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Ọganihu na nso nso a na ihe ịma aka nke ceramics AlON transperent

2023-05-10

A na-enyocha ceramics na ihe mejupụtara ha maka ngwa dị iche iche n'ihi kemịkalụ na physics pụrụ iche ha [1-7]. N'ime ha, ceramics transperent nwere ngwa dị ukwuu na ngalaba azụmahịa na ụlọ ọrụ ndị agha n'ihi njirimara ngwa anya, anụ ahụ na akụrụngwa [8-10]. N'ime ceramics transperent, transperent aluminum oxynitride (AlON) ceramics ka a na-ewere dị ka otu n'ime seramiki kachasị mkpa na domes, infrared na windo a na-ahụ anya, na ngwa agha transperent, wdg [11-13]. E jiri ya tụnyere otu sapphire kristal, bụ nke a maara nke ọma dị ka ceramics transperent kacha sie ike, polycrystalline AlON ceramics nwere àgwà yiri nke ahụ na ike, ike, na ngwa anya, ma na-enyekwu mgbanwe na nha na ọdịdị [14,15]. Ya mere, ceramics AlON adọtawo nyocha na-eto eto. γ-AlON bụ ngwọta siri ike nke Al₂O₃ na AlN [16,17]. Achọpụtala ọtụtụ ụzọ iji kwadebe AlON ntụ ntụ ma ọ bụ ceramics AlON, dị ka mmeghachi omume steeti siri ike [18], usoro carbonization maka Al₂O₃ [19,20], ntinye mmiri nke kemịkal [21], usoro sol-gel [22,23], na ngwọta combustion njikọ [24]. A tụrụ oghere band nke AlON ka ọ bụrụ 6.2 eV [25]. TU et al [26] jiri usoro iwu density functional theory (DFT) were mụọ mmasị na saịtị nke Al vacancy na Natoms na γ-AlON. Ọdịiche nke band na nnukwu modulus structural model nke γ-AlON, dị ka usoro mpaghara nke Al₂₃O₂₇N₅ gbakọọ ka ọ bụrụ 3.99 eV nke N atọm na Al ohere na γ-AlON abụghị yana 200.9 GPa, otu n'otu. Nyere a sara mbara gbalaga doro anya. A na-egosipụta njirimara nke γ-AlON na oghere yana ike foton dị ala na tebụl dị elu 1 [14].

Nkwụsi ike nke njedebe, enyochala seramiiki AlON dị ka matriks phosphor. Dị ka phosphor upconversion photo-luminescence (UCPL), AlON nwere ike doped na dị iche iche ụwa ọcha ọcha, dị ka Eu₂ + [27], Yb₃ + [28], Tm₃ + [29] na Ce₃ + [30]. N'oge na-adịbeghị anya, enyo ndị dabeere na AlON dị ọnụ ala jikọtara ya na 4-dimethyl-amino-N-methyl-4- stilbazoliumtosylate (DAST) oyi akwa [31] na ihe nkiri VO₂ dị mkpa na AlON transperent [32] nwere. nwere ike ngwa na smart windows. ALON (5) -DAST (90) -ALON (5) na-egosipụta enyo windo azụmahịa nke ụlọ ọrụ na nkwupụta nke dị ọnụ ala, dị arọ, na nke siri ike [31]. Ọzọkwa, a kwadebere Ti6Al4V nke ọma na seramiiki AlON site na usoro brazing nke na-arụ ọrụ, na ihe mejupụtara ahụ gosipụtara ihe ndị pụtara ìhè n'ọrụ [33]. Ekwesiri ighota na ihe mgbakwunye ohuru nke H₃BO₃ [34] na ihe nke uwa (Sc, La, Pr, Sm, Gd, Dy, Er, na Yb) [35] dị iche na nke Y₂O₃, La₂O₃, na MgO. Ọ bụ ezie na usoro ndị a na-emeziwanye nke ọma, ihe mgbakwunye ọhụrụ sintering, ihe mgbagwoju anya nke ụwa doping na ngwa nyocha ọhụrụ, wdg, ka emepụtara nke ọma, nchịkọta usoro, nke ezubere iche na nke ọhụrụ ka na-enweghị [11,13,36,37]. Ọzọkwa, ụfọdụ nsogbu a na-edozibeghị na ihe ịma aka ọhụrụ nke ceramics AlON na-egbochi nkwalite azụmahịa na ngwa ha. Ya mere, isiokwu a na-ewe nyocha kachasị ọhụrụ na nke dị oke egwu nke ceramics AlON transperent n'ihe gbasara ụzọ nkwadebe, ntinye ihe mgbakwunye, teknụzụ na-eme ihe, ihe ịma aka na atụmanya mmepe.


