I-Corps: Hardness and Virtual Fatigue Test Analysis

I-Corps：硬度和虚拟疲劳测试分析

• 批准号: 1739219
• 负责人: Daniel Kujawski
• 金额: $ 5万
• 依托单位: Western Michigan University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2017
• 资助国家: 美国
• 起止时间: 2017-06-15 至 2018-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1739219&HistoricalAwards=false
• 关键词: Corps; Hardness; Virtual; Fatigue; Test

The broader impact/commercial potential of this I-Corps project will be focused on improving design process efficiency for product development teams. This project will explore implementation of a web-based software that will be scalable, cost effective and comprehensive. Currently, many small to medium manufacturers cannot afford long-term simulation software due to high licensing and operating costs. To ensure durability, they rely heavily on a series of full-scale physical tests. Manufacturers who can afford existing software suites still utilize extensive physical testing, as simulation results are not solely adequate. This innovative technology allows for intelligent design changes and improvements to be implemented prior to prototyping and testing at an affordable rate for all manufacturers. This can significantly reduce the industry's reliance on physical testing, which can increase design time and product development costs.This I-Corps Project relies on an innovative relationship between the multi-scale hardness properties of a material and its long-term fatigue performance. By measuring the hardness of material, the technology can predict long-term product life. Currently, durability simulations are performed utilizing finite element analysis simulations and experimentally obtained material fatigue properties, neglecting important processing properties such as hardness and roughness. As a result, such simulations are often not accurate enough to predict the long-term performance of a product and thus necessitating physical testing for verification. The inclusion of processing parameters obtained through hardness testing in such simulation allows the designer to take into account many other contributing material factors and create a more robust and comprehensive simulation. This more accurate prediction of long-term product performance can drastically reduce the amount of physical testing necessary to verify a product is ready for the market. Using the multi-scale material properties from the hardness test, the proposed web-based software solution will be able to assist product engineers in design decisions regarding long term performance in any new or modified part.

该I-Corps项目的更广泛的影响/商业潜力将集中在提高产品开发团队的设计过程效率上。该项目将探讨将实施基于Web的软件，该软件将具有可扩展性，具有成本效益和全面的作用。目前，由于高许可和运营成本，许多中小型制造商无法负担长期仿真软件。为了确保耐用性，他们在很大程度上依赖一系列的全尺寸物理测试。可以负担得起现有软件套件的制造商仍在利用大量的物理测试，因为模拟结果不足。这种创新的技术允许在原型制作和测试之前以负担得起的所有制造商的价格进行智能设计变更和改进。这可以大大减少行业对物理测试的依赖，这可以增加设计时间和产品开发成本。该I-Corps项目依赖于材料的多尺度硬度属性与其长期疲劳性能之间的创新关系。通过测量材料的硬度，该技术可以预测长期产品寿命。当前，使用有限元分析模拟和实验获得的材料疲劳特性进行了耐用性模拟，从而忽略了重要的处理特性，例如硬度和粗糙度。结果，这种模拟通常不够准确，无法预测产品的长期性能，因此需要进行物理测试进行验证。通过硬度测试在此类模拟中获得的处理参数包括设计人员可以考虑许多其他贡献物质因素，并创建更强大，更全面的模拟。对长期产品性能的这种更准确的预测可以大大减少验证产品已经准备好市场所需的物理测试量。使用硬度测试中的多尺度材料属性，提出的基于Web的软件解决方案将能够协助产品工程师在任何新的或修改的部分中的长期性能进行设计决策。