Indentation of Brittle Materials / DB. Marshall, BR. Lawn
- Conference Author:
- Microindentation Techniques in Materials Science and Engineering (1984 : Philadelphia, PA)
- Physical Description:
- 1 online resource (21 pages) : illustrations, figures, tables
- Additional Creators:
- Lawn, BR.
American Society for Testing and Materials
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- The use of indentation testing as a method for investigating the deformation and fracture properties of intrinsically brittle materials, glasses, and ceramics is examined. It is argued that the traditional plasticity models of hardness phenomena can be deficient in some important respects, notably in the underlying assumptions of homogeneity and volume conservation. The penetrating indenter is accommodated by an intermittent ¿̐ưshear faulting¿̐ư mode, plus (to a greater or lesser extent, depending on the material) some structural compaction or expansion. These faults provide the sources for initiation of the indentation cracks. Once generated, the cracks can grow under the action of subsequent external tensile stresses, thereby taking the specimen to failure.
- Dates of Publication and/or Sequential Designation:
- Volume 1985, Issue 889 (January 1985)
- 9780803149519 (e-ISBN)
- Digital File Characteristics:
- text file PDF
- Bibliography Note:
- Includes bibliographical references 37.
- Other Forms:
- Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
Full text article also available for purchase.
Also available in PDF edition.
- Reproduction Note:
- Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1985. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
- Technical Details:
- Mode of access: World Wide Web.
- Source of Acquisition:
- ASTM International PDF Purchase price USD25.
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