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Experimental Procedure for Warm Spinning of Cast Aluminum Components
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El endurecimiento por precipitación en la primera aleación de aluminio aeroespacial: el cárter del volante de Wright
Science (New York, N.Y.)
|November 11, 1994
Resumen
Los hermanos Wright, los hermanos Wright.
Área de la Ciencia:
- Ciencia de los materiales Ciencia de los materiales.
- Ingeniería Aeroespacial Ingeniería Aeroespacial.
- La metalurgia es la metalurgia.
Sus antecedentes:
- Las aleaciones de aluminio han sido cruciales en el sector aeroespacial desde principios del siglo XX.
- El motor del Wright Flyer utilizaba una aleación de aluminio y cobre, destacando su temprana adopción en la aviación.
Objetivo del estudio:
- Para analizar las características microestructurales de la aleación de aluminio utilizada en el motor del Wright Flyer.
- Para investigar los mecanismos de endurecimiento por precipitación presentes en esta aleación histórica.
- Para establecer la línea de tiempo del descubrimiento del endurecimiento por precipitación y su aplicación en el sector aeroespacial.
Principales métodos:
- Examen metalúrgico de la aleación de aluminio del Wright Flyer.
- Análisis de la distribución y el tamaño de la zona Guinier-Preston.
- Revisión histórica de los descubrimientos de endurecimiento por precipitación y aplicaciones aeroespaciales.
Principales resultados:
- La aleación de aluminio y cobre del Wright Flyer exhibe un endurecimiento bimodal por precipitación por las zonas de Guinier-Preston.
- Las zonas más grandes (10-22 nm) se originaron por fundición, mientras que las zonas más finas (3 nm) se formaron debido a 90 años de envejecimiento.
- El endurecimiento por precipitación en el Wright Flyer es anterior al descubrimiento de Wilm en 1909 y a la aplicación aeroespacial en 1910.
Conclusiones:
- Los hermanos Wright utilizaron el endurecimiento por precipitación avanzado en 1903, antes de lo que se pensaba.
- Este estudio revela que la aleación del motor del Wright Flyer incorporó prácticas metalúrgicas sofisticadas para su tiempo.
- Los hallazgos revisan la comprensión histórica del desarrollo temprano de aleaciones de aluminio y sus aplicaciones aeroespaciales.
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