High-temperature properties of high Si-Mo ductile iron
xia lan ting 1; li hong yi 2; li xiao qin 2 (1 taiyuan heavy machinery institute; taiyuan 030024; china; 2 shanxi design and research institute of mechanical and electrical engineering; taiyuan 030009; china)
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Development and study of the CAD system of stamping dies
hao ji dong 1; song jian li 2; li tian you 2; liu jin hong 1 (1 department of equipment; shanxi xinhuacun fenjiu group; fenyang 032205; china; 2 taiyuan heavy machinery institute; taiyuan 030024; china)