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Characterization of part deformations in powder bed fusion of stainless steel
(2019)
Aim of this thesis was to study why deformations occur in metal parts made by laser powder bed fusion and what is the deformation shape. This thesis was done by conducting a literature review by searching and collecting ...
Process solutions of extrusion-based additive manufacturing for geopolymers and 3D printable material properties
(2019)
Use of geopolymers in construction industry instead of traditional concretes has the potential to reduce produced CO2 emissions significantly. 3D printing can be utilized to promote sustainability even more as disposable ...
Material needs of Finnish metal and mechanical engineering industry from the perspective of additive manufacturing
(2019)
Aim of this master thesis was to find out which specific metal materials are the most widely used by Finnish metal and mechanical engineering industry. Other goals were to find out are the materials additively manufacturable ...
Metallien lisäävän valmistuksen valinta maanalaisen kaivoskoneen saranamekanismin valmistusmenetelmäksi
(2019)
Tämän diplomityön tavoitteena on tuottaa Sandvik Mining and Constructionin Turun tehtaan suunnittelu- ja tuotekehitysosaston käyttöön työkalu helpottamaan valmistusmenetelmän valintaa metallien lisäävän valmistuksen ja ...
Need of additional support structures and support removal in metal powder bed fusion
(2021)
This study examined the need for support for test pieces manufactured by metal PBF in different positions and examine the effects of the build angle on post-processing. The material used was 316L stainless steel. The aim ...
Modernization of the workshop by additive manufacturing
(2021)
This research aimed to find how the operation of the workshop can be developed using a 3D metal printer. The research was conducted in an existing machine workshop with metalworking machines and facilities from different ...
Lankapohjaisen suorakerrostuksen hyödyntäminen sellu- ja paperiteollisuuden konepajavalmistuksessa
(2020)
Tämän diplomityön tavoitteena oli tuottaa kohdeyritykselle tietoa hitsausrobottilaitteistolla suoritettavan lankapohjaisen suorakerrostuksen (WAAM) edellytyksistä, sen vaikutuksista tuotanto- ja arvoketjuihin sekä sen ...
Directed energy deposition of 316L stainless steel with laser and wire
(2020)
This thesis studies the directed energy deposition (DED) of 316L stainless steel with laser and wire by presenting a process overview, its current situation in research and industry and critical process related characteristics. ...
Usability of additive manufacturing in the field medical system
(2020)
The aim of this thesis was to find a medical solution from the field of additive manufacturing which can be used to support the Finnish Defence Force’s field medical system. Recent wars in the world have pointed out many ...
Design case for additive manufacturing : electrode for electrochemical gold separation process
(2020)
The aim of this thesis was to study and understand the design process of metallic components to be manufactured with laser-based powder bed fusion (L-PBF). The design process and tools were applied to design an electrode ...