نتایج جستجو برای: forming limit stress diagram flsd
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Rock formations and structures can be subjected to both static and dynamic loadings. Static loadings resulting from different sources such as gravity and tectonic forces and dynamic forces are intermittently transmitted via vibrations of the earth’s crust, through major earthquakes, rock bursts, rock blasting and drilling and also, traffic. Reaction of rocks to cyclic and repetitive stresses re...
The purpose of this investigation is to examine the viability of using the sheet metal for forming applications. Forming limit diagram (FLD) composed of negative and positive minor strain with respect to major strain which occurs at directional zero strain with the critical thickness of sheet metal. The negative minor strain region of FLD is predicted by localized necking. However there is no d...
The forming limit diagram (FLD) is a widely used tool to assess the formability of metal sheet [1]. current study aims investigate influence strain rate, material anisotropy and hardening on FLD Ti-6Al-4V predicted by well-known Marciniak-Kuczynski (M-K) method. tensile data quasi-static (8 10 -5 s -1 ), intermediate (0.5 ) dynamic experiments (approximately 1000 are available at three differen...
The self-assembly of sphere-forming triblock copolymers confined between two thin homogeneous surfaces is investigated based on mean-field dynamic density functional theory. The morphologies deviating from the bulk sphere-forming phase are revealed, including cylinders oriented perpendicular to the surface, cylinders oriented parallel to the surface, perforated lamellae and lamellae by varying ...
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