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鋁合金型材在汽車上的應用有什么優勢?

發布時間:2020-08-20 14:36:41      點擊次數:1766

 選用鋁合金有什么優勢?

(1)減重和節能效果明顯。鋁的力學性能好,其密度只有銅鐵的1/3,具有良好的導熱性,僅次于銅,機械加工性能比鐵高4.5倍,且其表面自然形成的氧化膜具有良好的耐腐蝕性,因此鋁成為實現汽車輕量化理想的材料。

(2)乘客的舒*性和安*性獲得提高。鋁合金汽車是在不降低汽車容量的情況下,減輕汽車自重,車身重*減低,汽車行駛更穩定。由于鋁型材的吸能性好,在碰撞安*性能方面有明顯的優勢,汽車前部的變形區在碰撞時會產生皺褶,可吸收大量的沖擊力,從而保護了后面駕駛員和乘客。

(3)鋁易于回收。鋁制品在使用過程中幾乎不發生腐蝕或僅發生輕微的腐蝕,在工業上使用的常規材料中,鋁的回收價值率是高的。在鋁型材-鋁制品-使用-回收再生鋁錠-再加工成鋁型材的循環過程中,鋁的損耗也僅百分5左右,其再生性能比任何一種常用金屬都高。


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