Melhorando A Força E A Resistência Ao Desgaste Da Liga De Alumínio 7075

Melhorando A Força E A Resistência Ao Desgaste Da Liga De Alumínio 7075

Dr. K. Dharma Reddy / T. LAKSHMANNA

65,61 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
ISBN:
9786209568107
65,61 €
IVA incluido
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Sobre IBD

Este estudo explora as propriedades mecânicas da liga de alumínio 7075 (Al7075) reforçada com pó metálico de cobre (0-2% em peso), concebida para aplicações em engrenagens na indústria automóvel. Os materiais compósitos foram fabricados utilizando fundição a alto vácuo, garantindo uma distribuição uniforme das partículas de reforço. O comportamento ao desgaste foi avaliado em condições lubrificadas utilizando um testador de desgaste com várias amostras. A incorporação de pó de cobre melhorou significativamente as principais propriedades mecânicas, com o aumento da resistência à flexão de 329 MPa para 499 MPa, a melhoria da resistência à tração de 232 MPa para 396 MPa e o aumento da resistência ao impacto de 20 kJ/m² para 69 kJ/m².

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