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Discussion on the Mechanism of cBN Synthesized by Benzene Thermal Method Using (C2H5)2O·BF3 and Li3N as Reactants
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Shao-Bo WANG1, Xiao-Wei XU1, Hui-Li FAN2, Yan-Jun ZHENG2, Yu-Ping LI1
Chinese Journal of High Pressure Physics | 2006, 20(1) : 29 - 33
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Chinese Journal of High Pressure Physics | 2006, 20(1): 29-33
Discussion on the Mechanism of cBN Synthesized by Benzene Thermal Method Using (C2H5)2O·BF3 and Li3N as Reactants
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Shao-Bo WANG1, Xiao-Wei XU1, Hui-Li FAN2, Yan-Jun ZHENG2, Yu-Ping LI1
Affiliations
  • 1.Material Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China
  • 2.Applied Science School, University of Science and Technology Beijing, Beijing 100083, China
Published: 2006-03-05
Outline
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BN is synthesized by benzene thermal method using (C2H5)2O·BF3 and Li3N as reactants and its phase transition mechanism is studied. Not only hBN and cBN are found in the products testified by XRD and FTIR, but also oBN, atmosphere form Li3BN2(O) and high pressure form Li3BN2(T) are discovered. The differences of cBN catalytic mechanism between high pressure and high temperature method and benzene thermal synthesis method are analyzed. Furthermore, the catalytic mechanism of Li3BN2 to synthesize BN using Li3N and (C2H5)2O·BF3 as reactants is discussed. At the same time, it stands out the atmosphere form Li3BN2(O) and the high pressure form Li3BN2(T) can catalyze the synthesis of cBN and oBN, respectively.

benzene thermal method  /  boron nitride  /  lithium boron nitride  /  boron trifluoride etherate  /  lithium nitride
王少波, 徐晓伟, 范慧俐, 郑延军, 李玉萍. 用（C2H5）2O·BF3和Li3N苯热合成cBN机理探讨. 高压物理学报, 2006 , 20 (1) : 29 -33 .
Shao-Bo WANG, Xiao-Wei XU, Hui-Li FAN, Yan-Jun ZHENG, Yu-Ping LI. Discussion on the Mechanism of cBN Synthesized by Benzene Thermal Method Using (C2H5)2O·BF3 and Li3N as Reactants[J]. Chinese Journal of High Pressure Physics, 2006 , 20 (1) : 29 -33 .
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Year 2006 volume 20 Issue 1
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Article Info
  • Receive Date：2005-01-04
  • Online Date：2026-11-01
  • Published：2006-03-05
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  • Received：2005-01-04
  • Revised：2005-03-29
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Affiliations
    1.Material Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China
    2.Applied Science School, University of Science and Technology Beijing, Beijing 100083, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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