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在役设备材料弹塑性力学参数测定方法综述——小冲杆实验力学研究进展之一
New Method for Measuring Material Elasto-Plastic Properties of in-Service Equipments——Advances in Small Punch Test Mechanics I

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丁克勤 1   寿比南 1   吴永礼 2  
文摘 20多年以来,采用小型试件的小冲杆试验技术来测量在役设备材料的各种力学参数已经取得了很大进展,这个方法已经用来确定材料的弹性模量、屈服强度、塑性性能、抗拉强度、韧-脆转变温度、断裂韧度、蠕变性能和黏塑性性能等各种力学性能。由于从小冲杆试验的测量结果来确定材料的力学性能是一个反问题,因此,与此有关的反问题分析方法也得到了相应的发展。本文系统综述小冲杆试验的测量技术及从测量数据来确定材料弹塑性参数的各种经验方法和计算方法,例如有限元分析和参数法、反向有限元法、有限元和反方法、反向识别和人工神经网络、有限元优化和试验变形形状以及杂交反方法等。
其他语种文摘 During overpassed 20 more years,as a kind of new experimental technology,small punch test for measuring small size specimens has been developed to evaluate the material mechanical properties of in-service equipments.It is already used to determinate the elastic modulus,yield stress,plastic properties,endurance strength,ductile-brittle transition temperature,fracture toughness,creep properties,plasto-viscous properties and so on.Because of the constitutive property assessment from the small punch test is an inverse problem,therefore the related analysis methods for the inverse problem have been developed greatly.This paper systematically provides an overview of recent developments in small punch test technology including empirical and computational methods for determining elasto-plastic parameters from the measured data of small punch test.The computational methods involve finite element and parameter method,inverse finite element procedure,finite element and inverse methodology,inverse identification based on artificial neural networks,finite element optimization,shape deformation and hybrid inverse procedure et al.
来源 实验力学 ,2008,23(6):539-548 【核心库】
关键词 小冲杆试验 ; 弹性性能 ; 塑性性能 ; 材料力学性能
地址

1. 中国特种设备检测研究院, 北京, 100013  

2. 中国科学院力学研究所, 北京, 100080

语种 中文
文献类型 研究性论文
ISSN 1001-4888
学科 一般工业技术
文献收藏号 CSCD:3463592

参考文献 共 41 共3页

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引证文献 3

1 关凯书 小冲杆试验确定材料拉伸断后伸长率的研究 实验力学,2011,26(2):209-215
被引 4

2 钟巍华 小冲杆测试辐照对反应堆压力容器钢力学性能的影响 金属学报,2011,47(9):1205-1209
被引 4

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