By A. M. Khludnev, V. A. Kovtunenko
This e-book takes a clean examine the crack challenge and demonstrates new equipment of learning the matter, in addition to proposes new versions for cracks in elastic and nonelastic our bodies fulfilling bodily appropriate nonpenetration stipulations among crack faces. The authors think about - and third-dimensional our bodies, plates and shells with cracks, identify houses of ideas, and research a number of constitutive legislation: elastic, viscoelastic, elastoplastic
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Casks The principle of the dry cask concept is based on the contairunent of the fuel assemblies in casks suitable for both transport and storage. The main characteristics of the CASTORQI! cask design are (Figure 3): The cask body is made of ductile cast iron (DCI) to guarantee gamma shielding, leak tightness and protection against mechanical and thermal loads under both normal operational and hypothetical accident and test conditions . The monolithic cask body is cast in one piece and has no welds.
S") and/or lowered hammer drop rate (1 ms" , by low blow method) was applied. Load - displacement traces were recorded, and the maximum force, Fm, fracture force, F,... and general yield force, Fgy , respectively were read from the records. For one selected temperature in lower shelf region (at general yield temperature, tgy, - see later) a range of bend tests was performed to obtain data for statistical analyses. 52 Fracture toughness was determined using three test specimen geometries. 1) and, at the same time, comparable ligament area under the crack tip.
Material of blooms in the fourth group has higher manganese content, but no further microalloying additions. Fourth group contains newly made representatives of the material, which had been formerly evaluated as sample No. II, which - as the only one - possessed bainitic matrix. 2%) causes strong low-temperature notch-toughness decrease. The results of chemical composition analysis are shown in the table IV. The temperature cooling cycle was measured during the casting of blooms no. 1 and IA by means of thermocouples placed on selected points.
Analysis of cracks in solids by A. M. Khludnev, V. A. Kovtunenko