Abstract

Fiber-reinforced metal laminate tube (FMLT) is a multi-layered ultra-hybrid material that cures at fixed pressure and temperature after alternating metal laminates and fiber composites. As with the production process similar to the second-generation GLARE fiber-reinforced metal layer, the management layer of the formed composite layer should have good impact resistance characteristics, and can also be used in the impact-resistant structure of the aircraft, the landing cushion structure of the aircraft, and the body collision Device to protect aviation materials.The composite pipe fittings are made by hydraulic forming technology, which lays a good foundation for the small-scale fine processing of the pipe. In addition, use speckle models and other virtual software simulation models (such as various related software and related formulas) to monitor data before and after hydroforming of fiber-reinforced metal layer tubes, it lays a good data foundation for the hydroforming of pipes and subsequent experiments.The development and performance testing of GLARE composite tube hydraulic forming technology is of great significance to the development of lightweight and safety in the aviation industry and the automobile industry.

Highlights

  • Due to its small density and corrosion resistance, aluminum alloy has always been the first choice to reduce the quality of the structure, especially in the aerospace industry, automotive and high-speed rail, and other transportation industry manufacturing industries

  • The successful application of Tube Hydroforming-THF technology in the automotive industry will greatly promote the rapid development of the technology in aerospace, weapon manufacturing, and civilian and other related industries [2]

  • In order to further reduce the weight of design, production, and target mix ratio, ratio and impact resistance, we have proposed the hydraulic expansion of hydraulically expanded metal fiber composite layer pipes to replace key absorbent parts and related traditional metal pipes

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Summary

Introduction

Due to its small density and corrosion resistance, aluminum alloy has always been the first choice to reduce the quality of the structure, especially in the aerospace industry, automotive and high-speed rail, and other transportation industry manufacturing industries. With the rapid development of the domestic aviation and aerospace industries and the rapid development of household automobiles, aluminum alloy pipe fittings have become more and more widely used in the above industries [1]. The successful application of Tube Hydroforming-THF technology in the automotive industry will greatly promote the rapid development of the technology in aerospace, weapon manufacturing, and civilian and other related industries [2]. For airplanes, rockets, missiles and engines, and other related manufacturing industries, the hollow thin-walled tube forming technology with complex cross-sections of new composite materials requires a compact layout and extremely urgent lightweight requirements.

Research background
Research objectives
Research content
Path optimization for thin-walled pipe FLD test
Speckle experiment and one-way stretching test
Hydraulic bloating test and FLD test of pipe
Tube blank-related experiments and their theoretical research
Conclusions
Full Text
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