Numerical Simulation of Mechanical Behaviors of the TiNi Shape Memory Alloy Welded Joints in the Pre

来源 :Journal of Materials Science & Technology | 被引量 : 0次 | 上传用户:ggfjkjtyr
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The hysteresis unit system was introduced to mechanical structure behavior of the TiNi SMA joint based on the structure characteristics of the martensite variants in the joints, and some functions reflecting its inner structure characteristics and micro-behavior such as density function, phase transformation function were set up from micro-points. Finally, the structure behavior relationship and corresponding mathematic model reflecting the relationship among hysteresis strain, stress and phase transformation strain were provided, which could predict the stress-strain behavior of the TiNi SMA joint to large extent. The hysteresis unit system was introduced to mechanical structure behavior of the TiNi SMA joint based on the structure characteristics of the martensite variants in the joints, and some functions reflect its inner structure characteristics and micro-behavior such as density function, phase transformation function were set Finally, the structure behavior relationship and corresponding mathematic model reflecting the relationship among hysteresis strain, stress and phase transformation strain were, which could predict the stress-strain behavior of the TiNi SMA joint to large extent.
其他文献
据《中华工商时报》2003年8月8日报道,韩国政府指定仁川市的3个地区为自由经济区,实行特殊的经济政策,吸引外商投资,使其成为集航运、物流、金融、高新技术为一体的经济特区
湖北省丹江口水库区是南水北调中线工程的水源区。随着调水工程的实施,库区土地资源将受到深远的影响。以丹江口水库及其四周海拔低于200m的区域为研究范围,选用90年代初获取的LandsatTM假彩色
The microstructure and creep behavior of a DS NiAI-Fe(Nb) multiphase intermetallic alloy have been investigated. This alloyexhibits dendritic structure, in whi
由于地质和地理条件的特殊性,沿海地区生态环境极其脆弱和敏感。水资源短缺、水环境污染、海水入侵、地面沉降、生态环境退化和海平面上升,已构成我国沿海地区实现可持续发展战
一、关于“c型”曲线的说法 在国外的一些资料中,经常可以看到在打高尔夫球挥杆动作的最后阶段中,关于形成“c型;曲线的身体姿势的例子。具体指的是由于腰部的转动和身体重
期刊
基于有限元法给出了一种通用的建模方法分析箱梁的剪力流,提出了在悬臂梁上进行两点加载获得纯剪面的简化模式。使用ANSYS对一薄壁箱形截面进行剪力流分析,并与传统的用于箱
本文基于空间非均匀地震动输入和拱坝三维动力有限元法,建立了拱坝在非平稳空间随机地震动场激励下的随机振动分析方法.以一实际拱坝为例,计算了非平稳随机地震动场作用下的拱坝
A method of concentration analysis based on X-ray photoelectron spectroscopy (XPS) results was introduced. The concentration of Ce-rich conversion coating on t
20世纪70年代以来,多国公司寻求在世界范围内安排其生产经营活动,于是多国公司成为全球化的支持者和主体;而全球化的反对者认为在世界一体化迅速发展的同时,许多国家不再能够采取主权国家政策,尤其是在社会保障方面。不同国家对于全球化的态度不尽相同,但是某些国家却把其面临的经济困境归咎于全球化。