fatigue damage and fracture in smart materials

... upper link, containing an intact fuse pin, (2) the diagonal brace with the forward fuse pin intact but the aft fuse pin missing, (3) the inboard mid-spar pylon and wing fittings with the fuse pin ... the right wing in an outboard and rearward direction The #3 engine hit the #4 engine, causing this engine and its pylon also to separate from the wing Both engines and pylons fell into a lake ... FATIGUE AND FRACTURE IN AN AIRCRAFT ENGINE PYLON by R.J.H Wanhill and A Oldersma This paper has been prepared in the format required for the International Conference "Engineering Against Fatigue" ,...

Ngày tải lên: 08/08/2014, 13:20

... trademarks, and are used only for identification and explanation without intent to infringe Library of Congress Cataloging -in- Publication Data Roque-Malherbe, Rolando M.A Adsorption and diffusion in nanoporous ... other hand, diffusion controls the molecular transport of gases in porous media and also brings morphological information, in the case of amorphous materials, and structural information, in the ... crystalline and ordered materials Crystalline, ordered, and amorphous microporous and mesoporous materials, such as microporous and mesoporous molecular sieves, amorphous silica and alumina, active...

Ngày tải lên: 04/06/2014, 15:13

... outside of demyelinated lesions Our finding of changes in cytokine expression following NG2 ablation may also be important in understanding changes in demyelination and remyelination in the NG2 null ... signaling by b1 integrins [50] and promotion of signaling by receptors for the growth factors PDGF and FGF [27,51] In vitro studies also indicate that NG2-dependent signaling by b1 integrins and ... free-floating in 0.1 M PBS containing 0.02% sodium azide For immunostaining, free-floating sections were first incubated for 60 at room temperature in 0.1 M PBS containing 5% normal goat serum and...

Ngày tải lên: 19/06/2014, 22:20

... dimensionless constant, and n is the strain hardening exponent Hutchinson, Rice and Rosengren showed that in order to maintain the path independence of J, stress and strain must vary as / r near ... raises the demand for natural resources, especially petroleum Rapid increase in fuel demand promotes the subsea exploration and installation of drilling rigs and pipelines [as shown in Fig 1.1(a)] ... loadings, which can induce fatigue cracks in metallic components Furthermore, the existence of fatigue cracks and imperfection in materials can lead to the fracture failure of the components and...

Ngày tải lên: 09/09/2015, 10:19

... Fuzzy Logic in Fiber, Yarn, and Fabric Engineering Anindya Ghosh Chapter Application of Artificial Neural Network and Empirical Modeling in Yarn and Woven Engineering Ashvani Goyal and Harinder Pal ... Modeling Abhijit Majumdar 29 Chapter Introduction to Fuzzy Logic and Recent Developments Yordan Kyosev 47 Chapter Application of CFD in Yarn Engineering in Reducing Hairiness during Winding Process ... FEA and Empirical Modeling in Predicting Fabric Drape Ajit Kumar Pattanayak and Ameersing Luximon 133 Applications of ANN and Statistical Modeling in Predicting Nonwoven Properties Ting Chen and...

Ngày tải lên: 17/02/2016, 14:49

... those in the smart materials domain Ultimately, our use of these materials will put us into the heady role of manipulating the principles of physics 12 Materials in architecture and design Smart Materials ... 1970s (NASA) Materials in architecture and design Smart Materials and New Technologies influenced many architects and engineers into pursuing the ‘super facade’ as evidenced by the burgeoning use ... to investigate and apply them A more sweeping definition comes from the Encyclopedia of Chemical Materials in architecture and design Smart Materials and New Technologies Technology: smart materials...

Ngày tải lên: 13/02/2014, 23:20

... and the Board on Manufacturing and Engineering Design combined to form the National Materials and Manufacturing Board The move underscored the importance of materials science to innovations in ... (NMAB) and the Board on Manuacturing and Engineering Design combined to form the National Materials and Manufacturing Board The move underscored the importance of materials science to innovations in ... macroscopic, including a discussion of state-of-the-art modeling and simulation tools (Chapter 4) • The state of the art in experimental methods, including defining the length and timescales of interest,...

