Knowledge Management System Of Institute of process engineering,CAS
| Preparation and Characterization of Co0.3Cr0.7Ox Particles Using for Thermal Radiation Coating | |
| Alternative Title | Rare Metal Mat. Eng. |
| Luo Lijie1,2; Huang Chuanbing1; Zhu Yongping1; Zhang Weigang1 | |
| 2012-02-01 | |
| Source Publication | RARE METAL MATERIALS AND ENGINEERING
 |
| ISSN | 1002-185X |
| Volume | 41Issue:S1Pages:100-103 |
| Abstract | Novel Co0.3Cr0.7Ox (x=2-3) particles with spinel structure were synthesized via precipitation method through the reactions among CoSO4, Cr(NO3)(3) and NaOH solutions, followed by spray-drying and sintering at 1200 degrees C for 4h in the air. The particles were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The XRD results revealed that the particles are composed of Co0.3Cr0.7Ox phase without the presence of other phases. The SEM observation showed that the particles are in the shape of sphere with well flowability. Infrared radiation test indicated that the total infrared normal emissivity of the coating made of Co0.3Cr0.7Ox can be up to 0.92 at 800 degrees C. And the normal emissivities of the prepared Co0.3Cr0.7Ox particles are always slightly larger than those of CoCr2O4 particles prepared by solid-state reaction method in the test temperature range of 50-300 degrees C. The relatively high thermal emissivity of Co0.3Cr0.7Ox is assumed to be mainly attributed to the spinel structure. These results indicated that Co0.3Cr0.7Ox particles are a good thermal radiation material, which can be used as infrared radiation layer in thermal protection system.; Novel Co0.3Cr0.7Ox (x=2-3) particles with spinel structure were synthesized via precipitation method through the reactions among CoSO4, Cr(NO3)(3) and NaOH solutions, followed by spray-drying and sintering at 1200 degrees C for 4h in the air. The particles were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The XRD results revealed that the particles are composed of Co0.3Cr0.7Ox phase without the presence of other phases. The SEM observation showed that the particles are in the shape of sphere with well flowability. Infrared radiation test indicated that the total infrared normal emissivity of the coating made of Co0.3Cr0.7Ox can be up to 0.92 at 800 degrees C. And the normal emissivities of the prepared Co0.3Cr0.7Ox particles are always slightly larger than those of CoCr2O4 particles prepared by solid-state reaction method in the test temperature range of 50-300 degrees C. The relatively high thermal emissivity of Co0.3Cr0.7Ox is assumed to be mainly attributed to the spinel structure. These results indicated that Co0.3Cr0.7Ox particles are a good thermal radiation material, which can be used as infrared radiation layer in thermal protection system. |
| Keyword | Co0.3cr0.7ox Particles Preparation Precipitation Thermal Radiation Coating |
| Subtype | Article |
| WOS Headings | Science & Technology ; Technology |
| URL | 查看原文 |
| Indexed By | SCI |
| Language | 英语 |
| WOS Keyword | HIGH EMISSIVITY ; X-RAY ; FERRITE ; FE |
| WOS Research Area | Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000303635900023 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Version | 出版稿 |
| Identifier | http://ir.ipe.ac.cn/handle/122111/6443 |
| Collection | 研究所（批量导入） |
| Affiliation | 1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China |
| Recommended Citation GB/T 7714 | Luo Lijie,Huang Chuanbing,Zhu Yongping,et al. Preparation and Characterization of Co0.3Cr0.7Ox Particles Using for Thermal Radiation Coating[J]. RARE METAL MATERIALS AND ENGINEERING,2012,41(S1):100-103. |
| APA | Luo Lijie,Huang Chuanbing,Zhu Yongping,&Zhang Weigang.(2012).Preparation and Characterization of Co0.3Cr0.7Ox Particles Using for Thermal Radiation Coating.RARE METAL MATERIALS AND ENGINEERING,41(S1),100-103. |
| MLA | Luo Lijie,et al."Preparation and Characterization of Co0.3Cr0.7Ox Particles Using for Thermal Radiation Coating".RARE METAL MATERIALS AND ENGINEERING 41.S1(2012):100-103. |
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| PreparationandCh_省略_（452KB） | 限制开放 | CC BY-NC-SA | Application Full Text | |||
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