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Dynamic fracture testing

Fig. 3.14 Schematic diagram of the experimental setup for the elevated-temperature dynamic fracture test.42... Fig. 3.14 Schematic diagram of the experimental setup for the elevated-temperature dynamic fracture test.42...
G. R. Irwin, Basic Concepts for Dynamic Fracture Testing, ASME Journal of Basic Engineering, 91[3], 519-524 (1969). [Pg.118]

L. R. Deobald and A. S. Kobayashi A Bar Impact Tester for Dynamic Fracture Testing of Ceramics and Ceramic Composites, Experimental Mechanics, 32, 109-116 (1992). [Pg.119]

Anderson, M.S. Fredrickson, S.E. "Dynamic Etching Tests Aid Fracture Acidizing Treatment Design," SPE/DOE paper 16452, 1987 SPE/DOE Low Permeability Reservoirs Sumposium, Denver. [Pg.667]

Beguelin P, Kausch H-H (1995)Techniques for high speed testing. In Williams JG, Pavan A (eds) Impact and dynamic fracture of polymers and composites. Mechanical Engineering Publications, London... [Pg.116]

Zehnder, A.T. and Rosakis, A.J. (1990). Dynamic Fracture Initiation and Propagation in 4340 Steel under Impact Loading, International Journal of Fracture, 43, pp. 271-285. Kalthoff, J.F., Beinert, J. and Winkler, S. (1977). Measurements of Dynamic Stress Intensity Factors for Fast Running and Arresting Cracks in Double-Cantilever-Beam Specimens. n Fast Fracture and Crack Arrest, ASTMSTP 627, pp. 161-176, Hahn, G.T. and Kanninen, M.F. (Eds.). American Society for Testing and Materials. [Pg.185]

However, in high rate fracture testing, several problems are encountered due to dynamic effects (inertia effects, wave propagation, etc.) which may completely overshadow the true mechanical response of the material to be characterized [4, 5]. While, the control of dynamic effects for... [Pg.187]

Fracture testing at high loading rates presents special problems because of the presence of dynamic effects the inertial forces caused by the acceleration imparted to the specimen produce vibrations in the test system, oscillations in the recorded signal and forces on the test... [Pg.390]

Instrumented Charpy impact tests on unnotched samples are conducted to determine the energy absorbing capability and dynamic fracture behaviour of the C/SiC composites. The dynamic fracture toughness (ak) is calculated using the following equation ... [Pg.177]

Dynamic tests were conducted on bend specimens using an instrumented drop-weight test machine. The specimens were prepared and the results evaluated, as recommended in ASTM E399 for static bend specimens. The Ko (dynamic fracture toughness) values were calculated from the maximum load on the instrumented drop weight tup. A soft steel half-round pad was used between the specimen and the tup, so that load rise times were 1 to 2 msec and inertial effects were not significant. [Pg.554]

Kc = non-plane-strain fracture toughness based on maximum load Kd = dynamic fracture toughness Kic = plane strain fracture toughness Pc = critical load in fracture toughness test S = bend specimen span Vc = critical clip gauge opening displacement W = specimen width Y = specimen calibration function... [Pg.559]

Figure 58. Fracture surface after dynamic fracture toughness test. Figure 58. Fracture surface after dynamic fracture toughness test.
Dynamic Fracture Mechanism of Thin Metallized Plastics via the Blister Test... [Pg.355]

The volume is divided into three parts Part I. Metallization Techniques and Properties of Metal Deposits, Part II, Investigation of Interfacial Interactions," and Part III, "Plastic Surface Modification and Adhesion Aspects of Metallized Plastics. The topics covered include various metallization techniques for a variety of plastic substrates various properties of metal deposits metal diffusion during metallization of high-temperature polymers investigation of metal/polymer inlerfacial interactions using a variety of techniques, viz., ESCA, SIMS, HREELS, UV photoemission theoretical studies of metal/polymer interfaces computer simulation of dielectric relaxation at metal/insulalor interfaces surface modification of plastics by a host of techniques including wet chemical, plasma, ion bombardment and its influence on adhesion adhesion aspects of metallized plastics including the use of blister test to study dynamic fracture mechanism of thin metallized plastics. [Pg.378]


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