Texture Control of Copper Base Shape Memory Effect Alloys
铜基形状记忆效应合金的织构控制
基本信息
- 批准号:63550503
- 负责人:
- 金额:$ 1.22万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for General Scientific Research (C)
- 财政年份:1988
- 资助国家:日本
- 起止时间:1988 至 1989
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The present study, which is designed to improve the mechanical properties of Cu-base shape memory alloys by means of texture control, is divided into two parts; in the first one, the computer program to simulate hot-deformation textures in beta phase Cu-alloys is described and the second is concerned with the experimental examinations on textural behaviors in Cu-12wt.% Al-5wt% Ni shape memory alloy plates.The problem of unique determination of rotation tensor in crystallite under partially constrained deformation has been formulated as a nonlinear optimization problem with some constraints, based on the maximum external work principle. The numerical method for obtaining the solution of the problem has been introduced, and the FORTRAN program to quantitatively simulate the deformation textures in polycrystalline metals has been successfully developed. The proposed simulation technique applied to get the basic informations about texture control problem in Cu-base shape memory alloys.Polycrystalline Cu-base shape memory alloy plates (Cu-12 % Al -5 % Ni-2 % Mn-1 % Ti) having initially random orientations were hot-rolled in the various rolling conditions. The texture were studied experimentally in detail by means of pole figure measurements and the factors affecting sharp texture development has been examined. It turned out that the considerably sharp textures have been developed up to 85pct reduction in thickness at the hot-rolling temperature of about 600゚C.
本研究旨在通过织构控制来改善铜基形状记忆合金的力学性能,研究分为两个部分;本文首先介绍了模拟β相cu合金热变形织构的计算机程序,其次介绍了Cu-12wt织构行为的实验研究。% Al-5wt% Ni形状记忆合金板。基于最大外功原理,将部分约束变形条件下晶体旋转张量的唯一确定问题表述为带有一定约束条件的非线性优化问题。介绍了求解该问题的数值方法,并成功开发了定量模拟多晶金属变形织构的FORTRAN程序。所提出的仿真技术用于获取铜基形状记忆合金织构控制问题的基本信息。在不同的轧制条件下,对初始取向随机的多晶铜基形状记忆合金板(cu - 12% Al - 5% Ni-2 % mn - 1% Ti)进行了热轧试验。通过极形测量对织构进行了详细的实验研究,探讨了影响织构发展的因素。结果表明,在600℃左右的热轧温度下,形成了相当锋利的织构,厚度减少了85%。
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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SEKINE Kazuyoshi其他文献
SEKINE Kazuyoshi的其他文献
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{{ truncateString('SEKINE Kazuyoshi', 18)}}的其他基金
Risk estimation for large-scale accidents using risk curve and statistical analysis and its application for prevention of industrial accidents
利用风险曲线和统计分析进行大型事故风险评估及其在预防工业事故中的应用
- 批准号:
16510109 - 财政年份:2004
- 资助金额:
$ 1.22万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Development of Texture Prediction Technique for Structural Control and High Quality Characteristics of Metallic Materials
金属材料结构控制和高质量特性的织构预测技术的发展
- 批准号:
12450292 - 财政年份:2000
- 资助金额:
$ 1.22万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
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