用TCD和SED方法估计u形缺口聚碳酸酯试件I/II型混合模式断裂

IF 1.8 4区 材料科学 Q2 MATERIALS SCIENCE, CHARACTERIZATION & TESTING
J. Albinmousa, J. AlSadah, M. A. Hawwa, H. M. Al-Qahtani
{"title":"用TCD和SED方法估计u形缺口聚碳酸酯试件I/II型混合模式断裂","authors":"J. Albinmousa,&nbsp;J. AlSadah,&nbsp;M. A. Hawwa,&nbsp;H. M. Al-Qahtani","doi":"10.1134/S1029959923010083","DOIUrl":null,"url":null,"abstract":"<p>Polycarbonate (PC) has diverse applications in different industries such as transportation, electronics, biomedical and solar energy sectors. Polycarbonate is used as a material for structural components that are usually complex in shape and subjected to severe mechanical loading. The presence of notches such as holes, grooves, or cuts reduces the load-carrying capacity of structural components because of the stress concentration. Therefore, it is essential to understand the mechanical behavior of polycarbonate in the presence of different notch geometries. Machining of inclined notches at different angles to the applied load is simple, but this can produce complex mixed-mode I/II states that exist in real-life applications. The present study is performed on PC specimens with U-notches of different geometry. They differed in depths, radii, and angles. These specimens were tested under quasi-static loading, and selected specimens were analyzed using digital image correlation. Two linear elastic methods were used to analyze the fracture of U-notched PC specimens: the theory of critical distance with the point method (TCD-PM) and the strain energy density with the equivalent material concept (SED-EMC). Satisfactory estimates with the error between –4% and 2.5% were achieved using the TCD-PM method. Estimates derived by the SED-EMC method were mostly within the error of about ±13%.</p>","PeriodicalId":726,"journal":{"name":"Physical Mesomechanics","volume":"26 1","pages":"66 - 81"},"PeriodicalIF":1.8000,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Estimation of Mixed-Mode I/II Fracture of U-Notched Polycarbonate Specimens Using the TCD and SED Methods\",\"authors\":\"J. Albinmousa,&nbsp;J. AlSadah,&nbsp;M. A. Hawwa,&nbsp;H. M. Al-Qahtani\",\"doi\":\"10.1134/S1029959923010083\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Polycarbonate (PC) has diverse applications in different industries such as transportation, electronics, biomedical and solar energy sectors. Polycarbonate is used as a material for structural components that are usually complex in shape and subjected to severe mechanical loading. The presence of notches such as holes, grooves, or cuts reduces the load-carrying capacity of structural components because of the stress concentration. Therefore, it is essential to understand the mechanical behavior of polycarbonate in the presence of different notch geometries. Machining of inclined notches at different angles to the applied load is simple, but this can produce complex mixed-mode I/II states that exist in real-life applications. The present study is performed on PC specimens with U-notches of different geometry. They differed in depths, radii, and angles. These specimens were tested under quasi-static loading, and selected specimens were analyzed using digital image correlation. Two linear elastic methods were used to analyze the fracture of U-notched PC specimens: the theory of critical distance with the point method (TCD-PM) and the strain energy density with the equivalent material concept (SED-EMC). Satisfactory estimates with the error between –4% and 2.5% were achieved using the TCD-PM method. Estimates derived by the SED-EMC method were mostly within the error of about ±13%.</p>\",\"PeriodicalId\":726,\"journal\":{\"name\":\"Physical Mesomechanics\",\"volume\":\"26 1\",\"pages\":\"66 - 81\"},\"PeriodicalIF\":1.8000,\"publicationDate\":\"2023-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Physical Mesomechanics\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://link.springer.com/article/10.1134/S1029959923010083\",\"RegionNum\":4,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"MATERIALS SCIENCE, CHARACTERIZATION & TESTING\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physical Mesomechanics","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1134/S1029959923010083","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, CHARACTERIZATION & TESTING","Score":null,"Total":0}
引用次数: 0

摘要

聚碳酸酯(PC)在不同的行业有不同的应用,如交通运输、电子、生物医学和太阳能领域。聚碳酸酯被用作结构部件的材料,这些部件通常形状复杂,承受着严重的机械载荷。由于应力集中,缺口(如孔、槽或切口)的存在降低了结构部件的承载能力。因此,有必要了解聚碳酸酯在不同缺口几何形状下的力学行为。加工不同角度的倾斜缺口与施加的载荷很简单,但这可能会产生复杂的混合模式I/II状态,存在于实际应用中。本研究是在具有不同几何形状u形缺口的PC试件上进行的。它们的深度、半径和角度不同。对试件进行了准静态加载试验,并对选取的试件进行了数字图像相关分析。采用点法临界距离理论(TCD-PM)和等效材料概念应变能密度法(ced - emc)两种线弹性方法分析了u形缺口PC试件的断裂。使用TCD-PM方法获得了误差在-4%至2.5%之间的满意估计。用SED-EMC方法得到的估计误差大多在±13%左右。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Estimation of Mixed-Mode I/II Fracture of U-Notched Polycarbonate Specimens Using the TCD and SED Methods

Estimation of Mixed-Mode I/II Fracture of U-Notched Polycarbonate Specimens Using the TCD and SED Methods

Polycarbonate (PC) has diverse applications in different industries such as transportation, electronics, biomedical and solar energy sectors. Polycarbonate is used as a material for structural components that are usually complex in shape and subjected to severe mechanical loading. The presence of notches such as holes, grooves, or cuts reduces the load-carrying capacity of structural components because of the stress concentration. Therefore, it is essential to understand the mechanical behavior of polycarbonate in the presence of different notch geometries. Machining of inclined notches at different angles to the applied load is simple, but this can produce complex mixed-mode I/II states that exist in real-life applications. The present study is performed on PC specimens with U-notches of different geometry. They differed in depths, radii, and angles. These specimens were tested under quasi-static loading, and selected specimens were analyzed using digital image correlation. Two linear elastic methods were used to analyze the fracture of U-notched PC specimens: the theory of critical distance with the point method (TCD-PM) and the strain energy density with the equivalent material concept (SED-EMC). Satisfactory estimates with the error between –4% and 2.5% were achieved using the TCD-PM method. Estimates derived by the SED-EMC method were mostly within the error of about ±13%.

求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
Physical Mesomechanics
Physical Mesomechanics Materials Science-General Materials Science
CiteScore
3.50
自引率
18.80%
发文量
48
期刊介绍: The journal provides an international medium for the publication of theoretical and experimental studies and reviews related in the physical mesomechanics and also solid-state physics, mechanics, materials science, geodynamics, non-destructive testing and in a large number of other fields where the physical mesomechanics may be used extensively. Papers dealing with the processing, characterization, structure and physical properties and computational aspects of the mesomechanics of heterogeneous media, fracture mesomechanics, physical mesomechanics of materials, mesomechanics applications for geodynamics and tectonics, mesomechanics of smart materials and materials for electronics, non-destructive testing are viewed as suitable for publication.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信