Su ne Alumina Nneɛma Titiriw a Wɔde Di Dwuma

Alumina (nnuru a wɔde yɛ Al2O3) yɛ ade a ɛho hia a ɛnyɛ nea nkwa wom a ɛnyɛ -dade a ɛwɔ honam fam ne nnuru su a eye kyɛn so. Wɔde di dwuma kɛse wɔ nnwuma, ɛlɛtrɔnik mfiri, nnuruyɛ, ne nnwuma afoforo mu. Ne nneɛma titiriw bi ne -alumina ne -alumina, na alumina ahorow a ɛyɛ ahwehwɛ da nsonsonoe kɛse adi wɔ ne su ne dwumadie mu.

Alumina Nneɛma Ahorow Titiriw

1. -Alumina (Nkontaabu) .

-Alumina yɛ alumina a ɛyɛ ahwehwɛ a ɛyɛ den sen biara na ɛyɛ abɔdeɛ mu corundum (te sɛ ruby ​​ne sapphire) no fã titire. Ɛwɔ ahwehwɛ a ɛyɛ den, ɛyɛ den kɛse (Mohs hardness 9), ne nwene a ɛkɔ soro kodu 2050℃, na nnuru a ɛyɛ den yiye a ɛgyina pintinn na ɛko tia nsɛe a eye kyɛn so. Esiane saa su ahorow yi nti, wɔde -alumina di dwuma kɛse wɔ nneɛma a ɛko tia nsɛe, nnwinnade a wɔde twa dɔte, nneɛma a ɛmma ɔhyew a ɛkorɔn-yɛ, ne bearing a ɛyɛ pɛpɛɛpɛ mu.

2. -Alumina a ɛyɛ den

-Alumina yɛ aluminium oxide a ɛwɔ abon, a ɛkorɔn-fam-beae a wɔtaa yɛ denam aluminium hydroxide a wɔhyew so. Ne crystal nhyehyeɛ a ɛyɛ hare kakra no ma adsorption ne catalytic dwumadie a ɛkyɛn so, ɛma wɔtaa de di dwuma wɔ catalyst supports, gas adsorbents, ne lithium battery separators. -Alumina nso wɔ dwumadie a ɛho hia wɔ ceramics, polishing materials, ne mfuo foforɔ mu.

Alumina a Wɔde Di Dwuma Titiriw

1. Nnwumayɛbea Nkuku

Alumina dɔteɛ, ɛnam n’ahoɔden a ɛkorɔn, ɛyɛ den, ne ɔhyeɛ a ɛkorɔn-ɔhyeɛ a ɛko tia nti, wɔde di dwuma kɛseɛ wɔ mfiri nsɔano, ntama a ɛtumi nsɛe, ne ɛlɛtrɔnik substrates. -Alumina dɔteɛ da ahoɔden soronko adi, titire wɔ mmeaeɛ a ɛhɔ yɛ hyeɛ a ɛkorɔn, na ɛma ɛfata ma awieeɛ a ɛkorɔn.{4}}awieɛ nneɛma a wɔyɛ te sɛ ahunmu ne kar adwumayɛ.

2. Ɛlektrɔnik ne Semiconductors

High-purity alumina (boro 99.9%) yɛ ade titiriw a wɔde yɛ nneɛma a wɔde yɛ integrated circuit substrates, insulating ceramics, ne LED packaging nneɛma. Ne nneɛma a ɛbɔ ho ban yiye ne ɔhyew a ɛma ɛyɛ hyew no ma ɛyɛ ade a ɛho nhia wɔ ɛlɛtrɔnik mfiridwuma mu.

3. Aduruyɛ ne Agude

Alumina a ɛyɛ den no ma ɛyɛ ade a eye ma nkwaa a wɔde nsa ayɛ ne nsensan a wɔde hyɛ mu, bere a wɔde rubies ne sapphires (abɔde mu alumina ahwehwɛ) di dwuma wɔ agude a ɛkorɔn-end mu esiane wɔn fɛ ne sɛnea ɛtra hɔ kyɛ nti.

Awie

Alumina, ade a wotumi de di dwuma pii no di dwuma titiriw wɔ nnwuma ahorow mu, a nnwuma, ɛlɛtrɔnik mfiri, ne nnuruyɛ ka ho, esiane ne ahwehwɛ ahorow nti. Ɛnam nkɔsoɔ a aba wɔ nneɛma ho nyansahu mu nti, alumina dwumadie no bɛkɔ so atrɛw, titire wɔ ahoɔden foforɔ, nneɛma a atwa yɛn ho ahyia ho banbɔ, ne mfiridwuma a ɛkorɔn-mfiridwuma mu, baabi a ne hia bɛda adi kɛseɛ mpo.