碳(tan)(tan)纤(xian)(xian)(xian)维(wei)(wei)的(de)(de)(de)化学(xue)性质与(yu)碳(tan)(tan)相识,它(ta)除能被强氧(yang)(yang)化剂氧(yang)(yang)化外(wai),对一般碱性是惰性的(de)(de)(de)。在(zai)(zai)空气中(zhong)温(wen)度(du)高于400℃时则(ze)出现明(ming)显(xian)的(de)(de)(de)氧(yang)(yang)化,生(sheng)(sheng)成CO与(yu)CO2。[6-7] 碳(tan)(tan)纤(xian)(xian)(xian)维(wei)(wei)对一般的(de)(de)(de)有(you)(you)机溶(rong)剂、酸(suan)、碱都(dou)具有(you)(you)良好的(de)(de)(de)耐(nai)腐蚀性,不(bu)(bu)溶(rong)不(bu)(bu)胀,耐(nai)蚀性出类拔萃,完全不(bu)(bu)存在(zai)(zai)生(sheng)(sheng)锈的(de)(de)(de)问题。[11] 有(you)(you)学(xue)者在(zai)(zai)1981年(nian)将(jiang)PAN基碳(tan)(tan)纤(xian)(xian)(xian)维(wei)(wei)浸泡在(zai)(zai)强碱氢氧(yang)(yang)化钠(na)溶(rong)液(ye)中(zhong),时间已过去30多年(nian),它(ta)仍保(bao)持(chi)纤(xian)(xian)(xian)维(wei)(wei)形(xing)态。但其耐(nai)冲击性较差,容易损伤,在(zai)(zai)强酸(suan)作用(yong)下发生(sheng)(sheng)氧(yang)(yang)化,碳(tan)(tan)纤(xian)(xian)(xian)维(wei)(wei)的(de)(de)(de)电(dian)动(dong)势(shi)为正(zheng)值(zhi)(zhi),而铝合金的(de)(de)(de)电(dian)动(dong)势(shi)为负值(zhi)(zhi)。当碳(tan)(tan)纤(xian)(xian)(xian)维(wei)(wei)复合材料与(yu)与(yu)铝合金组合应用(yong)时会发生(sheng)(sheng)金属碳(tan)(tan)化、渗碳(tan)(tan)及电(dian)化学(xue)腐蚀现象。因此,碳(tan)(tan)纤(xian)(xian)(xian)维(wei)(wei)在(zai)(zai)使用(yong)前(qian)须(xu)进行表面处理(li)。[4] 碳(tan)(tan)纤(xian)(xian)(xian)维(wei)(wei)还有(you)(you)耐(nai)油(you)、抗(kang)辐射(she)、抗(kang)放(fang)射(she)、吸收(shou)有(you)(you)毒气体和减速中(zhong)子等特性。
碳纤(xian)(xian)(xian)维杆 , 玻璃纤(xian)(xian)(xian)维杆 碳纤(xian)(xian)(xian)维管, 玻璃纤(xian)(xian)(xian)维管