Essays about: "Mikrohårdhet"

Found 3 essays containing the word Mikrohårdhet.

1. 1. Simulation and Experimental Based Hardenability Evaluation of Chromium Alloyed Powder Metal Steels

   University essay from KTH/Materialvetenskap

   Author : Atharva Kotasthane; [2023]
   Keywords : Hardenability; Martensite; Simulation Modelling; Microhardness; Microstructure; Härdbarhet; Martensit; Simuleringsmodellering; Mikrohårdhet; Mikrostruktur;

   Abstract : Powder metallurgy is a branch of metal forming technology where metal powders are used to manufacture parts and components. It is a flexible and economical technique for manufacturing complicated shapes. This present work focuses on press and sinter technology and forms a part of Höganäs’s efforts of modelling hardenability through quenching. READ MORE

3. 2. Innovative Methods for Welding Ultra High Strength Steel with Resistance Spot Welding

   University essay from KTH/Industriell produktion

   Author : Rickard Aldén; [2018]
   Keywords : ;

   Abstract : Resistance spot welding (RSW) is the most frequently used method for welding thin sheets in manufacturing industries such as the automotive industry, because of the high productivity of RSW. In order to reduce CO2 emissions the automotive industry strives towards creating structures of light weight, this is partly achieved by the use of lightweight materials such as Aluminum and composite materials. READ MORE

4. 3. The influence of niobium content and cooling rate on mechanical properties of grey cast iron

   University essay from KTH/Materialvetenskap

   Author : Yingshan Yao; [2018]
   Keywords : Grey Cast Iron; Niobium; Cooling Rate; Tensile Strength;

   Abstract : This project mainly investigated how the niobium(Nb) content influences the microstructure and mechanical properties of grey cast iron. Considering the mechanism, the study also analyzes the relationship between microstructure and mechanical properties. READ MORE