A wannan makon kawai, masu bincike a Kwalejin Dartmouth sun haɓaka tawada mai wayo ta 3D mai buguwa wanda zai iya canza salo da launi. Sun bambanta da sauran ƙungiyoyin da ke amfani da fasahar bugun 4D don yin abubuwan ban mamaki. Suong Van Hoa, farfesa a Sashen Injiniyan Injiniya, Masana'antu da Injiniya Aerospace na Jami'ar Concordia, yana amfani da fasahar bugu na 4D don kera kayan haɗin gwiwar da za su iya lanƙwasa da kansu ba tare da yin amfani da gyare-gyare ba.

Hoa ya ce "Bugu na 4D yana ba mu damar yin sifofi masu lanƙwasa ba tare da buƙatar yin gyare-gyare masu lanƙwasa ba," in ji Hoa. "Babban abin da na samo shi ne cewa mutane na iya yin lanƙwasa kayan haɗakarwa-dogon ci gaba da zaruruwa tare da manyan kayan aikin injiniya, wanda zai iya zama da sauri da kuma tattalin arziki."

Gabaɗaya, ana buƙatar matakai da yawa wajen kera abubuwa kamar maɓuɓɓugan ganyen ganye, waɗanda masu ɗaukar girgiza masu nauyi a cikin motoci. Domin yin sassan S-dimbin yawa, ana buƙatar gyare-gyaren S-dimbin yawa da kayan aiki masu ƙarfi kamar ƙarfe. Ƙarfafa masana'anta da aka riga aka yi ciki tare da tsarin resin ana sanya shi a kan mold don samar da wani sashi mai hade. Duk da haka, Hoa ya ce amfani da fasahar bugu na 4D na iya tsallake matakan farko na gina hadaddun gyare-gyare.

"Bugu na 4D na kayan haɗin gwiwar yana amfani da fa'idar raguwar resin matrix da kuma bambanci a cikin ma'aunin haɓakar thermal shrinkage coefficients na yadudduka daban-daban na fiber daidaitawa, don haka kunna canje-canje a cikin siffar yayin warkewa da sanyaya," in ji shi. "Wannan hali za a iya amfani da shi don kera sassa tare da geometries masu lankwasa ba tare da buƙatar gyare-gyare masu rikitarwa ba. Saboda haka, ƙirar siffofi masu lankwasa na iya zama da sauri da kuma tattalin arziki. Duk da haka, matakin canjin siffar ya dogara da halaye na kayan aiki, daidaitawar fiber, da stacking. Tsarin Layer da tsarin masana'antu."

Wani ɓangare na binciken Hoa ya haɗa da sake yin la'akari da kaddarorin anisotropic na Layer ɗin da aka haɗa. Anisotropy shine yadda abu ke nunawa lokacin da aka sa kaya tare da gatari daban-daban. Halin anisotropic na abu shine ma'auni na yadda yake canzawa dangane da wasu dalilai. Misali, raguwar guduro na iya haifar da gurɓacewar abu, ko canjin zafin jiki na iya haifar da faɗaɗa fiber ko raguwa. A cewar Hoa, fahimta da sarrafa waɗannan sauye-sauye shine mabuɗin yin laminai masu lanƙwasa don lanƙwasa ƙura.

Ya ce: "Anisotropy ko da yaushe ana kallon su a matsayin nauyi a baya. Yanzu ina ganin su a matsayin kadara."

Hoa ya yi imanin cewa ana iya amfani da fasahar a sararin samaniya da sauran fannoni.

"Wani aikace-aikacen kuma shine tsarin sararin samaniya kamar tauraron dan adam, wanda matsanancin yanayin zafi ya shafa," in ji shi. "Ana iya buɗe tsarin da rana (lokacin da zafin jiki ya yi yawa) don tattara makamashin hasken rana kuma a rufe da daddare don kare ciki."

A bara, Hoa ya zama ɗan ƙasar Kanada na farko da aka naɗa a matsayin memba na Ƙungiyar Haɗin Kan Amurka. Ya wallafa sakamakon bincikensa a cikin wata takarda mai suna "fitattun gudunmawa ga al'umma ta hanyar bincike, aiki, ilimi da hidima".

Shiga wannan labarin ： 4D bugu yana haifar da lanƙwasa kayan haɗaɗɗiya ba tare da gyaggyarawa ba

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