Igha 1

  Igha 1

    

                  Tebụl 1 Njirimara nke γ-AlON [14]                          

okeuru
Njupụta/(g·cm-3)3.71
Paramita Lattice/Å7.947
Ebe mgbaze/°C2140
Ụdị nke ntorobịa/GPa323.6
Shear modulus/GPa130.4
Microhardness/GPa19.5
Oke Poisson, μ0.24
Ike na-ehulata/MPa300.1 ± 34.5
Mgbasa ọkụ/°C-17.8 × 10−6
Nrụpụta okpomọkụ/(W·m-1 · K-1)12.6
Ntụgharị ntụgharị (Λ=4.0 μm)/%1.66
Mgbaji siri ike/(MPa·m1/2)2.0

AlON nwere usoro ọkpụkpụ cubic nwere otu oghere nke Fd3m [38,39]. Dị ka e gosiri na Fig. 1 [40], N na O atọm dị na saịtị 32e, na Al atọm dị na saịtị 16d na 8a. Dabere na nsonaazụ nnwale na usoro iwu

Na 1964, eserese nke mbụ nke ọnụọgụ abụọAl₂O₃-Ebipụtara ihe mejupụtara AlN bụ LEJUS [43]. Mgbe ahụ, MCCAULEY et al [44,45] kọrọ nkọwa zuru oke nke nhazi nhazi nke pseudo-binary Al₂O₃-AlN n'okpuru nitrogen na-asọ asọ na 1.013 × 105 Pa, dị ka egosiri na Fig. 2 [44]. E wezụga nnwale mkpebi siri ike, mgbako, mgbe niile anion Ọdịdị nlereanya nke AlON nwere ike kọwara site usoro nke Al(64+x)/3V(8-x)/3O32-xNx, ebe 2≤x≤5 [39-42]. Otú ọ dị, ọ na-esiri ike ikwenye na ezi uche dị na ụfọdụ ndị nchọpụta agbalịwo ịgbakọ mpaghara nkwụsi ike AlON na usoro pseudo-binary Al₂O₃-AlN dabere na data nnwale na data thermodynamic dị nke eserese nha nha nha [36,46-49]. . Agbanyeghị, nkewa nke usoro na-eme na nnwale ndị ahụ ka enweghị ike gbanwee n'ihi ozi nnwale dị ntakịrị. 

Igha 2

Igha 2

A maara nke ọma na ceramics na-egosipụta ọka, oke ọka, na porosity, wdg (Fig 3.)[50,51]. Dị ka e kwuru na mbụ, AlON ceramics nwere usoro isotropic cubic lattice, nke bụ otu n'ime isi ihe kpatara na ha nwere ike ịpụta ìhè. N'ime isi mmalite ndị na-agbasa ìhè, porosity bụ ihe kachasị mkpa iji chọpụta ma ceramik nwere ike ịpụta ìhè ma ọ bụ na ọ bụghị. Ibelata porosity kwesịrị ịdị ukwuu karịa 99.9% nke njupụta usoro, na nha nke pores na oke ọka kwesịrị ịdị obere karịa ogologo ogologo nke ìhè ma ọ bụ na ọ gaghị adị. Oke ọka bụ ọnụnọ a na-apụghị izere ezere na ceramik ma nwee mmetụta dị ukwuu na nghọta. Yabụ, a na-atụ anya na oke ọka nwere oke dị elu na ọka nwere obere nha na nha nha ga-enweta ceramics AlON dị elu. Iji ihe mgbakwunye ndị na-eme ihe na-eme ka ọ bụrụ ihe na-eme ka ọ ghara ịdị na-ekpochapụ pores ndị fọdụrụ n'oge nkwụsịtụ, ma ọ ga-eme ka ebe ọhụrụ gbasaa ọkụ na ceramik, usoro nke abụọ, na ntinye. Dị ka isi mmalite abụọ dị mkpa na-agbasa ọkụ, porosity na oke ọka kwesịrị ibelata dị ka o kwere mee. SHAHBAZI et al [51] kọwara ceramics transperent, parampat dị irè na nghọta, Mie theory, na Fraunhofer tiori n'ụzọ zuru ezu.

