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CVD of carbide multi-phased coatings

机译:硬质合金多相涂层的CVD

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TiC and Ti-W-C films have been produced by chemical vapor deposition (CVD). A fractional factorial design was used to study the effects of deposition temperature, C:Ti input, H:Ti input, reactor pressure, and total mass flow on TiC film composition. Statistical models were developed for both titanium at.percent and C:Ti in the film. It was found that the most significant affect on titanium at.percent was the interaction of temperature, pressure and total mass flow. The most important affect on the C:Ti in the deposited film was the interaction C:Ti input, H:Ti, and total mass flow. Ti-W-C films have been deposited at 1050 deg C at various (TiCl_4+W(CO)_6)/CH_4 inlet ratios ranging from 0.53 to 1.01. The characterization of the films revealed that the changes in deposition rate, crystallinity, film orientation, and morphology of various Ti-W-C compositions were affected by (TiCl_4+W(CO)_6)/CH_4 inlet ratios.
机译:TiC和Ti-W-C膜已通过化学气相沉积(CVD)制成。分数阶乘设计用于研究沉积温度,C:Ti输入,H:Ti输入,反应器压力和总质量流量对TiC膜组成的影响。针对膜中钛含量和C:Ti的统计模型进行了开发。发现对钛的最显着影响是温度,压力和总质量流量的相互作用。对沉积膜中C:Ti的最重要影响是C:Ti输入,H:Ti和总质量流量的相互作用。 Ti-W-C膜已在1050℃下以0.53至1.01的各种(TiCl_4 + W(CO)_6)/ CH_4入口比率沉积。膜的表征表明,各种Ti-W-C组合物的沉积速率,结晶度,膜取向和形态的变化受(TiCl_4 + W(CO)_6)/ CH_4入口比率的影响。

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