Journal ArticleDOI
Cohesive interface simulations of indentation cracking as a fracture toughness measurement method for brittle materials
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TLDR
In this paper, a finite element model of four-sided pyramidal indentation adopting cohesive interface elements is developed to study the effects of indenter geometry, load, cohesive interface parameters, and material properties on the initiation and propagation of the median/radial/half-penny crack systems.About:
This article is published in Acta Materialia.The article was published on 2012-09-01. It has received 119 citations till now. The article focuses on the topics: Fracture mechanics & Fracture toughness.read more
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Journal ArticleDOI
Measurement of fracture toughness by nanoindentation methods: Recent advances and future challenges
TL;DR: In this paper, the authors describe recent advances and developments for the measurement of fracture toughness at small scales by the use of nanoindentation-based methods including techniques based on micro-cantilever, beam bending and micro-pillar splitting.
Journal ArticleDOI
A review of experimental approaches to fracture toughness evaluation at the micro-scale
Johannes Ast,Matteo Ghidelli,Matteo Ghidelli,Karsten Durst,Mathias Göken,Marco Sebastiani,Alexander M. Korsunsky +6 more
TL;DR: In this paper, a review of the state-of-the-art in the field of fracture mechanics is presented, with a focus on the modern experimental approaches to fine scale fracture toughness evaluation.
Journal ArticleDOI
Fracture resistance of high entropy alloys: A review
TL;DR: In this article, the authors summarize one decade of investigations of fracture resistance of HEAs and MEAs, including the characterization of fracture toughness, disclosure of fractographic characteristics, and understanding of fracture micro-mechanisms.
Journal ArticleDOI
Composition dependence of indentation deformation and indentation cracking in glass
TL;DR: In this paper, the Vickers indentation test was used to study the crack initiation and deformation behaviors of oxide glasses belonging to different chemical systems, and the glass types were compared according to their resistance to the formation of corner cracks.
Journal ArticleDOI
A novel pillar indentation splitting test for measuring fracture toughness of thin ceramic coatings
TL;DR: In this article, the authors explore a promising new technique that potentially overcomes these issues based on nanoindentation testing of micro-pillars produced by focused ion beam milling of the films.
References
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Journal ArticleDOI
The Determination of the Elastic Field of an Ellipsoidal Inclusion, and Related Problems
TL;DR: In this paper, it is shown that to answer several questions of physical or engineering interest, it is necessary to know only the relatively simple elastic field inside the ellipsoid.
Book
The stress analysis of cracks handbook
TL;DR: The Stress Analysis of Cracks Handbook as mentioned in this paper provides a comprehensive, easy-to-access collection of elastic stress solutions for crack configurations, along with other relevant information, such as displacements, crack opening areas, basic stress functions source references, accuracy of solutions, and more.
Journal ArticleDOI
A Critical Evaluation of Indentation Techniques for Measuring Fracture Toughness: I, Direct Crack Measurements
TL;DR: In this paper, the application of indentation techniques to the evaluation of fracture toughness is examined critically, in two parts: the first part is focused on an approach which involves direct measurement of Vickers-produced radial cracks as a function of the indentation load.
A Critical evaluation of indentation techniques for measuring fracture toughness
TL;DR: In this paper, the application of indentation techniques to the evaluation of fracture toughness is examined critically, in two parts: the first part is focused on an approach which involves direct measurement of Vickers-produced radial cracks as a function of the indentation load.
Book
Fracture of Brittle Solids
TL;DR: In this article, the authors present a unified continuum, microstructural and atomistic treatment of modern day fracture mechanics from a materials perspective, focusing on the basic elements of bonding and microstructure that govern the intrinsic toughness of ceramics.
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