Continuation of “Use of a supersonic fluidic oscillator to generate pressure pulses in a single chamber superplastic forming process”

Supersonic fluidic oscillators are known to provide pressure pulsations which improve the metal superplastic blow forming manufacturing process. The symmetrical nature of a previously developed oscillator design, however, restricts their application to cases where two identical parts are formed simultaneously. Pressure fluctuation amplitudes are not sufficient when used for single part forming. This research aims to complete the research work of a Mitacs Elevate Fellowship in which a new, non-symmetrical supersonic fluidic oscillator was used to solve this problem. That work resulted in not only the development of an approximate model describing the performance of the non-symmetric oscillator but it’s interface with the metal forming software ANSYS LS-DYNA to generate a Hybrid Model which simulates the entire superplastic metal forming process. The Hybrid model can predict such measures of performance as forming time and wall thickness. Time limitations prevented the final validation of this model with experimental data obtained on a test part and tool in an industrial environment. That validation is the subject of the current application.

Faculty Supervisor:

Gary Rankin;Daniel Green

Student:

Partner:

AEM Power Systems Inc

Discipline:

Engineering

Sector:

Professional, scientific and technical services

University:

University of Windsor

Program: