Development of Plastic Deformation Induced Crystalline Structure Analysis Code Based on Crystalline Restructuring Assey Theory
基于晶体重构分析理论的塑性变形诱导晶体结构分析程序的开发
基本信息
- 批准号:11450050
- 负责人:
- 金额:$ 9.92万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B).
- 财政年份:1999
- 资助国家:日本
- 起止时间:1999 至 2000
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This Study can be summarized as follow ;1. Using SEM and EBSD observations were employed to study how the size and initial orientation of specimen effect the plastic deformation induced crystal rotation and slip band formation during tension tests of FCC single crystal sheets. It is helpful to establish an elastic/crystalline plasticity FE code based on microscopic experimental observation.2. The orientation probability assignment method for crystalline plasticity finite element (FE) modeling, which could be categorized as an inhomogenized material model, was newly proposed. The orientations were determined and assigned to FE integration points, which represent crystallites and can rotate individually. Huge numbers of FE integration points were employed to represent textures of the sheet metals for taking account of the initial and evolutional plastic anisotropy.3. The textures of FCC aluminum alloy and BCC steel sheets were investigated by using orientation distribution function (ODF) analyses. The measured ODF results revealed clearly textures of the sheets, featured by orientation fibers, skeleton lines and selected orientations in Euler angle space, which could be related to the plastic anisotro py.4. The formability of FCC aluminum alloy and BCC steel sheets were assessed by using the elastic/crystalline viscoplastic FE code. It was confirmed by comparison with experiment that Finite Element simulation could predict the strain localization, earing and failure with good accuracy.
本研究的主要内容如下:1.采用SEM和EBSD观察方法,研究了试样尺寸和初始取向对面心立方(FCC)单晶片拉伸过程中塑性变形诱导晶体旋转和滑移带形成的影响。这有助于建立基于细观实验观察的弹/晶塑性有限元程序.提出了一种新的晶体塑性有限元模型取向概率赋值方法。确定取向并分配给FE积分点,其代表微晶并可单独旋转。采用大量的有限元积分点来表示板材的织构,以考虑板材的初始和演化塑性各向异性.采用取向分布函数(ODF)分析方法研究了FCC铝合金和BCC钢板的织构。ODF的测量结果显示了板材的织构特征,在欧拉角空间中存在取向纤维、骨架线和选择取向,这可能与板材的塑性各向异性有关.采用弹/晶粘塑性有限元程序对FCC铝合金和BCC钢板的成形性能进行了研究。通过与试验结果的对比,证实了有限元模拟能够较准确地预测应变局部化、穿孔和失效。
项目成果
期刊论文数量(63)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Nakamachi, E.and Xie, C.L., Harimoto, M.: "Drawability Assessment of BCC Steel Sheet by Using Elastic/Crystalline Viscoplastic Finite Element Analyses"Int.J.Mech.Sci.. 43. 631-652 (2001)
Nakamachi, E. 和 Xie, C.L., Harimoto, M.:“利用弹性/结晶粘塑性有限元分析评估 BCC 钢板的拉伸性能”Int.J.Mech.Sci.. 43. 631-652 (2001)
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Nakamachi, E.and Xie, C.L.: "Overall Optimum Design of Material Process and Sheet Metal Fabricationby Using FE and Discretized Optimization Method"Proc.ECCOMAS2000. 110 (2000)
Nakamachi, E.和Xie, C.L.:“利用有限元和离散优化方法进行材料工艺和钣金制造的总体优化设计”Proc.ECCOMAS2000。
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仲町英治,森本秀夫 他: "SEM・EBSD・FEM手法によるFCC結晶塑性変形解析"第13回計算力学講演会講演論文集. NO.00-17. 563-564 (2000)
Eiji Nakamachi、Hideo Morimoto 等人:“使用 SEM/EBSD/FEM 方法进行 FCC 晶体塑性变形分析”第 13 届计算力学会议论文集 NO.00-17 (2000)。
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赤松雅己,仲町英治 他: "集合組織と拘束条件が加工変形に及ぼす影響の結晶塑性有限要素解析"塑性加工春季講演会講演論文集. 205-206 (2000)
Masami Akamatsu、Eiji Nakamachi 等人:“织构和约束条件对加工变形影响的晶体塑性有限元分析”塑性工作春季会议论文集 205-206 (2000)。
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仲町英治,森本秀夫 他: "SEM・EBSD・FEM手法によるBCC結晶塑性変形解析"第13回計算力学講演会講演論文集. NO.00-17. 561-562 (2000)
Eiji Nakamachi、Hideo Morimoto 等人:“使用 SEM/EBSD/FEM 方法进行 BCC 晶体塑性变形分析”第 13 届计算力学会议论文集 NO.00-17 (2000)。
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NAKAMACHI Eiji其他文献
Enhancement of nerve axonal extension by an AC magnetic field stimulation bio-reactor using three-dimensional culture
利用三维培养的交流磁场刺激生物反应器增强神经轴突延伸
- DOI:
10.1299/jbse.19-00041 - 发表时间:
2019 - 期刊:
- 影响因子:0
- 作者:
NAKAMACHI Eiji;SAKIYAMA Ryota;TANAKA Shohei;YAMAMOTO Koji;MORITA Yusuke;SAKAMOTO Hidetoshi - 通讯作者:
SAKAMOTO Hidetoshi
NAKAMACHI Eiji的其他文献
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{{ truncateString('NAKAMACHI Eiji', 18)}}的其他基金
Development of Lead-Free Biocompatible Multi-Layer Thin-film Structure Generation Technology for Implantable Actuator and Energy Harvest Device
用于植入式执行器和能量收集装置的无铅生物相容性多层薄膜结构生成技术的开发
- 批准号:
23360059 - 财政年份:2011
- 资助金额:
$ 9.92万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Generation of Implantable Piezoelectric Thin Film for Hybrid Actuator and Enzyme Fuel Cell Battery
用于混合执行器和酶燃料电池的可植入压电薄膜的生成
- 批准号:
20360057 - 财政年份:2008
- 资助金额:
$ 9.92万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of Bio-Compatible Piezo-Electric Ultra Thin Film Fabrication Technologies for Implantable Nano-Actuator
可植入纳米执行器的生物相容性压电超薄膜制造技术的开发
- 批准号:
17360055 - 财政年份:2005
- 资助金额:
$ 9.92万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of molecular design and fabrication technology for a new bio-compatible piezo-electric Perovskite crystal micro-actuator of Bio-MEMS medical device
生物MEMS医疗器械新型生物相容性压电钙钛矿晶体微执行器的分子设计和制造技术开发
- 批准号:
14350062 - 财政年份:2002
- 资助金额:
$ 9.92万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of Analytical and Experimental Technologies for Crystal Morphological Control Fabrication of Hyper-Formability Material
超成形材料晶体形貌控制制造分析和实验技术的发展
- 批准号:
08455065 - 财政年份:1996
- 资助金额:
$ 9.92万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of Evaluation System by Analyzing Molecular Mechanical Adaptation Function of Biomimetics Material
仿生材料分子力学适应功能评价体系的开发
- 批准号:
08555029 - 财政年份:1996
- 资助金额:
$ 9.92万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of expert system for sheet forming optimization design based on finite element analysis.
基于有限元分析的板材成形优化设计专家系统开发
- 批准号:
01550081 - 财政年份:1989
- 资助金额:
$ 9.92万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)