VW64M高强耐热镁合金大锭坯半连续铸造工艺
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Release time:2021-07-12 Affilication of Author(s):中南大学 Disigner of the Invention:高永浩, 王俊凯, 刘楚明, 蒋树农, 王必正, 余世伦 Patent description:本发明公开了一种VW64M高强耐热镁合金大锭坯半连续铸造工艺，合金成分（wt.%）为：Gd:5.0‑7.0%、Y:2.5‑4.0%、Ag:0.1‑0.3%、Zn:0.15‑1.0%、Zr:0.25‑0.65%、Ca:0.002‑0.050%，其余为Mg。在670‑720℃熔化镁锭、添加Mg‑Ca中间合金和熔剂、750‑800℃添加合金元素、精炼除渣、通气搅拌、低温慢速电磁浇铸等步骤。通过协调各步骤工艺参数，得到直径Ф300‑630mm、长度≥100mm的镁合金锭坯. Type of Patent:Invent State of Patent:Authorized patents Application Number:201710180004.6 Number of Inventors:6 Service Invention or Not:yes Application Date:2017-03-23 Publication Date:2017-08-11 -
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