SCALING LAWS IN DIRECT METAL DEPOSITION OF CERMET TRACKS

被引：0
|
作者：
Golyshev, A. A. [1 ]
Sibiryakova, N. A. [1 ]
机构：
[1] Russian Acad Sci, Khristianovich Inst Theoret & Appl Mech, Siberian Branch, Novosibirsk, Russia
来源：
JOURNAL OF APPLIED MECHANICS AND TECHNICAL PHYSICS | 2023年 / 64卷 / 05期
基金：
俄罗斯科学基金会;
关键词：
scaling laws; cermet materials; direct metal deposition; dimensionless parameters;
D O I：
10.1134/S0021894423050115
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
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.
引用
收藏
页码：821 / 826
页数：6
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