View in EDS HTML Full Text PDF Full Text

Analysis of Micro-Evolution Mechanism of 3D Crack Initiation in Brittle Materials with Hole under Uniaxial Compression.

Saved in:
Bibliographic Details
Title: Analysis of Micro-Evolution Mechanism of 3D Crack Initiation in Brittle Materials with Hole under Uniaxial Compression.
Authors: Maimaitiyusupu, Semaierjiang1,2 (AUTHOR) renxh@hhu.edu.cn, Zhu, Zhende3,4 (AUTHOR) zzdnj@hhu.edu.cn, Ren, Xuhua1 (AUTHOR) zhangh1998hhu@163.com, Zhang, Hui1 (AUTHOR), Zhu, Shu3,4 (AUTHOR) 20210940@hhu.edu.cn
Source: Materials (1996-1944). Feb2024, Vol. 17 Issue 4, p920. 27p.
Subjects: Brittle materials, Microevolution, Crack propagation, Surface cracks, Failure mode & effects analysis
Abstract: This article investigates the microscopic mechanism of crack initiation and propagation in three-dimensional embedded cracks in brittle materials containing circular holes. First, a method for the development of transparent, brittle materials is proposed. Second, UCS tests were conducted on transparent, brittle materials containing circular holes and internally embedded three-dimensional cracks. Finally, a numerical model was established in PFC3D to analyze the crack initiation and propagation mechanism. The results show that when α = 0° (α refers to the pre-existing crack inclination), the upper tip of the pre-existing crack appears as a tensile wing crack, and the lower tip of the pre-existing crack appears as a tensile–shear mixed crack. When α = 30°, no wing crack appears, and the tensile crack on the fracture surface only appears after the hole cracks. When α = 60 and 90°, a tensile wing crack and an anti-wing tensile–shear mixed crack appear at the upper tip of the pre-existing crack. A tensile wing crack appears at the lower tip of the pre-existing crack and appears "self-limiting". During the propagation of wing cracks to the surface of the specimen, the transition sequence of the crack propagation mechanism is tensile through failure—tension-shear mixed failure—tensile failure. It can be seen that the interaction between the crack and hole has an important influence on the evolution mechanism of the crack and the failure mode of the specimen. [ABSTRACT FROM AUTHOR]
Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
Full text is not displayed to guests.
FullText Links:
  – Type: pdflink
Text:
  Availability: 1
Header DbId: egs
DbLabel: Engineering Source
An: 175649699
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: Analysis of Micro-Evolution Mechanism of 3D Crack Initiation in Brittle Materials with Hole under Uniaxial Compression.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Maimaitiyusupu%2C+Semaierjiang%22">Maimaitiyusupu, Semaierjiang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> renxh@hhu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhu%2C+Zhende%22">Zhu, Zhende</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<i> zzdnj@hhu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Ren%2C+Xuhua%22">Ren, Xuhua</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zhangh1998hhu@163.com</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Hui%22">Zhang, Hui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhu%2C+Shu%22">Zhu, Shu</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<i> 20210940@hhu.edu.cn</i>
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Materials+%281996-1944%29%22">Materials (1996-1944)</searchLink>. Feb2024, Vol. 17 Issue 4, p920. 27p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Brittle+materials%22">Brittle materials</searchLink><br /><searchLink fieldCode="DE" term="%22Microevolution%22">Microevolution</searchLink><br /><searchLink fieldCode="DE" term="%22Crack+propagation%22">Crack propagation</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+cracks%22">Surface cracks</searchLink><br /><searchLink fieldCode="DE" term="%22Failure+mode+%26+effects+analysis%22">Failure mode & effects analysis</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This article investigates the microscopic mechanism of crack initiation and propagation in three-dimensional embedded cracks in brittle materials containing circular holes. First, a method for the development of transparent, brittle materials is proposed. Second, UCS tests were conducted on transparent, brittle materials containing circular holes and internally embedded three-dimensional cracks. Finally, a numerical model was established in PFC3D to analyze the crack initiation and propagation mechanism. The results show that when α = 0° (α refers to the pre-existing crack inclination), the upper tip of the pre-existing crack appears as a tensile wing crack, and the lower tip of the pre-existing crack appears as a tensile–shear mixed crack. When α = 30°, no wing crack appears, and the tensile crack on the fracture surface only appears after the hole cracks. When α = 60 and 90°, a tensile wing crack and an anti-wing tensile–shear mixed crack appear at the upper tip of the pre-existing crack. A tensile wing crack appears at the lower tip of the pre-existing crack and appears "self-limiting". During the propagation of wing cracks to the surface of the specimen, the transition sequence of the crack propagation mechanism is tensile through failure—tension-shear mixed failure—tensile failure. It can be seen that the interaction between the crack and hole has an important influence on the evolution mechanism of the crack and the failure mode of the specimen. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=175649699
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.3390/ma17040920
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 27
        StartPage: 920
    Subjects:
      – SubjectFull: Brittle materials
        Type: general
      – SubjectFull: Microevolution
        Type: general
      – SubjectFull: Crack propagation
        Type: general
      – SubjectFull: Surface cracks
        Type: general
      – SubjectFull: Failure mode & effects analysis
        Type: general
    Titles:
      – TitleFull: Analysis of Micro-Evolution Mechanism of 3D Crack Initiation in Brittle Materials with Hole under Uniaxial Compression.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Maimaitiyusupu, Semaierjiang
      – PersonEntity:
          Name:
            NameFull: Zhu, Zhende
      – PersonEntity:
          Name:
            NameFull: Ren, Xuhua
      – PersonEntity:
          Name:
            NameFull: Zhang, Hui
      – PersonEntity:
          Name:
            NameFull: Zhu, Shu
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 15
              M: 02
              Text: Feb2024
              Type: published
              Y: 2024
          Identifiers:
            – Type: issn-print
              Value: 19961944
          Numbering:
            – Type: volume
              Value: 17
            – Type: issue
              Value: 4
          Titles:
            – TitleFull: Materials (1996-1944)
              Type: main
ResultId 1