FIG3

Igha 3 

Ka ọ dị ugbu a, a kọwo ọtụtụ ụzọ iji kwadebe ike AlON ma ọ bụ ceramics AlON, dị ka mmeghachi omume siri ike [18,52-55], usoro carbonization sitere na Al₂O₃ [19,56-61], kemịkalụ vapor deposition [21,62] ], na usoro sol-gel [22,63]. Ọtụtụ n'ime ọmụmụ ihe ahụ lekwasịrị anya na mmeghachi omume steeti siri ike nke Al₂O₃ na AlN na oke okpomọkụ yana usoro carbonization maka mbelata Al₂O₃.

Usoro steeti siri ike bụ ụzọ dị mfe na nke a na-ahụkarị maka nkwadebe nke ọtụtụ ogige. Otu n'ime uru kachasị mma nke mmeghachi omume siri ike na steeti dị elu bụ na enwere ike nweta ngwa ngwa ngwa ngwa. Enwere ike ịkọwa mmeghachi omume nke Al₂O₃ na AlN maka nhazi AlON dị ka 5AlN+9Al₂O₃→ Al₂₃O₂₇N₅[13,64]. Ike Al₂O₃ na AlN dị ọcha dị n'ahịa ma enwere ike iji ya mepụta ike AlON ma ọ bụ ọbụna ceramik translucent AlON. Nkwadebe nke otu nzọụkwụ nke ceramics AlON nwere ike ọ bụghị nanị na ọ ga-ebelata ọnụ ahịa nkwụsịtụ ma mee ka usoro nchịkọta dị mfe yana dị mfe iji nweta nnukwu mmepụta ihe. Otú ọ dị, enwere ike ikpokọta ma ọ bụ gwakọta ntụ ntụ na-enweghị ihe ọ bụla, na-ebute nghọta na-adịghị mma nke ceramik AlON. Ka ọ dị ugbu a, ultrafine AlN dị ọcha dị oke ọnụ, nke na-abawanye ọnụ ahịa nrụpụta. Dị ka e gosiri na fig. 4 (a), MCCAULEY na ORBIN [52] bu ụzọ kwadebe diski translucent AlON ma gosipụta eserese oge okpomọkụ a nụchara anụcha nke AlON n'akụkụ pseudordinary Al₂O₃-AlN jikọrọ ọnụ. Ejiri usoro sintering nke usoro mmiri mmiri wee mepụta ceramik AlON nke PATEL et al [65]. α- Al₂O₃ dị na 27-30 mol.% bụ nke mbụ agwakọtara ya na AlN. Mgbe ahụ, a na-agbanye ngwakọta ahụ n'ime pellets mgbe a gụchara bọlbụ. A na-agbanye pellets ndị ahụ na 1950-2025 Celsius C maka 10-60 min, na akụkụ ihe nwere ike ịmepụta usoro mmiri mmiri iji kwalite sintering n'oge a. Na-esote, usoro okpomọkụ dara site na 50-100 Celsius C ma debe ya maka 8-20 h ọzọ iji meziwanye njupụta na nghọta. CHEN et al [66] bu ụzọ mepụta usoro nke AlON dị ọcha: ike Ce3 + na 1780 Celsius C na nitrogen, wee nweta ceramik zuru oke na nke AlON: Ce3+ site na mmiri mmiri na-enyere aka na-enweghị nrụgide na 1900 Celsius C maka awa 20. (Fig. 4 (a) na (b)). E wezụga kpọmkwem njikọ nke eji usoro iji kwadebe AlON powders na translucent AlON ceramik site a siri ike-ala n'ọrụ na-emepụta AlON ceramik. Isi usoro, LI et al [67] jiri Al₂O₃ na AlN powders uru nke usoro a dabere na ọnụ ala dị ka akụrụngwa iji mepụta ngwa ngwa ngwa ngwa otu ngwa ngwa yana ohere maka ike AlON ụlọ ọrụ na mbụ site na steeti siri ike. usoro. Mgbe ahụ, mmepụta. Otú ọ dị, ọnọdụ sintering bụ ndị a kwadebere AlON ntụ ntụ na-akụda n'ime ọmarịcha mgbagwoju anya, ọ na-esikwa ike ịchịkwa mole AlON powders, dị ka egosiri na fig. 4 (d) na (e). The ruru nke Al₂O₃ ka C, na AlON bụ mfe transperent AlON seramiiki e mepụtara site decomposed n'ime Al₂O₃ na AlN na N2pressureless sintering nwetara mma AlON ikuku na a elu okpomọkụ. Ntụ ntụ ndị a niile, yana nnyefe in-line nke AlON nwere ike ibute ntụ ntụ AlON adịghị ọcha. seramiiki dị elu dị ka 84.3% (d100 mm × 1 mm) na JIN et al [68] bu ụzọ mepụta Al₂O₃ / 3.7 μm (Fig. 4 (f) na (g)).

