直接金属沉积金属陶瓷轨道的缩放规律

IF 0.5 4区工程技术 Q4 MECHANICS

Journal of Applied Mechanics and Technical Physics Pub Date : 2024-01-15 DOI:10.1134/S0021894423050115

A. A. Golyshev, N. A. Sibiryakova

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引用次数: 0

摘要

摘要确定了描述直接金属沉积过程中形成的金属陶瓷焊珠几何尺寸的无量纲参数和比例定律。使用不同体积分数的 Ti64 钛合金和陶瓷（碳化硅，SiC）作为粉末混合物。提出了一个估算异质材料热物理参数的模型。结果表明，无论陶瓷的体积分数如何，单一轨道的无量纲几何参数（深度、宽度和高度）都取决于两个无量纲参数：归一化焓和佩克莱特数。而且，这些依赖关系可以用代数表达式近似表示。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

SCALING LAWS IN DIRECT METAL DEPOSITION OF CERMET TRACKS

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SCALING LAWS IN DIRECT METAL DEPOSITION OF CERMET TRACKS

Dimensionless parameters and scaling laws that describe the geometric dimensions of a cermet weld bead formed during direct metal deposition are determined. A Ti64 titanium alloy and ceramics (silicon carbide, SiC) with different volume fractions are used as a powder mixture. A model for estimating the thermophysical parameters of a heterogeneous material is proposed. It is shown that, regardless of the volume fraction of ceramics, the dimensionless geometric parameters of a single track (depth, width, and height) depend on two dimensionless parameters: normalized enthalpy and the Peclet number. Also, these dependences can be approximated by algebraic expressions.

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来源期刊

Journal of Applied Mechanics and Technical Physics 物理-力学

CiteScore

1.20

自引率

16.70%

发文量

审稿时长

4-8 weeks

期刊介绍： Journal of Applied Mechanics and Technical Physics is a journal published in collaboration with the Siberian Branch of the Russian Academy of Sciences. The Journal presents papers on fluid mechanics and applied physics. Each issue contains valuable contributions on hypersonic flows; boundary layer theory; turbulence and hydrodynamic stability; free boundary flows; plasma physics; shock waves; explosives and detonation processes; combustion theory; multiphase flows; heat and mass transfer; composite materials and thermal properties of new materials, plasticity, creep, and failure.