Kinetic and mechanism of forming the protective coatings on metals

被引：0
|
作者：
Mokrova, A.M. [1 ]
Burtseva, Yu.V. [1 ]
机构：
[1] Tul'skij Gos. Pedagogich. Univ., Tula, Russia
来源：
Metallovedenie i Termicheskaya Obrabotka Metallov | 2002年 / 10期
关键词：
Carbon steel - Cast iron - Chemical activation - Chemical analysis - Composition - Diffusion coatings - Iron - Reaction kinetics - Saturation (materials composition) - Titanium plating;
D O I：
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学科分类号：
摘要：
An influence of activator type in the composition of saturating mixtures up on titanium plating iron, St45 and cast irons on elements distribution in the diffusion zone is studied. Two groups of activators such as NH4Cl, NH4F, NH4Br, NH4I, NH4FHF and NaF, AlF3, Na3AlF6, (C2F4)n are considered. A procedure for simultaneous determination of many elements in the thin layers is elaborated on the basis of emission spectral analysis. It is found that types of activators do not all aid a titanium layer forming and moreover, they prevent Ti permeation into the base.
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页码：30 / 31
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