Issue 38


2 Pham Chi Cuong: Alumni gratulations

3 Dao Minh Ngung: The 55th tradition in training of Engineer-Metallurgist of the HUST

5 The 4th Region Conference on Materials (RCM) to be hold in Hanoi, 8-9 Dec., 2011


6 Nguyen Cao Son, Bui Anh Hoa: A solution for increasing strength of structural alloy steel containing tramp element copper

11 Le Thai Hung, Le Anh Quang: Analysis of hot ring rolling in T cross-section profile using finite element method

17 Nguyen Hoang Viet, Nguyen Thi Hoang Oanh, Phan Truong Thi and Do Minh Nghiep: TEM study on microstructure change of high-chromium white cast iron after heat treatment

21 Taik Nam Kim, Nguyen Van Tu and Nguyen Ngoc Minh: Preparation of powdered activate carbon from rice husk

24 Hoang Thi Ngoc Quyen, Le Thi Chieu, Dinh Quang Nang: Effect of Ti and rare earth mixture on microstructure, wear resistance and impact toughness of the white cast 13% Cr iron

28 Do Hong Nga, Truong Ngoc Than, Vu Chat Phac: The correlation between material composition of Gia Nghia bauxite concentrate and settling process of red mud

32 Dinh Quang Nang: Microstructure of the binding layer from sodium silicat in the CO3 moulding and Vacuum-Room-Harderning process (VRH)

38 Do Van Quang, Dao Hong Bach and Dinh Quang Nang: The effect of addition of the sugar sewage and content of sodium silicate on properties of ceramic molds

42 Pham Ngoc Dieu Quynh, Nguyen Hoang Viet: On the sludge recycling from zinc coating manufacture for agglomeration of iron oxide waste

47 Nguyen Kim Thiet, Dinh Tien Thinh, Nguyen Thi Hong Nhung: A thermodynamic approach to the solubility and hydrolysis processes of BiOCl in hydrochloric acid solution