Alexandra Araujo Alicke LAOS Rheological Characterization of an Elasto-Viscoplastic Material Disserta¸ c˜ ao de Mestrado Thesis presented to the Programa de P´ os-gradua¸ c˜ ao em Enge- nharia Mecˆ anica of the Departamento de Engenharia Mecˆ anica, PUC–Rio, as partial fulfillment of the requirements for the degree of Mestre em Engenharia Mecˆ anica. Advisor: Prof. Paulo Roberto de Souza Mendes Rio de Janeiro October 2013