Fundamentals of Metal Processing and Casting Operations

这笔发现基金的主要目的是促进我们对以下方面的认识：1)如何提高钢液的内在质量(通过50微米以下较小夹杂物的较低浓度来衡量)，以显著改善钢的一般性能；2)如何开发一种比目前的钢板生产技术更好的铸钢方法。它使用机器连续浇铸厚(350 Mm)或薄(60 Mm)的板坯，然后使用板坯再加热炉，以及六个或七个热轧机架，最终生产热轧卷板。新的近终形铸造(NNSC)技术是近20年前提出的，对于生产新的、先进的高强度、高塑性(HSHD)钢来说是至关重要的，用于交通行业。这些先进钢采用TRIP[相变诱发塑性]和TWIP[孪生诱发塑性]强化机制，具有较高的锰(~30%)和铝(~7%)含量。这样的钢种超出了当前技术的能力，但可以是传统钢材的三倍强度和五倍伸长率！有了这些属性，汽车和卡车车身就可以“轻量化”，这一点非常重要。为了实现这些目标，我们手头有独特的设备，我们的研究生可以在上面进行实验研究；典型的钢包-中间包-结晶器设施的全尺寸水模型，大型中试规模的卧式单带连铸机(HSBC)，加上适当的感应炉和在1000℃至1800℃之间运行的各种电阻炉，这些将与我们的高性能SGI计算机集群结合使用，也设在我们的斯廷森实验室，以及较小的辅助设备，这样我们就可以制定、并通过实验验证各种研究策略，并计划相关的后续研究项目，以实现这些目标。它将同时培养高素质的人才，专门从事过程冶金工程的实践和理论方面的工作。汇丰银行的这项铸造研究对铝行业也具有重要意义。因此，在接下来的五年授权期内，我们预计将为工业界、学术界和政府部门总共毕业约10名博士生。虽然加拿大目前拥有强大的钢铁和铝公司，以及训练有素的工程师，但大学研究人员必须通过继续培养受过培训并熟悉与这些行业相关的前沿技术进展的毕业生来帮助这种情况。清洁钢和汇丰铸造是未来炼钢的两个非常重要的领域，MMPC正在与RTIT的QIT(魁北克钢铁和钛)、AMD(Dofasco)和Hatch以及支持我们的其他分散在全球的公司合作，帮助实现这些转变。

The primary aim of this discovery grant is to advance our knowledge on 1) how to improve the intrinsic quality of liquid steel (as measured by lower concentrations of smaller inclusions below 50 microns), in order to significantly improve the general properties of steels, and 2) how to develop a better way to cast steels versus the current technology for steel sheet production. This uses machines to continuously cast thick (350 mm), or thin (60 mm), slabs, followed by slab reheat furnaces, and six, or seven, stands of hot rolling mills, to finally produce hot rolled coils. The new Near Net Shape Casting (NNSC) technology, proposed some twenty years ago, is vital for the production of new, advanced high strength, high ductility (HSHD) steels for the transportation sector. These advanced steels are high in manganese (~30%) and aluminum (~7%), using TRIP [transformation induced plasticity] and TWIP [Twinning induced plasticity] strengthening mechanisms. Such steel grades are beyond the capabilities of the current technology, but can triple the strength and quintuple elongations of conventional steels! Given these attributes, one can "lightweight" automobile and truck bodies, very significantly. To meet these objectives, we have unique equipment at hand, on which our graduate students can perform their experimental research; a full scale water model of a typical ladle-tundish-mold facility, and a large, pilot scale, Horizontal Single Belt Caster (HSBC), together with appropriate induction furnaces plus various resistance furnaces operating between 1000 C and 1800 C. These will be used in conjunction with our high performance SGI computer cluster, also at our Stinson Laboratory, as well as smaller ancillary equipment, so that we can formulate, and experimentally verify, various research strategies, and plan associated follow-up research projects, to accomplish these objectives. It will simultaneously lead to the training of High Quality Personnel, specialized in both the practical and theoretical aspects of Process Metallurgical Engineering. This HSBC casting research is also of great relevance to the aluminum industry. Thus, over the next five year granting period, we expect to graduate a total of about ten doctoral students for industry, academia, and government. Whilst Canada presently has strong steel and aluminum companies, and well trained engineers, University Researchers must help this situation by continuing to produce graduates trained and familiar with leading edge advances in technologies of relevance to these industries. Cleaner steels and HSBC casting are two such areas of great importance in the future of steelmaking, where the MMPC is working in collaboration with QIT (Quebec Iron and Titanium) of RTIT, with AMD (Dofasco) and HATCH, as well as its other globally dispersed companies that have supported us, to help effect these transformations.*** **