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首页> 外文期刊>Journal of surface investigation: x-ray, synchrotron and neutron techniques >Formation and study of electrospark coatings based on titanium aluminides
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Formation and study of electrospark coatings based on titanium aluminides

机译：基于铝化钛的电火花涂层的形成和研究

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摘要

Coatings containing Ti-Al intermetallics are fabricated by the electrospark deposition of titanium on aluminum and aluminum on titanium. The microstructure and composition of the grown coatings is studied by scanning electron microscopy, X-ray diffraction, and S-ray microanalysis. It is found that the surface layer formed in argon mostly contains the α-TiAl_3 intermetallic independent of the duration and frequency of discharge pulses. The γ-TiAl and α_2 -Ti_3 Al phases can be obtained by aluminum deposition on titanium followed by the subsequent deposition of a second titanium layer. Aluminum oxide and titanium nitride are additionally formed during the deposition of electrospark coatings in air.
机译：含Ti-Al金属间化合物的涂层是通过钛在铝上和铝在钛上的电火花沉积制成的。通过扫描电子显微镜，X射线衍射和S射线显微分析研究了生长涂层的微观结构和组成。发现在氩气中形成的表面层主要包含α-TiAl_3金属间化合物，与放电脉冲的持续时间和频率无关。 γ-TiAl和α_2-Ti_3 Al相可通过在钛上进行铝沉积，然后再沉积第二钛层来获得。在空气中沉积电火花涂层时会另外形成氧化铝和氮化钛​​。

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