FIG4

Igha 4 

Mbelata carbothermal na ngwakọta nitridation carbothermal nitridation, dị ka egosiri na fig. 5 (a-c). N'oge usoro, carbon oyi akwa (CRN) obibia bu ụzọ na-emepụta na Al₂O₃ urughuru n'elu hụrụ ike na compound nke AlON site YAMAGUCHI na retard na coalescence na uto nke Al₂O₃ YANAGIDA na 1959 [39]. CRN bụ ọtụtụ irighiri ihe. N'ikpeazụ, transperent AlON ceramics na kacha in-line transmittance n'elu 80% na 2000 nm nwere ike nweta site na abụọ-nzọụkwụ carbothermal nitridation usoro na nitrogen na 1950 Celsius C maka 8 h (Fig. 5 (d)). SHAN et al [69] kọrọ na ma a bimodal (~ 1.1 μm na ~ 2.2 μm) na otu unimodal (~ 1.1 μm) AlON ntụ ntụ nwere ike nweta site na iji bọlbụ igwe nri nke ntụ ntụ AlON dị njikere site na usoro CRN. Fig 5 (e) na (f)). Ha chọpụtara na ntụ ntụ AlON nwere nkesa nha nha nke bimodal (PSD) nwere densification ngwa ngwa n'oge usoro ihe nkesa, yana ọmarịcha AlON ceramics nke nwere ihe ruru 82.1% infrared transmittance na ~ 3600 nm bụ enweghị nrụgide na nitrogen na 1820 Celsius C maka awa 2.5. (Fig 5 (g))


FIG5

Igha 5

YUAN et al [70] kwadebere nke ọma na nke dị ọcha γ-AlON ntụ ntụ site na usoro nchịkọta (Figs. 6 (a) na (b)). Ha gara n'ihu jiri γ-AlON powders na-emepụta ceramics AlON ma mụọ mmetụta nke ejima lamellas na ike ọrụ ha (Figs. 6 (c-j)) [71]. Ha chọpụtara na lamellas ejima na oke na-ebili na mmụba nke nkezi nke ọka na nnukwu ceramics AlON, bụ nke na-enye ụzọ dị mma iji kwalite ceramics transperent na nnukwu ọka. 

