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Effect of Boron Contained in the Catalyst on Thermal Stability of Boron-Doped Diamond Single Crystals
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Mei WANG1, 2, He-Sheng LI1, 2, Mu-Sen LI1, 2, Jian-Hong GONG1, 2, Bin TIAN1, 2
Chinese Journal of High Pressure Physics | 2008, 22(2) : 215 - 219
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Chinese Journal of High Pressure Physics | 2008, 22(2): 215-219
• Research Note •
Effect of Boron Contained in the Catalyst on Thermal Stability of Boron-Doped Diamond Single Crystals
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Mei WANG1, 2, He-Sheng LI1, 2, Mu-Sen LI1, 2, Jian-Hong GONG1, 2, Bin TIAN1, 2
Affiliations
  • 1.School of Materials Science and Engineering, Shandong University, Jinan 250061, China
  • 2.Shandong Engineering Research Center for Super Hard Materials, Zoucheng 273500, China
Published: 2008-06-05
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The synthesizing diamond experiment was carried out at cubic hinge press apparatus with iron-based catalyst made by powder metallurgy, in which hexahedral nitride boron (h-BN) was doped with different proportions. Microstructures and morphologies of the diamond single crystals were observed under stereological microscope, and the boron concentration was investigated by electron probe microanalysis (EPMA) and wave distribution spectrum (WDS). It is shown that boron element exists on the (111) crystal surface of diamond, and the concentration of boron changes with boron content in the catalyst. Static compressive strength was also measured. Furthermore, impact toughness measurement, different thermal analysis (DTA), and thermal gravity (TG) analysis were performed to probe into the thermal stability of different boron-doped diamond in atmosphere. The results demonstrate that boron content in the catalyst plays a very important role in mechanical performance and thermal stability of boron-doped diamond, which possess optimum values with increase of the boron concentration.

boron content  /  boron-doped diamond  /  thermal impact toughness  /  static compressive strength  /  thermal stability
王美, 李和胜, 李木森, 宫建红, 田彬. 硼掺入量对含硼金刚石单晶热稳定性的影响. 高压物理学报, 2008 , 22 (2) : 215 -219 .
Mei WANG, He-Sheng LI, Mu-Sen LI, Jian-Hong GONG, Bin TIAN. Effect of Boron Contained in the Catalyst on Thermal Stability of Boron-Doped Diamond Single Crystals[J]. Chinese Journal of High Pressure Physics, 2008 , 22 (2) : 215 -219 .
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Year 2008 volume 22 Issue 2
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  • Receive Date：2007-03-12
  • Online Date：2026-11-01
  • Published：2008-06-05
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History
  • Received：2007-03-12
  • Revised：2007-05-15
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Affiliations
    1.School of Materials Science and Engineering, Shandong University, Jinan 250061, China
    2.Shandong Engineering Research Center for Super Hard Materials, Zoucheng 273500, 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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