Processing of metallic materials by Laser Powder Bed Fusion at elevated temperatures

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F23%3APU149221" target="_blank" >RIV/00216305:26210/23:PU149221 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.mamc.at/" target="_blank" >https://www.mamc.at/</a>

DOI - Digital Object Identifier

—

Jazyk výsledku

angličtina

Název v původním jazyce

Processing of metallic materials by Laser Powder Bed Fusion at elevated temperatures

Popis výsledku v původním jazyce

Laser Powder Bed Fusion (L-PBF) is a 3D printing technology that has gained worldwide acceptance due to its high resolution and accuracy. However, high equipment and material costs, residual stresses in the manufactured parts and internal defects are still major barriers to widespread industrial use. Preheating is a process in which the powder bed is heated during the production run. This leads to a homogenisation of the temperature field, which usually results in lower residual stresses. It also affects the interaction between the laser beam and the powder as well as the solidification process. The effects of high temperature preheating on residual stresses have been studied on Ti6Al4V and Inconel 939. This study evaluates the suitability of preheating to reduce the number of support structures, thereby reducing production costs and environmental impact. The results showed that preheating at high temperatures led to a rapid reduction of residual stresses in Ti6Al4V, but also to a rapid powder degrada

Název v anglickém jazyce

Processing of metallic materials by Laser Powder Bed Fusion at elevated temperatures

Popis výsledku anglicky

Laser Powder Bed Fusion (L-PBF) is a 3D printing technology that has gained worldwide acceptance due to its high resolution and accuracy. However, high equipment and material costs, residual stresses in the manufactured parts and internal defects are still major barriers to widespread industrial use. Preheating is a process in which the powder bed is heated during the production run. This leads to a homogenisation of the temperature field, which usually results in lower residual stresses. It also affects the interaction between the laser beam and the powder as well as the solidification process. The effects of high temperature preheating on residual stresses have been studied on Ti6Al4V and Inconel 939. This study evaluates the suitability of preheating to reduce the number of support structures, thereby reducing production costs and environmental impact. The results showed that preheating at high temperatures led to a rapid reduction of residual stresses in Ti6Al4V, but also to a rapid powder degrada

Druh

O - Ostatní výsledky

CEP obor

—

OECD FORD obor

20301 - Mechanical engineering

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2023

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů