Artículo
Influence of Processing Conditions on the Mechanical Properties of 17-4PH Specimens Produced by Additive Manufacturing
Autor/es | Ariza Galván, Enrique
Montealegre-Meléndez, Isabel Pérez-Soriano, Eva María Neubauer, Erich Kitzmantel, Michael Arévalo Mora, Cristina María |
Departamento | Universidad de Sevilla. Departamento de Ingeniería y Ciencia de los Materiales y del Transporte |
Fecha de publicación | 2022-11 |
Fecha de depósito | 2023-03-02 |
Publicado en |
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Resumen | The purpose of this research is to study the influence of the processing conditions that affect
the final behaviour of specimens made from a 17-4PH composition powder without the necessary
thermal treatment to be considered ... The purpose of this research is to study the influence of the processing conditions that affect the final behaviour of specimens made from a 17-4PH composition powder without the necessary thermal treatment to be considered 17-4PH, which is manufactured using the additive technique known as plasma metal deposition (PMD). To that end, two walls manufactured from the prealloyed powder were built under two distinct atmospheric conditions, i.e., air and argon, with previously optimized manufacturing parameters. The additional effect of two applied thermal treatments (TT) was studied by means of property and microstructural analyses of the extracted specimens from each consolidated wall. The two thermal treatments consisted of a heating rate of 10 ◦C/min to 482 ◦C (TT1) and 620 ◦C (TT2), with the temperatures for 1 and 4 h, respectively; the cooling rate was 5 ◦C/min for both treatments. According to the findings, the presence of an argon atmosphere during manufacturing promoted the presence of an austenite phase, reducing the deformation of the samples and enhancing their Young’s modulus. The TT1 treatment positively contributed, improving the mechanical properties in general, and TT2 substantially improved the elongation in both sets of specimens. |
Agencias financiadoras | Unión Europea. Horizonte 2020 |
Identificador del proyecto | 768612 |
Cita | Ariza Galván, E., Montealegre-Meléndez, I., Pérez-Soriano, E.M., Neubauer, E., Kitzmantel, M. y Arévalo Mora, C.M. (2022). Influence of Processing Conditions on the Mechanical Properties of 17-4PH Specimens Produced by Additive Manufacturing. Machines, 10 (11), 976. https://doi.org/10.3390/machines10110976. |
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