Obtención y caracterización del sistema Fe Mn Al Cu
Resumen
En ese trabajo se reportan los resultados obtenidos por difracción de rayos X y microscopía electrónica de barrido, a lasaleaciones Fe60.2Mn37.6 .5Al3.2Cu0.24 % Wt. Los aleantes fueron sometidos a un proceso de aleamiento mecánico durante 6 y 12 horas de molienda en un molino de alta energía; la relación masa polvos masa bolas fue 1:15. Posteriormente las muestras fueron sometidas a una compactación uniaxial en caliente (T = 250°C) usando presiones de 400, 600 y 800 MPa y finalmente las muestras fueron sinterizadas a una temperatura aproximada de 1150°C. Se comprobó que la relación masa polvos masa bolas, la compactación en caliente y la sinterización fueron adecuadas para obtener baja porosidad y alto valor de microdureza.
In this work, it is reported the results obtained from X-ray diffraction and scanning electron microscopy, to the alloysFe60.2Mn37.6 .5Al3.2Cu0.24 % Wt. The alloys were processed mechanically during 6 to 12 hours of milling in a high energy mill, the relation mass – dust, mass – balls was 1:15. Then, the samples were compacted uniaxially in a hot atmosphere (T=250°C), using a pressure of 400, 600 and 800 MPa and finally the samples were sintered at 1150°C. By this work, it was demonstrated that the relation between mass – dust and mass – balls, hot compacting and sintering were suitable to obtain a low porosity and high microhardness value.
In this work, it is reported the results obtained from X-ray diffraction and scanning electron microscopy, to the alloysFe60.2Mn37.6 .5Al3.2Cu0.24 % Wt. The alloys were processed mechanically during 6 to 12 hours of milling in a high energy mill, the relation mass – dust, mass – balls was 1:15. Then, the samples were compacted uniaxially in a hot atmosphere (T=250°C), using a pressure of 400, 600 and 800 MPa and finally the samples were sintered at 1150°C. By this work, it was demonstrated that the relation between mass – dust and mass – balls, hot compacting and sintering were suitable to obtain a low porosity and high microhardness value.
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