Lutetium oxideʻO ia ka mea hoʻohiki refractory ma muli o kona kūpaʻa wela kiʻekiʻe, ke kūpaʻa corrosion, a me ka ikehu phonon haʻahaʻa.Eia kekahi, ma muli o kona ʻano homogeneous, ʻaʻohe pae hoʻololi ma lalo o ka mea hoʻoheheʻe, a me ka hoʻomanawanui ʻana kiʻekiʻe, he hana koʻikoʻi ia i nā mea catalytic, nā mea magnetic, ke aniani optical, laser, electronics, luminescence, superconductivity, a me ka uila uila kiʻekiʻe. ʻike maka.Hoʻohālikelike ʻia me nā ʻano mea maʻamau,lutetium oxideHōʻike nā mea fiber i nā mea maikaʻi e like me ka hiki ke maʻalahi, ka paepae hōʻino laser kiʻekiʻe, a me ka bandwidth hoʻouna ākea.Loaʻa iā lākou nā hiʻohiʻona noi ākea ma nā kahua o nā lasers kiʻekiʻe a me nā mea hana kiʻekiʻe.Eia naʻe, ke anawaena o ka lōʻihilutetium oxideʻoi aku ka nui o nā fibers i loaʻa ma nā ʻano kuʻuna (>75 μm) ʻAʻole maikaʻi ka maʻalahi, a ʻaʻohe hōʻike o ka hana kiʻekiʻe.lutetium oxidefiber mau.No kēia kumu, ua hoʻohana ʻo Professor Zhu Luyi a me nā mea ʻē aʻe mai ke Kulanui ʻo Shandonglutetiumloaʻa nā polymers organik (PALu) ma ke ʻano he precursors, i hui pū ʻia me ka wili maloʻo a me nā kaʻina hana wela ma hope, e wāwahi i ka bottleneck o ka hoʻomākaukau ʻana i ka ikaika kiʻekiʻe a me ka liʻiliʻi liʻiliʻi lutetium oxide mau fiber mau, a hoʻokō i ka hoʻomākaukau controllable o ka hana kiʻekiʻe.lutetium oxidenā fiber mau.
Kiʻi 1 Kaʻina wili maloʻo o ka hoʻomaulutetium oxidenā pulupulu
Hoʻopili kēia hana i ka pōʻino o nā fibers precursor i ka wā o ke kaʻina ceramic.E hoʻomaka ana mai ka hoʻoponopono ʻana i ke ʻano decomposition precursor, ua manaʻo ʻia kahi ala hou o ka hoʻomaʻamaʻa ʻana i ka mahu wai i kōkua ʻia.Ma ka hoʻololi ʻana i ka mahana pretreatment e wehe i nā ligands organik i ke ʻano o nā molekala, ʻaʻole nui ka pōʻino i ka hale fiber i ka wā o ke kaʻina ceramic, a laila e hōʻoia i ka hoʻomaulutetium oxidenā pulupulu.E hōʻike ana i nā waiwai mechanical maikaʻi loa.Ua ʻike ʻia ka noiʻi ʻana ma nā haʻahaʻa haʻahaʻa ma mua o ka mālama ʻana, ʻoi aku ka nui o nā precursors e hana i ka hydrolysis reactions, e hoʻoulu ai i nā wrinkles ili ma nā fibers, e alakaʻi ana i nā māwae ma luna o ka ʻili o nā fibers ceramic a me ka pulverization pololei ma ka pae macro;A ʻoi aku ka kiʻekiʻe o ka mahana ma mua o ka mālama ʻana, e hoʻoheheʻe pololei ka precursor i lokolutetium oxide, hoʻoulu ʻole ʻia ka hana fiber, ʻoi aku ka nui o ka palupalu a me ka lōʻihi pōkole;Ma hope o ka hoʻomaʻamaʻa mua ʻana ma 145 ℃, paʻa ke ʻano o ka fiber a maʻalahi ka ʻili.Ma hope o ka mālama ʻana i ka wela kiʻekiʻe, e hoʻomau mau ʻia kahi macroscopic aneane ʻalohilohilutetium oxideʻO ka fiber me ke anawaena o kahi o 40 ua loaʻa maikaʻi ka μ M.
Kiʻi 2 Nā kiʻi Optical a me nā kiʻi SEM o nā fiber precursor i hana mua ʻia.Ka wela o ka hoʻomaʻamaʻa mua ʻana: (a, d, g) 135 ℃, (b, e, h) 145 ℃, (c, f, i) 155 ℃
Kiʻi 3 Kiʻi Optical o ka hoʻomaulutetium oxidenā pulu ma hope o ka mālama ʻana i ka keramika.Ka wela o ka hoʻomaʻamaʻa mua ʻana: (a) 135 ℃, (b) 145 ℃
Kiʻi 4: (a) XRD spectrum, (b) optical microscope kiʻi, (c) thermal stability and microstructure of continuelutetium oxidenā pulu ma hope o ka mālama ʻana i ka wela kiʻekiʻe.Ka wela wela: (d, g) 1100 ℃, (e, h) 1200 ℃, (f, i) 1300 ℃
Eia kekahi, hōʻike kēia hana no ka manawa mua i ka ikaika tensile, elastic modulus, hiki ke maʻalahi, a me ka pale wela o ka hoʻomau.lutetium oxidenā pulupulu.ʻO ka ikaika tensile filament hoʻokahi he 345.33-373.23 MPa, ʻo ka modulus elastic he 27.71-31.55 GPa, a ʻo ka radius curvature hope loa he 3.5-4.5 mm.ʻOiai ma hope o ka hoʻomaʻamaʻa ʻana i ka wela ma 1300 ℃, ʻaʻohe nui o ka emi ʻana o nā waiwai mechanical o nā fibers, e hōʻoiaʻiʻo ana i ka pale ʻana o ka wela o ka hoʻomau.lutetium oxideʻAʻole i emi iho nā fibers i hoʻomākaukau ʻia ma kēia hana ma mua o 1300 ℃.
Kiʻi 5 Mechanical waiwai o ka maulutetium oxidenā pulupulu.(a) ʻAi koʻikoʻi-koi, (b) ikaika uʻi, (c) modulus elastic, (df) radius curvature hope loa.Ka wela wela: (d) 1100 ℃, (e) 1200 ℃, (f) 1300 ℃
ʻAʻole hoʻolaha kēia hana i ka noi a me ka hoʻomohala ʻana olutetium oxidei nā mea hoʻolālā kiʻekiʻe, nā lasers kiʻekiʻe, a me nā māla ʻē aʻe, akā hāʻawi pū kekahi i nā manaʻo hou no ka hoʻomākaukau ʻana i nā fibers hoʻomau kiʻekiʻe.
Ka manawa hoʻouna: Nov-09-2023