Study of the Heat Treatment Profiles Applied to a Multifilamentary MgB2 Superconducting Wire - Silva, Lucas Barboza Sarno da; Souza, Rodrigo G. de; Ribeiro, Eleazar José; Pinto, Pérsio Mozart; Vianna, Alan A; Rodrigues Jr., Durval (IEEE Transactions on Applied Superconductivity, 2019)