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Results are presented from the modeling of different methods of controlling thickness fluctuations in superplastic pneumothermal forming. Recommendations are given on the use of each method and a part made of titanium alloy VT-20 is used as an example to show the thickness distribution over the part for each method.
A method is described for making a tee designed with a complex set of internal stiffening elements. The article describes the main stages of the modern process of pneumothermal forming in the superplastic regime with the use of diffusion welding. The production of a tee by superplastic pneumothermal forming after diffusion welding is modeled and the calculated results are presented.
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