专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO02081762A3 METHOD FOR PRODUCING BLANKS HAVING A FINE-GRAIN STRUCTURE 审中-公开
标题翻译：生产具有细粒结构的坯料的方法
公开(公告)号：WO02081762A3
公开(公告)日：2002-11-28
申请号：PCT/RU0200152
申请日：2002-04-02
申请人： GLUKHOV DMITRY EVGENIEVICH , GOLUBEV VITALY NIKOLAEVICH
发明人： GLUKHOV DMITRY EVGENIEVICH , GOLUBEV VITALY NIKOLAEVICH
IPC分类号： B21J5/00 , B21C1/00 , B21C23/00 , B21C23/01 , B21C25/02 , B21J5/06 , B21J13/02 , C22F1/00
CPC分类号： C22F1/00 , B21C1/00 , B21C23/00 , B21C23/001 , B21C23/01 , B21C25/02
摘要： The invention relates to metal forming, in particular to a method for producing metal blanks made of metal and metal alloys using plastic deformation, including long billets having a pre-prepared fine grain structure, more specifically submicro-crystalline and nano-crystalline structures. The inventive method makes it possible to produce blanks having a longitudinal stratification and an inner reinforcement, and can be used for processing blanks made of powdered metals in order to obtain a monolithic article. The plastic deformation is carried out by forming in a mould with the aid of a profile tool arranged inside a pressing channel of the mould. Said profile tool directs a metal flow and creates a combined upset-shearing-torsion scheme of an intensive plastic deformation accompanied by restoration of the cross section of the blank without deforming the continuity thereof. Said method reduces costs for blank processing by using serial equipment, for example vertical and horizontal hydraulic presses. The inventive method makes it possible to process blanks made of difficult-to-form and low-ductility alloys, powdered metals and composite materials and to increase metal recovery.
摘要翻译：本发明涉及金属成形，特别涉及使用塑性变形来制造由金属和金属合金制成的金属坯料的方法，所述金属和金属合金包括具有预制微细晶粒结构，更具体为亚微晶和纳米晶体结构的长坯。本发明的方法可以生产具有纵向分层和内部加强件的毛坯，并且可以用于加工由金属粉末制成的毛坯以获得整体制品。借助于布置在模具的挤压通道内的型材工具通过在模具中成型来进行塑性变形。所述型材工具引导金属流动并且产生强烈塑性变形的组合镦锻剪切方案，伴随着坯件横截面的恢复而不会使其连续性变形。所述方法通过使用系列设备，例如垂直和水平液压机降低坯料处理的成本。本发明的方法可以处理由难以形成的低延展性合金，粉末状金属和复合材料制成的坯料并提高金属回收率。

IPRDB

热门服务

关于我们

友情链接

联系方式