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High strain rate tensile testing of a nickel superalloy
(2020)
Diplomityö
Diplomityö
In this thesis a novel nickel-based superalloy was studied to determine whether it is suitable to be used as a turbine blade material of a jet engine based on its tensile properties both at room temperatures and at elevated ...
Recycling of old polymeric roll covers and reuse as a filler in new roll cover products
(2021)
Diplomityö
Diplomityö
The purpose of this thesis was to promote the recycling of polymeric roll cover waste. In the theoretical part of the work alternative recycling methods for roll cover materials were presented. In the experimental part of ...
Recycling of plastics from liquid carton packaging
(2021)
Diplomityö
Diplomityö
Liquid carton packages are a multilayer packaging type typically consisting of cardboard and plastics and in some applications aluminium. The recycling targets and directives for packaging has changed which demands on ...
Tekoälyn työkalujen soveltaminen koivuviilujen liimaliitosten mikro-CT -analysointiin
(2022)
Diplomityö
Diplomityö
XAMK:in tutkimusyksikkö Mikpolis:in puututkimuksessa käytetty tutkimusmenetelmä, jossa tietokonemikrotomografialla skannattuja koivuviilunäytteiden liimaliitoksia kuva-analysoidaan, tarvitsi kehittämistä. Mikro-CT -laitteen ...
Ways to decrease the effect of thermal degradation of WEEE plastics during mechanical recycling
(2022)
Diplomityö
Diplomityö
As the world moves towards a more circular economy the recyclability of different materials becomes an increasingly pressing issue. The EU has created a strategy that aims to push the European plastic industry towards ...
Performance of silver contacts in III-V solar cells
(2022)
Diplomityö
Diplomityö
The development of solar cells with higher efficiencies is paramount when future global energy demands are to be met with renewable energy sources. The largest efficiency has been achieved with a multijunction solar cell ...
Preparation of plastic micro- and nanofibers by electrospinning for cell culture
(2021)
Diplomityö
Diplomityö
Plastic production has increased significantly over the decades and due to lack of proper and efficient waste management, it is estimated that millions of tons plastic waste ends up in oceans annually. Besides aquatic ...
Rakenneterästen iskusitkeys seismisessä kuormituksessa
(2021)
Diplomityö
Diplomityö
Työn tarkoituksena oli tutkia rakenneterästen iskusitkeyttä maanjäristyksen aiheuttamassa dynaamisessa kuormituksessa. Tutkimuksen tavoitteena oli vertailla valittuja teräslaatuja ja niiden iskusitkeysominaisuuksia sekä ...