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C1100純銅

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C1100

C1100紫(zi)銅(tong)用途比純(chun)鐵廣泛得多,每年有50%的(de)銅(tong)被電解提純(chun)為,用于(yu)電氣工業。

簡介

因其(qi)顏色(se)為(wei)紫紅色(se)而得名。各種性質見銅。就是(shi)工業純銅,其(qi)熔點為(wei)1083℃,無同素異構轉變,相對(dui)密度為(wei)8.9,為(wei)鎂的(de)五倍。比普通鋼還重約15%。其(qi)具有(you)玫(mei)瑰紅色(se),表面形成氧(yang)化膜后呈紫色(se),故一(yi)般稱為(wei)紫銅。它(ta)是(shi)含(han)有(you)一(yi)定氧(yang)的(de)銅,因而又稱含(han)氧(yang)銅。

適(shi)用范圍


紫銅有(you)良好的導電(dian)、導熱、耐蝕和(he)加工性(xing)能,可以焊接和(he)釬焊。含(han)降低(di)導電(dian)、導熱性(xing)雜質較少,微量的氧(yang)對導電(dian)、導熱和(he)加工等性(xing)能影響不大,但易(yi)引(yin)起"氫病",不宜在高溫(如>370℃)還原性(xing)氣氛(fen)中加工(退火、焊接等)和(he)使用。

這里(li)所(suo)說的(de)(de),確(que)實要(yao)非(fei)常純(chun)(chun),含銅(tong)(tong)(tong)(tong)(tong)達(da)99.95%以上(shang)(shang)才行(xing)。極(ji)少(shao)量(liang)的(de)(de)雜(za)質,特別是磷、砷、鋁(lv)等,會(hui)(hui)大(da)大(da)降(jiang)低銅(tong)(tong)(tong)(tong)(tong)的(de)(de)導電(dian)率(lv)。銅(tong)(tong)(tong)(tong)(tong)中含氧(yang)(煉銅(tong)(tong)(tong)(tong)(tong)時容(rong)易混入(ru)少(shao)量(liang)氧(yang))對導電(dian)率(lv)影響很(hen)大(da),用(yong)(yong)于電(dian)氣工業的(de)(de)銅(tong)(tong)(tong)(tong)(tong)一(yi)般都必須是。另外,鉛、銻、等雜(za)質會(hui)(hui)使銅(tong)(tong)(tong)(tong)(tong)的(de)(de)結(jie)晶不能結(jie)合在一(yi)起(qi),造成熱脆,也會(hui)(hui)影響純(chun)(chun)銅(tong)(tong)(tong)(tong)(tong)的(de)(de)加工。這種純(chun)(chun)度(du)很(hen)高的(de)(de)純(chun)(chun)銅(tong)(tong)(tong)(tong)(tong),一(yi)般用(yong)(yong)電(dian)解(jie)法精制:把不純(chun)(chun)銅(tong)(tong)(tong)(tong)(tong)(即粗銅(tong)(tong)(tong)(tong)(tong))作陽極(ji),純(chun)(chun)銅(tong)(tong)(tong)(tong)(tong)作陰極(ji),以硫(liu)酸(suan)銅(tong)(tong)(tong)(tong)(tong)溶液為電(dian)解(jie)液。當電(dian)流通過后(hou),陽極(ji)上(shang)(shang)不純(chun)(chun)的(de)(de)銅(tong)(tong)(tong)(tong)(tong)逐漸熔解(jie),純(chun)(chun)銅(tong)(tong)(tong)(tong)(tong)便逐漸沉淀(dian)在陰極(ji)上(shang)(shang)。這樣精制而得的(de)(de)銅(tong)(tong)(tong)(tong)(tong);純(chun)(chun)度(du)可(ke)達(da)99.99%。

化學成份

圖片關鍵詞

銅+銀Cu+Ag:≥99.90

錫Sn:≤0.002

鋅Zn:≤0.005

鉛Pb:≤0.005

鉛Pb:≤0.005

鎳Ni:≤0.005

鐵Fe:≤0.005

銻Sb:≤0.002

硫S:≤0.005

砷As:≤0.002

鉍Bi:≤0.001

氧O:≤0.06

注:≤0.1(雜質)

力學性能


抗拉(la)強度σb (MPa):≥275

伸長率(lv)δ10 (%):≥5

伸長率(lv)δ5 (%):≥10

注(zhu):棒材的縱向室溫(wen)拉伸力學性能

試(shi)樣尺(chi)寸:直徑(jing)或對邊距離(li)5~40


標(biao)簽: 純銅