Kuleli sonto nje, abacwaningi baseDartmouth College bathuthukise uyinki ohlakaniphile ophrintekayo we-3D ongashintsha umumo nombala. Ahlukile kwamanye amaqembu asebenzisa ubuchwepheshe bokuphrinta be-4D ukwenza izinto ezintsha. USuong Van Hoa, uprofesa eMnyangweni Wezobunjiniyela Bemishini, Izimboni kanye Nezindiza Zomoya wase-Concordia University, usebenzisa ubuchwepheshe bokunyathelisa be-4D ukuze enze izinto eziyinhlanganisela ezingakwazi ukugoba ngokwazo ngaphandle kokusebenzisa isikhunta.

"Ukuphrinta kwe-4D kusivumela ukuthi senze izakhiwo eziyinhlanganisela ezigobile ngaphandle kwesidingo sokwenza isikhunta esigobile," kusho uHoa. "Engikutholayo okuyinhloko ukuthi abantu bangakwazi ukwenza izinto eziyinhlanganisela ezigobile-imicu eqhubekayo enezakhiwo eziphakeme zemishini, ezingashesha futhi zonge kakhulu."

Ngokuvamile, kudingeka izinyathelo ezimbalwa ekwenziweni kwezingxenye ezifana nemithombo yamaqabunga eyinhlanganisela, okuyizinto ezibamba ukushaqeka okungasindi ezimotweni. Ukuze wenze izingxenye ezimise okuka-S, isikhunta esimise okwe-S sidinga ukwenziwa ngezinto eziqinile njengensimbi. Indwangu eqinisiwe efakwe ngaphambili ngohlelo lwe-resin bese ibekwa phezu kwesikhunta ukuze yenze ingxenye eyinhlanganisela. Kodwa-ke, uHoa uthe ukusetshenziswa kobuchwepheshe bokuphrinta be-4D kungashiya izinyathelo zokuqala zokwakha isikhunta esiyinkimbinkimbi.

"Ukuphrinta kwe-4D yezinto ezihlanganisiwe kusebenzisa ngokunenzuzo ukushwabana kweresin ye-matrix kanye nomehluko kuma-coefficients ashisayo anciphayo wezendlalelo ezinomumo ohlukile we-fiber, ngaleyo ndlela kusebenze izinguquko zokwakheka ngesikhathi sokuphulukiswa nokupholisa," esho. "Lokhu kuziphatha kungasetshenziswa ukwenza izingxenye ezinejiyometri egobile ngaphandle kwesidingo sesikhunta esiyinkimbinkimbi. Ngakho-ke, ukwakhiwa kobunjwa obugobile kungashesha futhi kube ukonga. Nokho, izinga lokushintsha komumo lincike ezicini ezibonakalayo, ukuma kwe-fiber, nokupakisha. Ukulandelana kwesendlalelo kanye nenqubo yokukhiqiza."

Ingxenye yocwaningo luka-Hoa ibandakanya ukucutshungulwa kabusha kwezakhiwo ze-anisotropic zongqimba oluyinhlanganisela. I-Anisotropy yindlela impahla eziphatha ngayo lapho ilayishwa ngokuhambisana nezimbazo ezahlukene. Impahla ye-anisotropic yento ethile iyisilinganiso sokuthi ishintsha kanjani ngokuhlobene nezinye izici. Isibonelo, ukushwabana kwe-resin kungabangela ukuguqulwa kwezinto, noma ukushintsha kwezinga lokushisa kungabangela ukunwetshwa kwefayibha noma ukufinyela. Ngokusho kukaHoa, ukuqonda nokulawulwa kwalezi zinguquko kuyisihluthulelo sokwenza ama-laminates agobile ukuze kuhlanganiswe isikhunta.

Uthe: "I-Anisotropy ibilokhu ithathwa njengomthwalo esikhathini esidlule. Manje ngiyibona njengempahla."

U-Hoa ukholelwa ukuthi ubuchwepheshe bungasetshenziswa ku-aerospace nakweminye imikhakha.

“Olunye uhlelo yizakhiwo zasemkhathini njengamasathelayithi, ezithikamezeka kakhulu ngenxa yokuguquguquka okukhulu kwezinga lokushisa,” esho. "Isakhiwo singavulwa emini (lapho izinga lokushisa liphezulu) ukuze kuqoqwe amandla elanga futhi kuvalwe ebusuku ukuvikela ingaphakathi layo."

Ngonyaka odlule, uHoa waba ngowokuqala waseCanada ukuqokwa njengelungu le-American Composites Association. Ushicilele imiphumela yocwaningo lwakhe ephepheni elinesihloko esithi "iminikelo evelele emphakathini oyinhlanganisela ngocwaningo, ukwenza, imfundo kanye nenkonzo".

Xhumanisa nale ndatshana: Ukuphrinta kwe-4D kudala izinto eziyinhlanganisela ezigobile ngaphandle kokubunjwa

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