Search for dissertations about: "Zongyin Zhang"

Found 2 swedish dissertations containing the words Zongyin Zhang.

2. 1. Processing of Nanostructured WC-Co Powders and Sintered Steels

   Author : Zongyin Zhang; KTH; []
   Keywords : Nanostructured powder; Chemical synthesis; Fe-Mn-Si steel; Fe-Cu swelling; Mechanical properties; Sintering parameters;

   Abstract : Processing of nanostructured WC-Co and W-Co powders,modelling of Fe-Mn-Si alloy, swelling of Fe-Cu alloy, andmechanical properties and sintering of Fe-Mn-Si steels havebeen studied in the present thesis.W-Co precursors made by chemical synthesis were used toproduce nanostructured WCCo and W-Co powders by calcination,reduction and carburization. READ MORE

4. 2. Thermochemical processing of nanostructured W-Co and WC-Co powders

   Author : Zongyin Zhang; KTH; []
   Keywords : Nanostructured powder; WC-Co; W-Co; Co-precipitation; Chemical precursor; Calcination; Phase constitute; Processing; Calcination; Reduction; Carburization;

   Abstract : .... READ MORE