Njirimara, ngwa na nkwadebe nke yttrium oxide

Ọdịdị kristal nke yttrium oxide

yttrium oxide (Y₂O₃) bụ oxide na-acha ọcha nke na-adịghị ahụkebe na mmiri na alkali na soluble na acid. Ọ bụ ụdị C-dị ụkọ ụwa sesquioxide nwere nhazi cubic nke gbadoro ụkwụ na ya.

kristal parameter table nke Y₂O₃

Eserese kristal Structure nke Y₂O₃

Njirimara anụ ahụ na kemịkalụ nke yttrium oxide

(1) oke molar bụ 225.82g / mol na njupụta ya bụ 5.01g / cm³;

(2) Ebe mgbaze 2410℃, isi ihe 4300℃, ezigbo nkwụsi ike okpomọkụ;

(3) Ezigbo nkwụsi ike nke anụ ahụ na kemịkalụ na ezigbo nguzogide corrosion;

(4) Thermal conductivity dị elu, nke nwere ike iru 27 W / (MK) na 300K, nke bụ ihe dị ka okpukpu abụọ nke thermal conductivity nke yttrium aluminum garnet (Y).₃Al₅O₁₂), nke bara uru nke ukwuu maka iji ya dị ka onye na-arụ ọrụ laser;

(5) The optical transparency range is wide (0.29 ~ 8μm), na theoretical transmittance na a na-ahụ anya mpaghara nwere ike iru karịa 80%;

(6) Ike phonon dị ala, na ọnụ ọgụgụ kachasị ike nke ụdị ụdị Raman dị na 377cm.^-1, nke bara uru iji belata ihe gbasara nke puru omume nke mgbanwe na-abụghị nke radieshon ma melite arụmọrụ ọkụ na-agbanwe elu;

(7) n'okpuru 2200℃, Y₂O₃bụ akụkụ cubic na-enweghị birefringence. Ntụgharị ntụgharị bụ 1.89 na ogologo ogologo nke 1050nm. Na-agbanwe ka ọ bụrụ akụkụ hexagonal karịa 2200℃;

(8) Oghere ike nke Y₂O₃dị nnọọ obosara, ruo 5.5eV, na ike larịị nke doped trivalent obere ụwa luminescent ion dị n'etiti valence band na conduction band nke Y.₂O₃na n'elu Fermi ike larịị, si otú a akpụ discrete luminescent center.

(9) Y₂O₃, dị ka ihe matriks, nwere ike nabata ion dị elu nke trivalent obere ụwa wee dochie Y³⁺ions na-enweghị ime mgbanwe nhazi.

Isi ojiji nke yttrium oxide

Yttrium oxide, dị ka ihe mgbakwunye na-arụ ọrụ, a na-eji ya n'ọtụtụ ebe n'ọhịa nke ike atomiki, ikuku ikuku, fluorescence, ngwá electronic, ceramics dị elu na ihe ndị ọzọ n'ihi njirimara anụ ahụ dị mma dị ka elu dielectric mgbe niile, ezigbo okpomọkụ na-eguzogide na ike corrosion. iguzogide.

Isi iyi onyonyo: netwọkụ

1, Dị ka a phosphor matrix ihe, ọ na-eji na ubi nke ngosi, ọkụ na marking;

2, Dị ka a laser ọkara ihe, transperent ceramics na elu ngwa anya arụmọrụ nwere ike kwadebere, nke nwere ike na-eji dị ka a laser na-arụ ọrụ ọkara ịghọta ụlọ okpomọkụ laser mmepụta;

3, Dị ka ihe elu-ngbanwe luminescent matrix ihe, ọ na-eji na infrared nchọpụta, fluorescence labeling na ndị ọzọ ubi;

4, Mere n'ime transperent ceramics, nke nwere ike ji mee ihe maka anya na infrared anya m, elu-nrụgide gas ikwasa oriọna tubes, seramiiki scintilators, elu-okpomọkụ oku hụrụ windo, wdg

5, Ọ ga-eji dị ka mmeghachi omume arịa, elu okpomọkụ na-eguzogide ihe onwunwe, refractory ihe, wdg.

6, Dị ka akụrụngwa ma ọ bụ mgbakwunye, ha na-na-ọtụtụ ebe-eji na elu-okpomọkụ superconducting ihe, laser kristal ihe, structural ceramik, catalytic ihe, dielectric ceramics, elu-arụmọrụ alloys na ndị ọzọ ubi.

