Sarnath Thoudham, P. Kumbhar, A. Kanjarla, R. Annabattula
{"title":"Study of crack propagation in multi-phase composites embedded with both stiff and compliant particles using phase field method","authors":"Sarnath Thoudham, P. Kumbhar, A. Kanjarla, R. Annabattula","doi":"10.1088/1361-651x/ad29ae","DOIUrl":null,"url":null,"abstract":"\n Crack propagation in two-phase particle-reinforced composites is extensively studied using the phase field method. Typically, the particle either has a higher stiffness(stiff) or a lower stiffness(compliant) than the matrix. However, the crack propagation in multi-phase composites with both the stiff and compliant particles is not yet understood well. In this work, we report on the crack propagation characteristics and the resulting enhanced effective fracture toughness in multi-phase composite materials with both stiff and compliant particles using the phase filed method. Three different geometric arrangements of particles are considered: a diagonal array, a cubic array, and a honeycomb array. The honeycomb configuration had the best combination of strength and effective fracture toughness. We show that apart from the local geometric arrangement of the individual particles, the ratio of the stiffness of the individual particles is an important factor in crack propagation. Furthermore, we show that the ratio of the critical energy release rate of the individual particles can be tuned to increase the effective fracture toughness.","PeriodicalId":1,"journal":{"name":"Accounts of Chemical Research","volume":"146 1","pages":""},"PeriodicalIF":16.4000,"publicationDate":"2024-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Accounts of Chemical Research","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1088/1361-651x/ad29ae","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
Crack propagation in two-phase particle-reinforced composites is extensively studied using the phase field method. Typically, the particle either has a higher stiffness(stiff) or a lower stiffness(compliant) than the matrix. However, the crack propagation in multi-phase composites with both the stiff and compliant particles is not yet understood well. In this work, we report on the crack propagation characteristics and the resulting enhanced effective fracture toughness in multi-phase composite materials with both stiff and compliant particles using the phase filed method. Three different geometric arrangements of particles are considered: a diagonal array, a cubic array, and a honeycomb array. The honeycomb configuration had the best combination of strength and effective fracture toughness. We show that apart from the local geometric arrangement of the individual particles, the ratio of the stiffness of the individual particles is an important factor in crack propagation. Furthermore, we show that the ratio of the critical energy release rate of the individual particles can be tuned to increase the effective fracture toughness.
期刊介绍:
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.