Listar por autor UPNA "La Roca, Paulo Matías"
Mostrando ítems 1-9 de 9
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Alternative thermal cycling treatment to produce abnormal grain growth in feMnAlNi alloys: study of composition variations and effects on the relative phase stabilities
La Roca, Paulo Matías
; Guerrero, L.M.; Baruj, A.; Vallejos, J. M.; Sade, M. (Springer, 2021)
Artículo / Artikulua 
An alternative method to obtain abnormal grain growth in Fe–Mn–Al–Ni system is presented. A crucible is used to control the cooling speed of the samples from 1200 °C enabling the nucleation of the equilibrium fcc phase. ... -
Designing a wider superelastic window
La Roca, Paulo Matías; Sade, M. (American Association for the Advancement of Science, 2020)
Artículo / Artikulua
Adding chromium to an iron alloy enables shape recovery over a wide temperature range -
Effect of high-energy ball-milling on the magnetostructural properties of a Ni45Co5Mn35Sn15 alloy
López García, José Luis 
; Sánchez-Alarcos Gómez, Vicente ; Recarte Callado, Vicente ; Rodríguez Velamazán, José Alberto; Unzueta, Iraultza; García, José Ángel; Plazaola, Fernando; La Roca, Paulo Matías ; Pérez de Landazábal Berganzo, José Ignacio (Elsevier, 2021)
Artículo / Artikulua
The effect of high-energy ball-milling on the magnetostructural properties of a Ni45Co5Mn35Sn15 alloy in austenitic phase at room temperature has been analyzed by neutron and high-resolution X-ray diffraction. The ball ... -
Magnetically activated 3D printable polylactic acid/polycaprolactone/magnetite composites for magnetic induction heating generation
Galarreta Rodríguez, Itziar; López Ortega, Alberto ; Garayo Urabayen, Eneko ; Beato López, Juan Jesús ; La Roca, Paulo Matías ; Sánchez-Alarcos Gómez, Vicente ; Recarte Callado, Vicente ; Gómez Polo, Cristina ; Pérez de Landazábal Berganzo, José Ignacio (Springer, 2023)
Artículo / Artikulua
Additive manufacturing technology has attracted the attention of industrial and technological sectors due to the versatility of the design and the easy manufacture of structural and functional elements based on composite ... -
Martensitic transformation controlled by electromagnetic field: from experimental evidence to wireless actuator applications
Garayo Urabayen, Eneko ; La Roca, Paulo Matías ; Gómez Polo, Cristina ; Sánchez-Alarcos Gómez, Vicente ; Recarte Callado, Vicente ; Pérez de Landazábal Berganzo, José Ignacio (Elsevier, 2022)
Artículo / Artikulua
Mechanical actuators based on shape memory alloys (SMA) are becoming a key component in the development of novel soft robotic applications and surgically implantable devices. Their working principle relies in the temperature ... -
Monitoring structural transformations in metamagnetic shape memory alloys by non-contact GMI technology
Beato López, Juan Jesús ; La Roca, Paulo Matías ; Algueta-Miguel, Jose M. ; Garayo Urabayen, Eneko ; Sánchez-Alarcos Gómez, Vicente ; Recarte Callado, Vicente ; Gómez Polo, Cristina ; Pérez de Landazábal Berganzo, José Ignacio (IOP Publishing, 2023)
Artículo / Artikulua
Different applications based on metamagnetic shape memory alloy (MSMA) require monitoring the evolution of the martensitic transformation (MT) to optimize the actuation mechanism. To avoid interaction with the active ... -
Room temperature huge magnetocaloric properties in low hysteresis ordered Cu-doped Ni-Mn-In-Co alloys
La Roca, Paulo Matías; López García, Javier ; Sánchez-Alarcos Gómez, Vicente ; Recarte Callado, Vicente ; Rodríguez-Velamazán, José Alberto; Pérez de Landazábal Berganzo, José Ignacio (Elsevier, 2022)
Artículo / Artikulua
The reduction of the thermal hysteresis in first order magnetostructural transition is a determining factor to decrease energy losses and to improve the efficiency of magnetocaloric cooling based systems. In this work, a ... -
A short review on the effect of Cr on the fcc-hcp phase transition in Fe-Mn-based alloys
Guerrero, L.M.; La Roca, Paulo Matías; Malamud, M.F.; Baruj, A.; Sade, M. (Springer, 2020)
Artículo / Artikulua
The effect of Cr on the fcc–hcp martensitic transformation in the Fe–Mn–Cr system has been discussed considering different aspects: (a) the relative phase stabilities, (b) the magnetic order of the fcc phase, (c) ... -
Strategies to increase austenite FCC relative phase stability in high-Mn steels
Guerrero, L.M.; La Roca, Paulo Matías; Malamud, M.F.; Butera, A.; Baruj, A.; Sade, M. (Elsevier, 2021)
Artículo / Artikulua
Several strategies to increase the FCC austenite stability compared to BCC and HCP martensites have been tested and are discussed. The relative stability of the different phases was analyzed by studying the effects of: a) ...