Ruo ugbu a, e nwekwara ụzọ ndị ọzọ a nyochara iji mepụta ntụ ntụ AlON ma ọ bụ ceramik. Dịka ọmụmaatụ, ASPAR et al [62] kwadebere ogige AlON site na iji amonia, trimethyl-aluminium, na nitrous oxide site na nsị kemịkalụ.CVD) usoro. Achọpụtara na okpomọkụ na nrụgide na-enwe mmetụta dị ukwuu na nhazi nha nhata site n'ịgbanwe ọnụọgụ CO dị ugbu a. IRENE et al [21] tinyekwara usoro CVD iji mepụta ihe nkiri AlxOyNz na silicon. N'ụzọ dị mkpa, enwere ike ịchịkwa usoro ahụ site n'ịgbanwe nha nke NH₃ / CO₂ gas na nkwadebe okpomọkụ KIM et al [72] mepụtara usoro sol-gel nke dị ala iji nweta usoro Al-ON, ọ bụ ezie na ọ nwere ike isi ike ijikwa ya. nitride precursor nke hydrazine na usoro a. Achọpụtara ụfọdụ ihe nitriding ndị ọzọ na nyocha ha gara n'ihu. KIKKAWA et al [73] na-emepụta AlON site na amonia nitridation nke oxide precursor, nke emepụtara site na peptizing gel glycine na aluminum nitrate. Tụkwasị na nke ahụ, emebela onye na-ahụ maka plasma iji mepụta AlON nanopowders dị ka mmekọrịta nke Al ntụ ntụ na amonia na ikuku na plasma thermal nitrogen plasma [74] Usoro, kemịkalụ, na mgbasa ozi nke nano- powders a kwadebere na-ejikọta ya na Usoro plasma paramita na reactor imewe.

Iji nweta ceramics AlON dị elu, a ga-agbakwunye ihe ndị na-emepụta ihe na-eme ka ọ ghara ikpochapụ oghere ndị fọdụrụ n'oge nkwụsịtụ, nke bụ ebe mgbasa ọkụ. N'oge a, ihe mgbakwunye dị iche iche maka AlON, dị ka Y₂O₃, La₂O₃, MgO, SiO₂, na CaCO₃, enyochala nke ọma [67-69,75-80]. Dị ka ụdị nke ihe mgbakwunye sintering si dị, anyị chịkọtara ihe ngosi nghọta nke AlON ceramics na ihe mgbakwunye dị iche iche nke sintering, dị ka e gosiri na Tebụl 2. Dịka ọmụmaatụ, SHAN et al [69] kọrọ na nnyefe in-line nke AlON seramiiki (3). mm na ọkpụrụkpụ) bụ 82.1% na ogologo ifegharị nke 3600 nm na 0.5 wt.% Y₂O₃. Ejiri SiO₂ mbụ rụọ ọrụ dị ka ihe mgbakwunye sintering maka seramiiki AlON (Fig 7 (b)) [76]. Ha chọpụtara na nnyefe ntanetị nke AlON seramiiki ruru 86% (3.5 mm na ọkpụrụkpụ) na 2000 nm ma ọ naghị emetụta ntinye ntinye na 0.15-0.55 wt.% SiO2. Ụfọdụ ndị na-eme nchọpụta jiri ụdị ihe mgbakwunye abụọ na-emepụta ihe na-emepụta ceramics AlON dị elu. WANG et al [81] jiri 0.12wt.% Y₂O₃−0.09wt.% La₂O₃ dị ka ihe mgbakwunye maka ceramics AlON, na-enweta nnyefe nke 80.3% (2 mm na ọkpụrụkpụ) na 400 nm (Fig 7 (a)) . Ha kọrọ na Y₃ + na La₃ + nwere mmetụta synergistic na uto ọka na Y₃ + na-eme ka ngagharị nke oke ọka na-akwalite uto ọka ebe La₃ + na-egbochi uto ọka. JIN et al [68] sintered AlON ceramics na-eji ụdị ihe mgbakwunye atọ nke sintering na-enweghị nrụgide, nke 0.1 wt.% MgO mejupụtara, 0.08 wt.% Y₂O₃, na 0.025 wt.% La₂O₃, wee nweta nnyefe (ego nke 81% na 1 mm). ọkpụrụkpụ) na 1100 nm. N'oge na-adịbeghị anya, Y₂O₃-La₂O₃- MnO dị ka ihe mgbakwunye singtering mejupụtara iji mepụta ceramics AlON transperent nke WANG et al [81] (Fig. 7 (d) nyochara). MILLER na KAPLAN [82] mụrụ oke solubility nke ihe mgbakwunye sintering na AlON site na iji spectroscopy wavelengthdispersive spectroscopy nke etinyere na microscope eletrọn na-enyocha. Ha chọpụtara na njedebe solubility nke La, Y, na Mg na AlON na 1870 ° C bụ (498 ± 82) × 10-6, (1775 ± 128) × 10-6, na> 4000 × 10-6, n'otu n'otu. 


