1、介紹
材料(liao)名稱:QBe2 鈹(pi)青銅
標準:(GB/T 5231-2001)
特性(xing)及適用范圍:
為含有(you)(you)(you)少量鎳的(de)鈹(pi)青銅(tong),是力學(xue).物理(li)(li).化學(xue)終合性(xing)(xing)(xing)(xing)能良好的(de)一種合金(jin)。經(jing)淬火調質后,具(ju)有(you)(you)(you)高(gao)(gao)(gao)的(de)強度(du)(du).硬度(du)(du).彈(dan)性(xing)(xing)(xing)(xing).耐(nai)(nai)(nai)磨(mo)性(xing)(xing)(xing)(xing).疲(pi)勞極限和(he)耐(nai)(nai)(nai)熱(re)(re)性(xing)(xing)(xing)(xing);同(tong)時還具(ju)有(you)(you)(you)高(gao)(gao)(gao)的(de)導電(dian)性(xing)(xing)(xing)(xing).導熱(re)(re)性(xing)(xing)(xing)(xing)和(he)耐(nai)(nai)(nai)寒性(xing)(xing)(xing)(xing),無磁(ci)性(xing)(xing)(xing)(xing),碰擊時無火花(hua),易(yi)于焊(han)接和(he)纖焊(han),在大氣.淡水(shui)和(he)海(hai)水(shui)中抗蝕(shi)性(xing)(xing)(xing)(xing)極好。QBe2鈹(pi)銅(tong)產品(pin)特性(xing)(xing)(xing)(xing):高(gao)(gao)(gao)性(xing)(xing)(xing)(xing)能銅(tong)合金(jin),經(jing)固溶(rong)及時效(xiao)(xiao)硬化處理(li)(li),具(ju)有(you)(you)(you)高(gao)(gao)(gao)硬度(du)(du),高(gao)(gao)(gao)耐(nai)(nai)(nai)磨(mo)性(xing)(xing)(xing)(xing),高(gao)(gao)(gao)抗爆(bao)性(xing)(xing)(xing)(xing),高(gao)(gao)(gao)屈服極限與疲(pi)勞極限,耐(nai)(nai)(nai)腐(fu)性(xing)(xing)(xing)(xing)能佳(jia),高(gao)(gao)(gao)導電(dian)率(lv)及優異(yi)的(de)散(san)熱(re)(re)性(xing)(xing)(xing)(xing)能。易(yi)于加工(gong),冷卻(que)效(xiao)(xiao)果優異(yi)。鈹(pi)銅(tong)應(ying)(ying)用領域:應(ying)(ying)用于高(gao)(gao)(gao)精密電(dian)子,塑(su)膠和(he)光學(xue)模具(ju)不能通水(shui)處作壤件散(san)熱(re)(re)、模芯、沖頭(tou)、熱(re)(re)流(liu)道冷卻(que)系統、通訊制(zhi)備(bei)器(qi)材,電(dian)子電(dian)器(qi)設備(bei),儀(yi)(yi)器(qi)儀(yi)(yi)表,航空航天,汽車(che)制(zhi)造等及加工(gong)零件之原材。
2、化學成(cheng)分(fen)
QBe2化學成分:
鋁(lv)(Al)≤0.15
硅(gui)(Si)≤0.15
鉛(Pb)≤0.005
銅(Cu)余量
鐵(Fe)≤0.15
鈹(Be)1.8~2.1
鎳(nie)(Ni)0.2~0.4
雜質總各%≤0.5
3、技術參數
鈹(pi)銅技術參數:
密度:8.3g/cm3
硬(ying) 度(du):36-46HRC
電導(dao)率:23%IACS
熱導率:160W(m.k)20
攝氏度 軟化溫度>600攝氏度
延伸率(lv):1%