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An investigation into the effect of pre-bending on the tube hydro-forging technology
THFG is an advanced technology to manufacture tubular components with complex cross-sections. Meanwhile, curved axis often exists in such components,...
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Identification of the Tensile Properties of Concrete in Pre-stressed Elements Subjected to 4-Point-Bending Test
Data collected from 4-point bending tests can be exploited to determine, albeit indirectly, the tension properties of pre-stressed (actually,...
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Study of Pre-strain Effect on Bendability in Three-Point Bending Test
The bendability of sheet metals can be estimated by the three-point bending test. Several factors and parameters such as pre-strain, can affect the...
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Theoretical and experimental study on strain distribution of curved beam in-plane force considering pre-bending
Curved beam structures have been widely used in mechanical and architectural structures and other fields because of their high strength-to-weight...
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Natural frequency and bending analysis of heterogeneous polar orthotropic-faced sandwich panels in the existence of in-plane pre-stress
In this paper, the effects of plane pre-stresses on the free vibration and static analyses of circular and annular sandwich panels are examined based...
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Crack Development in Normal Section of RC Elements Strengthened with Pre-stressed FRP Under External Load Action in Bending
Nowadays, fibre reinforced polymer (FRP) reinforcements are considered as appropriate strengthening solution for reinforced concrete (RC) structures...
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Study on deformation difference between the contact zone and the non-contact zone of the flexible 3D stretch bending profile and roller dies based on pre-stretching amount
Aiming at the flexible 3D stretch bending process (FSB) with multi-point die, the ABAQUS finite element software is used to simulate the bending...
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Effect of anisotropy on spring-back of pre-punched profiles in cold roll forming process: an experimental and numerical investigation
In this study, experimental and numerical approaches are used to investigate the effect of pre-punches on the spring-back of U-channels made of St12...
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Influence of extrusion 4D printing parameters on the thermal shape-morphing behaviors of polylactic acid (PLA)
A simple and inactive structure is able to transform into a complex and active one via four-dimensional (4D) printing. Controlling bending...
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Analytical springback assessment and compensation in 3D multi-point flexible stretch bending forming
Due to the discrete die of multi-point stretch bending, there are contact zone and non-contact zone on the profile, which makes the springback...
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Shear Tests of Reinforced Concrete Beams with the Influence of Initial Shear Cracks
Cracks in reinforced concrete (RC) structures can result in a reduced load-bearing capacity if they grow beyond the limits, thus understanding the...
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Research on the bending strategy for an innovative, ressource efficient stator design
Due to new requirements regarding the efficiency of electrical machines it is necessary to steadily improve machine concepts or create new ones....
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A novel shape memory alloy actuated soft gripper imitated hand behavior
The limited length shrinkage of shape memory alloy (SMA) wire seriously limits the motion range of SMA-based gripper. In this paper, a new soft...
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Effects of pre-temper conditions of base metal on microstructure and strength-ductility performance of AA7075 friction stir welding joints
This study explores the impact of different pre-temper conditions of the base metal (BM) on the microstructure and strength-ductility performance of...
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Coupling spring-induced resonance shift in PDNB system with PSH network
The dynamic vibration analysis of a perforated double-nanobeam (PDNB) system with a periodic square holes (PSH) network is researched in this paper....
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A Parametric Approach to the Morphological Structural Analysis of Thin Hyperbolic Paraboloid Shells
The undeniable fame achieved by thin concrete shells during the XX century is a well-known story. Their shapes represent the apex of the intersection...
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Investigation on variation characteristics of bent tube axis and determination of bending die motion trajectory in free bending process
In free bending process, the axis shape of bent tube is determined by motion trajectory of bending die. The bent tubes with different bending radii...
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Experimental Study on Autogenous Healing of Cracked SHCC Under Sustained Bending Loading
SHCCs have been widely reported for their distinct autogenous healing property of the multiple fine cracks because of fiber bridging effect and...
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Modelling of Bending Pre-compressed Beams Made of Resin L285
Composites, due to their functional properties, are becoming more and more popular in many industries. Appropriate strength parameters are obtained...
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Experimental determination of the strength of toughened glass in the area of near-edge holes
For tempered glass, edge distances for drilled holes in point-fixed glazing must be observed. For production reasons, the European product standard...
