在不同含碳量的钢基体上化学气相沉积TiN层,其沉积速度随基体含碳量增多而线性增大.TiN层的X射线衍射和扫描电镜能谱分析表明,除TiN衍射峰外,还有α Fe衍射峰。沉积温度升高,在Cr12MoV基体上TiN(220)面择优成长增加.TiN层表面白亮区和层内部只有Ti能谱,黑暗区则有Ti和Fe能谱。
Effect of carbon content in substrate, made of 7 steels separately, on thel chemica vapour deposition of TiN has been investigated. The increment of deposition rate is linearly related to the increase of carbon conient in own substrate. The α-Fe peak, besides TiN, is revealed in X-ray diffraction pattern of the TiN coating.The (220) preferred growth of TiN deposited on Cr12MoV steel substrate increases with the increase of depositing temperature. Only Ti energy spectrum is found from the bright region at coating surface and the interior, while both Ti and Fe energy spectra from dark region.
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