Tianjin 300401, China;3.Engineering Research Center for Electrophysical Apparatus and Application Technology, Beijing Research Institute of Automation for Machinery Industry Co., Ltd, Beijing 100120, China

Fund Project:

National Natural Science Foundation of China (52071126); Natural Science Foundation of Tianjin City, China (22JCQNJC01240); Central Guidance on Local Science and Technology Development Fund of Hebei Province (226Z1009G); Special Funds for Science and Technology Innovation in Hebei (2022X19); Foundation Strengthening Program (2019-JCJQ-00)

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    摘要:

    研究了不同晶粒尺寸的純鋯（Zr）在酸、堿、鹽環(huán)境中的腐蝕性能。采用光學(xué)顯微鏡、X射線衍射儀和電子背散射衍射探針對純Zr的微觀結(jié)構(gòu)進(jìn)行觀察。采用電化學(xué)腐蝕試驗(yàn)和浸泡試驗(yàn)分析純鋯的耐腐蝕性能。結(jié)果表明：800 ℃退火不同時(shí)間可獲得尺寸為 4~32 μm的純Zr，晶粒尺寸與時(shí)間的關(guān)系為D3-D03=3.35t。電化學(xué)腐蝕和浸泡腐蝕試驗(yàn)表明，晶粒尺寸約為24 μm的純Zr（800 ℃退火20 h）具有最佳的耐腐蝕性能。

    Abstract:

    The corrosion properties of pure zirconium (Zr) with different grain sizes in acid, alkali, and salt environments were studied. The microstructures of pure Zr were observed by optical microscope, X-ray diffractometer, and electron backscattered diffraction probe. The corrosion resistance of pure Zr was analyzed by electrochemical corrosion test and immersion test. Results show that pure Zr with grain size of 4–32 μm can be obtained after annealing at 800 °C for different durations, and the relationship between grain size and annealing duration is D3-D03=3.35t. The electrochemical corrosion and immersion corrosion test results show that the pure Zr with grain size of about 24 μm (annealing at 800 °C for 20 h) possesses the optimal corrosion resistance.

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夏超群,李可,崔紫堯,宋天朔,吳鑫雨,劉曙光,鄒顯睿,張士良,楊泰,李強(qiáng).微觀組織結(jié)構(gòu)調(diào)控提高純鋯在多種環(huán)境下的耐腐蝕性能[J].稀有金屬材料與工程,2024,53(8):2109~2122.[Xia Chaoqun, Li Ke, Cui Ziyao, Song Tianshuo, Wu Xinyu, Liu Shuguang, Zou Xianrui, Zhang Shiliang, Yang Tai, Li Qiang. Corrosion Resistance Enhancement of Pure Zirconium in Various Environments via Microstructure Tailoring[J]. Rare Metal Materials and Engineering,2024,53(8):2109~2122.]
DOI：10.12442/j. issn.1002-185X.20230663

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  • 收稿日期:2023-10-24
  • 最后修改日期:2023-12-19
  • 錄用日期:2024-01-05
  • 在線發(fā)布日期: 2024-08-09
  • 出版日期: 2024-08-08