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Experimental Study on Seismic Performance of Dovetail Profiled Steel Concrete Composite Shear Walls with Self-Tapping Screw Connections [PDF]

open access: yesMaterials
To achieve the assembled connection between dovetail profiled steel sheets and the boundary members in dovetail profiled steel concrete composite shear walls (DPSCWs), self-tapping screws were employed.
Zhenfeng Huang   +2 more
exaly   +4 more sources

Finite element analyses of female-thread forming process and loosening proof of self-tapping screw [PDF]

open access: yesNihon Kikai Gakkai ronbunshu, 2023
Tapping screw fabricates the female thread due to plastic deformation during screw rotation. Since the tapping screw skips the preliminary fabrication of female thread, it is widely used for the tightening in the fields of such as electric parts and car ...
Yujin TOMITA   +5 more
doaj   +2 more sources

Experimental and Numerical Study on Shear Properties of Timber-to-timber Joint Using a Dowel Reinforced with a Self-tapping Screw [PDF]

open access: yesBioResources, 2023
Herein, a beech wood dowel reinforced with a self-tapping screw (composite dowel in brief) is proposed. Composite dowels were welded into the predrilled holes by high speed rotation.
Jie Shen, Xudong Zhu, Jianbing Chen
doaj   +6 more sources

Drive-in torque for self-tapping screws into timber [PDF]

open access: yesProceedings of the Institution of Civil Engineers - Construction Materials, 2022
Self-tapping screws have been widely used in timber constructions. The current practice considers self-tapping screws perform best in connecting two members when they are fully threaded; however, the drive-in resistance caused by the friction between the wood and the screw can potentially damage the screw and reduce the effectiveness of its ...
Cong Zhang   +3 more
openaire   +5 more sources

Investigation on fracture behavior of unidirectional bamboo laminate with self-tapping screws reinforcement [PDF]

open access: yesCase Studies in Construction Materials, 2023
The bamboo structure has received more and more attention as a green, renewable construction with an increasing focus on environmental issues. Cracking at joints or openings and brittle fracture of bamboo are urgent problems in bamboo structures, leading
Yao Wu   +3 more
doaj   +2 more sources

INFLUENCE OF SELF-TAPPING SCREW ELECTRO-ARC MACHINING ON ITS TWISTING-IN IN SPECIMENS MADE OF VARIOUS MATERIALS AND TWISTING-OUT PROCEDURE [PDF]

open access: yesНаука и техника, 2015
The paper provides an experimental evaluation pertaining to the influence of steel self-tapping screw on its twisting-in specimens made of various materials and its twisting-out process.
M. G. Kiselev   +3 more
doaj   +2 more sources

The Effect of Variable-Pitch Headless Compression Screws and Cortical Screws on Interfragmentary Compression: An In Vitro Polyurethane Foam Block Model [PDF]

open access: yesAnimals
Articular fractures require precise anatomical reduction and rigid fixation to heal appropriately. In veterinary cases that involve fracturing of the lateral humeral condyle, cortical bone screws inserted in lag fashion with Kirschner wire are the ...
Brendan R. Castellino   +4 more
doaj   +2 more sources

Comparative evaluation of insertion torque and mechanical stability for self-tapping and self-drilling orthodontic miniscrews – an in vitro study [PDF]

open access: yesHead & Face Medicine, 2017
Background The aim of the present study was to evaluate the relationship between insertion torque and stability of miniscrews in terms of resistance against dislocation, then comparing a self-tapping screw with a self-drilling one.
Michele Tepedino   +2 more
doaj   +3 more sources

Cutting Flute and Thread Design on Self-Tapping Pedicle Screws Influence the Insertion Torque and Pullout Strength

open access: yesApplied Sciences, 2022
Self-tapping screws are commonly used in trauma and maxillofacial surgery and are increasingly used for pedicle screw insertions. In order to evaluate how the quantity and length of cutting flutes on self-tapping pedicle screws affect the insertion ...
Lien-Chen Wu   +4 more
doaj   +1 more source

Fixation of Sacroiliac Fraktur-Luxation Using Plate 2.0 with screw 2.0 mm cortical self-tapping and 2.7 mm cortical non self-tapping [PDF]

open access: yes, 2022
The Mixed Shih-Tzu dog, 3 years old and 4.3 kg body weight, had clinical signs of unable to stand, both rear limbs suffer from diplegic lameness so that they are only able to rely on both forelimbs.
., Rusli   +5 more
core   +2 more sources

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