Issue 88



2 Activity report of 2019 and orientations for 2020 of the Vietnam Foundry and Metallurgy Science and Technology Association

5 Le Kien Thiet: A story of my dad and his teacher about the first blast furnace in Vietnam

9 VIMICO: Production situation for nonferrous metals in the Minerals Corporation and the Group of Vietnam Coal and Minerals Industries

19 Nguyen Van Sua: Vietnam steel industry in 2019

21 Nghiem Gia, Nguyen Minh Hung: Igniting day for the restored blast furnace No 3 of the TISCO iron making factory

23 Nguyen Van Sua: World crude steel production in 2019



35 Le Thu Ha: Influence of heat treatment process on corrosion resistance of the duplex stainless steel 2205

42 Nguyen Van Dan, Le Thanh Tan and Nguyen Hoang Hai: The influence of pyrolysis time of polyvinyl pyrrolidone on graphitization in carbon nanotubes

48 Nguyen Ngoc Minh, Phan Dinh Vu, Vu Hanh Ngan, Nguyen Bich Van: Synthesis of hydroxyapatite crystal particles from seashells by using thermal method