NUMERICAL SIMULATION OF INDUCTION SKULL MELTING PROCESS FOR TITANIUM-ALUMINIUM BASE ALLOY金属学报：英文版论文
【题名】：NUMERICAL SIMULATION OF INDUCTION SKULL MELTING PROCESS FOR TITANIUM-ALUMINIUM BASE ALLOY金属学报：英文版论文(NUMERICAL SIMULATION OF INDUCTION SKULL MELTING PROCESS FOR TITANIUM-ALUMINIUM BASE ALLOYJinShuXueBao：YingWenBanLunWen) 【关键词】：钛铝合金 数字仿真 温度场 熔化处理 水冷凝固 有限元 【keywords】：ZuoLvHeJin ShuZiFangZhen WenDuChang RongHuaChuLi ShuiLengNingGu YouXianYuan 【作者】：Z.Y.Chen L.J.Xu F.T.Kong Q.Shu Y.Y.Chen      【来源】： 知识词典 【期刊名称】：金属学报：英文版(JinShuXueBao：YingWenBan) 【国际标准刊号】：1006-7191        【国内统一刊号】：21-1361/TG 【作者单位】：SchoolofMaterialsScienceandEngineering,HarbinInstituteofTechnology,Harbin150001,China(SchoolofMaterialsScienceandEngineering,HarbinInstituteofTechnology,Harbin150001,China) 【分类号】：TG244.3 TG292      【页码】：-928-933      【出版年】：2004.6 【下载地址】：下载pdf全文         The mathematics model for temperature field of water-cooling copper crucible induction skull melting process was established. The program for simulating temperature field of melting process was developed with finite element method. The temperature field of the melting process for Ti-47Al-2Cr-2Nb aUoy was calculated. During melting period, the temperature is raised gradually along radius augmentation direction. The elements of the charge near the crucible wall are molten first. The center elements of the charge are molten last. The melting time of the center element is just that of all the charge melting. The melting time of Ti-47Al-2Cr-2Nb alloy is 15min. In which, the charge was heated by low power 80kW for 9min and by high power 300kW for 6min. When melting Ti-47AI-2Cr-2Nb aUoy,the loading power is nearly direct proportion to melt temperature. Increasing loading power may raise melt temperature. The best melting power of Ti-47Al-2Cr-2Nb alloy is 305-310kW. This is identical with the melting test and has guidance sense to the melting process of actual titanium aUoy.
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