Search for dissertations about: "W. W. Zhang"
Showing result 1 - 5 of 14 swedish dissertations containing the words W. W. Zhang.
-
1. Mechanical Properties of Semi-Solid Al Castings : Role of Stirring
Abstract : Semi-solid metal (SSM) casting has been widely used in automotive industries to reduce the weight. In RheoMetalTM process which is one of the variations of SSM, the slurry fabrication can be finished within 30 second and can the slurry making process can be integrated into a high pressure die casting (HPDC) route without significant adjustments, making the process a promising alternative for industrial application. READ MORE
-
2. Mechanical properties of semi-solid Al castings : Role of stirring
Abstract : Aluminum castings have been widely used in the automotive industry to reduce the vehicle's weight. However, the existence of casting defects significantly limits its application. The most common and detrimental defects in aluminum castings are porosity and oxides. READ MORE
-
3. Robust Multimedia Communications over Packet Networks
Abstract : Multimedia communications over packet networks, and in particular the voice over IP (VoIP) application, have become an integral part of society. However, the unreliable and heterogeneous nature of packet networks has led to a best-effort delivery of services. READ MORE
-
4. Fill factor of organic solar cells and applications of dilute donor devices
Abstract : Organic solar cells (OSCs) have attracted great attention due to their low cost, flexibility and solution-processibility. In recent years, the development of nonfullerene acceptors (NFAs) has truly promoted the efficiency of OSCs up to 19%, implying high potential for commercial applications. READ MORE
-
5. Thermochemical processing of nanostructured W-Co and WC-Co powders
Abstract : .... READ MORE