Halaye da aikace-aikacen fina-finan lu'u-lu'u babi na 1

Lu'u-lu'u da aka samar da shi da haɗin sinadarai mai ƙarfi yana da halaye na musamman na injiniya da na roba. Taurin, yawa da kuma ƙarfin jure zafi na lu'u-lu'u sune mafi girma a cikin kayan da aka sani. Lu'u-lu'u kuma yana da mafi girman modulus na sassauci na kowane abu. Matsakaicin jure zafi na fim ɗin lu'u-lu'u shine 0.05 kawai. Bugu da ƙari, lu'u-lu'u yana da mafi girman ƙarfin jure zafi, wanda ke ƙaruwa da fiye da kashi biyar idan an shirya fim ɗin lu'u-lu'u ta amfani da tsattsarkan isotopes na carbon. Babban dalilin amfani da isotopes na carbon don shirya lu'u-lu'u shine don rage watsawar phonon na lu'u-lu'u. A matsayin kayan da ya fi tauri, fim ɗin lu'u-lu'u kyakkyawan kayan shafa ne, wanda za'a iya shafa shi a saman kayan aikin yankewa da ƙira don inganta ƙarfin saman su sosai da ƙara tsawon rayuwarsu. Ana iya amfani da ƙarancin ƙarfin jure zafi da babban ƙarfin jure zafi na fina-finan lu'u-lu'u don bearings masu sauri don jiragen sama na kalma. Babban ƙarfin jure zafi, ƙarancin ƙarfin jure zafi da kyakkyawan watsa haske na fim ɗin lu'u-lu'u suma suna sa sau da yawa ana amfani da shi azaman kayan misalan makamai masu linzami.

(2) Halayen Zafi da Amfani da Lu'u-lu'u
A zamanin yau, ƙarfin zafin fim ɗin lu'u-lu'u na roba yana kusa da na lu'u-lu'u na halitta. Saboda yawan ƙarfin zafinsa da juriyar lantarki mai yawa, ana iya amfani da lu'u-lu'u a matsayin Layer mai rufewa na substrate mai haɗaka, da kuma Layer mai hana zafi na lasers mai ƙarfi. Bugu da ƙari, ƙarfin zafin lu'u-lu'u mai girma, ƙaramin ƙarfin zafi, musamman a yanayin zafi mai yawa lokacin da tasirin watsa zafi yake da mahimmanci, abu ne mai kyau na nutsewa cikin zafi. Tare da haɓaka fasahar adana fim ɗin lu'u-lu'u mai ƙarfi, ya sa amfani da na'urar adana fim ɗin lu'u-lu'u mai sirara a kan lasers masu ƙarfi, na'urorin microwave da da'irori masu haɗawa ya zama gaskiya.
Duk da haka, halayen fina-finan lu'u-lu'u na wucin gadi sun bambanta sosai saboda hanyoyin shiri daban-daban. Misali, halayen jigilar zafi, waɗanda galibi ke da alaƙa da manyan bambance-bambance a cikin yaduwar zafi da kuma watsawar zafi. Bugu da ƙari, fim ɗin lu'u-lu'u na wucin gadi yana nuna ƙarfin anisotropy, kuma watsawar zafi na kauri ɗaya na fim ɗin da ke daidai da saman fim ɗin a bayyane yake ƙarami fiye da wanda ke tsaye a saman fim ɗin. Waɗannan suna faruwa ne sakamakon sigogin sarrafawa daban-daban a cikin tsarin samar da fim ɗin. Ana iya ganin cewa tsarin shirya fina-finan lu'u-lu'u yana buƙatar a ƙara inganta shi don a yi amfani da shi sosai.

– An fitar da wannan labarin ne dagainjin shafa injin injinGuangdong Zhenhua