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Metal material needs of Finnish industry in laser powder bed fusion
(2019)
This study was carried out to investigate the metal material needs of Finnish industry for laser-based powder bed fusion (L-PBF), which belongs to additive manufacturing (AM) technologies, which are also known as 3D printing ...
Metallien lisäävän valmistuksen suunnittelun ja jälkityöstön vaikutus kustannuksiin
(2019)
Työn tavoite on selvittää suunnittelun ja jälkityöstön vaikutukset kokonaiskustannuksiin metallin lisäävässä valmistuksessa. Tutkimusmetodeina on kirjallisuuslähteiden tutkiminen ja yrityshaastattelut.
Kirjallisuuslähteistä ...
Characterization of heat effects on deformations occurring during the L-PBF based on simulation
(2020)
The purpose of this bachelor's thesis was to determine the heat effects that occur in the part during powder bed fusion process. These deformations and residual stresses were investigated by using simulation. The study ...
The effect of manufacturing parameters on the mechanical properties of L-PBF produced 420 stainless steel
(2021)
The aim of this bachelor’s thesis is to find how manufacturing parameters affect the mechanical properties of laser powder bed fusion (L-PBF) manufactured 420 stainless steel. The thesis is conducted as a literature review. ...
Life cycle cost-driven design for additive manufacturing : the frontier to sustainable manufacturing in laser-based powder bed fusion
(Lappeenranta-Lahti University of Technology LUT, 2021-09-27)
Additive manufacturing (AM) is a manufacturing method that creates components in a layer-wise manner. Laser-based powder bed fusion (L-PBF) is one of the most used AM subcategories to manufacture metal components, referred ...
Utilization of laser-based powder bed fusion in manufacturing process of compression mold
(2020)
The purpose of this thesis is to find out how laser-based powder bed fusion (L-PBF) can be utilized in manufacturing process of compression mold (CM) tool. The goal is to find out if L-PBF could be option for conventional ...
Utilization of whole build volume in laser-based powder bed fusion
(2020)
Additive manufacturing of metals using laser-based powder bed fusion of metals is a manufacturing method that has gained a lot of attention in the recent years. Literature about utilizing the whole build volume in laser-based ...
Effect of temperature dependent properties in thermo-mechanical simulation of powder bed fusion process
(2022)
L-PBF is an Additive Manufacturing method where material is melted in a controlled manner. The process is technically challenging with high probability of defects in the structure and problems in the process itself if the ...
Metallitulosteen (L-PBF) jälkikäsittely
(2023)
Tämä kandidaatintyö käsittelee laserjauhepetisulatuksella (L-PBF) valmistetun metallitulosteen jälkikäsittelyä sekä sen vaikutusta valmistettujen osien ominaisuuksiin ja sovelluksiin. Työssä tutkitaan jälkikäsittelyn ...