在難熔金屬中,鉬(mu)有(you)良好的(de)導(dao)熱、導(dao)電(dian)(dian)(dian)(dian)性(xing)和低(di)的(de)膨脹系數,在高(gao)(gao)溫下(xia)(1100~1650℃)有(you)高(gao)(gao)的(de)強度,與鎢(wu)相比,容易加工(gong)(gong),因而(er)在高(gao)(gao)溫爐、電(dian)(dian)(dian)(dian)子管(guan)、電(dian)(dian)(dian)(dian)光源、金屬加工(gong)(gong)工(gong)(gong)具(ju)制造(zao)部(bu)門應用。鉬(mu)能(neng)耐熔融玻(bo)璃的(de)浸蝕,它的(de)氧(yang)化(hua)物不(bu)會污染玻(bo)璃。鉬(mu)材一直(zhi)用于玻(bo)璃工(gong)(gong)業作加熱電(dian)(dian)(dian)(dian)極以及太陽能(neng)電(dian)(dian)(dian)(dian)池和平面顯示器鍍層用的(de)濺射鈀材。
特點:
1、易加工。
2、強度高。鉬(mu)及鉬(mu)合金(jin)的強度高。
3、導(dao)電(dian)導(dao)熱(re)性好(hao)。鉬的導(dao)電(dian)導(dao)熱(re)性能僅(jin)次(ci)于銀(yin)、銅和金。
4、耐(nai)蝕性好。鉬(mu)的(de)表面(mian)易(yi)自然生產一層致密牢固的(de)保護(hu)膜,能很好的(de)保護(hu)基體(ti)不受腐蝕。