Investigation of a Unified Theory of Anisotropic Plasticity with Application to Sheet Metals
各向异性塑性统一理论及其在金属板材中的应用研究
基本信息
- 批准号:9700103
- 负责人:
- 金额:$ 12.37万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1997
- 资助国家:美国
- 起止时间:1997-08-01 至 2000-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
DMI-9700103 Wu The metal forming process, including sheet metal forming, is still heavily dependent upon experience-based and trial-and-error techniques. To improve the efficiency of metal forming process, analytical techniques are required to advanced the predictive capabilities of engineering design tools. The focal point of the proposed analytical techniques ties in the scientific understanding of the basic deformation process and its mechanics. The study will result in an effective formulation that can realistically describe the deformation of metal forming. The effort will be devoted to the development of a unified theory of anisotropic plasticity that is realistic in industrial applications. Topics to be investigated include a quadratic yield function, kinematic hardening, the plastic strain ratio, deformation of sheet metals and torsion of a thin-walled tube. This collaborative research project is a joint effort between the University of Iowa and Alcoa. The study will be carried out by use of theory and experiment. This study is the first step toward a comprehensive, high-powered computer simulation and design of metal forming and holds significant potential for development. This collaborative research project has a balance between theory and experiment, and will provide valuable findings for the automotive manufacturing and Aluminum manufacturing industries.
金属成形工艺,包括金属板材成形,仍然严重依赖于基于经验的试错技术。 为了提高金属成形过程的效率,需要分析技术来提高工程设计工具的预测能力。所提出的分析技术的重点在于对基本变形过程及其力学的科学理解。 该研究将导致一个有效的公式,可以真实地描述金属成形的变形。 这项工作将致力于发展一个统一的理论,各向异性塑性,是现实的工业应用。 研究课题包括二次屈服函数、随动强化、塑性应变比、金属板的变形和薄壁管的扭转。这个合作研究项目是爱荷华州大学和美国铝业公司的共同努力。 本研究将采用理论与实验相结合的方法进行。 这项研究是迈向全面的,高性能的计算机模拟和金属成形设计的第一步,并具有显着的发展潜力。 该合作研究项目在理论和实验之间取得了平衡,将为汽车制造业和铝制造业提供有价值的发现。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Han-Chin Wu其他文献
Han-Chin Wu的其他文献
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{{ truncateString('Han-Chin Wu', 18)}}的其他基金
Engineering Research Equipment: Upgrading of the Existing Axial-Torsion Materials Testing System
工程研究设备:现有轴向扭转材料测试系统的升级
- 批准号:
9532043 - 财政年份:1996
- 资助金额:
$ 12.37万 - 项目类别:
Standard Grant
Endochronic Theory For the Mechanical Behavior of Sand
沙子力学行为的内时理论
- 批准号:
8213569 - 财政年份:1983
- 资助金额:
$ 12.37万 - 项目类别:
Standard Grant
Endochronic Theory For the Mechanical Behavior of Sand
沙子力学行为的内时理论
- 批准号:
7916590 - 财政年份:1980
- 资助金额:
$ 12.37万 - 项目类别:
Continuing Grant
Servo-Controlled Axial-Torsion Testing System
伺服控制轴向扭转测试系统
- 批准号:
7810757 - 财政年份:1978
- 资助金额:
$ 12.37万 - 项目类别:
Standard Grant
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