Transactions of Nanjing University of Aeronautics & Astronautics
Joining Force of Heterogeneous Titanium Alloy in Linear Friction Welding Process
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Abstract:
A dynamometer was designed and manufactured to measure the joining force in the linear friction welding process. The error percentages of the dynamometer in the upset (x) and vibration (y) directions were 0.9% and 0.75%, respectively. The cross-sensitivity range of the dynamometer was 1.2%—3.3% in the two directions. The precision level satisfies the requirements of the dynamometer test. The joining force of the TC17 and TC11 heterogeneous titanium alloys in the linear friction welding process was used to test the manufactured dynamometer. The test results showed that the upset force was large, but the vibration force showed a smaller change in TC11 during the linear friction welding process. In addition, the upset and vibration forces of the linear friction welding were greater with a short welding time than those with a long welding time.
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CHINA AERO-SCIENCES
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