柯昌凤,涂国荣,周晓华,杜光旭,王武尚.超细铁纤维SiO2包覆/H2还原复合改性工艺[J].表面技术,2010,39(1):77-80.
KE Chang-feng,TU Guo-rong,ZHOU Xiao-hua,DU Guang-xu,WANG Wu-shang.SiO2Coating/ H2Reduction Processes of Superfine Iron Fiber[J].Surface Technology,2010,39(1):77-80 |
| 超细铁纤维SiO2包覆/H2还原复合改性工艺 |
| SiO2Coating/ H2Reduction Processes of Superfine Iron Fiber |
| 投稿时间：2009-07-08 修订日期：2010-02-10 |
| DOI： |
| 中文关键词: 超细铁纤维 SiO2包覆 H2还原 |
| 英文关键词:Superfine iron fiber SiO2coating H2reduction |
| 基金项目: |
| 作者 | 单位 |
| 柯昌凤 | 西北核技术研究所,西安710024 |
| 涂国荣 | 西北核技术研究所,西安710024 |
| 周晓华 | 西北核技术研究所,西安710024 |
| 杜光旭 | 西北核技术研究所,西安710024 |
| 王武尚 | 西北核技术研究所,西安710024 |
|
| Author | Institution |
| KE Chang-feng | Northwest Institution of Nuclear Technology, Xi'an 710024, China |
| TU Guo-rong | Northwest Institution of Nuclear Technology, Xi'an 710024, China |
| ZHOU Xiao-hua | Northwest Institution of Nuclear Technology, Xi'an 710024, China |
| DU Guang-xu | Northwest Institution of Nuclear Technology, Xi'an 710024, China |
| WANG Wu-shang | Northwest Institution of Nuclear Technology, Xi'an 710024, China |
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| 中文摘要: |
| 为了提高超细铁纤维的抗氧化性能并改善其电磁参数,采用SiO2包覆/H2还原复合工艺对超细铁纤维(D≈ 0.3μm)进行改性,并对包覆层厚度、纤维电阻率、电磁参数、吸波性能、抗氧化性能等进行分析测试。实验结果表明:在优化工艺条件下得到平均理论厚度为3 nm的SiO2包覆层,能使纤维的表面绝缘化,有效地提高纤维的吸波性能,并显著提高纤维的抗氧化性能;对包覆纤维进行H2还原处理,在保证防烧结的前提下能有效降低其杂质含量。 |
| 英文摘要: |
| In order to improve the oxidation resistance and electromagnetic parameters of the superfine iron fiber, SiO2coating and H2reduction processes were introduced to modify the superfine iron fiber. The coating thickness, resistivity, electromagnetic parameters, absorbing performance, oxidation resistance etc were measured and analyzed. SiO2 coating with average thickness of 3 nm can be achieved by optimized process,whichinsulates the surface of the fiber,and enhances the absorbing performance and oxidation resistance of the fiber. H2reduction of the SiO2coated fiber reduces the impurity content prominently when the sinter of the fiber is prevented by the SiO2coating. |
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