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The single-layer spherical reticulated shell is the structure which is sensitive to imperfections. The initial imperfections reducing structural stability included initial curvature and residual stress of element and installation deviation of nodes. The stress-strain curve concerning the residual stress was got by model CRC, the influence of initial curvature was got by the half-sinusoid and the programs...
The single-layer spherical reticulated shell is the structure which is sensitive to imperfections. The initial imperfections reducing structural stability included initial curvature and residual stress of element and installation deviation of nodes. The stress-strain curve concerning the residual stress was got by model CRC, the influence of initial curvature was got by the half-sinusoid and the programs...
The kinetics of ferrite transformation in a Fe–0.2C–2Mn (mass%) alloy after deformation in undercooled austenite region were studied with regard to alloying element-partitioned and partitionless growth. According to the local equilibrium theory of diffusion-controlled growth, partitioned growth controlled by slow Mn diffusion occurs at a low undercooling, whereas partitionless growth at a larger undercooling...
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