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Tun daga shekarun 1950,haɗakar da aka ƙarfafa zaren gilashian yi amfani da su a cikin sassan firam ɗin jiragen sama marasa ɗaukar kaya, kamar fairings da hatches na dubawa, kodayake aikace-aikacensu yana da iyaka sosai.

Ci gaban da aka samu a fannin kayan haɗin jirgi na helikwafta ya faru ne a shekarun 1960 tare da nasarar haɓaka ruwan wukake masu haɗakar firam ɗin gilashi da aka ƙarfafa. Wannan ya nuna fa'idodin haɗakarwa masu ban mamaki - ƙarfin gajiya mai girma, canja wurin kaya ta hanyoyi da yawa, halayen yaɗuwar fasawa a hankali, da kuma sauƙin ƙera matsi - waɗanda aka gane su sosai a aikace-aikacen ruwan wukake na rotor. Rauni da ke tattare da haɗakar da aka ƙarfafa da fiber - ƙarancin ƙarfin yankewa tsakanin layukan da kuma jin daɗin abubuwan muhalli - bai yi mummunan tasiri ga ƙirar ruwan wukake ko aikace-aikacensa ba.

Duk da cewa ruwan wukake na ƙarfe galibi suna da tsawon rai wanda bai wuce awanni 2000 ba, ruwan wukake masu haɗaka na iya samun tsawon rai wanda ya wuce awanni 6000, wanda wataƙila ba za a iya mantawa da shi ba, kuma yana ba da damar kulawa bisa ga yanayi. Wannan ba wai kawai yana haɓaka amincin helikwafta ba ne, har ma yana rage farashin cikakken zagayowar rayuwar ruwan wukake, yana ba da fa'idodi masu yawa na tattalin arziki. Tsarin matsewa mai sauƙi, mai sauƙin sarrafawa da kuma warkarwa ga mahaɗan, tare da ikon daidaita ƙarfi, tauri (gami da halayen damfara), yana ba da damar inganta bayanin martaba na aerodynamic da ingantawa a cikin ƙirar ruwan wukake na rotor, da kuma inganta yanayin tsarin rotor. Tun daga shekarun 1970, bincike kan sabbin ruwan wukake ya haifar da jerin bayanan ruwan wukake masu aiki sosai. Waɗannan sabbin ruwan wukake suna da sauyawa daga similar zuwa ƙira mai lanƙwasa gaba ɗaya, marasa daidaituwa, cimma ƙaruwar ma'aunin ɗagawa da mahimman lambobin Mach, rage ma'aunin ja, da ƙananan canje-canje a cikin ma'aunin lokaci. Ingantawa a cikin siffofi na ƙarshen ruwan wukake na rotor - daga murabba'i zuwa maƙallan da aka share, masu tauri; maƙallan da aka ja zuwa ƙasa mai lanƙwasa; zuwa ga ƙananan BERP masu gogewa—sun inganta rarraba nauyin iska, tsangwama daga vortex, girgiza, da halayen hayaniya, ta haka suna ƙara ingancin rotor.

Bugu da ƙari, masu ƙira sun aiwatar da ingantaccen tsarin iskar rotor blade aerodynamics da structural dynamics, tare da haɗa ingantaccen kayan haɗin kai tare da inganta ƙirar rotor don cimma ingantaccen aikin ruwan wukake da rage girgiza/hayaniya. Saboda haka, a ƙarshen shekarun 1970, kusan duk sabbin jiragen sama masu saukar ungulu da aka ƙera sun ɗauki ruwan wukake masu haɗin kai, yayin da aka sake haɗa tsofaffin samfuran da ruwan wukake na ƙarfe zuwa waɗanda aka haɗa suka samar da sakamako mai kyau.

Babban abin da za a yi la'akari da shi wajen ɗaukar kayan haɗin gwiwa a cikin tsarin jiragen sama na helikwafta sun haɗa da: saman lanƙwasa masu rikitarwa na waje na helikwafta, tare da ƙarancin nauyin tsarin, wanda hakan ya sa suka dace da ƙera kayan haɗin gwiwa don haɓaka juriya ga lalacewar tsari da kuma tabbatar da aiki mai aminci da inganci; buƙatar rage nauyi a cikin tsarin jiragen sama don jiragen sama masu amfani da kuma masu kai hari; da kuma buƙatun tsarin da ke ɗaukar haɗari da ƙira a ɓoye. Don magance waɗannan buƙatu, Cibiyar Bincike ta Fasaha ta Sojan Sama ta Amurka ta kafa Shirin Haɗin Jirgin Sama na Advanced Composite (ACAP) a cikin 1979. Tun daga shekarun 1980, lokacin da jiragen sama masu saukar ungulu kamar Sikorsky S-75, Bell D292, Boeing 360, da kuma MBB BK-117 na Turai tare da dukkan firam ɗin jiragen sama suka fara gwajin tashi, zuwa ga nasarar haɗa fikafikan haɗin gwiwa na V-280 da fuselage a cikin 2016, haɓaka jiragen sama masu haɗin gwiwa na dukkan firam ɗin jiragen sama ya sami ci gaba mai mahimmanci. Idan aka kwatanta da jiragen sama masu amfani da aluminum alloy, tsarin jiragen sama masu haɗaka suna ba da fa'idodi masu yawa a cikin nauyin tsarin jiragen sama, farashin samarwa, aminci, da kuma dorewa, cimma burin shirin ACAP kamar yadda aka bayyana a cikin Tebur 1-3. Saboda haka, ƙwararru sun tabbatar da cewa maye gurbin tsarin jiragen sama na aluminum da tsarin haɗin kai yana da mahimmanci idan aka kwatanta da sauyawar shekarun 1940 daga tsarin jiragen sama na katako zuwa tsarin ƙarfe.

A zahiri, girman amfani da kayan haɗin gwiwa a cikin tsarin firam ɗin jirgin sama yana da alaƙa da ƙayyadaddun ƙirar helikwafta (ma'aunin aiki). A halin yanzu, kayan haɗin gwiwa suna wakiltar kashi 30% zuwa 50% na nauyin tsarin firam ɗin jirgin sama a cikin helikwafta masu matsakaicin nauyi da masu kai hari, yayin da jiragen sama na soja/farar hula ke amfani da kaso mafi girma, suna kaiwa kashi 70% zuwa 80%. Ana amfani da kayan haɗin gwiwa galibi a cikin abubuwan haɗin gwiwa kamar su wutsiya, mai daidaita tsaye, da mai daidaita kwance. Wannan yana aiki da dalilai biyu: rage nauyi da sauƙin ƙirƙirar saman hadaddun abubuwa kamar masu daidaita tsaye masu bututu. Tsarin shaye-shaye masu haɗari kuma suna amfani da kayan haɗin gwiwa don cimma tanadin nauyi. Duk da haka, ga jiragen sama masu sauƙi da ƙananan tare da sassa masu sauƙi, ƙananan kaya, da ƙananan bango, amfani da kayan haɗin gwiwa ba lallai bane ya zama mai inganci ba.