The Open Automation and Control Systems Journal

2012, 4 : 1-7
Published online 2012 September 07. DOI: 10.2174/1874444301204010001
Publisher ID: TOAUTOCJ-4-1

A Numerical Study of a Cooling Ratio for Laser Based Prototyping Technology with a Sample of 316l Stainless Steel

R. S. Amano , Z. Xu , J. Martinez Lucci and Pradeep Rohatgi
Department of Mechanical Engineering, University of Wisconsin–Milwaukee.

ABSTRACT

The objectives of this work are to study Laser Engineered Net Shaping (LENS™) produced materials and identify the microstructures. Numerical method was used to examine the influence of materials' type and LENS™ process parameters on the forming of the specific microstructures from thermodynamics and fluid dynamics point of view. Samples of 316L stainless steel were examined, microstructures of samples were used to estimate the corresponding cooling rate, and the cooling rate was compared with the results of three different levels of simplified models.

Keywords:

Computational Fluid Dynamics, Manufacturing, Solidification.