Abstract
Finite element numerical analysis can be used to solve problems of boundary values. The accuracy of model is depended on the meshing refinement. In aerospace industry, finite element analysis has been used by several researchers to know the influence of temperature distribution on the performance of additive manufactured component parts. Accuracy is better with finer mesh. Complex nature of the additive manufacturing process due to rapid heating and cooling made many researchers to adopt numerical investigation which is made easier than the experimental method. Proper modelling of the process must be thoroughly done for the numerical modelling results to be analyzed. The experiment of ternary titanium alloy of Ti-Al-Si-Cu was carried out with cladding machine of 3000 Watts (CW) Ytterbium Laser System (YLS-2000-TR). This machine is situated at the National Laser Centre in the Council of Scientific and Industrial Research (NLC-CSIR). The characterization was done using the standardization ASTM E3-11 procedure. The results shiw the impart of temperature distribution on the dendritic arm spacing in the microstructures. The rate of cooling imparts on the space between the dendritic arms. The more the space, the more the influence on the coating’s properties
Highlights
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Convection and radiations heat losses were not considered in this model
The type of flow assumed in this model is incompressible and laminar
Summary
1. Convection and radiations heat losses were not considered in this model. 2. The type of flow assumed in this model is incompressible and laminar. 3. 90 degrees angle position was made between the laser beam and the base titanium alloy. The movement of the laser beam was done in the z-direction. 4. Homogeneity of the base titanium alloy and the powder reinforcements are intact and isotropic. 5. The materials thermo-physical properties came alive by inducement of the temperature. PRWLRQ VXEQRGH ZKHQ PRGHO SDUWV PRYH LQ WKH IUDPH RI PDWHULDO >݉ @ݏKHDW VRXUFH >ܹ݉@ LV V\PEROL]HG E\ ܳ DQG WKH KHDW IOX[ >:P@ ZKLFK LV V\PEROL]HG E\ ݍLV
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