Haku
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Effect of specimen geometry and friction in the high strain rate compression tests
(2019)
Diplomityö
Diplomityö
The Split Hopkinson pressure bar (SHPB) or Kolsky bar is widely used to characterize the mechanical behavior of materials at different strain rates and different temperatures. The proper characterization of mechanical ...
Productization of a new type of dielectric elastomer actuator
(2019)
Diplomityö
Diplomityö
Dielectric elastomer actuators (DEAs) occupy a niche in haptic technology, and Senseg Oy has developed a new type of DEA that is suitable also in haptic applications: a product called Elastomer Film Actuator (ELFIAC). ...
Material options to replace glass fibre reinforced polymer composite in remote freezer
(2019)
Diplomityö
Diplomityö
Glass fibre reinforced polymer (GFRP) composites are used as base materials in remote freezers. GFRP has many disadvantages such as poor recyclability and harmfulness for peoples’ health. In addition, it has poor dimensional ...
Hardfaced wear resistant coatings for mining tools
(2019)
Diplomityö
Diplomityö
Hardfacing is one of the methods to protect base material from severe wear and corrosion environment and provide life extension to the component. In this work, erosion resistance and impact resistance of four hardfacing ...