首页> 外文期刊>Powder Metallurgy and Metal Ceramics >Kinetics of Spreading in Initial Stages in Metallic Systems with Different Types of Interaction between Components. IV. Effect of Chemical Reaction on the Kinetics of Spreading in Tin—Iron Group Metal Systems
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Kinetics of Spreading in Initial Stages in Metallic Systems with Different Types of Interaction between Components. IV. Effect of Chemical Reaction on the Kinetics of Spreading in Tin—Iron Group Metal Systems

机译:具有不同类型的组件之间相互作用的金属系统中初始阶段的扩散动力学。 IV。化学反应对锡铁族金属体系扩散动力学的影响

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A droplet flowing over onto a plate introducedfrom above has been used to study the dinetics of spreading andto describe the observable characteristics of spreading of tin oniron, cobalt, nickel, and the intermetallic compounds Ni3Sn,Ni3Sn2 under a vacuum of (2-4)·10-3 Pa at 400-1000℃, dropletmass 0.01-0.06g. we show by a formal kinetic analysis ofexperimental data that in the low-temperature range (400-500℃)the kinetic regime dominates, and in the high-temperature range (600-1000℃) the inertial—kinetic regime dominates. In spreading of tin on iron,cobalt, nickel, and the intermetallic compounds Ni3Snand Ni3Sn2, the nature of the interaction correspondsto the phase equilibrium in the studied systems. Theresults for the kinetics of spreading of tin on nickeland the intermeatllic compound Ni3Sn showed thatspreading of the main bulk is preceded by spreading of a precursor film.
机译:液滴从上方流到板上,用于研究扩散的动力学并描述在(2-4)真空下锡在铁,钴,镍和金属间化合物Ni3Sn,Ni3Sn2上的扩散的可观察特征。 400-1000℃时为10-3 Pa,液滴质量为0.01-0.06g。我们通过对实验数据的形式动力学分析表明,在低温范围(400-500℃)内,动力学状态占主导地位,而在高温范围(600-1000℃)中,惯性-动力学范围占主导地位。在锡在铁,钴,镍和金属间化合物Ni3Sn和Ni3Sn2上的扩散中,相互作用的性质对应于所研究系统中的相平衡。锡和镍间化合物Ni3Sn扩散动力学的结果表明,主体的扩散先于前体膜的扩散。

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