Usoro nkwadebe nke yttrium oxide ntụ ntụ

A na-ejikarị usoro mmiri ozuzo mmiri mee ihe iji kwadebe oxides ụwa na-adịghị ahụkebe, nke gụnyere usoro mmiri ozuzo oxalate, usoro mmiri ozuzo ammonium bicarbonate, usoro urea hydrolysis na usoro amonia. Na mgbakwunye, spray granulation bụkwa usoro nkwadebe nke a na-echekarị ugbu a. Ụzọ mmiri ozuzo nnu

1. usoro ọdịda oxalate

Igwe mmiri na-adịghị ahụkebe nke a kwadebere site na usoro ọdịda oxalate nwere uru nke ogo crystallization dị elu, ụdị kristal dị mma, ọsọ filtration ngwa ngwa, ọdịnaya adịghị ọcha na ọrụ dị mfe, nke bụ usoro a na-ahụkarị maka ịkwadebe oxide dị elu na-adịghị ahụkebe na mmepụta ụlọ ọrụ.

Usoro mmiri ozuzo ammonium bicarbonate

2. Ammonium bicarbonate usoro ọdịda mmiri

Ammonium bicarbonate bụ mmiri mmiri dị ọnụ ala. N'oge gara aga, ndị mmadụ na-ejikarị usoro mmiri ozuzo ammonium bicarbonate akwadebe carbonate ụwa na-adịghị ahụkebe sitere na ngwọta nke ọla ụwa na-adịghị ahụkebe. Ka ọ dị ugbu a, a na-eji usoro mmiri ozuzo ammonium bicarbonate akwadebe oxides ụwa na-adịghị ahụkebe. N'ozuzu, usoro mmiri ozuzo ammonium bicarbonate bụ ịgbakwunye ammonium bicarbonate siri ike ma ọ bụ ngwọta n'ime ngwọta chloride ụwa na-adịghị ahụkebe na okpomọkụ, mgbe ịka nká, ịsa ahụ, ihicha na ọkụ, a na-enweta oxide. Otú ọ dị, n'ihi ọnụ ọgụgụ buru ibu nke a na-emepụta n'oge mmiri ozuzo nke ammonium bicarbonate na uru pH na-akwụghị ụgwọ n'oge mmeghachi omume mmiri ozuzo, ọnụọgụ nucleation na-adị ngwa ngwa ma ọ bụ ngwa ngwa, nke na-adịghị akwado kristal. Iji nweta oxide nwere ezigbo urughuru nha na morphology, a ghaghị ịchịkwa ọnọdụ mmeghachi omume nke ọma.

3. Urea ọdịda

A na-eji usoro mmiri ozuzo urea n'ọtụtụ ebe na nkwadebe nke oxide ụwa na-adịghị ahụkebe, nke na-abụghị naanị ọnụ ala ma dịkwa mfe iji rụọ ọrụ, kamakwa ọ nwere ikike iji nweta njikwa ziri ezi nke nucleation na mkpụrụ akụkụ, yabụ usoro mmiri ozuzo urea adọtala ọtụtụ ndị mmadụ. amara ma dọta uche na nyocha dị ukwuu site n'aka ọtụtụ ndị ọkà mmụta ugbu a.

4. Ịgba granulation

Ịgba granulation technology nwere uru nke elu akpaaka, elu mmepụta arụmọrụ na elu àgwà nke akwụkwọ ndụ akwụkwọ ndụ ntụ ntụ, otú spray granulation aghọwo a na-ejikarị ntụ ntụ granulation usoro.

Na-adịbeghị anya, oriri nke obere ụwa na omenala ubi agbanwebeghị isi, ma ya ngwa na ọhụrụ ihe amụbawo doro anya. Dị ka ihe ọhụrụ, nano Y₂O₃nwere mpaghara ngwa ngwa. Ugbu a, enwere ọtụtụ ụzọ iji kwadebe nano Y₂O₃ihe, nke enwere ike kewaa ụzọ atọ: usoro mmiri mmiri, usoro gas na usoro siri ike, n'etiti usoro mmiri mmiri na-ejikarị eme ihe. A na-ekewa ha n'ime pyrolysis spray, hydrothermal synthesis, microemulsion, sol-gel, combustion. njikọ na ọdịda. Otú ọ dị, spheroidized yttrium oxide nanoparticles ga-enwe ebe dị elu dị elu, ike elu, mma mmiri na mgbasa, nke kwesịrị ilekwasị anya.