Temperature of NiCrBSi Powder Particles Detonation Sprayed – Theory and Practice

Archives of Metallurgy and Materials

T. Babul¹ 

[1] INSTITUTE OF PRECISION MECHANICS, 3 DUCHNICKA STR., WARSZAWA, POLAND;

关键词: Keywords: NiCrBSi powder;    detonation spraying;    Finite Element Method;    pyrometric system;   

DOI  :  10.2478/amm-2014-0192

学科分类：金属与冶金

来源: Akademia Gorniczo-Hutnicza im. Stanislawa Staszica / University of Mining and Metallurgy

【 摘 要 】

The article compared the results of theoretical calculations with results of actual temperature measurements of detonation sprayed NiCrBSi powder heated by the impact of the detonation products stream. Theoretical distributions of temperature in the powder particle were calculated by the Finite Element Method FEM, using the COSMOS/M program algorithm. In the absence of the heat transfer equations in the solid state being in movement, which is influenced by dynamic heat wave, the conduction mechanism described by Fourier's law was adopted. Experimental temperature measurements as a function of the acceleration path length were conducted using an own construction two-channel pyrometric system. The obtained data confirmed good agreement between the results obtained using FEM calculations method and results of experimental measurements using the pyrometric devices.

【 授权许可】

Unknown