NUMERICAL OPTIMIZATION OF THE GATING SYSTEM FOR AN INLET VALVE CASTING MADE OF TITANIUM ALLOY

被引：6
|
作者：
Fourie, J. [1 ,2 ]
Lelito, J. [1 ]
Zak, P. L. [1 ]
Krajewski, P. K. [1 ]
Wolczynski, W. [3 ]
机构：
[1] AGH Univ Sci & Technol, Fac Foundry Engn, PL-30059 Krakow, Poland
[2] Cape Peninsula Univ Technol, Cape Town, South Africa
[3] Polish Acad Sci, Inst Met & Mat, PL-30059 Krakow, Poland
来源：
ARCHIVES OF METALLURGY AND MATERIALS | 2015年 / 60卷 / 03期
关键词：
numerical simulation; optimization; porosity; titanium alloys; investment casting; Ti6Al4V alloy; microstructure; SOLIDIFICATION; PHASE; MOLD;
D O I：
10.1515/amm-2015-0397
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The main aim of this work was to numerically investigate and optimize feeding and geometrical parameters to produce inlet valves of Ti6Al4V alloy that are free from defects, especially porosity. It was found that the change of geometry orientation as well as inlet feeder diameter and angle showed distinct relationships between geometric alteration and occurrence of porosity. Alteration in the pouring parameters such as temperature and time had none or only slight effect on occurrence or position of porosity in the valve. It was also found that investigating individual parameters of simple geometry and then utilizing these best fit results in complex geometry yielded beneficial results that would otherwise not be attainable.
引用
收藏
页码：2437 / 2446
页数：10
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