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鄭州鈑金加工中經(jīng)常用到的銅質(zhì)材料有哪些呢?

發(fā)布日期:2019-04-08 16:47:20 作者:admin 點(diǎn)擊:1285


  1. 鎂合金

  特點(diǎn):*輕的金屬結材材料;比強度高,耐疲勞,抗沖擊,流動(dòng)性好,防靜電性能好;耐蝕差,易氧化燒損。

  2. 銅及銅合金

  特點(diǎn):導電、導熱、耐蝕性好,光澤度好,塑性加工容易,易于電鍍、涂裝。

  3. 鋁及鋁合金

  特點(diǎn):較輕的金屬結材材料;良好的耐蝕性,導電性及導熱性;相同重量情形下,Al導電性比Cu高2倍,但純鋁強度及硬度比較低。

  用途:鋁質(zhì)光澤及質(zhì)軟,可以制成不同顏色和質(zhì)地的功能性和裝蝕性材料。

  銅鋅合金,機械性能同含鋅量有關(guān);一般鋅量不超過(guò)50%。

  特點(diǎn):延展性,沖壓性好,運用于電鍍,對海水及大氣腐蝕有好的抗力。但本體容易發(fā)生局部腐蝕。

  銅錫合金為主的一類(lèi)銅基合金金屬統稱(chēng)。

  特點(diǎn):比純銅及黃銅有更好的耐磨性:加工性好,耐腐蝕。

  含鈹(Be)的銅合金;

  特點(diǎn):高的強度、硬度、彈性、耐磨性;高的導電性、導熱性、耐寒性;無(wú)鐵磁性。 用途:電磁屏蔽材料較多;

  純銅也稱(chēng)作紅銅呈淺玫瑰色或淡赤色,外表構成氧化銅膜后,外觀(guān)呈紫赤色。

  黃銅-----銅鋅合金。色彩隨含鋅量的添加而由黃赤色變到談黃色。黃銅力學(xué)功能比純銅高,在通常狀況下不生銹也不會(huì )被腐蝕;塑性較好,被廣泛用于機械制作業(yè)中制作各種布局零件。

  青銅-----銅錫合金 ( 除了鋅鎳外,加人其他元素的臺金均稱(chēng)青銅 ) 。具有杰出的耐磨性、力學(xué)功能、鑄造功能和耐蝕性。合金中錫的含量通常不超越 l0 %,過(guò)高則下降其塑性。除錫以外,錫青銅中通常富含少數的鋅、鉛、磷、鎳等元素。鋅能提凹凸錫青銅的力學(xué)性哉和流動(dòng)性。鉛能改進(jìn)青銅的耐磨功能和可切削加工性,但卻下降其力學(xué)功能。鎳能進(jìn)步青銅的耐性、硬度、耐磨性和流動(dòng)性。

  白銅-----銅鎳合金。分為布局銅鎳合金和電工銅鎳合金。布局銅鎳合金力學(xué)功能高,耐蝕性較好。電工銅鎳合金通常具有格外的熱電功能,在電工技能中有著(zhù)廣泛的使用。工業(yè)上有名的錳銅、康銅、考銅即是不一樣含錳量的錳白銅,它們是制作精細電工丈量?jì)x器、變阻器、熱電偶、電熱器等不行短少的電工材料。


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