Effects of Carbon Sources on Structure and Properties of TaC Ceramic Powder Prepared by Polymer Derived Ceramics

Table 1. Average grain size of TaC powder with different carbon source ratios
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Table 1. Average grain size of TaC powder with different carbon source ratios
Sample L/nm Sample L/nm
PTC1-10 62.5 PTC2-20 71.3
PTC1-15 73.9 PTC2-30 67.9
PTC1-20 67.2 PTC2-35 66.0
PTC1-25 47.2 PTC2-40 60.9
PTC1-30 45.5 PTC2-45 54.8
PTC1-35 39.7
PTC1-40 37.5

Table 2. Center positions of D and G peaks of PTC1-25 products obtained at different pyrolysis temperatures and ratios of ${{I}_{\mathbf{D}}}/{{I}_{\mathbf{G}}}$
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Table 2. Center positions of D and G peaks of PTC1-25 products obtained at different pyrolysis temperatures and ratios of ${{I}_{\mathbf{D}}}/{{I}_{\mathbf{G}}}$
Temperature/℃ ω_D/cm^-1 ω_G/cm^-1 ${{I}_{\text{D}}}/{{I}_{\text{G}}}$
1200 1313 1576 2.045
1300 1315 1579 1.641
1400 1313 1580 1.605

Table 3. Elements mass contents of TaC powders obtained at optimal tantalum/carbon ratio
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Table 3. Elements mass contents of TaC powders obtained at optimal tantalum/carbon ratio
Sample Ta/% C/% O/% C_free/%
PTC1-25 91.72 5.02 1.31 2.19
PTC2-40 92.14 6.42 0.89 1.75

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Jingwei SUN, Honglei WANG, Chuhan SUN, Xingui ZHOU, Xiaoyu JI. Effects of Carbon Sources on Structure and Properties of TaC Ceramic Powder Prepared by Polymer Derived Ceramics[J]. Journal of Inorganic Materials, 2023, 38(2): 184

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Paper Information

Category: EDITORIAL

Received: Sep. 22, 2022

Accepted: --

Published Online: Sep. 27, 2023

The Author Email: Jingwei SUN (sunjingwei0120@163.com)

DOI:10.15541/jim20220553

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Average grain size of TaC powder with different carbon source ratios

Table 1. Average grain size of TaC powder with different carbon source ratios

Table 2. Center positions of D and G peaks of PTC1-25 products obtained at different pyrolysis temperatures and ratios of ${{I}_{\mathbf{D}}}/{{I}_{\mathbf{G}}}$

Table 2. Center positions of D and G peaks of PTC1-25 products obtained at different pyrolysis temperatures and ratios of ${{I}_{\mathbf{D}}}/{{I}_{\mathbf{G}}}$

Table 3. Elements mass contents of TaC powders obtained at optimal tantalum/carbon ratio

Table 3. Elements mass contents of TaC powders obtained at optimal tantalum/carbon ratio