Last edited by Sarn
Thursday, July 16, 2020 | History

3 edition of Interaction between a crack and a soft inclusion found in the catalog.

Interaction between a crack and a soft inclusion

Xue-Hui Liu

Interaction between a crack and a soft inclusion

by Xue-Hui Liu

  • 104 Want to read
  • 32 Currently reading

Published by National Aeronautics and Space Administration, Langley Research Center in Hampton, Va .
Written in English

    Subjects:
  • Fracture mechanics

  • Edition Notes

    StatementLiu Xue-Hui and F. Erdogan
    SeriesNASA contractor report -- 172533
    ContributionsLangley Research Center, Lehigh University
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14928310M

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Interaction between a crack and a soft inclusion by Xue-Hui Liu Download PDF EPUB FB2

Get this from a library. Interaction between a crack and a soft inclusion. [Xue-Hui Liu; Langley Research Center.; Lehigh University.].

This report reviews the fundamentals of the interaction between a crack and an inclusion in engineering materials. After a discussion of inclusions and cracks and a brief historical review of work Author: Christopher S.

Meyer. The interaction between an inclusion of arbitrary shape and a crack subjected to a remote mode II stress is investigated. The approximate solutions to predict the variations in crack-tip stress intensity factors of mode II crack induced by the inclusion have been developed both for the cases where the crack tip is near or within the by: Based upon the analytical solutions found previously and the numerical technique for solving the singular integral equation, in this paper we consider many kinds of interaction problems like a crack lying inside the inclusion, a crack lying outside the inclusion, a crack penetrating an inclusion or a crack lying along the interface between an Author: Chyanbin Hwu, Yin Ko Liang, Wen J.

Yen. They found that both the crack orientation and the gap between the crack and the inclusion influence on the SIF, the plastic zone size, and the crack tip opening displacement. Zhang et al. [5] studied the interaction of a crack and a circular inclusion in a finite plane by considering the inclusion as distributed by: 5.

The interaction between an elliptic inclusion and a crack is analyzed by body force method. Based on numerical results, effects of the inclusion shape on the crack tip stress intensity factor are discussed.

Jajam K., Tippur H. () Interaction between a dynamically growing crack with stiff and compliant inclusions using DIC and high-speed photography. In: Proulx T. (eds) Application of Imaging Techniques to Mechanics of Materials and Structures, Volume 4.

The solution to a curved matrix crack interacting with a circular elastic inclusion is presented. The problem is formulated using the Kolosov–Muskhelishvili complex stress potential technique where the crack is represented by an unknown distribution of dislocations.

After an appropriate parameterization, the resulting singular integral equations are solved with the Lobatto-Chebyshev. The interaction between an elliptical inclusion and a crack is analyzed by body force method.

The investigated stress field is simulated by superposing the fundamental solutions for a point force applied at a point in an infinite plate containing an elliptical inclusion. Based on numerical results, effects of the inclusion shape on the crack tip stress intensity factor are discussed.

In this book, bestselling authors and inclusion experts Frederick A. Miller and Judith H. Katz introduce the concept of “interaction safety” and demonstrate how it can help create a work environment of trust, inclusion, and collaboration in their latest book, Safe Enough to Soar.

When interaction safety exists, people know they will not be. Part of the Fracture Mechanics of Ceramics book series (FMOC, “The Anti Plane Shear Problem for a Crack Near an Elastic Inclusion”, M.S.

Thesis, Lehigh University. Google Scholar. Erdogan F. () The Interaction Between Inclusions and Cracks. In: Bradt R.C., Hasselman D.P.H., Lange F.F. (eds) Concepts, Flaws, and Fractography. The interaction between matrix crack and a round inclusion was studied by the method of digital gradient sensing (DGS).

First, the stress fields at the matrix crack tip in the neighbor of a round. inclusion and showed that crack interaction with a soft or a stiff inclusion alters crack path significantly.

A perfect bond between a matrix and an inclusion seldom exists in reality due to finite interfacial strength. This results in interfacial debonding between the two which in turn plays a significant role in the overall failure process.

The numerical results are consistent and con rm the well known crack tip shielding mechanism observed during the interaction between a crack and a much stiffer inclusion. View Show abstract. The configuration force F and torque C exerted on the inclusion may be derived from the change ^ of the potential energy of the system when the inclusion is displaced by and rotated by 6, say: = -(F + C) Fig.

3D effects (= %). a - The inclusion is pushed out of the matrix without damage because the inclusion can go out freely. Books at Amazon.

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The ultimate load of the specimen is thus determined by the strength of mortar, and the interaction between the mortar and the inclusion. The program was run for a number of inclusion angles ranging from 20 to degrees. The area of the inclusion in the plane of load was kept constant, satisfying an unchanged d/D ratio.

Hao et al. [26, 27] studied the inclusion shape on a crack-inclusion interaction by using the digital gradient sensing method. Three types of through-holes were embedded in the epoxy resin. inclusion agglomeration on linings.

Secondly, the resulting defects in continuous cast steel products are reviewed, such as flange cracked cans, slag spots, and line defects on the surface of rolled sheet.

Thirdly, the current “state-of-the-art” in the evaluation of steel cleanliness is summarized, discussing. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Sky News contributor Gemma Tognini says the attention given to unimportant interactions between Meghan Markle and the Queen over wedding attire has been blown out of proportion by the media.Interaction between Cracks and Inclusions a Effect of Plastic Deformation on the Motion of Point Defects at a Crack Tip a Interaction of SH-Waves with a Finite Crack in a Half-Space a Behavior of Dislocations Dynamically Emitted from Tip of Surface Crack.

Interaction safety is critical to successful organizations. Without it, employees can feel as though they can't speak up and contribute to problem-solving. Prioritizing creating interaction safety nurtures high-performing teams and productive interactions in every organization.