Essays about: "destructive testing"

Showing result 1 - 5 of 67 essays containing the words destructive testing.

1. 1. The Effects of Indirect Rule on Electoral Violence : A Quantitative Study

   University essay from Uppsala universitet/Statsvetenskapliga institutionen

   Author : Fabian Stigar; [2023]
   Keywords : Electoral violence; Colonial legacies; Indirect rule; Direct rule;

   Abstract : Elections are a democratic process intended to create peaceful and legitimate transfers of power. However, since the second and third waves of democratisation, policymakers and researchers have observed that electoral processes are transformed into arenas for political gain through violence. READ MORE

3. 2. Speckle suppression in ultrasound images of heterogeneous materials

   University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

   Author : Simon Johnsson; [2023]
   Keywords : Ultrasound; non-destructive testing; wiener filter; signal processing;

   Abstract : Performing non-destructive testing (NDT) on materials is a helpful tool for maintenance and quality control because the materials are not destroyed or disturbed; ultrasound imaging is one type of NDT. Ultrasound imaging of heterogeneous materials contains many echoes from the material itself. READ MORE

4. 3. Machine Learning of Laser Ultrasonic Data to Predict Material Properties

   University essay from Linköpings universitet/Statistik och maskininlärning

   Author : Filip Tuvenvall; [2023]
   Keywords : Machine Learning; Laser Ultrasonics; Material Properties; Steel; Hardness of Steel;

   Abstract : The hardness of steel is an important quality parameter for several industrial applications. Conventional mechanical testing is used in quality testing for material hardness and the method is time-consuming, can cause material mix-ups, and results in material waste. READ MORE

5. 4. Assessment of aggregate structure in porous asphalt using X-ray computed tomography

   University essay from KTH/Väg- och banteknik

   Author : Mari Haagenrud Matsson; Malex Love Valdemar Åkerblom; [2023]
   Keywords : Tomography; non-destructive testing; destructive testing; air voids content; aggregate size distribution; porous asphalt;

   Abstract : X-ray computed tomography is a technique that has been successfully utilized to characterize internal microstructure of asphalt mixtures. The city of Linköping (Sweden) developed an action plan to reduce noise; accordingly KTH and VTI developed a method to determine air void content in porous asphalt using x-ray computed tomography and an image processing software called ImageJ. READ MORE

6. 5. Use of Pulse Thermography for Characterization of Defects in Polymer Composites

   University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

   Author : Kim Klöckner; [2023]
   Keywords : NDT; Pulse Thermography; polymer composites; boats manufacturing; end-of-life structures; defect characterization;

   Abstract : In this project, the possibility of using thermography as a non-destructive testing tool in the manufacturing process of boats and to assess the quality of end-of-life composite structures has been explored. To do so, a literature surview regarding the current applications of thermography and the techniques currently used for quality control in the boats industry has been conducted. READ MORE