FIG7

Igha 6

Na mgbakwunye na ihe mgbakwunye Sintering nke Y₂O₃, La₂O₃, na MgO, a nyochakwara ihe mgbakwunye ọhụrụ nke H₃BO₃ dabere na ternary composite [34] na ihe ndị dị n'ụwa [35]. Dị ka e gosiri na fig. 8 (a) na (b), ihe dị iche iche na-adịghị ahụkebe nke ụwa (Sc, La, Pr, Sm, Gd, Dy, Er, na Yb) ka enyochara nke ọma dị ka ihe mgbakwunye na-atụgharị maka ceramik AlON, n'otu n'otu. Achọpụtara ya na ceramics AlON nwere 0.1 wt.% Pr-nitrate gosipụtara nnyefe kachasị elu nke ~ 80% site na nkwụsị ụkwụ abụọ na-enweghị nrụgide (Fig 8 (c)), na-egosi na ihe ndị dị n'ụwa na-adịghị ahụkebe nwere ike ịbụ ihe na-ekwe nkwa singing ọzọ. mgbakwunye. N'oge na-adịbeghị anya, iji Y₂O₃-MgAl₂O₄-H₃BO₃ dị ka ihe mgbakwunye na-emekọ ihe, YANG et al [34] nwetara AlON ceramic na nnyefe nke 81% (4 mm na ọkpụrụkpụ) na 600 nm site na otu nzọụkwụ na-arụ ọrụ sintering mgbe H₃ ọdịnaya bụ 0.12 wt. (Fig 8 (d)). 


FIG8

Igha 7


      Tebụl 2 nsonaazụ nghọta nke ceramik AlON nwere ihe mgbakwunye dị iche iche nke sintering

Ụdị mgbakwunye singeringY₂O₃ ọdịnaya/wt.%La₂O₃ ọdịnaya/wt.%Ọdịnaya MgO/wt.%SiO₂ ọdịnaya / wt.%CaCO₃ ọdịnaya / wt.%Ogologo ogologo/nmnnyefe/%Oke / mmOnye na-egbu egwuregwu.
1



0.15-0.55
2000863.5[76]




0.43700853[79]
0.5



370084.31[67]
0.5



360082.13[69]

0.02


110074.64.2[75]
20.120.09


40080.32[80]
0.4
0.25

200086.11[78]
0.05
0.2

2000841.5[77]
30.080.0250.1

1100811[68]


