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Spontaneous infiltration and wetting behaviors of a Zr-based alloy melt on a porous sic substrate

International Journal of Minerals,Metallurgy and Materials 2018年第7期25卷 817-823页

作者： Zhang Wen Li Hong Li Hai-feng Zhang School of Materials Science and Engineering Shenyang Aerospace UniversityShenyang 110136China School of Materials Science and Engineering Shenyang Ligong UniversityShenyang 110159China Shenyang National Laboratory for Materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China

The spontaaleous infiltration aald wetting behaviors of a Zr-based alloy melt on porous a sic ceramic plate were studied using tile sessile drop metilod by continuous heating and holding for 1800 s at different temperatures in a high-vacuum furnace. The results showed that tile Zr-based alloy melt could pastly infiltrate tile porous sic substrate without pressure due to tile effect of capillary pressure. Wettability and infiltration rates increased witil increasing temperature, and interracial reaction products （ZrC0.7 and TiC） were detected in tile Zr-based alloy/sic ceramic system, likely because of tile reaction of tile active elements Zr and Ti witil elemental C. Furtilelinore, tile redundant ele- ment Si diffused into tile alloy melt.

关键词： spontaneous infiltration wetting interface porous sic Zr-based alloy

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Dynamic indentation response of porous sic/Ti-based metallic glass composite

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Transactions of Nonferrous Metals Society of China 2016年第12期26卷 3154-3160页

作者： Ben-peng WANG Lu WANG Yun-fei XUE Yang-wei WANG Hai-feng ZHANG Hua-meng FU School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China National Key Laboratory of Science and Technology on Materials under Shock and Impact Beijing 100081 China Shenyang National Laboratory for Materials Science Institute of Metal ResearchChinese Academy of Sciences Shenyang 110016 China

porous sic/Ti-based metallic glass composite (Ti-BMGC), a new kind of composite, has significant application prospectin the field of light armor. To evaluate the dynamic mechanical response of the composite, dynamic Vickers hardness andindentation-induced deformation behavior were investigated by comparison with that under static indentation. The dynamic hardnesswas measured by a modified split Hopkinson pressure bar (SHPB). The dynamic hardness is obviously greater than the statichardness. The brittleness parameter under dynamic indentation is also greater than that under static indentation. Although thedynamic indentation induced more severe deformation behavior than the static indentation, the deformation and fracturecharacteristics in the two loading cases are nearly the same, both exhibiting extensive cracks in the sic phase and severe plasticdeformation in the metallic glass phase.

关键词： composite porous sic metallic glass dynamic hardness deformation behavior

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Investigation on the Luminescent Properties of sic

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Semiconductor Photonics and Technology 2003年第3期9卷 182-188页

作者： WANG Qiang, LI Yu-guo, SHI Li-wei, SHUN Hai-bo, XUE Cheng-shan (Institute of Semiconductor, Shandong Normal University, Jinan 250014,CHN) Institute of Semiconductor Shandong Normal University Jinan 250014

Silicon carbide (sic) is an excellent microelectronic material used to fabricate high frequency, high temperature,high power and non-volatile memory *** due to its indirect band gap,sic based LED cant emit light so efficiently as GaN based LED, so people are eager to seek effective means to improve its luminescence efficiency. Amorphous sic, porous crystalline sic, nanometer sic produced by CVD methods and porous sic formed by ion implantation are investigated, and great progresses have been gained during the latest few years,which make sic a promising material for developing OEIC.

关键词： sic amorphous sic porous sic ion implantation OEIC

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