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[期刊论文] 作者:Dangshe Hou Kezhi Li Hejun Li, 来源:北京科技大学学报:英文版 年份:2008
In order to prevent carbon/carbon composites from oxidation at 1873 K, an efficient oxidation protective SiC/Si-W-Mo coating was prepared by a two-step pack cem...
[期刊论文] 作者:Li Long,Zeng Xierong,Li Hejun,, 来源:稀有金属材料与工程 年份:2009
The thermal fatigue behavior of C/C composites coated with the SiC/MBAS glass (MoSi2 particle-containing boron aluminosilicate glass) coating, prepared by the t...
[期刊论文] 作者:Fu Qiangang Li Hejun Li Kezhi, 来源:稀有金属材料与工程 年份:2009
A SiC whisker-toughened MoSi2-SiC-Si coating was prepared on carbon/carbon (C/C) composites surface by a two-step technique of slurry and pack cementation, and...
[期刊论文] 作者:Li Zhengjia Li Hejun Qi Lehua, 来源:稀有金属材料与工程 年份:2009
The aluminum borate whisker reinforced magnesium matrix composites (Al18B4O33w/Mg) were fabricated by pressure infiltration technique and extrusion-vacuum infil...
[期刊论文] 作者:Ouyang Haibo Li Hejun Qi Lehua, 来源:稀有金属材料与工程 年份:2009
Short carbon fiber reinforced AZ91D alloy (Csf/AZ91D) was fabricated by the infiltration-extrusion method. The short carbon fiber preform was infiltrated with m...
[期刊论文] 作者:Zhang Yulei Li Hejun Fu Qianga, 来源:稀有金属材料与工程 年份:2009
Oxidation protective Si-Mo coatings were prepared by pack cementation on the surface of C/SiC coated carbon/carbon composites. The influences of Mo/Si mass rati...
[期刊论文] 作者:LI Hejun,NIU Xiangnan,ZHENG Xi, 来源:中国航天:英文版 年份:2016
With the completion of the third phase test of the full-scale plume deflection demonstration test for the Chang’e 5 probe at the Beijing Institute of Aeros...
[期刊论文] 作者:Dangshe HOU Kezhi LI Hejun LI, 来源:材料科学技术学报:英文版 年份:2007
W-Mo-Si/SiC 双层氧化防护涂层 forcarbon/carbon ( C/C ) composites 被二拍子的圆舞包装硬化 technique.XRD ( X-raydiffraction )准备, SEM (扫描电子显微镜学)结果涂层由...
[期刊论文] 作者:SHI Xiaohong LI Hejun FU Qiang, 来源:稀有金属:英文版 年份:2006
以便有效地采用唯一的高温度碳 / 碳的机械性质合成底层,原文如此,涂层增强了由原文如此,络腮胡子被包装硬化方法准备。效果原文如此,单个层的涂层和双层涂层的氧化抵抗性质上的......
[期刊论文] 作者:ZHANG Leilei LI Hejun LI Kezhi, 来源:中国机械工程学报 年份:2011
During the process that implant materials are used for bone replacement,the cell responses to implant materials determine the long-term stability of bone re...
[期刊论文] 作者:ZHANG Leilei,LI Hejun,LI Kezhi, 来源:中国机械工程学报 年份:2004
During the process that implant materials are used for bone replacement, the cell responses to implant materials determine the long-term stability of bone repla...
[期刊论文] 作者:SHI Xiaohong,LI Hejun,FU Qiang, 来源:稀有金属(英文版) 年份:2004
In order to effectively employ the unique high temperature mechanical properties of carbon/carbon composite substrates, SiC coatings reinforced by SiC whiskers...
[期刊论文] 作者:SU Juanhua,Li Hejun,DONG Qimin, 来源:机械工程学报 年份:2004
The microstructure of surface peeling in finish rolled Cu-0.1Fe-0.03P sheet is analyzed by scanning electron microscope and energy dispersive spectroscope. Fe-r...
[期刊论文] 作者:Ouyang Haibo,Li Hejun,Qi Lehua, 来源:稀有金属材料与工程 年份:2004
Short carbon fiber reinforced AZ91D alloy (Csf/AZ91D) was fabricated by the infiltration-extrusion method. The short carbon fiber preform was infiltrated with m...
[期刊论文] 作者:Li Hejun,Li Kezhi,Shi Xiaohong, 来源:稀有金属材料与工程 年份:2004
A SiC whisker-toughened MoSi_2-SiC-Si coating was prepared on carbon/carbon (C/C) composites surface by a two-step technique of slurry and pack cementation, and...
[期刊论文] 作者:Zhang Yulei,Li Hejun,Fu Qianga, 来源:稀有金属材料与工程 年份:2004
Oxidation protective Si-Mo coatings were prepared by pack cementation on the surface of C/SiC coated carbon/carbon composites. The influences of Mo/Si mass rati...
[期刊论文] 作者:Li Zhengjia,Li Hejun,Qi Lehua,, 来源:稀有金属材料与工程 年份:2004
The aluminum borate whisker reinforced magnesium matrix composites (Al_(18)B_4O_(33)w/Mg) were fabricated by pressure infiltration technique and extrusion-vacuu...
[期刊论文] 作者:Li Long,Zeng Xierong,Li Hejun,, 来源:稀有金属材料与工程 年份:2004
The thermal fatigue behavior of C/C composites coated with the SiC/MBAS glass (MoSi_2 particle-containing boron aluminosilicate glass) coating, prepared by the...
[期刊论文] 作者:HUANG Jianfeng,LI Hejun,ZENG X, 来源:武汉理工大学学报(材料科学版)(英文版) 年份:2004
Different compositions of yttrium silicates coatings were deposited on SiC-C/C by plasma spraying and an outer borosilicate glass was applied on the yttrium sil...
[期刊论文] 作者:LI Kezhi,LI Hejun,JIANG Kaiyu,, 来源:黑龙江科技学院学报 年份:2000
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
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