Knowledge based processing of novel clad/laminate metallic systems

加拿大在21世纪世纪面临的最重大的全球挑战之一是继续在竞争激烈的初级金属提取和加工部门保持强大的经济地位。为了使加拿大继续在这一领域发挥全球领导作用，开发先进金属系统的先进制造技术势在必行。拟议的研究计划将继续建立在申请人在实验测量和先进金属产品和制造工艺知识基础上的工艺模型开发方面的研究专长。该计划将重点关注通过共铸生产的新型复合金属系统。通过共铸生产的复合金属板首次创造了以成本有效的方式定制板相对于其中心的表面特性的可能性。目前商业上使用的复合铝板的例子包括：用于热交换器的钎焊板和航空航天合金的铝包层系列。目前，这些包覆板通过昂贵的辊压结合技术生产，其中两个板在高压下辊压在一起以产生包覆板。该研究计划将创建和开发一系列复合铝板产品，并测量这些复合产品如何响应工业相关的热机械处理，如均匀化，热/冷轧和最终热处理。特别强调将放在理解冶金反应发生在这些系统中的界面附近，并在制造操作过程中跨越界面的溶质的相互作用。

One of the most significant global challenges Canada faces in the 21st century is continuing to maintain a strong economic position in the highly competitive primary metals extraction and processing sector. In order for Canada to continue to play a global leadership role in this sector, it is imperative that novel and state of the art manufacturing techniques for advanced metallic systems are exploited.The proposed research program will continue to build on the applicant's area of research expertise in experimental measurements and the development of knowledge-based process models for advanced metallic products and manufacturing processes. This program will focus on novel clad metallic systems produced via co-casting. For the first time, clad metallic sheet produced via co-casting, creates the possibility of tailoring the surface properties of the sheet relative to its centre in a cost effective way. Current examples of clad aluminum sheet used commercially include: brazing sheet for heat exchangers and Al-clad series of aerospace alloys. Presently, these clad sheets are produced via a costly roll bonding technology whereby the two sheets are rolled together under high pressure to create the clad sheet. This research program will create and develop a range of clad aluminum sheet products and measure how these clad products respond to industrially relevant thermo-mechanical treatments such as homogenization, hot/cold rolling and final heat treatment. In particular emphasis will be placed on understanding the metallurgical reactions that occur close to the interface in these systems and the interaction of solute across the interface during manufacturing operations.