Development of a Hot Stamping Process Model for a 2,000 MPa Ultra High Strength Steel

2000 MPa 超高强度钢热冲压工艺模型的开发

• 批准号: 532078-2018
• 负责人: Worswick, Michael
• 金额: $ 9.47万
• 依托单位: University of Waterloo
• 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
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=697325
• 关键词: Development; Hot; Stamping; Process; Model

This research, to be undertaken as a collaboration between Ford, Promatek Research Centre (Magna) and the Universities of Waterloo and Guelph, will address the hot stamping and final properties of a new ultra high strength steel alloy, Usibor 2000-AS. This alloy has a strength of 2,000 MPa making it attractive for automotive anti-intrusion structural applications relative to current 1,500 MPa strength alloys. However, the current lack of process models and characterization data for this alloy represents a barrier to commercial adoption. Thus, a hot stamping process model will be developed to support process and product design and optimization that will include characterization data and sub-models of: (i) heat transfer, coating and substrate evolution within the large-scale (100 m) roller hearth furnaces used in this process; and (ii) constitutive behaviour and formability during high temperature forming (500-850 Celsius). The developed process models and data will enable product weight reduction by fully utilizing the material capabilities, resulting in structural part thickness reductions to 1.0 mm. With up to 40% of car body structural parts projected to be hot stamped, the improved simulation models and process efficiencies from this project will contribute to sustain and potentially increase Ford and Magna's market share in the very large automotive structural market. Competitive technological advantage stemming from this project will secure manufacturing jobs in Canada and the highly qualified students to be trained will establish future innovation capacity. Lighter, safer, more fuel efficient vehicles will be built in Canada and driven around the world.

这项研究由福特、Promatek 研究中心（麦格纳）以及滑铁卢大学和圭尔夫大学合作进行，将解决新型超高强度钢合金 Usibor 2000-AS 的热冲压和最终性能问题。该合金的强度为 2,000 MPa，相对于当前 1,500 MPa 强度的合金，它对于汽车防侵入结构应用具有吸引力。然而，目前缺乏这种合金的工艺模型和表征数据，这阻碍了其商业应用。因此，将开发一个热冲压工艺模型来支持工艺和产品设计及优化，其中包括以下特性数据和子模型：(i) 大型 (100 m) 辊底炉内的传热、涂层和基材演化此过程中使用的熔炉； (ii) 高温成型（500-850 摄氏度）期间的本构行为和成型性。开发的工艺模型和数据将通过充分利用材料能力来减轻产品重量，从而使结构零件厚度减少至1.0毫米。由于预计多达 40% 的车身结构件将采用热冲压工艺，因此该项目改进的仿真模型和流程效率将有助于维持并有可能增加福特和麦格纳在庞大的汽车结构市场中的市场份额。该项目带来的竞争性技术优势将确保加拿大的制造业就业机会，而接受培训的高素质学生将建立未来的创新能力。更轻、更安全、更省油的车辆将在加拿大制造并在世界各地行驶。