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研究了高强耐热铝台金2A70-4T6棒材的化学成分、挤压工艺、热处理工艺对其组织性能的影响。通过大量的对比试验,确定了最佳的化学成分范围、合理的挤压工艺和热处理工艺制度。研制出多批量大规格2A70-4T6铝合金棒材,满足了用户的需要。
The effects of chemical composition, extrusion and heat treatment on the microstructure and properties of 2A70-4T6 high strength and heat resistant aluminum alloy were studied. Through a large number of comparative tests, to determine the best chemical composition range, reasonable extrusion process and heat treatment process system. Developed a large batch of large quantities 2A70-4T6 aluminum alloy bar to meet the needs of users.