Ngày tải lên: 05/03/2014, 12:20

... those in the smart materials domain Ultimately, our use of these materials will put us into the heady role of manipulating the principles of physics 12 Materials in architecture and design Smart Materials ... 1970s (NASA) Materials in architecture and design Smart Materials and New Technologies influenced many architects and engineers into pursuing the ‘super facade’ as evidenced by the burgeoning use ... to investigate and apply them A more sweeping definition comes from the Encyclopedia of Chemical Materials in architecture and design Smart Materials and New Technologies Technology: smart materials...

Ngày tải lên: 05/03/2014, 17:20

... Catilina The branding campaign worked Marcus Cicero was elected consul in a landslide in 64 B.C Is Personal Branding for You? Are you afraid of the idea of self-branding? Many think self-branding ... personal story and career destiny Yet personal branding is not taught in school and has become the most neglected aspect of education Thinking like a brand means creating a brand for yourself and to ... three-step branding process: Brand Strategy: Finding Your Self-Brand Idea (chapters 1–4) Creative Development: “Packaging” Brand You (chapters 5–9) Marketing Brand You: Building Visibility and Connection...

Ngày tải lên: 15/03/2014, 23:28

... Function, Materials, and Techniques in the Archaic and Classical Periods Edited by Olga Palagia Frontmatter More information GREEK SCULPTURE egh FUNCTION, MATERIALS, AND TECHNIQUES IN THE ARCHAIC AND ... Oxford and a Fellow of the British Academy He has specialized in the study of Greeks and Greek culture overseas, burial customs, and in ancient gems and finger rings He has written several handbooks ... Function, Materials, and Techniques in the Archaic and Classical Periods Edited by Olga Palagia Frontmatter More information vi efh Contents VIII Greek and Roman White Marbles: Geology and Determination...

Ngày tải lên: 23/03/2014, 11:21

... 337-71 Andreasen, F M & Andreasen, J O Luxation injuries of permanent teeth; General Findings In: Andreasen, J O.; Andreasen, F M & Andersson, L (editors) Textbook and Color Atlas of Traumatic Injuries ... these fractures require multidisciplinary knowledge and approach for a correct case planning and prognosis However, our intention in this case was to perform a conservative and minimally invasive ... healing during 1-2 years after the injury According to Andreasen et al., during the initial stages of pulp healing, hard dental and pulp tissues of traumatized permanent teeth can stimulate an inflammatory...

Ngày tải lên: 23/03/2014, 13:20

... accelerating the initial selection of materials, combinatorial and high-throughput materials research methods show great promise in developing needed materials property data as inputs to modeling and ... changes with the insertion of new materials in new designs In the case of America’s Cup yacht,9 new mast materials and designs were incorporated into ship handling and meteorology models in order to ... improving survivability and mobility The evaluation and prioritization of competing objectives, and, ultimately, how decisions are made, are increasingly complex In general, the chain of command and...

Ngày tải lên: 28/03/2014, 11:20

... quasibrittle materials in fracture mechanics perspective Since then, a number of fracture models have been introduced and used to predict and investigate fracture behaviour of concrete-like materials In ... fracture in plain concrete and fibre reinforced concrete and is organised into nine chapters and three appendices Each chapter starts with an introduction and ends with a summary The introduction ... the analysis of various fracture modes in a plain concrete beam under four point bending with several notches and examines the interacting crack itineraries by identifying the various equilibrium...

Ngày tải lên: 26/05/2014, 17:57

... NANOSCALE STUDIES ON METAL-ORGANIC INTERFACES N Chandrasekhar (n-chandra@imre.a-star.edu.sg) Institute of Materials Research and Engineering, Research Link, Singapore 117602 Abstract We report ... al., 2002; Galperin and Nitzan, 2003; Peccia and Di Carlo, 2004) 37 K Scharnberg and S Kruchinin (eds.), Electron Correlation in New Materials and Nanosystems, 37–57 c 2007 Springer 38 E.G PETROV ... Yalta, Ukraine from 19-23 September 2005 The lively discussion sessions in the evenings, unfortunately, could not be included in the proceedings but in some sense they were continued during a rigorous...

