Kwi-ZHHIMG®, sigxile ekwenzeni izinto zegranite ngokuchanekileyo kwe-nanometer. Kodwa ukuchaneka kokwenyani kudlulela ngaphaya kokunyamezela kokuqala kokuvelisa; kubandakanya ukuthembeka kwesakhiwo sexesha elide kunye nokuqina kwezinto ngokwazo. I-granite, nokuba isetyenziswa kwiziseko zoomatshini abachanekileyo okanye ukwakhiwa okukhulu, ichaphazeleka ziimpazamo zangaphakathi ezifana nokuqhekeka okuncinci kunye ne-voids. Ezi ziphene, kunye noxinzelelo lobushushu bendalo, zilawula ngokuthe ngqo ubude bexesha kunye nokhuseleko lwenxalenye.
Oku kufuna uvavanyo oluphambili nolungangenisi ntsholongwane. I-Thermal Infrared (IR) Imaging iye yavela njengendlela ebalulekileyo yoVavanyo oluNgatshabalaliyo (NDT) lwegranite, ebonelela ngendlela ekhawulezayo nengachukumisiyo yokuvavanya impilo yayo yangaphakathi. Xa idibene noHlalutyo loSasazo lweThermo-Stress, sinokudlula nje ekufumaneni isiphene siye ekuqondeni ngokwenene impembelelo yayo kuzinzo lwesakhiwo.
Isayensi Yokubona Ubushushu: Imigaqo Yokufota Nge-IR
Imifanekiso ye-Thermal IR isebenza ngokubamba amandla e-infrared avela kumphezulu wegranite aze ayiguqulele kwimephu yobushushu. Olu lwabiwo lobushushu lutyhila ngokungangqalanga iimpawu ze-thermophysical ezingaphantsi.
Lo mgaqo ulula: iziphene zangaphakathi zisebenza njengezinto ezingaqhelekanga kubushushu. Umzekelo, ukuqhekeka okanye i-void ithintela ukuhamba kobushushu, nto leyo ebangela umahluko obonakalayo kubushushu kwizinto ezijikelezileyo zesandi. Ukuqhekeka kunokubonakala njengomgca opholileyo (ukuvimba ukuhamba kobushushu), ngelixa indawo enemingxuma emininzi, ngenxa yokwahluka kwamandla obushushu, inokubonisa indawo eshushu yendawo.
Xa kuthelekiswa neendlela ze-NDT eziqhelekileyo ezifana nokuhlolwa kwe-ultrasound okanye i-X-ray, i-IR imaging ineenzuzo ezahlukeneyo:
- Ukuskena Okukhawulezayo Nokukhulu: Umfanekiso omnye ungagubungela iimitha ezininzi zesikwere, nto leyo eyenza ukuba kube yeyona ifanelekileyo ekuhlolweni ngokukhawuleza kwezinto ezinkulu zegranite, ezifana neebhariji okanye iibhedi zomatshini.
- Ayidibani kwaye ayitshabalalisi: Le ndlela ayifuni kudibana ngokwasemzimbeni okanye indlela yokudibanisa, okuqinisekisa ukuba akukho monakalo wesibini kumphezulu ococekileyo wenxalenye.
- Ukubeka iliso ngokuGuquguqukayo: Kuvumela ukubanjwa kweenkqubo zotshintsho lobushushu ngexesha langempela, okubalulekileyo ekuchongeni iziphene ezinokubakho ezibangelwa bubushushu njengoko zikhula.
Ukuvula Indlela Yokusebenza: Ithiyori Yoxinzelelo Lwe-Thermo
Izinto zegranite ngokungenakuphepheka ziphuhlisa uxinzelelo lwangaphakathi lobushushu ngenxa yokuguquguquka kobushushu okanye imithwalo yangaphandle. Oku kulawulwa yimigaqo ye-thermoelasticity:
- Ukungalingani Kokwanda Kobushushu: I-Granite lilitye elidityanisiweyo. Izigaba zangaphakathi zeminerali (ezifana ne-feldspar kunye ne-quartz) zine-coefficients yokwanda kobushushu eyahlukileyo. Xa amaqondo obushushu etshintsha, oku kungafani kukhokelela ekwandeni okungafaniyo, okudala iindawo ezixineneyo zoxinzelelo lokuxinana okanye lokucinezela.
