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首页> 外文期刊>Proceedings of the institution of mechanical engineers >Effect of milling of C and Ti mixture as ceramic coating on the properties of 7Ch3 tool steel during plasma spray process
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Effect of milling of C and Ti mixture as ceramic coating on the properties of 7Ch3 tool steel during plasma spray process

机译：等离子喷涂过程中铣削C和Ti混合物作为陶瓷涂层对7Ch3工具钢性能的影响

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摘要

In this study, the effect of milling time of processed powder coatings on the properties of 7Ch3 tool steel during plasma spray process was investigated. For this purpose, raw materials containing powders of titanium and carbon with stoichiometric ratio were milled and samples were taken in different time intervals. After phase investigations by X-ray diffraction, three milled samples as just mixed, activated and synthesized specimens were selected and coated on the substrate. The obtained results showed that titanium carbide can be successfully synthesized by mechanical alloying based on a gradual mechanism. Crystalline sizes of the synthesized carbide were found to be in nano-meter scale. Deposited coating leads to an increase in mechanical and wear properties of the substrate. The average sizes of coatings remained in nano-meter order too. Studies revealed that the sample which was coated by activated mixture had the best measured properties among the other specimens.
机译：在这项研究中，研究了粉末喷涂处理时间对等离子喷涂过程中7Ch3工具钢性能的影响。为此，对含有化学计量比的钛和碳粉末的原料进行研磨，并在不同的时间间隔内取样。通过X射线衍射进行相研究后，选择了三个经过研磨，混合，活化和合成的样品，并将其涂覆在基材上。所得结果表明，基于渐进机理，通过机械合金化可以成功地合成碳化钛。发现合成碳化物的晶体尺寸为纳米级。沉积的涂层导致基材的机械和磨损性能提高。涂层的平均尺寸也保持在纳米级。研究表明，用活化混合物涂覆的样品在其他样品中具有最佳的测量性能。

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