▁el astic ▁mod ulus , ▁strength , ▁and ▁f ract ure ▁t ough ness ▁of ▁the ▁polym er ▁matrix . ▁The ▁addition ▁of ▁C NT s ▁to ▁the ▁matrix ▁also ▁reduces ▁the ▁propag ation ▁of ▁inter lam inar ▁cra cks ▁which ▁can ▁be ▁a ▁problem ▁in ▁traditional ▁FR P s . ▁ ▁Further ▁improvement ▁is ▁possible ▁through ▁the ▁use ▁of ▁carbon ▁nan of ib ers ▁( CN F s ) ▁in ▁the ▁bla de ▁coat ings . ▁A ▁major ▁problem ▁in ▁desert ▁environments ▁is ▁er os ion ▁of ▁the ▁leading ▁edges ▁of ▁bl ades ▁by ▁wind ▁carrying ▁sand , ▁which ▁increases ▁rough ness ▁and ▁decre ases ▁aer od ynamic ▁performance . ▁The ▁particle ▁er os ion ▁resistance ▁of ▁fib re - re in for ced ▁polym ers ▁is ▁poor ▁when ▁compared ▁to ▁met all ic ▁materials ▁and ▁el ast om ers , ▁and ▁needs ▁to ▁be ▁improved . ▁It ▁has ▁been ▁shown ▁that ▁the ▁replacement ▁of ▁glass ▁fib re ▁with ▁C NF ▁on ▁the ▁composite ▁surface ▁greatly ▁impro ves ▁er os ion ▁resistance . ▁C NF s ▁have ▁also ▁been ▁shown ▁to ▁provide ▁good ▁elect rical ▁conduct ivity ▁( important ▁for ▁light ning ▁strik es ), ▁high ▁d amp ing ▁ratio , ▁and ▁good ▁impact - fr iction ▁resistance . ▁These ▁properties ▁make ▁C NF - based ▁n ano ▁paper ▁a ▁pros pective ▁co ating ▁for ▁wind ▁tur bine ▁bl ades . ▁ ▁Another ▁important ▁source ▁of ▁de grad ation ▁for ▁tur bine ▁bl ades ▁is ▁light ning ▁damage , ▁which ▁over ▁the