Research Area Summary 2020

Update on research outcomes in seven core research areas, covering the whole AM manufacturing chain, was summarised by Research Area (RA) leaders, including some more elaborated insights into specific areas by PhD students. Here are a list of ongoing projects and the presentations from the Annual Seminar (including links to theses):

RA1: Design for AM – an overview

Fiona Schulz, Chalmers, summarised numerous activities on design for AM, performed in different projects as well as student projects.

LPBF of 316L stainless steel: Microstructure and mechanical properties as a function of process parameter s, design and productivity by Alex Leicht, Chalmers, summarised the recent development on design and productivity increase for stainless steel 316L, that is still the working horse in metal AM.

RA2: Material behavior and design of AM components

Johan Moverare, Linköping University, presented research focus and recent results by 4 PhD students, involved in this area, in parallel to the 2 post-docs.

Anisotropic mechanical behavior and microstructural evolution of thin-walled additively manufactured metals was further presented by Cheng-Han Yu, who newly presented the licentiate thesis.

Topology Optimization for Additive Manufacturing Involving High-Cycle Fatigues was presented by Shyam Suresh, where he showed recent outcomes in his work on development of the constitutive and life models for use in design and topology optimization.

RA3: Robust Powder for Additive Manufacturing

Eduard Hryha, Chalmers, shortly summarized research activities in this area, that involves 7 PhD students, including 3 industrial. This area covers research aspects focusing on powder degradation during additive manufacturing, development of tailored Fe- and Ni-base alloys for AM as well as sintering of binder jetting components.

The Effects of Morphology and Surface Oxidation of Stainless-Steel Powder in Laser Based-Powder Bed Fusion was summarized by Dmitri Riabov, industrial PhD student from Höganäs AB at Chalmers.

Hans Gruber summarized research outcome of his PhD work Powder bed fusion processing of Ni-base superalloys: Defect formation and its mitigation, that he defended on September 24-th this year in the frame of CAM2.

RA4: Novel Materials Design for AM – an overview

Lars Nyborg, Chalmers, presented focus of this research area and summarized research outcomes of this youngest research area, that was started in 2018. Two PhD students are involved in this area, where development is focused on novel Al-alloys, tailored for AM, as well as high-entropy alloys.

RA5: Productivity in AM by Process and Geometry Simulation

Results and focus of this research area were summarized by Fredrik Edelvik, Fraunhofer Chalmers Centre (FCC), following by presentation of the results of DEM Simulation of powder beds on particle level by Johannes Quist. Developed by Johannes, the approach allows to simulate powder spreading during AM processing as well as simulate rheological properties of the powder, emphasizing industrial importance of the results.

RA6: Quality assurance and control in AM

Zhuoer Chen, Chalmers, shortly introduced research scope of this area, covering processing atmosphere monitoring in one of the projects and in-situ quality assurance using state-of-the-art quality monitoring techniques (optical tomography and melt pool monitoring) that are employed to process and component development.

Futher, Camille Pauzon presented recent results on the processing atmosphere as a parameter of the L-PBF process.

RA7: Optimization of the AM components properties by post-manufacturing treatment

Uta Klement, Chalmers, and Shrikant Joshi presented overview of the activities in RA7, covering variety of post-AM processing techniques, including heat treatment, hot isostatic pressing, machining, etc.

Suhas Sreekanth, University West, showed summary of his work on Laser-Directed Energy Deposition: Influence of Process Parameters and Heat-treatments, that was summarized in his recently defended licentiate thesis

Activities on machinability of AM at Chalmers were further presented by Dinesh Mallipeddi, Chalmers.

Read the full summary of CAM2 Annual Seminar 2020

Page manager Published: Mon 26 Oct 2020.