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7 Jul 2004: Figure 1 showsa schematic of the indentation test set-ups. Cyclic indentation tests were also performed in load control at a test frequency of 20Hz and at a loadratio R 5 ... The maximum and minimum values of the load and the displacement, and the number

7 Jul 2004: Fig. 3. Sketch of the loading rig for the biaxial and hydrostatictension tests. ... A comparison between the “Arcan”and double-lap shear stress versus strain curves forthe H100 foam shows that while the shear strengthsfrom both tests are in

7 Jul 2004: The details are the same as forthe K-decreasing tests, but withc=0. ... Fig. 3. Comparison of da/dN from K-increasing,K-decreasing andK-constant tests. Tests were performed atR=0.1 on compact tensionspecimens of Alulight foam, of composition

7 Jul 2004: loading platens. To overcome this, subsequent com-. pression tests were conducted using the dogbone. ... 4; the in-. itial modulus is the same as in the tensile tests.

9 Dec 2004: 318. 319. 320. 321. 322. 323. 324. 325. RREC2.1.2. Test procedureDirect compression tests were carried out using theCelanese compression rig. ... uniaxial test specimens. The overall geometry of these. plates is shown in Fig.

7 Jul 2004: A similarresponse has been observed previously [13] in deepnotch compression tests on the Alporas foam. ... TTAlcan 65T 89L 95. Alporas 84L, T and TT. 6. Fracture toughness tests.

7 Jul 2004: 7a). The maximum load and the stiffness measured in each test aresummarized on Table 3. ... the imperfection causes a marked reduction in the stiffness.Images taken during the test (Fig.

7 Jul 2004: fatigue tests: at the end of the fatigue test, when the. ... The specimen was then re-loaded and. the test was resumed. In the fatigue tests theunloading modulus was calculated from the changein axial strain upon reducing the applied stress.

7 Jul 2004: 3] for mono-tonic shear: fatigue tests were performed at 20 Hz on. ... 7.Repeat tests confirmed that the scatter in stress–strainresponse was negligible for face sheets of any giventhickness.

21 Sep 2004: delamination fracture tests, especially those featuring high-. resolution measurements of crack displacements and. ... to seat the specimen halves in the loading jig. 3.2. Shear tests.

7 Jul 2004: Such results for one test at smax = 0.85 MPa (Fig.6) reveal four key characteristics.1. ... of stage II cycles (at N]NT).The results for one such test with smax = 0.92 MPa arepresented on Fig.

8 Nov 2004: 8 5 1. 4. Measurement protocol. Compression tests were performed in the out-of-plane, 3-direction, of the woven core sandwich plates, as sketchedA screw-driven test machine was used ... core. The applied load was measured using thecell of the test machine

7 Jul 2004: Compressive tests were. Table. 1.Dim. ensionsofspecim. ensforeach. typeoftest,alongwiththeloadandshapefactors. fortheshapee. ciency. mapgiven. ... Independent uniaxial tests on the glass/epoxybraids show that they behave in an elasticplastic.

7 Jul 2004: inter-connected. 2. TEST METHOD. A high pressure triaxial system was used for com-. ... In each of the tests conducted. in the present study, it was ensured that the test.

7 Jul 2004: Cunningham [15] and Banhart [16].Preliminary tests (for data see Ref. [17]) have. ... The magnitude of back. face strain in these fracture tests conrm that the.

7 Jul 2004: Tests at thestrain rates in the range 103}100 s1 were performed using a servo-hydraulic test machine, whiletests at strain rates in the range 1000}5000 s1 were performed using ... Tests at e5 "103}100 s1 were performedusing a servo-hydraulic test machine,

7 Jul 2004: Its originality lies in two main points: firstly,. we use original test conditions. ... tests (e.g. test no. 1 for dry sugar at _ea 0:16%/s).In order to overcome this difficulty and accurately.

6 Oct 2004: test performed. Scissor tear tests maintain a sharp crack tip and give a low toughnessvalue of 2.5 kJ m2 for human skin. ... Consequently, the toughnessvalues from trouser-tear tests are used to compare the penetration experiments withthe model

7 Jul 2004: independent shear testdata (from a double lap shear test, with foam of thickness 20mm). ... A.3) that the yield surface can beestimated by simply measuring in a uniaxial test.

1 Jul 2004: These predictions are compared to exmental results obtained from triaxial tests on an aggregate of s. ... de-af-. ansti-. is. computed by means oftrue triaxial tests, wherein the three prin-cipal stresses depicted in Fig.

7 Jul 2004: The 6-noded triangle with one-point reduced integration fails both the single element test and the patch test (it passes both tests for plane strain defor- mation). ... and Zdunek, A. B. (1989) A theoretical study of the Brine1 hardness test.

13 Aug 2004: Tests are performed using 304 stainlesssteel. The outline of the paper is as follows. ... A few tests were performed with speci-mens comprising 12 12 cells to examine edge effects.

27 Aug 2004: 3. A. screw-driven mechanical test machine was used as the actuator: the two nodes of the. ... load cell of the test machine while the displacement of the two loading nodes was.

25 Mar 2004: et al., 1999) and using multi-axial test data (Huber an2001; Landis, 2002). ... Fig. 9. Modelled responses to a proportional loading test with uniaxial stress and electric field for (a) PZT-5H, (b) PZT-4D and (c)Titanate.

7 Jul 2004: Soutis et al. use coupon tests to measure both the unnotched strength and the compressive ‘tough- ness’ of the laminate. ... Compression tests on a small specimen of 924C Ciba-Geigy epoxy matrix show a non-linear elastic behaviour for strains of less

7 Jul 2004: stress amplitude at a fatiguelife of 107 cycles in a fully reversed fatigue test. ... Advis. Commun.Aeromaut. Rep., 1954, No. 1, 170. 15. Buessem, W., The ring test and its application to ther-mal shock problem.

7 Jul 2004: a53S1/2np1np D1/2 (6)Consequently, instead of probing the shape of the initial yield surface and its sub-sequent evolution from complicated multi-axial tests, it appears from Eq. ... 6) thatthe yield surface can be estimated by simply measuringnp in a

7 Jul 2004: Models of thistype reproduce reasonably accurately the uniaxial material response, when calibratedagainst test data. ... For the tests on the. 802 J.E. Huber, N.A. Fleck / J.

7 Jul 2004: the core. Tests on these structures are in progress to affirm the stiffness and strength, to ascertain thebending resistance of welded truss joints, and to establish limits on the realizable deformations

7 Jul 2004: The salient experimental details of these measurements are as follows.Sathiamoorthy used a Celanese test-rig to measure the compressive strength of a 24-ply unidirectionalcomposite, comprising Toray T800 carbon bres ... The specimens were loaded in a

30 Mar 2004: of the core does not necessarily induce shear stress. They performed triaxial tests. ... W. (1997). Constrained buckling tests show. increasing compressive strain to failure with increasing strain gradient.

7 Jul 2004: PERGAMON. Journal of the Mechanics and Physics of Solids36 "0888# 674Ð704. 9911Ð4985:88:,! see front matter Þ 0888 Elsevier Science Ltd[ All rights reservedPII] S 9 9 1 1 Ð 4 9 8 5 " 8 7 # 9 9 9 6 5 Ð 2. The viscoplastic compaction of

7 Jul 2004: Akisanya et al. [7] have measured the sensitivity of the yield surfaceshape to the deformation path by conducting triaxial tests on copper powder.