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首页> 外文期刊>International Journal of Refractory Metals & Hard Materials >Plasma Chemical Vapour Deposition of Aluminium Oxide on Hardmetals
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Plasma Chemical Vapour Deposition of Aluminium Oxide on Hardmetals

机译:硬质合金上氧化铝的等离子体化学气相沉积

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摘要

Tests were carried out on A1203 coatings which had been deposited on hardmetals using a new plasma CVD technique. With this technique hard crystalline A1203 layers with good adhesion properties were obtained at temperatures over 450-650deg C The coatings display a very fine-grained microstructure and, owing to the low coating temperatures, have only a very small influence on the toughness of the coated hardmetals. It was possible in various cutting tests to demonstrate the excellent tool life of indictable inserts coated with A1_2O_3 by PCVD.
机译:使用新的等离子体CVD技术对已沉积在硬质金属上的A1203涂层进行了测试。通过这种技术,在超过450-650°C的温度下获得了具有良好粘合性能的硬质晶体A1203层。该涂层显示出非常细的微观结构,由于涂层温度低,对涂层的韧性影响很小。硬质合金。在各种切削测试中都有可能证明通过PCVD涂覆有A1_2O_3的可起诉刀片的出色刀具寿命。

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