纯镍铸锭锻造开裂及轧制脆断工艺研究
Technology Research of Forging Crack and Rolling Brittleness Fracture of Pure Nickel Ingot
苗承鹏， 陈 昀， 张明霞， 陈 定
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作者单位：金川镍钴研究设计院， 甘肃 兰州 730101
中文关键字： 纯镍； 盘圆生产； 锻造开裂； 轧制脆断； 工艺研究
英文关键字： pure nickel; wire coil; forging crack; rolling brittleness fracture; technology research
中文摘要：介绍了纯镍在盘圆生产过程中产生的锻造开裂和轧制脆断现象，研究了熔炼工艺、加工过程和热工制度对其的影响。通过研究认为，熔炼工艺和质量是影响的关键,提出取消重熔和减少加热次数可有效消除纯镍加工性能差的结论。
英文摘要：The forging crack and rolling brittleness fracture phenomena of pure nickel N6 during wire coil production was introduced, the influence of smelting technics, processing flow and heating system was researched．The research shows that smelting technics and smelting quality are the key of production， and the improvement of the processing capability is put forward, that it is, canceling electrical slag smelting and reducing heating times of pure nickel forging and rolling．