1. THE EFFECTS OF NON-CONTACT ACOUSTIC VIBRATIONS ON THE SOLIDIFICATION AND MICROSTRUCTURE OF DUCTILE AND GRAY CAST IRON Open Access Author: Grenko, Timothy Michael Title: THE EFFECTS OF NON-CONTACT ACOUSTIC VIBRATIONS ON THE SOLIDIFICATION AND MICROSTRUCTURE OF DUCTILE AND GRAY CAST IRON Graduate Program: Industrial Engineering Keywords: vibrationultrasonic treatmentcast ironsolidification File: Download Timothy_Grenko_Thesis_eTD.pdf Committee Members: Robert Carl Voigt, Thesis Advisor/Co-Advisor