Abstract
Titanium alloy, as a new type of material, has many advantages compared to ordinary metal materials: high specific strength, excellent toughness and fatigue resistance, excellent corrosion resistance, etc. Firstly, the wave equation of titanium alloy pumping rods was established. Then, the equivalent stiffness, equivalent bulk density, and equivalent elastic modulus of titanium alloy mixed pumping rods were derived, and the frequency coefficients of different rod column combinations were calculated. Finally, based on the above research, the steps for designing titanium alloy pumping rods using API recommendation method were summarized. Based on this, the design of titanium alloy pumping rods can be completed using API recommendation method through the above formulas and steps.
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