公开(公告)号：US20160211437A1

公开(公告)日：2016-07-21

申请号：US14711541

申请日：2015-05-13

Applicant: BEIJING UNIVERSITY OF TECHNOLOGY

Inventor： HONGLI SUO ,  YICHEN MENG ,  LIN MA ,  MIN LIU ,  YI WANG ,  MANGMANG GAO ,  HUI TIAN ,  YARU LIANG ,  PAN WANG ,  FAXUE PENG ,  JING LIU ,  TIANTIAN WANG

IPC: H01L39/12 ,  B22F3/24 ,  C22C19/03 ,  H01L39/24 ,  C22F1/10 ,  B22F3/15 ,  H01L39/00

CPC classification number: C22C19/03 ,  B22F3/24 ,  B22F7/008 ,  B22F7/02 ,  B22F2998/10 ,  B22F2999/00 ,  C22C1/0433 ,  C22F1/10 ,  H01L39/2454 ,  B22F1/0003 ,  B22F2009/041 ,  B22F3/15 ,  B22F2003/185 ,  B22F3/18 ,  B22F2003/248 ,  B22F2009/043 ,  B22F2201/013 ,  B22F2202/06

Abstract: A method for preparing element diffusion-type composite substrate and it belongs to the field of high-temperature coated superconducting substrate preparation. The rolled composite nickel-tungsten alloy substrate is heated and thermal insulated, meanwhile, both ends of the rolled substrate are electrified by low voltage and high current density pulse current. High-performance nickel-tungsten alloy composite substrate is obtained with the method in the present invention and sandwich-like composite substrate has low ferromagnetic performance and high strength by higher solution diffusing from inner layer to outer layer, which does not affect the formation of sharp cubic texture on the surface of substrate. On the one hand, electric pulse technology accelerate the interdiffusion effect of inter-layer elements, on the other hand, it promotes the recrystallization nucleation and reduces the recrystallization annealing temperature of the substrate, thus energy saving effect is achieved and the negative effects of annealing thermal erosion grooves among crystal boundary to subsequent coating are effectively reduced. Alloyed composite substrate prepared in this invention has the characteristics of high cubic texture content, low magnetic performance, high strength, and can be applied to large-scale industrial production.

Abstract translation: 一种制备元素扩散型复合衬底的方法，属于高温涂层超导衬底制备领域。 轧制复合镍 - 钨合金基板被加热绝热，同时轧制基板的两端通过低电压和高电流密度脉冲电流通电。 通过本发明的方法获得高性能的镍 - 钨合金复合衬底，并且夹层复合衬底通过从内层向外层扩散的较高溶液具有低铁磁性能和高强度，其不影响尖锐的形成 在基体表面的立方结构。 一方面，电脉冲技术加速了层间元素的相互扩散效应，另一方面促进了再结晶成核，降低了基板的再结晶退火温度，达到节能效果，退火的负面效果 结晶边界到后续涂层的热蚀槽有效减少。 本发明制备的合金复合基材具有立方体结构含量高，磁性能好，强度高的特点，可应用于大规模工业化生产。