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You searched for subject:(deformation defect). Showing records 1 – 2 of 2 total matches.

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1. Tong, Yang. Structural Aspects of Deformation in Bulk Metallic Glasses.

Degree: 2015, University of Tennessee – Knoxville

Metallic glasses have liquid-like structure without well-defined topological defects like dislocations in metals and alloys. The unique disordered structure of metallic glasses leads to unique mechanical properties, such as inhomogeneous deformation at low temperature and homogeneous deformation at high temperature, and brittle behavior induced by annealing. This dissertation address three critical issues related to the mechanical behavior of metallic glasses: Identification of deformation defects in metallic glasses. We have conducted high energy X-ray diffraction experiment — using anisotropic pair distribution function — to characterize the size and density of defects in metallic glasses activated by external stresses. Our results based on the characterization method reveal the microscopic origin of ductility in some metallic glasses. Identification of two local stress relaxation modes that control macroscopic mechanical properties in metallic glasses. Using the defect characterization method we developed, we revealed two different local stress relaxation modes in defect regions, which are responsible for inhomogeneous and homogeneous deformation respectively. We developed structural rejuvenation method to improve and recover the compressive plasticity. The microscopic mechanism of structural rejuvenation was unveiled by structural study and molecular dynamics simulation.

Subjects/Keywords: bulk metallic glass; deformation defect; Structural Materials

…glasses leads to unique mechanical properties, such as inhomogeneous deformation at low… …temperature and homogeneous deformation at high temperature, and brittle behavior induced by… …metallic glasses: 1. Identification of deformation defects in metallic glasses. We have conducted… …control macroscopic mechanical properties in metallic glasses. Using the defect characterization… …method we developed, we revealed two different local stress relaxation modes in defect regions… 

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Tong, Y. (2015). Structural Aspects of Deformation in Bulk Metallic Glasses. (Doctoral Dissertation). University of Tennessee – Knoxville. Retrieved from https://trace.tennessee.edu/utk_graddiss/3370

Chicago Manual of Style (16th Edition):

Tong, Yang. “Structural Aspects of Deformation in Bulk Metallic Glasses.” 2015. Doctoral Dissertation, University of Tennessee – Knoxville. Accessed January 23, 2019. https://trace.tennessee.edu/utk_graddiss/3370.

MLA Handbook (7th Edition):

Tong, Yang. “Structural Aspects of Deformation in Bulk Metallic Glasses.” 2015. Web. 23 Jan 2019.

Vancouver:

Tong Y. Structural Aspects of Deformation in Bulk Metallic Glasses. [Internet] [Doctoral dissertation]. University of Tennessee – Knoxville; 2015. [cited 2019 Jan 23]. Available from: https://trace.tennessee.edu/utk_graddiss/3370.

Council of Science Editors:

Tong Y. Structural Aspects of Deformation in Bulk Metallic Glasses. [Doctoral Dissertation]. University of Tennessee – Knoxville; 2015. Available from: https://trace.tennessee.edu/utk_graddiss/3370


Brno University of Technology

2. Kopecký, Martin. Hodnocení poruch zděných budov .

Degree: 2014, Brno University of Technology

Tato bakalářská práce se zabývá hodnocením poruch zděných budov. V teoretické části je popsáno rozdělení poruch podle různých kritérií. Nejdříve jsou uvedeny druhy trhlin, poté porušení na zděných stěnách a sloupech a na závěr soustavy trhlin na zděných objektech, včetně jejich příčin. Teoretická část je doplněna obrázky s příklady poruch. V praktické části je uveden dokumentační list poruchy, který je zpracován pro typickou poruchu způsobenou nerovnoměrným sedáním dvou odlišných částí stavby. Zájmovým objektem je kostel svatého Jakuba v Brně. V experimentální části je proveden popis poruchy na objektu „C“ Filozofické Fakulty Masarykovy univerzity v Brně. Experimentální část obsahuje měření deformací a fotografie poruchy.; This bachelor’s thesis deals with an evaluation of defects of masonry buildings. The theoretical part gives a sorting of defects of masonry buildings according to various criteria including types of cracks, defects of brick walls and columns and systems of cracks in masonry buildings with their causes. The pictures with examples of the defects are enclosed. The practical part gives the documentation of a typical failure. This documentation is about uneven subsiding of two different parts of the church of St. James in Brno. The experimental part describes the failure in building „C“ which is the part of the area of Masaryk university, Faculty of Arts. This experimental part is based on the measuring of the deformations. The results of the measuring and photos are included. Advisors/Committee Members: Cikrle, Petr (advisor).

Subjects/Keywords: porucha; trhlina; prohlídka; hodnocení; sedání; kostel svatého Jakuba v Brně; budova „C“ Filozofické fakulty Masarykovy univerzity v Brně; nivelace podlah; deformace; defect; crack; inspection; evaluation; subsiding of building; the church of St. James in Brno; building „C“ of Masaryk university; Faculty of Arts; levelling of floors; deformation

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Kopecký, M. (2014). Hodnocení poruch zděných budov . (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/34953

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Kopecký, Martin. “Hodnocení poruch zděných budov .” 2014. Thesis, Brno University of Technology. Accessed January 23, 2019. http://hdl.handle.net/11012/34953.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Kopecký, Martin. “Hodnocení poruch zděných budov .” 2014. Web. 23 Jan 2019.

Vancouver:

Kopecký M. Hodnocení poruch zděných budov . [Internet] [Thesis]. Brno University of Technology; 2014. [cited 2019 Jan 23]. Available from: http://hdl.handle.net/11012/34953.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Kopecký M. Hodnocení poruch zděných budov . [Thesis]. Brno University of Technology; 2014. Available from: http://hdl.handle.net/11012/34953

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

.