EXPERIMENTAL STUDY ON FLEXURAL BEHAVIOR OF STAINLESS STEEL-ALUMINUM ALLOY BOLT-BALL JOINT SYSTEM

WANG Xingzhong; LI Feng; ZHU Ruijie

doi:10.13204/j.gyjz202005020

Volume 50 Issue 5

Jul. 2020

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WANG Xingzhong, LI Feng, ZHU Ruijie. EXPERIMENTAL STUDY ON FLEXURAL BEHAVIOR OF STAINLESS STEEL-ALUMINUM ALLOY BOLT-BALL JOINT SYSTEM[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(5): 121-125,170. doi: 10.13204/j.gyjz202005020

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EXPERIMENTAL STUDY ON FLEXURAL BEHAVIOR OF STAINLESS STEEL-ALUMINUM ALLOY BOLT-BALL JOINT SYSTEM

doi: 10.13204/j.gyjz202005020

College of field Engineering, Army Engineering University of PLA, Nanjing 210007, China

Received Date: 2019-12-17
Publish Date: 2020-07-14

Abstract

Abstract

In order to realize the corrosion resistance of composite-aluminum space truss structure, the aluminum-alloy bolt-ball joint system is used. Considering that the high-strength bolts are the key points of joints, this paper adopt high-strength stainless steel-aluminum alloy as the materials of high-strength bolts, and study the flexural behavior of FRP-aluminum-alloy bolt-ball joint. According to the material of bolts and bearing area of sleeves, the joints are divided into four sections. Through the experimental, it studied the flexural bearing characteristics and failure mode under different parameters, got the moment-rotation curves, initial bending stiffness and ultimate tensile strength and so on. In the end, based on the existing classification system for the joints, it predicated that the aluminum-alloy bolt-ball joint can be used in the composite-aluminum space truss structure.
- bolt-ball joint,
- 7075-T6 aluminum-alloy,
- S51740 high strength stainless steel,
- flexural behavior

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