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Multicomponent Saturing of Titan Alloys by SHS

机译:SHS对钛合金进行多组分饱和处理

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摘要

In given work the researching results of structure and properties of multicomponentrncomplex coverings on titan alloys received in conditions of self-propagating high-temperaturesrnsynthesis (SHS) are represented. During protective coverings plating on titan alloys thernstrengthening phase formation take place (main phase is TiAl with layer depth 10-15 mkm). Thernmicrohardness of given layer is above Hu = 5-6 GPa). At titan alloys saturating by chrome,rnalumina and silicon the influence of temperature and time on covering layer depth and structurernis investigated. The diffusion layer consists of two phases: silicide one (disilicide TiSi_2 onrnsample surface and silicide Ti_5Si_3 that is abutted to TiSi_2 layer) and α-solid solution. Underrnsilicide layer independently from time-temperature parameters of siciconizing the zone of α-rnsolid solution preserves. It is determined that with saturation temperature and isothermicalrnduration increasing the diffusional layer thickness increases too.
机译:在给定的工作中,代表了在自蔓延高温合成(SHS)条件下接受的钛合金上的多组分复合涂层的结构和性能的研究结果。在钛合金上进行保护层电镀时,会发生强化相的形成(主相为TiAl,层深为10-15 mkm)。给定层的显微硬度高于Hu = 5-6 GPa。在钛合金中,铬,氧化铝和硅饱和后,研究了温度和时间对覆盖层深度和结构的影响。扩散层由两相组成:硅化物一相(样品表面的二硅化物TiSi_2和与TiSi_2层邻接的硅化物Ti_5Si_3)和α固溶体。下部硅化物层独立于使α-固溶体区域干燥的时间-温度参数。可以确定,随着饱和温度和等温持续时间的增加,扩散层的厚度也增加。

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