Zobrazeno 1 - 10
of 202
pro vyhledávání: '"Fracture (geology)"'
Publikováno v:
Key Engineering Materials. 827:228-233
The Brazilian disc test with central notch is widely used to evaluate mixed mode I/II fracture resistance of brittle materials such as rocks and concrete. An analytical evaluation is used based on the maximum tangential stress (MTS) criterion and the
Autor:
Jiří Němeček, Jan Maňák
Publikováno v:
Key Engineering Materials. 784:3-8
The paper shows results of microscale experimental tests performed on cement paste specimens fabricated by focused ion beam milling. The specimens are prepared in the form of cantilever beams and loaded in bending by nanoindenter. The dimensions of s
Autor:
Ondřej Holčapek
Publikováno v:
Key Engineering Materials. 760:102-107
This article deals with the experimental investigation of residual mechanical properties of refractory composite after the action of various thermal loading. Specimens with dimension 40 × 40 × 160 mm were produced from composite containing basalt f
Autor:
Rainer Falkenberg
Publikováno v:
Key Engineering Materials. 754:153-156
The fracture mechanics assessment of materials exposed to harmful environments requires the understanding of the interaction between the soluted species and the affected mechanical behaviour. With the introduction of a mass transport mechanism the en
Publikováno v:
Key Engineering Materials. 741:13-18
The paper is focused on the analysis of the role of lamellar microstructure in fracture performance of model TiAl intermetallic compound. Coarse lamellar colonies and, at the same time, fine lamellar morphology were prepared by compressive deformatio
Autor:
O. A. Lukashuk, V. I. Mironov
Publikováno v:
Key Engineering Materials. 735:89-94
The issue of material and construction fracture is one of unresolved problems in mechanics. The phenomenological approach used by mechanics of softening materials is taken by the authors for the purposes of solving that problem. Deformation of the
Publikováno v:
Key Engineering Materials. 730:489-495
Surface cracks have long been recognized as a major cause for potential failures of metal pipes. In fracture analysis, the widely used method is based on linear elastic fracture mechanics. However, for ductile metal pipes, it has been known that the
Publikováno v:
Key Engineering Materials. 719:87-91
This study observes the behaviors of selective laser melted (SLM) Ti-6Al-4V cylindrical samples when compressed along different directions. The effects of defect and microstructures upon compression behaviors are discussed. The disc-shape defects for
Publikováno v:
Key Engineering Materials. 713:159-162
Thin compact tension specimens made of direct quenched ultra-high strength steel were tested under constant rate uniaxial tensile load. The length of the crack was monitored using optical microscopes on both sides of the specimens during the fatigue
Publikováno v:
Key Engineering Materials. 713:66-69
This paper focuses on the application of miniaturized fracture tests to evaluate the fracture and hydrogen assisted cracking (HAC) resistance of a selected microstructural constituent (acicular ferrite, AF) which only occurs in microscopic material v