Tupu ịmegharị, a na-etolite pellets akwụkwọ ndụ akwụkwọ ndụ nke AlON ntụ ntụ site na usoro akọrọ, gụnyere uniaxial press under pressure na oyi isostatic press, ma ọ bụ site na mmiri mmiri, gụnyere gel-casting [8,63,83]. Achọpụtala ọtụtụ teknụzụ na-eme mkpọtụ iji kwadebe ceramik AlON, dị ka sintering enweghị nrụgide [56,58,67,68,77,79], vacuum sintering [65], hot-press [84], microwave sintering [85,86], spark plasma sintering [87-89] na ọkụ isostatic ịpị [75,76,78,90,91]. A na-egosi uru na ọghọm nke usoro nkwadebe nkịtị nke AlON seramiiki na tebụl 3. Nrụgide na-enweghị nrụgide bụ nkà na ụzụ na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe dị iche iche nke AlON ceramics dị iche iche na ụdị dị iche iche. Otú ọ dị, okpomọkụ dị elu, ogologo oge nkwụsịtụ na ihe mgbakwunye na-achọkarị iji nweta ceramik AlON dị elu. LI et al [67] kọrọ ọnụ ọgụgụ dị ukwuu nke ceramics AlON transperent nwere akụkụ nke d100 mm × 1 mm site na nrụgide na-enweghị nrụgide na 1950 Celsius maka awa 12 n'okpuru ikuku N2 na-asọba na ọkụ graphite. Nbufe in-line nke seramiiki AlON (1 mm na ọkpụrụkpụ) bụ 84.3% na 3.7 μm wavelength yana 0.5 wt.% Y₂O₃. Vacuum sintering bụ nkà na ụzụ sintering dị irè iji kpochapụ gas sitere na seramiki [92]. PATEL et al [65] jiri ikike Al2O3 na AlN dị ọcha dị ka akụrụngwa iji mepụta ceramics translucent AlON na 2000 Celsius maka 8 h na 32 MPa nke nrụgide n'okpuru ọkụ-pịa, na-eso na 1900 Celsius C karịa 8. h na oghere. Enwere ike iji ikpo ọkụ na-ekpo ọkụ (HP) rụọ ọrụ iji tinye nrụgide axial iji mee ka mmegharị nke ike mee ngwa ngwa ma mee ka pellet akwụkwọ ndụ akwụkwọ ndụ zuru oke na obere okpomọkụ. Ma HP sintering adịghị adabara iji kwadebe nnukwu na mgbagwoju anya samples, na mmepụta bụ nnukwu ọnụ ahịa, na adịghị ọcha na ntụpọ nwere ike ewebata. A chọrọ usoro nzisa ozi iji wepụ mmetọ carbon [8]. TAKEDA na HOSAKA [84] nwetara transperent λ-AlON seramiiki na 1900 Celsius C maka 1 h na 20 MPa nke nrụgide n'okpuru ọkụ-pịa. Microwave sintering nwere ike dị elu, na-echekwa ego, Okpomọkụ dị ntakịrị, mmeghachi omume siri ike, na ọnụ ọgụgụ ịrị elu. N'ime usoro ngwa ndakwa nri, ike ngwa ndakwa nri agbanwere nwere ike ikpo ọkụ n'ime oke nlele n'onwe ya. CHENG et al [85] were iwe na AlON gbanyere na 1800 Celsius maka awa 1 n'oge usoro microwave nwere ngụkọta nnyefe nke 60%. Spark plasma sintering (SPS), nke a na-akpọkwa pulsed electric current sintering, nwere ike ghọta ceramik transperent nwere ezigbo ọka n'ihi obere oge ya na obere okpomọkụ site na enyemaka nke pulsed DC n'okpuru nrụgide. Ya mere, enwere ike ibelata uto ọka. SHAN et al [87] na-emepụta ceramics AlON dị elu site na SPS na obere okpomọkụ nke 1600 Celsius C na ọkụ ọkụ ngwa ngwa nke 50-250 ° C / min n'okpuru nrụgide nke 60 MPa. Oke kachasị nke ceramics AlON enwetara (1.4 mm na ọkpụrụkpụ) bụ 80.6%. 


