Rauemi – Uku

♦Alumina(Al2O3)

Ko ngā wāhanga uku tino tika i hangaia e ZhongHui Intelligent Manufacturing Group (ZHHIMG) ka taea te hanga mai i ngā rauemi mata uku tino parakore, 92~97% alumina, 99.5% alumina, >99.9% alumina, me te pēhi matao CIP. Ko te sintering pāmahana teitei me te miihini tino tika, te tika o ngā āhuatanga ± 0.001mm, te maeneene tae atu ki te Ra0.1, ka taea te whakamahi i te pāmahana tae atu ki te 1600 nekehanga. Ka taea te hanga i ngā tae uku rerekē kia rite ki ngā hiahia o ngā kiritaki, pēnei i te: mangu, mā, beige, whero pouri, me ētahi atu. Ko ngā wāhanga uku tino tika i hangaia e tā mātou kamupene he ātete ki te pāmahana teitei, te waikura, te kakahu me te whakamarumaru, ā, ka taea te whakamahi mō te wā roa i roto i te taiao pāmahana teitei, korehau me te hau waikura.

E whakamahia whānuitia ana i roto i ngā momo taputapu whakaputa haurua-ira: Ngā Anga (taupoki uku), Papa (turanga), Ringa/Piriti (kaiwhakahaere), Ngā Wāhanga Mīhini me te Pei Hau Uku.

AL2O3

Ingoa Hua Ngongo/Paipa/Toka Tapawhā Ukume 99 Arumina Parakore Teitei
Rārangi Wāhanga 85% Al2O3 95% Al2O3 99% Al2O3 99.5% Al2O3
Kiato karamu/cm3 3.3 3.65 3.8 3.9
Te mimiti wai % <0.1 <0.1 0 0
Te pāmahana whakatōtō 1620 1650 1800 1800
Te pakeketanga Mohs 7 9 9 9
Kaha Piko (20℃)) Mpa 200 300 340 360
Kaha Pehi Kgf/cm2 10000 25000 30000 30000
Te pāmahana mahi roa 1350 1400 1600 1650
Te pāmahana mahi mōrahi 1450 1600 1800 1800
Ātete Rōrahi 20℃ Ω. cm3 >1013 >1013 >1013 >1013
100℃ 1012-1013 1012-1013 1012-1013 1012-1013
300℃ >109 >1010 >1012 >1012

Te whakamahinga o ngā uku alumina parakore teitei:
1. Whakamahia ki ngā taputapu haurua-haurua: te pūwero uku, te kōpae tapahi, te kōpae horoi, te PŪWERO uku.
2. Ngā wāhanga whakawhiti angaanga: ngā pūwero whakahaere angaanga, ngā kōpae tapahi angaanga, ngā kōpae horoi angaanga, ngā kapu momi tirotiro whatu angaanga.
3. Te ahumahi whakaaturanga papatahi LED / LCD: pūwero uku, kōpae huri uku, PIN HIKI, reri PIN.
4. Whakawhitiwhiti kōrero whatu, ahumahi pūngao rā: ngongo uku, tokotoko uku, tā mata papa hiko waru uku.
5. Ngā wāhanga ātete-wera me te ārai-hiko: ngā peera uku.
I tēnei wā, ka taea te wehewehe i ngā uku konumohe waikura ki ngā uku tino parakore me ngā uku noa. Ko te raupapa uku konumohe waikura tino parakore e pā ana ki te rauemi uku kei roto neke atu i te 99.9% Al₂O₃. Nā te pāmahana whakawera o te 1650 - 1990°C me te roangaru tuku o te 1 ~ 6μm, ka tukatukahia hei karāhe hanumi hei utu mō te ipu konukawata: ka taea te whakamahi hei ngongo konutai nā te mea he kaha ki te whakawhiti mārama me te ātete ki te waikura kawakore. I roto i te umanga hiko, ka taea te whakamahi hei rauemi ārai auau-teitei mō ngā papa IC. E ai ki ngā ihirangi rerekē o te konumohe waikura, ka taea te wehewehe i te raupapa uku konumohe waikura noa ki ngā uku 99, ngā uku 95, ngā uku 90 me ngā uku 85. I ētahi wā, ko ngā uku he 80%, 75% rānei o te konumohe waikura ka whakarōpūtia hoki hei raupapa uku konumohe waikura noa. I roto i ēnei, ka whakamahia te rauemi uku konumohe waikura 99 hei hanga i te para pāmahana teitei, te ngongo oumu ātete ahi me ngā rauemi ātete-kakahu motuhake, pērā i ngā peera uku, ngā hiri uku me ngā pereti takirere. Ko te uku konumohe 95 te nuinga o te wā e whakamahia ana hei wāhanga ātete-kakahu ātete-waikura. He maha ngā wā ka whakaranua ngā uku 85 ki ētahi āhuatanga, kia pai ake ai te mahi hiko me te kaha miihini. Ka taea te whakamahi i te molybdenum, te niobium, te tantalum me ētahi atu hiri whakarewa, ā, ko ētahi ka whakamahia hei taputapu korehau hiko.

