METHOD FOR PRODUCING ALLOY INGOT
    6.
    发明申请
    METHOD FOR PRODUCING ALLOY INGOT 有权
    生产合金的方法

    公开(公告)号:US20120145353A1

    公开(公告)日:2012-06-14

    申请号:US13384142

    申请日:2010-07-15

    IPC分类号: B22D7/00 B22D23/00

    摘要: Disclosed is a method for producing alloy ingot including: a step of: charging alloy starting material into a cold crucible in a cold-crucible induction melter, and forming melt pool of the alloy starting material by induction heating in inert gas atmosphere; a step of continuing the induction heating and adding first refining agent to the melt pool, and then reducing the content of at least phosphorus from among impurity elements present in the melt pool; and a step of forming alloy ingot by solidifying the melt, the phosphorus content of which has been reduced. The first refining agent is mixture of metallic Ca and flux, where the flux contains CaF2 and at least one of CaO and CaCl2. The weight proportion of the sum of CaO and CaCl2 with respect to CaF2 ranges from 5 to 30 wt % and the weight proportion of metallic Ca with respect to the melt pool is 0.4 wt % or greater.

    摘要翻译: 公开了一种合金锭的制造方法,其特征在于,包括以下步骤:将合金原料装入冷坩埚感应熔炉中的冷坩埚中,并通过在惰性气体气氛中感应加热形成合金原料的熔池; 继续感应加热并将第一精炼剂加入到熔池中,然后从存在于熔池中的杂质元素中减少至少磷的含量的步骤; 以及通过使熔融物固化而形成合金锭的步骤,其中磷含量已经降低。 第一精炼剂是金属Ca和助熔剂的混合物,其中助熔剂含有CaF 2和CaO和CaCl 2中的至少一种。 CaO和CaCl 2之和相对于CaF 2的重量比例为5〜30重量%,金属Ca相对于熔融池的重量比例为0.4重量%以上。

    Method for producing alloy ingot
    7.
    发明授权
    Method for producing alloy ingot 有权
    合金锭生产方法

    公开(公告)号:US08496046B2

    公开(公告)日:2013-07-30

    申请号:US13384142

    申请日:2010-07-15

    IPC分类号: B22D27/02 C22B9/10

    摘要: Disclosed is a method for producing alloy ingot including: a step of: charging alloy starting material into a cold crucible in a cold-crucible induction melter, and forming melt pool of the alloy starting material by induction heating in inert gas atmosphere; a step of continuing the induction heating and adding first refining agent to the melt pool, and then reducing the content of at least phosphorus from among impurity elements present in the melt pool; and a step of forming alloy ingot by solidifying the melt, the phosphorus content of which has been reduced. The first refining agent is mixture of metallic Ca and flux, where the flux contains CaF2 and at least one of CaO and CaCl2. The weight proportion of the sum of CaO and CaCl2 with respect to CaF2 ranges from 5 to 30 wt % and the weight proportion of metallic Ca with respect to the melt pool is 0.4 wt % or greater.

    摘要翻译: 公开了一种合金锭的制造方法,其特征在于,包括以下步骤:将合金原料装入冷坩埚感应熔炉中的冷坩埚中,并通过在惰性气体气氛中感应加热形成合金原料的熔池; 继续感应加热并将第一精炼剂加入到熔池中,然后从存在于熔池中的杂质元素中减少至少磷的含量的步骤; 以及通过使熔融物固化而形成合金锭的步骤,其中磷含量已经降低。 第一精炼剂是金属Ca和助熔剂的混合物,其中助熔剂含有CaF 2和CaO和CaCl 2中的至少一种。 CaO和CaCl 2之和相对于CaF 2的重量比例为5〜30重量%,金属Ca相对于熔融池的重量比例为0.4重量%以上。