- Isiphumo Sokuthintelwa Kweziphene: Iziphene ezifana neengceba okanye iimbobo ziyathintela ukukhululwa koxinzelelo lwendawo ethile, nto leyo ebangela uxinzelelo oluphezulu kwizinto ezikufutshane. Oku kusebenza njengesikhawulezisi sokwanda kweengceba.
Ukulinganisa amanani, okufana neFinite Element Analysis (FEA), kubalulekile ekulinganiseni lo mngcipheko. Umzekelo, phantsi kobushushu obujikelezayo obuyi-20°C (njengomjikelo oqhelekileyo wasemini/ebusuku), i-granite slab equlethe i-vertical crack inokufumana uxinzelelo lokuxinana komhlaba olufikelela kwi-15 MPa. Ngenxa yokuba amandla okuxinana kwe-granite adla ngokuba ngaphantsi kwe-10 MPa, olu xinzelelo lunokubangela ukuba i-crack ikhule ngokuhamba kwexesha, nto leyo ekhokelela ekuwohlokeni kwesakhiwo.
Ubunjineli Busebenza: Isifundo Setyala Ekugcinweni
Kwiprojekthi yokulungisa yakutshanje malunga nekholamu yamandulo yegranite, i-thermal IR imaging ichonge ngempumelelo i-annular cold band engalindelekanga kwicandelo eliphakathi. Ukugrumba okulandelayo kuqinisekisile ukuba le ngxaki yayiyi-internal straight crack.
Kwaqaliswa olunye uhlobo lomzekelo woxinzelelo lwe-thermo. Olu vavanyo lutyhile ukuba uxinzelelo oluphezulu lokuxinana ngaphakathi kwe-crack ngexesha lobushushu basehlotyeni lufikelele kwi-12 MPa, nto leyo eyingozi edlula umda wezinto ezisetyenzisiweyo. Ukulungiswa okufunekayo yayikukujova nge-epoxy resin echanekileyo ukuze kuzinziswe isakhiwo. Uvavanyo lwe-IR emva kokulungiswa luqinisekisile ukuba i-thermal temperature iyafana kakhulu, kwaye uvavanyo loxinzelelo luqinisekisile ukuba uxinzelelo lwe-thermal luncitshisiwe lwaya kumlinganiselo okhuselekileyo (ngaphantsi kwe-5 MPa).
Ingqikelelo yoLawulo lwezeMpilo oluPhambili
Umzobo we-Thermal IR, kunye nohlalutyo oluqatha loxinzelelo, ubonelela ngendlela yobugcisa esebenzayo nethembekileyo yoLawulo lwezeMpilo yoLwakhiwo (SHM) lweziseko ezibalulekileyo zegranite.
Ikamva lale ndlela likhomba ekuthembekeni okuphuculweyo kunye nokuzenzekelayo:
- I-Multi-Modal Fusion: Ukudibanisa idatha ye-IR novavanyo lwe-ultrasound ukuphucula ukuchaneka kobungakanani bobunzulu besiphene kunye novavanyo lobungakanani.
- Uxilongo oluBukrelekrele: Ukuphuhlisa ii-algorithms zokufunda nzulu ukuze kudityaniswe amasimi obushushu namasimi oxinzelelo olulinganisiweyo, okuvumela ukuhlelwa ngokuzenzekelayo kweziphene kunye novavanyo lomngcipheko oluqikelelweyo.
- Iinkqubo ze-Dynamic IoT: Ukudibanisa ii-sensors ze-IR kunye netekhnoloji ye-IoT yokujonga imeko yobushushu kunye neye-mechanical ngexesha langempela kwizakhiwo ezinkulu ze-granite.
Ngokuchonga iziphene zangaphakathi ngokungangeneleliyo kunye nokulinganisa iingozi zoxinzelelo lobushushu ezinxulumene nazo, le ndlela iphucukileyo yandisa ubomi becandelo, inika isiqinisekiso sesayensi sokugcinwa kwelifa kunye nokhuseleko olukhulu lweziseko zophuhliso.
Ixesha lokuthumela: Novemba-05-2025