首页|微观组织结构调控提高纯锆在多种环境下的耐腐蚀性能

微观组织结构调控提高纯锆在多种环境下的耐腐蚀性能

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研究了不同晶粒尺寸的纯锆(Zr)在酸、碱、盐环境中的腐蚀性能.采用光学显微镜、X射线衍射仪和电子背散射衍射探针对纯Zr的微观结构进行观察.采用电化学腐蚀试验和浸泡试验分析纯锆的耐腐蚀性能.结果表明:800 ℃退火不同时间可获得尺寸为4～32µm的纯Zr,晶粒尺寸与时间的关系为D3-D03=3.35t.电化学腐蚀和浸泡腐蚀试验表明,晶粒尺寸约为24μm的纯Zr(800 ℃退火20 h)具有最佳的耐腐蚀性能.
Corrosion Resistance Enhancement of Pure Zirconium in Various Environments via Microstructure Tailoring
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 ℃ 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 ℃ for 20 h)possesses the optimal corrosion resistance.

pure zirconiumgrain sizevarious environmentscorrosion resistance

夏超群、李可、崔紫尧、宋天朔、吴鑫雨、刘曙光、邹显睿、张士良、杨泰、李强

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河北工业大学 材料科学与工程学院 天津市材料层状复合与界面控制技术重点实验室,天津 300401

河北工业大学工业技术研究院,天津 300401

北京机械工业自动化研究所有限公司 电气物理设备与应用工程技术中心,北京 100120

纯锆 晶粒尺寸 多种环境 耐腐蚀性能

National Natural Science Foundation of ChinaNatural Science Foundation of Tianjin City,ChinaCentral Guidance on Local Science and Technology Development Fund of Hebei ProvinceSpecial Funds for Science and Technology Innovation in HebeiFoundation Strengthening Program

5207112622JCQNJC01240226Z1009G2022X192019-JCJQ-00

2024

10.12442/j.issn.1002-185X.20230663

稀有金属材料与工程
中国有色金属学会,中国材料研究学会,西北有色金属研究院

稀有金属材料与工程

CSTPCD北大核心
影响因子：0.634
ISSN：1002-185X
年,卷(期)：2024.53(8)