Ngày tải lên: 04/06/2014, 14:23

... and frequency of use Information on reason for taking a medication was obtained primarily by general inquiry and recorded by clinical investigators using participant's or investigator's terminology ... to be taking non-steroid antiinflammatory drugs, NSAIDs, (when aspirin was excluded) and anti-allergy drugs and cold/sinus (mostly anti-histamines), and less likely to be taking aspirin In addition, ... relievers (includes all NSAIDs and narcotics) -NSAIDs (aspirin included) -NSAIDs (aspirin excluded) -Acetaminophen-containing -Narcotic pain relievers -Aspirin containing 74 (65.5) 53 (46.9) 45 (39.8)...

Ngày tải lên: 18/06/2014, 19:20

... collection and collation, data analysis, writing and editing of the manuscript CM was involved in the conception and design of the study, as well as data analysis and writing and editing of the ... depression in persons with MS [29] Fatigue was assessed using the Modified Fatigue Impact Scale (MFIS) and provides an indication of fatigue experienced by an individual in three domains; physical, ... Scale Competing interests The authors declare that they have no competing interests Authors' contributions NS was involved in all aspects of this study She was involved in the concept and design,...

Ngày tải lên: 18/06/2014, 19:20

... a long time; the technical interest of this hard and stable compound has been realized in 1885 and 1892 by Cowless and Acheson for grinding and cutting purpose, leading to its manufacture on a ... indicators of a-SiC with varying χ The number of four-fold coordinated C and Si atoms declines with increasing χ especially for the case of Si atom, which is in accordance with the argument in ... Loading and unloading curves from h = 4.1 Å (red) for 3C-SiC (c) Loading and unloading curves from h = 1.06 Å (blue) and h = 3.27 Å (red) for the χ = 0.008 assembly (d) Loading and unloading curves...

Ngày tải lên: 19/06/2014, 11:20

... with single 6-rings in ABC sequence with single 4-rings or 6-2 rings (b) ATO with single 4- or 6-rings (c) AFI with single 4- or 6-rings (d) VFI with single 6-rings (e) ATV with single 4-rings ... doping while elements at the left side induce a n-like doping Moreover, one can takes advantage to the wide band opening in expanded-volume phases Inspecting the table reveals a direct gap in ... valence bands, thus reducing the p-band width 4.5 Silicon carbon: topology As mentioned above, chemical ordering is the driving force and expanded volume phases as candidates need odd parity in rings...

Ngày tải lên: 19/06/2014, 11:20

... annealing at 800ºC a narrowing of this line, at 900ºC a sharp narrowing of the line Si(111) and the appearance of Si(220) and Si(311) lines of polycrystalline Si phase, as well as two weak lines ... sizes (a) of Si and SiC crystallites in the (111) plane and (b) the integrated intensities of the Si(111) and SiC(111) lines after implantation of carbon ions in silicon and annealing − Si (for ... 2010) Photoluminescence spectrum from the front surface of the nanocrystalline film 70 Silicon Carbide – Materials, Processing and Applications in Electronic Devices containing cubic 3C and rhombohedral...

Ngày tải lên: 19/06/2014, 11:20

... impossibility of finding materials capable of removing the excessive heat generated in running their equipments and, at the same time, maintaining their dimensional stability in environments often ... crystallites in the layer is taken place almost simultaneously, which suggests intense movement of C and Si atoms and the increase in the number of dangling bonds The increase in area in the range ... formation and breaking of bonds and clusters in the implanted layer Intensive growth of area in the range 1100−1300°C caused by the decay of stable optically inactive clusters (Table 5) and an increase...

Ngày tải lên: 19/06/2014, 11:20