Development and characterization of composite materials for high-impact high-wear applications.

此次合作的目标是在Syncrude Canada Ltd.、Unicast Inc.和不列颠哥伦比亚大学之间开展新的合作，开发一种用于高冲击高磨损应用的新型双金属复合材料。加拿大在开采对全球制造业和技术部门至关重要的材料和商品方面处于世界领先地位。提取有价值的材料（如石墨、镍、铜、钛、铀）的第一步是采矿作业，其中矿物丰富的矿石被提取并随后粉碎。破碎操作可以使用几种方法来实现，最常见的是冲击破碎机（卧式或立式）。在这种破碎机中，岩石或矿石的破裂是由于在通过破碎机给料过程中锤对岩石的冲击而发生的。破碎环境代表了材料可能面临的一些最恶劣的条件：1)极高的冲击载荷，2)高工作温度，3)高机械动态载荷，以及4)高磨损。因此，开发能够在这种条件下生存的材料对于确保岩石破碎作业的足够性能和操作经济性至关重要。该联盟项目侧重于开发由耐磨高铬白铁（HCWI）与高锰钢（HMS）柄相结合制成的双金属锤子。碳化钨（WC）增强剂将与HCWI材料进行冶金粘合，从而进一步提高其使用寿命、性能和耐磨性，有望取得进一步突破。工业和学术HQP将参与新型锤子的材料开发、铸造、表征和服役评估。该项目的预期结果对Syncrude加拿大有限公司和Unicast公司都有直接和直接的影响，导致破碎机性能的提高，操作经济性的提高，以及为先进双金属材料的发展做出基础的科学贡献。

The goal of the proposed partnership is to enable a new collaboration between Syncrude Canada Ltd., Unicast Inc. and the University of British Columbia on the development of a novel bi-metallic composite materials for high-impact high-abrasion applications. Canada is among the world leaders in the extraction of materials and commodities that are critical for global manufacturing and technology sectors. The first step in the extraction of valuable materials (e.g., graphite, nickel, copper, titanium, uranium) is a mining operation, where mineral-rich ores are extracted and subsequently crushed. The crushing operations can be achieved using several methods, with the most common being an impact crusher (horizontal or vertical). Fracturing of rocks or ores in such crushers occurs as a result of impact of hammers on the rocks during feeding through the crusher. The crushing environment represents some of the harshest conditions a material can be exposed to: 1) extremely high impact loads, 2) high operating temperatures, 3) high mechanical dynamic loads, and 4) high abrasion wear. As a result, development of materials capable of surviving such conditions is critical to ensure adequate performance and economy of operation for the rock crushing operation. This Alliance project focuses on the development of bimetallic hammers made of abrasion resistant high chromium white irons (HCWI) mated to tough high manganese steel (HMS) shanks. Additional breakthrough is expected when tungsten carbide (WC) reinforcements will be metallurgically bonded to the HCWI material, thereby further enhancing its lifespan, performance and abrasion resistance. Industry and academic HQP will engage in material development, casting, characterization and in-service evaluation of the novel hammers. The expected outcomes of the project have a direct and immediate implication for both Syncrude Canada Ltd and Unicast Inc., leading to improved performance of the crushers, enhanced economy of operation, as well as making a fundamental scientific contribution to the development of advanced bi-metallic materials.