Dị ka akụkọ kachasị ọhụrụ si kwuo, ọgbọ na-esote nke ihe mejupụtara nwere ike nyochaa ọnọdụ ahụike nke onwe ha, wee bụrụ ndị nkịtị.
Ihe mejupụtara fiber carbon dị ọkụ ma sie ike ma bụrụ ihe dị mkpa eji arụ ọrụ maka ụgbọ ala, ụgbọ elu na ụzọ ndị ọzọ eji ebu njem. Ha nwere ihe ndị mejupụtara polymer, dị ka resin epoxy, nke ejiri eriri carbon gbasiri ike. N'ihi ụdị ọrụ dị iche iche nke ihe abụọ ahụ, eriri ndị ahụ ga-adaba na mkpụrụ n'okpuru oke nrụgide ma ọ bụ ike ọgwụgwụ. Nke a pụtara na mmebi nke usoro ihe mejupụtara carbon fiber ka nwere ike zoo n'okpuru ala ma anya gba ọtọ enweghị ike ịhụ ya, nke nwere ike ibute ọdịda dị egwu.
"Site n'ịghọta ihe dị n'ime ihe ndị mejupụtara, ị nwere ike ikpebi ahụike ha nke ọma ma mara ma ọ bụrụ na enwere mmebi ọ bụla a ga-edozi," Ridge Chris Bowland, onye nyocha na ụlọ ọrụ ahụ.
Oak Ridge National Laboratory na US Department of Energy (Oak National Laboratory) Wigner. Na nso nso a, Amit Naskar, onye isi nke carbon na composites otu na Bowland na ORNL, chepụtara a Rolling stripe method to kechie conductive carbon fibers on semiconductor silicon carbide nanoparticles The nanomaterials na-agbakwunyere na mejupụtara ihe ndị siri ike karịa ndị ọzọ fiber-ike composites na-enwe ike ọhụrụ ha nwere ike nyochaa nke ha fiber. na polymer, na eriri na-etolite a ike okporo, na nnukwu composites na-eduzi ọkụ eletrik nanoparticles Semiconductor nwere ike ibibi a eletriki conductivity n'okpuru omume nke mpụga ike, na-agbakwụnye n'ibu na eletriki ọrụ na composites Ọ bụrụ na ihe ndị mejupụtara na-agbatị, Njikọta nke mkpuchi eri ga-ebibi na iguzogide na ihe onwunwe ga-agbanwe na-mgbagwoju anya na-eme ka ihe na-eme ka ọ bụrụ ihe na-eme ka ihe ọkụkụ ahụ gbanwee. Nku ahụ dị n'okpuru nrụgide dị ukwuu ma na-atụ aro nyocha. Ngosipụta na-agbagharị agbagharị nke ORNL na-egosi na usoro ahụ nwere ike ịmepụta ọgbọ na-esote nke ihe ndị na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-emepụta ihe na-emepụta ihe, nke a na-eme site na polymer substrates na obere ọnụ ala carbon fiber, nwere ike ịchọta ebe ha na-arụnyere na ngwaahịa ndị na-emepụta ihe, gụnyere ọbụna 3D e biri ebi n'ime ihe ndị na-emepụta ihe na-eme ka ọkpụkpụ na-emepụta ihe na ụlọ carbon fiber na-arụ ọrụ dị elu na-agbanye na rollers, na rollers na-etinye eriri ndị ahụ na resin epoxy, nke nwere nanoparticles dị na ahịa, nke obosara ya dị ihe dị ka obosara nke nje (45-65 nm).
A na-akpọzi eriri ndị ahụ n'ime oven iji chekwaa mkpuchi ahụ. Iji nwalee ike nke eriri ndị a na-etinye na nanoparticles nke na-ejikọta ya na polymer substrate, ndị nchọpụta ahụ mere fiber-reinforced composite beams, nke a na-ahazi na One Direction. The Bowland mere ule nrụgide nke njedebe nke cantilever na-edozi, ebe igwe na-enyocha ihe ndị na-arụ ọrụ na-arụ ọrụ na-etinye aka n'etiti etiti osisi ahụ dara. Iji mụọ ikike nghọta nke ihe mejupụtara, ọ rụnyere electrodes n'akụkụ abụọ nke osisi cantilever. N'igwe a maara dị ka "Dynamic mechanical analyzer," ọ gbuturu otu nsọtụ iji mee ka cantilever guzoro. Igwe ahụ na-arụ ọrụ ike na nsọtụ nke ọzọ iji gbadaa nkwusioru nkwusioru ebe Bowland na-enyocha mgbanwe nke nguzogide. ORNL, onye nyocha postdoctoral Ngoc Nguyen, mere ule ndị ọzọ na Fourier Transform Infrared spectrometer iji mụọ njikọ kemịkalụ n'ime ihe mejupụtara yana kwalite nghọta nke ike igwe emelitere ahụrụ. Ndị na-eme nchọpụta nwalekwara ike nke ike nkwụsị nke ihe ndị mejupụtara nke nanoparticles dị iche iche (nke a na-atụ aro site na omume damping na-eme mkpọtụ), nke ga-eme ka nzaghachi nke ihe nhazi ahụ dị na mgbagwoju anya, mgbagwoju anya na nrụgide ndị ọzọ na isi mmalite. N'oge ọ bụla itinye uche, nanoparticles nwere ike ịkwalite mgbasa ike (site na 65% ruo 257% ruo ogo dị iche iche). Bowland na Naskar etinyela akwụkwọ maka patent usoro maka imepụta ihe mejupụtara carbon fiber na-achọpụta onwe ya.
"Mkpuchi nke impregnated na-enye ụzọ ọhụrụ iji nweta uru nke nanomaterials ọhụrụ a na-emepụta." Bowland kwuru. A kwadoro ọmụmụ ihe ahụ site na nyocha na ọrụ mmepe nke ORNL Laboratory na-eduzi, nke e bipụtara n'akwụkwọ akụkọ ACS Applied Materials and Interfaces (Applied Materials & Interfaces) nke American Chemical Society.
Oge nzipu: Dec-07-2018