With support from New South Wales (NSW) Government and industrial partners, ANSTO have two outstanding PhD project opportunities with up to $35K stipend and more.

Background

Laser metal deposition (LMD) is an additive manufacturing (AM) process that utilizes a laser beam to form a pool of liquid metal on the surface of metallic substrate into which metal powder is injected forming a deposit on the substrate after solidification. The main emphasis is on the development of an in-depth understanding of the effects of a large number of process variables on the ongoing metallurgical processes (such as grain growth, segregation, defect formation, etc.), residual stresses, distortion which affect resulting mechanical properties – these are crucial for any in service applications.

Project Information

The current project will focus on the development of multi-scale models of the LMD process. To uncover the complex interdependencies between various LMD process parameters, we will first develop multiscale physics-based methodologies comprising of meso-scale models for predicting the resulting microstructure (grain size, texture, etc.) and its effects on mechanical properties, and macro-scale models that predict the residual stress field and distortion. We aim to utilize the phase-field mathematical framework to capture the solidification process and grain growth during the LMD process.

Short Info