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1. 发明授权

US06627010B1 Method for the production of alloys form eutectic alloy systems 失效
标题翻译：合金生产方法形成共晶合金系统
公开(公告)号：US06627010B1
公开(公告)日：2003-09-30
申请号：US09180464
申请日：1999-07-09
申请人： Oddvin Reiso , Ulf Tundal , John Erik Hafsås , Oddgeir Sjøthun
发明人： Oddvin Reiso , Ulf Tundal , John Erik Hafsås , Oddgeir Sjøthun
IPC分类号： C22F105
CPC分类号： C22F1/047 , C22F1/04
摘要： The present invention concerns procedures for producing an alloy from a eutectic alloy system, in order to form a workpiece for rolling or extrusion purposes by, for example, producing an Al—Mg—Si alloy, which can be precipitation-hardened, which alloy, after having been heated to a temperature above the solubility temperature of phases which can be precipitated, is kept at this temperature until the phases have dissolved and is cooled at a cooling rate which is rapid enough to avoid most of the precipitation of the phases and slow enough to avoid most of the precipitation of dispersoid particles. At cooling rates within this interval, most coarse phases which have a reductive effect on the processing rate can be avoided and, at the same time, the number of small dispersoid particles which have a reductive effect on the mechanical properties after hardening is limited.
摘要翻译：本发明涉及从共晶合金体系制造合金的方法，为了通过例如制造可以析出硬化的Al-Mg-Si合金形成用于轧制或挤压的工件，该合金，在被加热到可以沉淀的相的溶解温度以上的温度下，保持在该温度直到相溶解并以足够快的冷却速度冷却以避免相的大部分沉淀并缓慢足以避免大部分分散质颗粒的沉淀。在该间隔内的冷却速度下，可以避免对加工速率具有还原效果的大多数粗相，同时对硬化后的机械性能具有还原效果的小分散质颗粒的数量有限。

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