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Showing result 1 - 5 of 251 essays matching the above criteria.

  1. 1. Relationship between Fatigue Properties and Surface Treatment of Aluminum Alloy

    University essay from

    Author : Umair Ali Khan; Soroosh Zahedi; [2023-09-14T08:42:05Z 2023-09-14T08:42:05Z 2023 2023]
    Keywords : Corrosion resistance; Fatigue; Aluminium alloys; HPDC; PMC; Sheet Metal; Anodization Molding; Casting;

    Abstract : Corrosion has posed a significant challenge within the maritime sector for numerousyears. In the 21st century, bolstering the corrosion resistance of alloys, particularlyaluminum alloys, has become paramount. Aluminum alloys find widespread use inpropulsion systems, boat hulls, and cargo vessels. READ MORE

  3. 2. Loading tests on composite concrete columns : A comparison between composite columns made of permanent 3DPC formwork filled with SCC and columns made of homogenous SCC

    University essay from KTH/Betongbyggnad

    Author : Abdulla Al-Bazarkan; Hussain Alahmad; [2023]
    Keywords : ;

    Abstract : In order to achieve increased sustainability when casting concrete structures this thesis investigates the possibility of utilizing 3D-printing to construct formwork and digitalize construction. By digitizing construction less workers are needed and therefore less capital. READ MORE

  4. 3. Energy efficiency of smelting of scrap aluminium in HPDC facilities : Available and upcoming technologies

    University essay from Linköpings universitet/Energisystem

    Author : Bogdan Radu Racsi; [2023]
    Keywords : high pressure die casting; HPDC; energy efficiency; cast house remelting; internal aluminium scrap; melting furnace; melting and holding furnace; drivers; barriers;

    Abstract : The aluminium industry is anticipated to witness a surge in demand, with projectionsof a two to three-fold increase by 2050. Meeting environmental objectives andaddressing the growing emphasis on sustainability from both the industry andconsumers seeking eco-friendly products present significant challenges. READ MORE

  5. 4. The effect of recycling and processing routes on recrystallization in a secondary 3xxx aluminium alloy

    University essay from Jönköping University/JTH, Material och tillverkning

    Author : Anton Rolseth; [2023]
    Keywords : Aluminium alloys; sheet metal forming; grain boundary segregation; recrystallization; Zener pinning; casting; rolling;

    Abstract : Aluminium alloys have the possibility to be infinitely recycled. By only generating 5% of the emissions compared to primary aluminium, great CO2 savings can be made. One of the issues in manufacturing components entirely from post-consumer scrap is the presence of trace elements and impurities. Such elements can be Fe, Cu, Cr, P and Pb. READ MORE

  6. 5. Does the Level of Swedish Economic Policy Uncertainty Help Forecast Excess Returns on the Swedish Stock Market?

    University essay from Uppsala universitet/Företagsekonomiska institutionen

    Author : Gustav Jacobsson; Oscar Klersell; [2023]
    Keywords : Economic Policy Uncertainty EPU ; Excess stock returns; Out-of-sample forecasting; Random walk; Sweden;

    Abstract : This thesis examines whether the level of Swedish economic policy uncertainty (EPU) can predict excess returns on the Swedish stock market. We run out-of-sample forecasting using an EPU-based predictive model constructed with the official Swedish EPU index developed by Armelius et al. (2017). READ MORE