Issue 39


2 Chu Duc Khai: Speech on the 15th anniversary of the Hanoi Foundry and Metallurgy Association

4 To Dzuy Phuong: The 11th Congress of the Asian Foundry -Guangzhou, China

5 VUSTA: Overview of VUSTA activities on social consultancy, opponency and assessment in period (2002-2011)


10 P.V. Ngu: To stop authorising for mineral survey and exploitation

12 Excesssive exploitation of resources for export is an irresponsible action for next generations

Advanced technology, equipment and materials

13 Ngo Ngoc Dinh: Recovering copper by slow cooling of the copper slag

17 Tran Thi Hien: Processcing heat treated copper slag for more collection of copper

21 Le Hong Son: Production of gold from recovered gold-ore


25 Nguyen Van Tu, Nguyen Anh Son, Tran Thi Xuan, Nguyen Ngoc Huan: The influence of hydrogen on carburizing process using LPG

28 Quach Tat Bat, Nguyen Van Thai, Nguyen Huu Dung: Calculation of the austenite content in Austempered Ductile Iron

31 Tran Huy Nam and Nguyen Van Dan: Effect of PVP concentration on formation of silver nanowires in anodic aluminum oxide template

36 Nguyen Van Linh, Dao Huy Tung, Tran The Quang, Ha Tien Hoang: Influence of technological parameters on the deformation homogeneity of the metal layers during rolling of sandwich sheets for bimetal steel 08KΠ-Cu contacts

41 Le Danh Chung, Doan Dinh Phuong, Nguyen Van Luan, Tran Ba Hung: Improving mechanical properties of WC-Co hard alloy by sinter plus HIP technique

Do you known

46 A reason of the Titanic ship accident

41 The regulations of the co-ordination on science, technology and environment activities between the VUSTA and other member associations