Characterization of interfacial mechanical properties using wedge indentation method 2

... middle of th wedge im m he mpression), and the FE ESEM plane view (Fig.4.4(a)) sho only e ows a central cra at this lo ack oad Fig F 4.3: Cr ross-section views o 120 ° wedge indenta nal of ations ... oad Fig F 4.3: Cr ross-section views o 120 ° wedge indenta nal of ations on th MSQ/Si system he i using FIB: ( no interf u (a) facial crack; (b) – (d) in nterfacial cr rack propag g...

Ngày tải lên: 11/09/2015, 09:56

... 11 1 4.4.5 Work of Indentation and Fracture Energy 11 2 4.5 Conclusion Reference Chapter 5: Comparison of the Finite Element Simulation and Experiments of Wedge Indentation Test 11 8 12 0 12 3 5 .1 ... Mater Res., 12 , p .19 00 -19 10, (19 97) 11 M.D Drory and J.W Hutchinson, Science, 263, p .17 53 -17 55, (19 94) 12 M.D Drory and J.W Hutchinson, Proc R Soc London, Ser A,...

Ngày tải lên: 11/09/2015, 09:56

... characterize the interfacial adhesion properties (e.g interfacial energy and interfacial strength), the interfacial cracking pattern is of particular interest The wedge and the conical indentation methods ... the interfacial crack front was found to be parallel to the length axis of the wedge indentation impression on the 200 nm BD film, and a curved interfacial crac...

Ngày tải lên: 11/09/2015, 09:56

... Curvature of interfaci crack front determ ial fr mined for t BD film with the ms thickness t anging from 100 to 100 m 00nm [2] 90 Chapter C Fig F 4. 16: FESEM plan ne-view ima ages of the wedge inden ... tionship bet tween the cu urvature of crack front and the f t film thickne As can be seen i Fig.4. 16( for a B film ≤ 100 nm th f ess n in (a), BD hick, the interfacial c i crack fr...

Ngày tải lên: 11/09/2015, 09:56

... 2.69 8. 88 ± 0.99 6. 18 ± 0.94 30.60 ± 13.93 t2A 54.21 ± 12.54 52.50 ± 6. 78 12.59 ± 2.17 t2B 40.26 ± 13.53 53. 18 ± 18. 59 6.15 ± 1 .87 t2C 84 .15 ± 65.05 78. 01 ± 72.34 8. 48 ± 4.22 S2A 6.57 ± 1 .82 7.93 ... (nm) Indentation induced stress, (MPa) Critical buckling stress, c (MPa) Interfacial toughness, Γi (J/m2) 1.44 26.0 401.10 88 62. 58 0.049 1.31 24.4 388 .24 107 08. 84 0.0...

Ngày tải lên: 11/09/2015, 09:56

... References 187 VII Summary The feasibility and efficiency of characterizing the mechanical properties of viscoelastic and visco- elastic- plastic materials and their thin films by using nanoindentation techniques ... with the elastic and plastic properties, the visco- elastic and visco- elastic- plastic properties are more difficult to charact...

Ngày tải lên: 12/09/2015, 09:59

... Consensus space obtained using Generalised Procrustes Analysis over the sensory consumer profile of dry-cured ham (the letters represent the dry-cured ham samples) The size of each descriptor is ... the consumer sensory description of dry-cured ham depends on the geographical region where the consumer lives Trained assessors and consumers describe sensory attributes...

Ngày tải lên: 03/04/2013, 21:07

... presence of CtaB and CtaA, con- Fig Gel electrophoresis of purified Paracoccus denitrificans Surf1 mutant proteins Coomassie Brilliant Blue-stained 12% SDS ⁄ polyacrylamide gel of Surf1 mutant proteins ... binding in Surf1 Fig Heme analysis of Surf1c W200F and Surf1q W209F Pyridine hemochromogen redox spectra of 20 lM Surf1 mutant proteins (A) and HPLC analysis of...

Ngày tải lên: 06/03/2014, 00:21

... homogenisation: Part II of this paper is devoted to the calculation of the macroscopic properties and the determination of the microscopic stress fields that result from the macroscopic configuration microscopic ... shrinkage in the latewood part of softwood to be understood, and even predicted Indeed, due to the heterogeneity, some parts of the REV that have hi...

Ngày tải lên: 08/08/2014, 01:21

... properties of Cu- Sn intermetallic compounds Density Functional Theory (DFT) calculations are performed with the intermetallic compounds Cu3 Sn and Cu6 Sn5 to obtain the elastic properties of these ... performed to obtain the mechanical properties of Cu6 Sn5 and Cu3 Sn with computational methods 1.4 OUTLINE OF THE THESIS Calculations to predic...

Ngày tải lên: 11/09/2015, 14:34

... Literature Review 2.1 Mechanical Characterization of Resin-based Dental Materials 2.1.1 Introduction 2.1.2 Dental composite restoratives and their characterization 2.1.3 Clinical relevance of material ... the mechanical characterization of resin-based dental composite restoratives Micro- indentation can be arbitrarily defined as an indent which has diagonal length...

Ngày tải lên: 12/09/2015, 09:10

... characterizing InP based MEMS structures and analysing its properties The major properties widely realized are the mechanical and the optical properties Mechanical characterization include beam ... were fabricated Micro-cantilevers are one of the fundamental test specimens Cantilevers based on InP, AlGaAs and GaAs material systems are the popular ones The chara...

Ngày tải lên: 26/09/2015, 10:13

... simulations of mechanical properties of nanocrystalline copper on the basis of two reasons Firstly, there are lots of experimental data available on the mechanical deformation of nanocrystalline copper ... levels (a) the atomic configuration at 0% strain; (b) the atomic configuration at 4.4% strain; (c) the relative displacement of the atomic motion...

Ngày tải lên: 30/09/2015, 14:23

... structural features of mycobacterial putative esterases /lipases and distinguishing lipolytic and non-lipolytic enzymes at the structural level itself In vitro biochemical characterization of Mycobacterial ... the whole ligand binding pocket and also allow for rotation and translation of ligands The schematics of computational docking are shown in fig.2.2 36 Figure...

Ngày tải lên: 02/10/2015, 17:15