FIG8

Igha 8


Tebụl 3 Uru na ọghọm nke ụzọ nkwadebe nkịtị nke AlON seramiiki

Usoro nkwadebeAdvantageMwepu
Sintering enweghị nrụgideUsoro dị mfe, kwesịrị ekwesị iji kwadebe ihe atụ buru ibu na mgbagwoju anya, ihe dị ala na-achọ na ngwá ọrụ, na mmepụta dị eluObere ike arụmọrụ, na ogologo sintering oge
Vacuum sinteringUsoro dị mfe, kwesịrị ekwesị iji kwadebe ihe atụ buru ibu na mgbagwoju anya, ihe dị ala na-achọ na ngwá ọrụ, na mmepụta dị eluObere ike arụmọrụ, na ogologo sintering oge
Ihe na-akpali akpali nke plasmaỊrụ ọrụ ike dị elu, okpomọkụ dị ala, oge nkwụsịtụ dị mkpirikpi, na ichekwa ọnụ ahịaỌ bụghị ihe kwesịrị ekwesị iji kwadebe ihe atụ buru ibu na mgbagwoju anya, ihe dị elu chọrọ na akụrụngwa, na mmepụta dị ala
Microwave sinteringỊrụ ọrụ ike dị elu, okpomọkụ dị ala, oge nkwụsịtụ dị mkpirikpi, na ichekwa ọnụ ahịaỌ bụghị ihe kwesịrị ekwesị iji kwadebe ihe atụ buru ibu na mgbagwoju anya, ihe dị elu chọrọ na akụrụngwa, na mmepụta dị ala
Hot-pịa sinteringNnukwu nnyefe, njupụta dị elu, yana pores fọdụrụnụ dị alaỌ bụghị ihe kwesịrị ekwesị iji kwadebe ihe atụ buru ibu na mgbagwoju anya, nnukwu ihe achọrọ na akụrụngwa, mmepụta dị ala, usoro mgbagwoju anya, na ọnụ ahịa dị elu
Na-ekpo ọkụ isostatic ịpịNnukwu nnyefe, njupụta dị elu, yana pores fọdụrụnụ dị alaỌ bụghị ihe kwesịrị ekwesị iji kwadebe ihe atụ buru ibu na mgbagwoju anya, Nhọrọ dị elu na akụrụngwa, mmepụta dị ala, usoro mgbagwoju anya, na ọnụ ahịa dị elu


 Mpịakọta isostatic na-ekpo ọkụ (HIP) bụ nkà na ụzụ sintering kachasị ike iji nweta njupụta kachasị na ceramics na-ebufe ngwa anya dị elu site n'ikpeazụ ibelata pores fọdụrụnụ na seramiki [8,11,93,94]. N'oge ikpo ọkụ dị elu, a pụrụ itinye ngwa HIP site na nrụgide gas isostatic. Ọgụgụ 9 na-egosi eserese schematic nke ihe atụ microstructure maka mkpochapụ pore site na HIP [8,95]. Dị ka ọ na-adịkarị, ọ na-esi ike nke ukwuu ikpochapụ pores ndị fọdụrụ site na teknụzụ ndị ọzọ na-eme mkpọtụ. A na-achọ usoro HIP ọzọ iji kpochapụ pores fọdụrụnụ ma mee ka njupụta na nnyefe dị nso na ọnụ ahịa echiche. 


FIG9

Igha 9


Ọrụ a kwadoro site na Jiangxi Provincial Natural Science Foundation, China (Mba. 20192BAB216009), Science and Technology Planning Project nke Hunan Province, China (Ee. 2019WK2051), na Science and Technology Project nke Changsha, Hunan, China (Mba. kh2003023).






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ACME Xingsha Industrial Park, East Liangtang Rd. , Changsha City, Hunan
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+ 86-151 7315 3690(Jessie Mobile)
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gbasara Anyị

Tọrọ ntọala na 1999, ACME (Advanced Corporation for Materials & Equipments) dị na Xingsha Industrial Park, nke nwere mpaghara 100,000 m2. ACME bụ ụlọ ọrụ teknụzụ dị elu ọkachamara n'ichepụta akụrụngwa kpo oku ụlọ ọrụ maka ihe ọhụrụ na ume ọhụrụ.Amụma nzuzo | Usoro na ọnọdụ

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