Formation and Stability of Metastable Tungsten Carbide Nanoparticles

Kolel-Veetil Manoj K.; Goswami Ramasis; Fears Kenan P.; Qadri Syed B.; Lambrakos Samuel G.; Laskoski Matthew; Keller Teddy M.; Saab Andrew P.

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Formation and Stability of Metastable Tungsten Carbide Nanoparticles

机译：亚稳态碳化钨纳米粒子的形成与稳定性

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The low temperature transformation pathways of tungsten carbide formation in the nanoscale regime were investigated using a reactive carbon molecule and tungsten. WC core/W shell nanoparticles produced by the decomposition of metastable W2C were discovered using TEM. XRD studies revealed both the elemental and carbide phases of tungsten. It was observed that the metastable W2C phase can be stabilized at RT by carbon encapsulation. These findings open new avenues to access core-shell morphologies of refractory carbides and to stabilize W2C nanoparticles at RT.

机译：使用活性碳分子和钨研究了纳米尺度下碳化钨形成的低温转化途径。使用TEM发现了由亚稳态W2C分解产生的WC核/ W壳纳米粒子。 XRD研究揭示了钨的元素相和碳化物相。观察到，亚稳的W2C相可以通过碳包封在RT下稳定。这些发现为进入难熔碳化物的核-壳形貌并在室温下稳定W2C纳米颗粒开辟了新途径。

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《Journal of Materials Engineering and Performance》 |2015年第5期|共7页
作者
Kolel-Veetil Manoj K.; Goswami Ramasis; Fears Kenan P.; Qadri Syed B.; Lambrakos Samuel G.; Laskoski Matthew; Keller Teddy M.; Saab Andrew P.;
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正文语种 eng
中图分类金属学与金属工艺;工程材料学;
关键词
alkyne; ethynyl; tungsten carbide; WC; W2C; core-shell;

机译：炔;乙炔基;碳化钨;WC;W2C;核-壳;

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1. Formation and Stability of Metastable Tungsten Carbide Nanoparticles [J] . Kolel-Veetil Manoj K., Goswami Ramasis, Fears Kenan P., Journal of Materials Engineering and Performance . 2015,第5期

机译：亚稳态碳化钨纳米粒子的形成与稳定性
2. Formation of tungsten carbide nanoparticles on graphitized carbon to facilitate the oxygen reduction reaction [J] . Zaoxue Yan, Guoqiang He, Mei Cai, Journal of power sources . 2013,第NOVa15期

机译：在石墨化碳上形成碳化钨纳米颗粒以促进氧还原反应
3. Comparative evaluation of particle properties, formation of reactive oxygen species and genotoxic potential of tungsten carbide based nanoparticles in vitro [J] . Dana Kuehnel, Katja Scheffler, Peggy Wellner, Journal of Hazardous Materials . 2012,第Auga15期

机译：碳化钨基纳米粒子的颗粒性质，活性氧形成和遗传毒性潜力的比较评价
4. Synthesis of Metastable Tungsten Carbide Nanoparticles by Mechanochemical Alloying Process [C] . G. L. Tan International Symposium on Advanced Synthesis and Processing Technology for Materials . 2009

机译：用机械化学合金化工艺合成亚稳碳化钨纳米粒子
5. Kinetic simulation of thermally induced metastability in the tungsten-carbon system. [D] . Demetriou, Marios Demetri. 2001

机译：钨碳系统中热诱导的亚稳态的动力学模拟。
6. Toxicity of Tungsten Carbide and Cobalt-Doped Tungsten Carbide Nanoparticles in Mammalian Cells in Vitro [O] . Susanne Bastian, Wibke Busch, Dana Kühnel, 2009

机译：碳化钨和掺钴碳化钨纳米粒子对哺乳动物细胞的体外毒性
7. Toxicity of tungsten carbide and cobalt-doped tungsten carbide nanoparticles in mammalian cells in vitro [O] . Bastian, S., Busch, W., Kühnel, D., 2009

机译：碳化钨和钴掺杂碳化钨纳米粒在体外对哺乳动物细胞的毒性
8. Correlation of the Material Properties of Tungsten Carbide Inserts with Drilling Performance in Hard Formations. Phase I [R] . Cutler, R. A. , Hendrickson, R. R. , Lingle, R. , 1980

机译：硬质合金刀片材料性能与硬质钻削性能的相关性。第一阶段

Formation and Stability of Metastable Tungsten Carbide Nanoparticles

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