銅包鋁(lv)(lv)和(he)銅包鋁(lv)(lv)鎂雖只差一個字，但其特性(xing)但是決然不同的(de)，銅包鋁(lv)(lv)是包的(de)純鋁(lv)(lv)，銅包鋁(lv)(lv)鎂是包的(de)是鎂鋁(lv)(lv)合金，銅包鋁(lv)(lv)電(dian)(dian)阻小，耗電(dian)(dian)量少(shao)發燙(tang)少(shao)，銅包鋁(lv)(lv)鎂抗壓強度高，耐腐蝕。
銅(tong)(tong)(tong)包(bao)(bao)鋁(lv)(lv)(lv)(lv)(lv)和銅(tong)(tong)(tong)包(bao)(bao)鋁(lv)(lv)(lv)(lv)(lv)鎂(mei)的(de)(de)首要區別取決于(yu)銅(tong)(tong)(tong)線的(de)(de)材料(liao)，一個(ge)是(shi)電(dian)焊工鋁(lv)(lv)(lv)(lv)(lv)一個(ge)是(shi)鎂(mei)鋁(lv)(lv)(lv)(lv)(lv)合金，電(dian)鍍工藝(yi)銅(tong)(tong)(tong)包(bao)(bao)鋁(lv)(lv)(lv)(lv)(lv)和包(bao)(bao)覆銅(tong)(tong)(tong)包(bao)(bao)鋁(lv)(lv)(lv)(lv)(lv)有(you)(you)實質不(bu)(bu)(bu)一樣(yang)(yang)，電(dian)鍍工藝(yi)銅(tong)(tong)(tong)包(bao)(bao)鋁(lv)(lv)(lv)(lv)(lv)因為表面(mian)的(de)(de)銅(tong)(tong)(tong)層(ceng)是(shi)沉淀在(zai)絲(si)表面(mian)，銅(tong)(tong)(tong)層(ceng)自身沒有(you)(you)抗(kang)壓強度，因而在(zai)拉(la)制(zhi)細絲(si)時(shi)(shi)，假如銅(tong)(tong)(tong)層(ceng)掉下(xia)來，絲(si)也不(bu)(bu)(bu)會破裂可以(yi)再(zai)次拉(la)制(zhi)，但(dan)包(bao)(bao)覆銅(tong)(tong)(tong)包(bao)(bao)鋁(lv)(lv)(lv)(lv)(lv)則不(bu)(bu)(bu)一樣(yang)(yang)，包(bao)(bao)覆銅(tong)(tong)(tong)包(bao)(bao)鋁(lv)(lv)(lv)(lv)(lv)的(de)(de)銅(tong)(tong)(tong)層(ceng)要遠比芯(xin)部的(de)(de)鋁(lv)(lv)(lv)(lv)(lv)抗(kang)壓強度高(gao)許多(duo)，拉(la)制(zhi)細絲(si)時(shi)(shi)，一旦銅(tong)(tong)(tong)層(ceng)有(you)(you)缺陷則馬上斷(duan)絲(si)，那樣(yang)(yang)就(jiu)不(bu)(bu)(bu)可能(neng)有(you)(you)漏鋁(lv)(lv)(lv)(lv)(lv)的(de)(de)次絲(si)滲入(ru)制(zhi)成品。
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