Journal of Inorganic Materials, Volume. 40, Issue 7, 790(2025)
Figures & Tables(12)
1. Geometry of laminated Ta/Ta0.5Hf0.5C cermets sample for ablation
2. Ablation schematic representation of laminated Ta/Ta0.5Hf0.5C cermets in plasma wind tunnel
3. (a, b) Optical images of laminated Ta/Ta0.5Hf0.5C cermets before (a) and after (b) plasma wind tunnel ablation; (c) Ablation temperature curve
4. XRD patterns of laminated Ta/Ta0.5Hf0.5C cermets before (a) and after (b) plasma wind tunnel ablation
5. Microstructure of laminated Ta/Ta0.5Hf0.5C cermets before plasma wind tunnel ablation
6. Microstructure and EDS analysis of central region of laminated Ta/Ta0.5Hf0.5C cermets after plasma wind tunnel ablation
7. Microstructure of edge region of laminated Ta/Ta0.5Hf0.5C cermets after plasma wind tunnel ablation
8. Cross-sectional microstructure of laminated Ta/Ta0.5Hf0.5C cermets after plasma wind tunnel ablation
9. Microstructure of crack generated inside laminated Ta/Ta0.5Hf0.5C cermets after plasma wind tunnel ablation
10. Schematic diagram of plasma wind tunnel ablation process of laminated Ta/Ta0.5Hf0.5C cermets
Table 1. Ablation resistance properties of typical high-temperature materials ablated under temperature of ~3000 ℃[19-23]
View tableView in ArticleTable 1. Ablation resistance properties of typical high-temperature materials ablated under temperature of ~3000 ℃[19-23]
Material Ablation method Ablation temperature/℃ Ablation time/s Linear ablation rate/(mm•s-1) Mass ablation rate/(g•s-1) Reference C/C composites Motor ground ignition test ~3000 60 0.142 - [ 19 ]C/C composites Arc wind tunnel abltion ~3000 200 0.030 - [ 20 ]C/C-SiC composites Oxyacetylene ablation ~3000 60 0.096 0.024 [ 21 ]C/C-SiC-Ti3SiC2 composites Oxyacetylene ablation ~3000 60 0.060 0.012 [ 21 ]C/C-Zr0.83Ti0.17C composites Oxyacetylene ablation ~3000 60 0.016 0.004 [ 22 ]Zr0.8Ti0.2C0.74B0.26 coated C/C composites Oxyacetylene ablation ~3000 60 0.001 0.008 [ 23 ]Ta/Ta0.5Hf0.5C cermets Plasma wind tunnel ablation ~3000 30 0.019 0.061 This work
Table 2. Elements contents (in atom) of different areas in the cross section of laminated Ta/Ta0.5Hf0.5C cermets after ablation
View tableView in ArticleTable 2. Elements contents (in atom) of different areas in the cross section of laminated Ta/Ta0.5Hf0.5C cermets after ablation
Area Ta/% Hf/% O/% C/% Ⅰ 9.89 11.01 40.06 39.05 Ⅱ 20.62 1.64 25.10 52.64 Ⅲ 4.31 3.69 31.07 60.92 Ⅳ 18.28 0 34.92 46.79 Ⅴ 14.83 3.87 14.23 67.07 Ⅵ 23.93 0.08 6.11 69.88
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Yiping YU, Peng XIAO, Changhao ZHAO, Mengdi XU, Lidong YAO, Wei LI, Song WANG.
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Received: Dec. 4, 2024
Accepted: --
Published Online: Sep. 3, 2025
The Author Email: Song WANG (wangs_0731@163.com)
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