 

Taonga Kounga (Uara Māngai) Ingoa Hua AES-12 AES-11 AES-11C AES-11F AES-22S AES-23 AL-31-03
Hanganga Matū Hua Sintering Ngāwari-Konutai Iti H₂O % 0.1 0.1 0.1 0.1 0.1 0.1 0.1
LOl % 0.1 0.2 0.1 0.1 0.1 0.1 0.1
Fe₂0₃ % 0.01 0.01 0.01 0.01 0.01 0.01 0.01
SiO₂ % 0.03 0.03 0.03 0.03 0.02 0.04 0.04
Na₂O % 0.04 0.04 0.04 0.04 0.02 0.04 0.03
MgO* % - 0.11 0.05 0.05 - - -
Al₂0₃ % 99.9 99.9 99.9 99.9 99.9 99.9 99.9
Te Diameter Matūriki Waenga (MT-3300, tikanga tātari taiaho) µm 0.44 0.43 0.39 0.47 1.1 2.2 3
Rahi o te Tioata α µm 0.3 0.3 0.3 0.3 0.3 ~ 1.0 0.3 ~ 4 0.3 ~ 4
Te Matotoru Hanga** karamu/cm³ 2.22 2.22 2.2 2.17 2.35 2.57 2.56
Te Matotoru o te Sintering** karamu/cm³ 3.88 3.93 3.94 3.93 3.88 3.77 3.22
Te Tere Whakaiti o te Raina Sintering** % 17 17 18 18 15 12 7

* Kāore te MgO i te whakaurua ki te tatau i te parakore o te Al₂O₃.
* Kore paura tauine 29.4MPa (300kg/cm²), ko te pāmahana whakawera he 1600°C.
AES-11 / 11C / 11F: Tāpirihia te 0.05 ~ 0.1% MgO, he tino pai te kaha ki te whakapūmau, nō reira ka taea te whakamahi mō ngā uku konumohe waikura he nui ake i te 99% te parakore.
AES-22S: He nui te kiato hanga me te iti o te tere mimiti o te raina sintering, e tika ana mō te whakarewanga ahua paheke me ētahi atu hua tauine nui me te tika o ngā āhuatanga e hiahiatia ana.
AES-23 / AES-31-03: He nui ake te matotoru o te hanganga, he thixotropy, ā, he iti iho te matotoru i te AES-22S. Ko te mea tuatahi e whakamahia ana mō ngā uku, ko te mea tuarua e whakamahia ana hei whakaiti wai mō ngā rauemi ārai ahi, ā, e piki haere ana te rongonui.

♦Ngā Āhuatanga o te Hiraka Warowaihā (SiC)

Ngā Āhuatanga Whānui Te parakore o ngā wāhanga matua (wt%) 97
Tae Pango
Kiato (g/cm³) 3.1
Te mimiti wai (%) 0
Ngā Āhuatanga Mīhini Kaha piko (MPa) 400
Te tauwehenga taitamariki (GPa) 400
Te pakeketanga o Vickers (GPa) 20
Ngā Āhuatanga Wera Te pāmahana whakahaere mōrahi (°C) 1600
Tauwehenga whānui wera RT~500°C 3.9
(1/°C x 10-6) RT~800°C 4.3
Te kawe wera (W/m x K) 130 110
Ātete ru wera ΔT (°C) 300
Ngā Āhuatanga Hiko Ātete rōrahi 25°C 3 x 106
300°C -
500°C -
800°C -
Pūmau whakapūmau hiko 10GHz -
Ngaronga hiko-kore (x 10-4) -
Tauwehenga Q (x 104) -
Ngaohiko pakaru hiko (KV/mm) -

20200507170353_55726

♦Uku Nitride Hiraka

Rauemi Wāhanga Si₃N₄
Tikanga Sintering - Pēhanga Hauhangahia
Kiato karamu/cm³ 3.22
Tae - hina pouri
Te Auau Mimi Wai % 0
Modulus Rangatahi GPA 290
Te Pakari o Vickers GPA 18 - 20
Kaha Pehi Mpa 2200
Kaha Piko Mpa 650
Te Arahi Wera W/mK 25
Ātete Ru Wera Δ (°C) 450 - 650
Te Pāmahana Whakahaere Mōrahi °C 1200
Ātete Rōrahi Ω·cm > 10 ^ 14
Pūmau Whakakore Hiko - 8.2
Kaha Whakakorehiko kV/mm 16