Essays about: "Sheet Metal Damage"

Showing result 1 - 5 of 6 essays containing the words Sheet Metal Damage.

1. 1. Numerical Modelling of Combined Forming and Punching of Sheet Metal for Heat Exchanger Applications

   University essay from Lunds universitet/Hållfasthetslära; Lunds universitet/Institutionen för byggvetenskaper

   Author : Erik Stålbrand; [2023]
   Keywords : Solid Mechanics; Material Modelling; Damage Modelling; Sheet Metal Damage; Punching Simulation; Forming Simulation; Heat Exchanger; Technology and Engineering;

   Abstract : In this work a strategy for numerical simulation of punching during concurrent pressing of stainless steel sheet metal has been investigated accounting for the stress triaxiality and Lode angle parameter. Modelling of the damage evolution of a sheet metal is a useful tool within the field of engineering and materials science, and can provide useful information regarding material capabilities in a design process. READ MORE

3. 2. Examination of a Damaged Slitting Knife using Scanning Electron Microscopy and Finite Element Simulations

   University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

   Author : Love Öman; [2021]
   Keywords : slitting; slitting knives; damage; sem;

   Abstract : At voestalpine Precision Strip AB, the slitting process is used frequently. Slitting is a commonly applied manufacturing technique during sheet metal processing that aims to split large coils of sheet metal into narrower widths. READ MORE

4. 3. Modernized 6 and 10-ton Dock Levelers

   University essay from Lunds universitet/Innovation

   Author : Viola Nilsson; Rebecka Karlsson; [2021]
   Keywords : Dock leveler; FEM; stress; sheet metal; load case; Technology and Engineering;

   Abstract : This Master Thesis is made in collaboration with ASSA ABLOY Entrance Systems and addresses the issues and problem areas of two dock leveler models; 60 kN and 100 kN to find a new improved design. After the following product development process, a new concept was created which could withstand applied forces exceedingly. READ MORE

5. 4. Study of ohmic contact formation on AlGaN/GaN heterostructures

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Kai-Hsin Wen; [2019]
   Keywords : ohmic contacts; wide bandgap; Ta-based; recess etch; N-vacancies;

   Abstract : It is challenging to achieve low-resistive ohmic contacts to III-nitride semiconductors due to their wide bandgap. A common way to reduce the contact resistance is to recess the ohmic area prior to metallization. READ MORE

6. 5. Simulating Bird Strike on Aircraft Composite Wing Leading Edge.

   University essay from KTH/Hållfasthetslära (Inst.)

   Author : Max Ericsson; [2012]
   Keywords : ;

   Abstract : In this master thesis project the possibility to model the response of a wing when subjected to bird strike using finite elements is analyzed. Since this transient event lasts only a few milliseconds the used solution method is explicit time integration. The wing is manufactured using carbon fiber laminate. READ MORE