Super Quality Melts for State-of-the-Art Steel

优质熔炼最先进的钢材

基本信息

  • 批准号:
    543572-2019
  • 负责人:
  • 金额:
    $ 7.29万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Collaborative Research and Development Grants
  • 财政年份:
    2020
  • 资助国家:
    加拿大
  • 起止时间:
    2020-01-01 至 2021-12-31
  • 项目状态:
    已结题

项目摘要

Ridding inclusions from liquid steel prior to casting and solidification has vexed steelmakers for many years. Large inclusion agglomerates are sufficiently buoyant, that they can float up to the surface of the liquid steel, if given sufficient time, prior to solidification. However, the smaller inclusion clusters of less than ~60 microns have such low float-out velocities that they remain trapped in the liquid steel, as do other entrained particles, and end-up in the solidified steel. All these inclusions can be very harmful to a steel's properties. We have been working on redressing this problem, by considering how to create microbubble swarms in liquid steel, so as to intercept all sizes of inclusions, and displace them from various "baths" of liquid steel. Using mathematical and full scale water models, we have been able to demonstrate a possible solution to our industrial partners, RTFT, RTMP, and NSC. They enthusiastically agree to support this initiative which will represent a) improved metal powder quality at RTMP, b) improved removal of MPE (metal powder entrainment) at RTFT, and c) improved steel quality at NSC. This CRD program will start, by confirming our water model results to date, using our full scale tundish systems for RTIT and NSC, and a one-third scale model of the RTMP Tundish. Simultaneously, a low temperature, non-wetting, low melting point alloy ("Cerrolow 136"), will be used to confirm the value of this novel "microbubble cleaning" technology, using a recirculating liquid metal loop incorporating controlled gas injection. We will then design equivalent liquid steel tests for Nippon Steel Corporation(NSC), and for the Rio Tinto Metal Powders (RTMP) and Rio Tinto Fer & Titane (RTFT) plants. Given that RTMP is the largest supplier of metal powders to the automobile industry in North America, while RTFT is also a supplier of auto-parts, this will firstly benefit, as well as their secondary metal parts suppliers. This collaboration with NSC will increase the competitiveness of Canada's steelmaking expertise, and lead to the early adoption of the technology, with the promise of dramatic improvements for future steel quality & properties, for the benefit of all.
在浇铸和凝固之前从钢水中去除夹杂物已经困扰了钢铁制造商很多年。大的夹杂物团聚体具有足够的浮力,如果在凝固之前给予足够的时间,它们可以浮到液态钢的表面。然而,小于~60微米的较小夹杂物簇的浮出速度如此之低,以至于它们与其他夹带颗粒一样被困在钢液中,并最终进入凝固的钢中。所有这些夹杂物对钢的性能都是非常有害的。我们一直致力于解决这个问题,通过考虑如何在钢水中产生微气泡群,以拦截各种尺寸的夹杂物,并将它们从各种钢水“浴”中排出。使用数学和全尺寸水模型,我们已经能够向我们的工业合作伙伴RTFT,RTMP和NSC展示一种可能的解决方案。他们热情地同意支持这一倡议,这将代表a)RTMP的金属粉末质量改善,B)RTFT的MPE(金属粉末夹带)去除改善,以及c)NSC的钢质量改善。 该CRD计划将通过确认我们迄今为止的水模型结果开始,使用我们的RTIT和NSC全尺寸模拟系统以及RTMP中间包的三分之一比例模型。同时,将使用低温、非润湿、低熔点合金(“Cerrolow 136”)来确认这种新颖的“微泡清洁”技术的价值,该技术使用结合受控气体注入的再循环液体金属回路。然后,我们将为新日铁公司(NSC)、力拓金属粉末(RTMP)和力拓铁和钛(RTFT)工厂设计等效的钢水测试。鉴于RTMP是北美汽车行业最大的金属粉末供应商,而RTFT也是汽车零部件供应商,这将首先受益,以及他们的二次金属零件供应商。与NSC的合作将提高加拿大炼钢专业知识的竞争力,并导致该技术的早期采用,并有望大幅改善未来的钢铁质量和性能,造福所有人。

项目成果

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Guthrie, Roderick其他文献

A model for accurate predictions of self-diffusivities in liquid metals, semimetals, and semiconductors

Guthrie, Roderick的其他文献

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{{ truncateString('Guthrie, Roderick', 18)}}的其他基金

Super Quality Melts for State-of-the-Art Steel
优质熔炼最先进的钢材
  • 批准号:
    543572-2019
  • 财政年份:
    2021
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Collaborative Research and Development Grants
ADVANCES IN THE FUNDAMENTALS OF LIQUID METAL PROCESSING AND CASTING OPERATIONS.
液态金属加工和铸造操作基础的进步。
  • 批准号:
    RGPIN-2020-05890
  • 财政年份:
    2021
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Discovery Grants Program - Individual
ADVANCES IN THE FUNDAMENTALS OF LIQUID METAL PROCESSING AND CASTING OPERATIONS.
液态金属加工和铸造操作基础的进步。
  • 批准号:
    RGPIN-2020-05890
  • 财政年份:
    2020
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Discovery Grants Program - Individual
Super Quality Melts for State-of-the-Art Steel
优质熔炼最先进的钢材
  • 批准号:
    543572-2019
  • 财政年份:
    2019
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Collaborative Research and Development Grants
Fundamentals of Metal Processing and Casting Operations
金属加工和铸造操作的基础知识
  • 批准号:
    RGPIN-2015-05831
  • 财政年份:
    2019
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Discovery Grants Program - Individual
Lightweight multi-layer composite metal sheet products for the automotive industry
用于汽车行业的轻质多层复合金属板材产品
  • 批准号:
    493951-2016
  • 财政年份:
    2018
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Strategic Projects - Group
Horizontal single belt casting of ferrous and non-ferrous metals
黑色金属和有色金属水平单带铸造
  • 批准号:
    478241-2014
  • 财政年份:
    2018
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Collaborative Research and Development Grants
Fundamentals of Metal Processing and Casting Operations
金属加工和铸造操作的基础知识
  • 批准号:
    RGPIN-2015-05831
  • 财政年份:
    2018
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Discovery Grants Program - Individual
Fundamentals of Metal Processing and Casting Operations
金属加工和铸造操作的基础知识
  • 批准号:
    RGPIN-2015-05831
  • 财政年份:
    2017
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Discovery Grants Program - Individual
Fundamentals of Metal Processing and Casting Operations
金属加工和铸造操作的基础知识
  • 批准号:
    RGPIN-2015-05831
  • 财政年份:
    2016
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Discovery Grants Program - Individual

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