Transactions of Nanjing University of Aeronautics & Astronautics
Recent Advances in Hole Making of FRP/Metal Stacks:--A Review
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Abstract:
Weight reduction is a key driving force for materials development in aerospace industry, which leads to extensive usage of lightweight structural materials such as fiber reinforced polymer (FRP), titanium alloy, aluminum alloy, etc. Hole making is indispensable to assembling these lightweight components by riveted or bolted joints. However, hole making of FRP/metal stacks is always the most challenging task due to differences of material properties between FRP and metals. A comprehensive literature review on hole making of FRP/metal stacks in the last decade is given with a focus on four main aspects including drilling operation, drilling damages and machining parameter optimization, tool performance and wear, and developments in hole making technology. Finally, in order to ensure the precise and efficient hole making of FRP/metal stacks, an idea of low frequency vibration assisted drilling (LFVAD) FRP/metal stacks based on material removal characteristics is put forward by fully exploiting the unique advantages of LFVAD technology.
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The work was supported by the National Natural Science Foundation of China (No. 51875284).
Clc Number:
TG356.23
CHINA AERO-SCIENCES
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