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直讀光譜儀在鑄造鋁合金產業的廣泛應用

發布時間:2022-07-20瀏覽次數:43返回列表

鋁合金產業是一個蓬勃的產業,鋁因為它的低密度和通過鈍化而產生的抗腐蝕能力,被廣大用戶所關注,在鋁鑄造行業,直讀光譜儀一直以來都被廣泛的使用,通過檢測,分析鋁合金的材質。

  鋁的應用一般以鋁合金的形式存在,它能與許多材料按一定比例合成,不同的合金結構能產生不同的效果,所以,對于鋁合金,分析其材質成分是很有必要的。鋁能與許多材料形成合金,包括銅、鎂、錳、硅、錫和鋅。這些合金廣泛用于航空航天、運輸和建筑行業;飛機外殼、建筑立面和窗框。與鋼相比,使用鋁合金可以制造出硬輕的部件。
  鋁合金主要分為兩類:鑄造鋁合金和變形鋁合金。這些類別可進一步細分為可熱處理和不可熱處理類。變形鋁合金占鋁合金用途的大多數,約85%用于鍛造產品,如軋制板材、箔片和擠壓件。
  鑄造鋁合金由于其低熔點而能生產出成本效益高的產品,盡管此類合金的拉伸強度通常低于變形鋁合金。重要的鑄造鋁合金系統是鋁硅合金,其中高含量的硅(4.0~13%)使合金具有良好的鑄造特性。
  通過與空氣直接接觸,鋁合金表面可形成白色的Al2O3保護層。陽極氧化和/或涂漆是表面保護的常用方法。鋁合金在某些條件下易受電偶腐蝕的影響。當合金與允許離子交換的電解液中腐蝕電位較高的金屬電接觸時,會發生這種情況。
  正確熱處理鋁合金至關重要。否則會導致合金中的元素偏析,隨后合金會從內向外腐蝕。
  直讀光譜儀除了常規的檢測鋁合金中各元素的含量成分外,另外也可以直接檢測鋁合金中雜質含量。
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