IMECH-IR  > 非线性力学国家重点实验室
基于球形压入法提取材料的塑性力学参数
Alternative TitleA NEW SPHERICAL INDENTATION-BASED METHOD TO EXTRACT PLASTIC MATERIAL PARAMETERS
姜鹏; 张泰华; 杨荣; 梁乃刚
Source Publication力学学报
2009-09-18
Volume41Issue:5Pages:730-738
Abstract基于球形压入的工作方式,重点研究材料塑性力学参数的表征方法.首先,通过对球压入可测量的综合评价,选取能晕比(可释放功和压入总功之比)作为主要分析参数;其次,利用孔洞模型、量纲分析和数值模拟等工具,定义特定的代表性应变,建立起能量比和材料塑性力学参数之间的关系式,由此,提出一种能提取材料屈服应力和硬化指数的力学表征方法,该方法避免了对接触半径的测量,确保了方法的可操作性,并通过参数重组提高其稳定性;最后,选用45号钢和6061铝合金进行压入试验,与拉伸试验结果比对显示:该方法识别的塑性力学参数能满足工程测试需要.
Keyword仪器化压入 球形压头 屈服应力 应变硬化指数 孔洞模型
Indexed ByCSCD
Language中文
Funding Organization国家自然科学基金资助项目(10872200,10721202)
CSCD IDCSCD:3669642
Citation statistics
Cited Times:6[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/33181
Collection非线性力学国家重点实验室
Corresponding Author姜鹏
Recommended Citation
GB/T 7714
姜鹏,张泰华,杨荣,等. 基于球形压入法提取材料的塑性力学参数[J]. 力学学报,2009,41,5,:730-738.
APA 姜鹏,张泰华,杨荣,&梁乃刚.(2009).基于球形压入法提取材料的塑性力学参数.力学学报,41(5),730-738.
MLA 姜鹏,et al."基于球形压入法提取材料的塑性力学参数".力学学报 41.5(2009):730-738.
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