Sökning: "uhs"
Hittade 3 uppsatser innehållade ordet uhs.
1. Resistance Spot Welding of AlSi-coated Ultra High Strength Steel : An experimental study
Master-uppsats, KTH/MaterialvetenskapSammanfattning : The automotive industry of today faces ever harder requirements from regulatory bodies to increase the fuel efficiency, reduce the carbon footprint and increase the safety of their vehicles. The problem is being tackled in different ways; one of them being the use of innovative materials to reduce the overall weight while improving the crash safety of the vehicle. LÄS MER
2. High Performance Steel for Percussive Drilling
Kandidat-uppsats, Uppsala universitet/Institutionen för teknikvetenskaperSammanfattning : Atlas Copco Secoroc AB are searching after new bulk materials for drill heads that are used in percussive drilling in order to improve their strength and durability. The aim of this project is to assist Atlas Copco in this search and provide them with further information regarding material properties, alloying elements, suppliers, etc. LÄS MER
3. Pilot Protection Based on Directional Detection
Uppsats för yrkesexamina på avancerad nivå, KTH/Elektriska energisystemSammanfattning : Nowadays two main types of protection schemes widely used in protection of transmission lines are: distance protection and differential protection schemes. However, it has been noticed from industrial practice that the distance protection scheme used today generally is limited in tripping speed and selectivity. LÄS MER