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1. 发明授权

US07845203B2 Preparation method of laminated composite materials of different alloys 有权
标题翻译：不同合金层压复合材料的制备方法
公开(公告)号：US07845203B2
公开(公告)日：2010-12-07
申请号：US11902647
申请日：2007-09-24
申请人： Enhou Han , Xibo Liu , Rongshi Chen
发明人： Enhou Han , Xibo Liu , Rongshi Chen
IPC分类号： B21C23/00
CPC分类号： B21C23/002 , B21C23/001 , B23P2700/12 , B32B15/017 , C22F1/04 , C22F1/047 , C22F1/06 , C22F1/08
摘要： The invention relates to a new preparation technique of composites, in details, i.e. a method of producing laminated composite materials of different alloys. In the preparation method, the bi-layer or multi-layer composites are prepared by means of the equal channel angular extrusion/pressure (ECAE/ECAP). Firstly, the appropriate alloys pairs or groups are selected, and the rational arrangements are carried out after pre-treating surfaces; then, the clad process is performed by extrusion and shear deformation in ECAE die; finally, the composite material is produced after one single pass or multiple passes clad extrusion. The annealing treatment can be performed subsequently to enhance the interfacial bonding strength by diffusion after the clad extrusion, and the heat treatment parameters consist of annealing temperature and holding time, which are chosen carefully to meet the demands of the refining microstructures and good properties for both the interfaces and individual component metals. Consequently, the layer-metal composite is produced with the firmly bonding interface, good microstructures and excellent properties. In the invention, the selection and assembling manners of the materials are very free, such as composites with bi-layer or interval multi-layer manners, and the method is suitable for most of the metal materials. The invention is a new method of fabricating composites and the preparation cost is low enough to meet the demand of large-scale industrial production.
摘要翻译：本发明涉及复合材料的新制备技术，详细地涉及生产不同合金层压复合材料的方法。在制备方法中，通过等通道角挤压/压力（ECAE / ECAP）制备双层或多层复合材料。首先，选择适当的合金对或组，合理布置在预处理表面之后进行; 然后，通过ECAE模具中的挤出和剪切变形进行包覆工艺; 最后，复合材料在一次通过或多次通过包层挤出之后生产。随后可以进行退火处理，以在包层挤出后通过扩散来提高界面结合强度，并且热处理参数由退火温度和保持时间组成，其被仔细选择以满足精炼微结构的要求和良好的性能界面和各组分金属。因此，层状金属复合材料具有牢固的结合界面，良好的微结构和优异的性能。在本发明中，材料的选择和组装方式是非常自由的，例如具有双层或间隔多层方式的复合材料，并且该方法适用于大多数金属材料。本发明是一种制备复合材料的新方法，其制备成本低到足以满足大规模工业生产的需求。

2. 发明申请

US20080276681A1 Preparation method of laminated composite materials of different alloys 有权
标题翻译：不同合金层压复合材料的制备方法
公开(公告)号：US20080276681A1
公开(公告)日：2008-11-13
申请号：US11902647
申请日：2007-09-24
申请人： Enhou Han , Xibo Liu , Rongshi Chen
发明人： Enhou Han , Xibo Liu , Rongshi Chen
IPC分类号： B21C23/01
CPC分类号： B21C23/002 , B21C23/001 , B23P2700/12 , B32B15/017 , C22F1/04 , C22F1/047 , C22F1/06 , C22F1/08
摘要： The invention relates to a new preparation technique of composites, in details, i.e. a method of producing laminated composite materials of different alloys. In the preparation method, the bi-layer or multi-layer composites are prepared by means of the equal channel angular extrusion/pressure (ECAE/ECAP). Firstly, the appropriate alloys pairs or groups are selected, and the rational arrangements are carried out after pre-treating surfaces; then, the clad process is performed by extrusion and shear deformation in ECAE die; finally, the composite material is produced after one single pass or multiple passes clad extrusion. The annealing treatment can be performed subsequently to enhance the interfacial bonding strength by diffusion after the clad extrusion, and the heat treatment parameters consist of annealing temperature and holding time, which are chosen carefully to meet the demands of the refining microstructures and good properties for both the interfaces and individual component metals. Consequently, the layer-metal composite is produced with the firmly bonding interface, good microstructures and excellent properties. In the invention, the selection and assembling manners of the materials are very free, such as composites with bi-layer or interval multi-layer manners, and the method is suitable for most of the metal materials. The invention is a new method of fabricating composites and the preparation cost is low enough to meet the demand of large-scale industrial production.
摘要翻译：本发明涉及复合材料的新制备技术，详细地涉及生产不同合金层压复合材料的方法。在制备方法中，通过等通道角挤压/压力（ECAE / ECAP）制备双层或多层复合材料。首先，选择适当的合金对或组，合理布置在预处理表面之后进行; 然后，通过ECAE模具中的挤出和剪切变形进行包覆工艺; 最后，复合材料在一次通过或多次通过包层挤出之后生产。随后可以进行退火处理，以在包层挤出后通过扩散来提高界面结合强度，并且热处理参数由退火温度和保持时间组成，其被仔细选择以满足精炼微结构的要求和对于两者的良好性能界面和各组分金属。因此，层状金属复合材料具有牢固的结合界面，良好的微结构和优异的性能。在本发明中，材料的选择和组装方式是非常自由的，例如具有双层或间隔多层方式的复合材料，并且该方法适用于大多数金属材料。本发明是一种制备复合材料的新方法，其制备成本低到足以满足大规模工业生产的需求。

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