Bekeng ena feela, bafuputsi ba Dartmouth College ba ile ba hlahisa enke e bohlale ea khatiso ea 3D e ka fetolang sebōpeho le 'mala. Li fapane le lihlopha tse ling tse sebelisang theknoloji ea khatiso ea 4D ho etsa lintho tse ncha. Suong Van Hoa, moprofesa Lefapheng la Mechanical, Industrial and Aerospace Engineering ea Univesithi ea Concordia, o sebelisa thekenoloji ea khatiso ea 4D ho etsa lisebelisoa tse nang le likarolo tse ka ikobehang ka botsona ntle le ho sebelisa hlobo.

"Khatiso ea 4D e re lumella ho etsa meaho e nang le likarolo tse kobehileng ntle le tlhoko ea ho etsa hlobo e kobehileng," Hoa o boletse. "Seo ke se fumaneng haholo ke hore batho ba ka etsa lisebelisoa tse kobehileng tse nang le likhoele tse telele tse nang le thepa e phahameng ea mochini, e ka potlakang le ho boloka chelete."

Ka kakaretso, ho hlokahala mehato e 'maloa ha ho etsoa likaroloana tse kang liliba tsa makhasi a kopantsoeng, e leng li-absorber tse bobebe tse bobebe likoloing. E le ho etsa likarolo tse bōpehileng joaloka S, liforomo tse bōpehileng joaloka S li lokela ho etsoa ka thepa e tiileng e kang tšepe. Lesela le matlafalitsoeng le kenngoeng pele ka tsamaiso ea resin ebe le behoa holim'a hlobo ho etsa karolo e kopanetsoeng. Leha ho le joalo, Hoa o boletse hore tšebeliso ea theknoloji ea khatiso ea 4D e ka tlohela mehato ea pele ea ho haha ​​liforomo tse rarahaneng.

"Khatiso ea 4D ea lisebelisoa tse kopantsoeng e nka monyetla oa ho honyela ha resin ea matrix le phapang ea li-coefficients tsa shrinkage tsa mocheso tse nang le li-fiber tse fapaneng, ka hona li kenya tšebetsong liphetoho tsa sebopeho nakong ea ho folisa le ho pholisa," o boletse joalo. "Boitšoaro bona bo ka sebelisoa ho etsa likarolo tse nang le li-geometri tse kobehileng ntle le tlhokahalo ea liforomo tse rarahaneng. Ka hona, ho etsoa ha libopeho tse kobehileng ho ka ba ka potlako le ka chelete e ngata. Leha ho le joalo, tekanyo ea phetoho ea sebopeho e itšetlehile ka litšobotsi tsa thepa, mokhoa oa fiber le stacking. Tatelano ea lera le ts'ebetso ea tlhahiso."

Karolo ea lipatlisiso tsa Hoa e kenyelletsa ho hlahloba hape thepa ea anisotropic ea lera le kopaneng. Anisotropy ke tsela eo thepa e sebetsang ka eona ha e imetsoe ke meroalo ka lilepe tse fapaneng. Thepa ea anisotropic ea thepa ke tekanyo ea hore na e fetoha joang kamanong le lintlha tse ling. Mohlala, ho honyela ha resin ho ka baka deformation ea thepa, kapa ho fetoha ha mocheso ho ka baka ho ata kapa ho honyela ha fiber. Ho ea ka Hoa, kutloisiso le taolo ea liphetoho tsena ke senotlolo sa ho etsa li-laminate tse kobehileng bakeng sa hlobo e kobehang.

O itse: "Anisotropy e 'nile ea nkoa e le moroalo nakong e fetileng. Hona joale ke ba bona e le letlotlo."

Hoa o lumela hore theknoloji e ka sebelisoa ho aerospace le mafapha a mang.

"Tsebeliso e 'ngoe ke mehaho ea sebaka se kang li-satellite, tse anngoeng ke ho fetoha ha mocheso ho feteletseng," o ile a re. "Sebopeho se ka buloa motšehare (ha mocheso o phahame) ho bokella matla a letsatsi le ho koaloa bosiu ho sireletsa hare-hare ho eona."

Selemong se fetileng, Hoa e bile motho oa pele oa Canada ho khethoa e le setho sa American Composites Association. O ile a hatisa liphetho tsa hae tsa lipatlisiso pampiring e nang le sehlooho se reng, "likarolo tse ikhethang ho sechaba sa lihlopha ka lipatlisiso, boikoetliso, thuto le tšebeletso".

Kopanya le sengoloa sena: Khatiso ea 4D e etsa lisebelisoa tse kobehileng tse kopaneng ntle le hlobo

Phatlalatso ea Khatiso: Haeba ho se na litaelo tse khethehileng, lingoliloeng tsohle tse sebakeng sena ke tsa mantlha. Ka kopo, bontša mohloli oa khatiso hape: https://www.cncmachiningptj.com

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