Ngongo Hapira Kāore anō kia orohia Ngongo Karāhe Al2O3 Rahi Iti

Ngongo Hāpira, Ngongo Karāhe Al2O3 Rahi Iti, Whakaahua Matua

Whakaahuatanga Poto:

Ko te Hapira Hanga he momo karaihe kotahi o te korundum, Al2O3, e mōhiotia ana ko te alpha-alumina, ā, ko te karaihe kotahi Al2O3, he 9.0 te pakeke.
Ko te hapaira he waikura konumohe i tōna āhua parakore rawa, kāore he porosity, he rohe kōpaka rānei, ā, he mātotoru te ariā.
Nā te whakakotahitanga o ngā āhuatanga matū, hiko, miihini, whatu, mata, wera, me te pakari pai, ka waiho te hapaira hei rauemi pai mō ngā hoahoa pūnaha me ngā wāhanga mahi teitei. Mō ngā tono haurua-ā-ira maha,
Ko te hapaira te kōwhiringa pai rawa atu ki te whakataurite ki ētahi atu tioata kotahi hangai.

Tukua mai he īmēra ki a mātou

Ngā Āhuatanga

Ko ngā āhuatanga e whai ake nei o te ngongo hapaira

1. Te pakeke me te roa: Pērā i ētahi atu wāhanga hapaira, he tino mārō ngā ngongo hapaira, ā, he ātete ki te rakuraku, te pakaru me te kakahu.

2. Māramatanga whatu: Ka taea e ngā ngongo hapaira te mārama ki te whatu, ā, ka taea te whakamahi mō te tirotiro, ngā tukanga tirohanga, te tuku mārama rānei mā roto i te ngongo.

3. Pāmahana whakahaere: 1950°C.

4. Ātete pāmahana teitei: Ka mau tonu te kaha me te mārama o ngā ngongo hapaira ahakoa i raro i ngā āhuatanga pāmahana teitei, ā, he pai mō ngā tukanga e pā ana ki ngā pāmahana teitei.

5. Ātete ki te ru wera: Kāore i rite ki ētahi rauemi, ka taea e ngā ngongo hapaira te tu atu i ngā huringa pāmahana tere me te kore e pakaru.

He maha ngā whakamahinga o te ngongo hapaira

1. Whakawhitiwhiti muka whatu: hei atanga muka whatu me te huānga hononga whatu.

2. Pūrere taiaho: e whakamahia ana mō te tuku whatu o ngā taiaho.

3. Te kimi whatu: te matapihi whatu hei pūoko whatu.

4. Whakaurunga hikohiko: Hangaia he hongere ngaru ārahi whatu o te ara iahiko whakauru hikohiko.

5. Whakaahua whatu: Whakamahia i roto i ngā taputapu whakaatu, kāmera me ētahi atu pūnaha whatu.
He paku rua-whakaata te hapaira. Ko te taupū whakaata o te karaihe hapaira pakeke-teitei he 1.75, ā, ka tipu ki tētahi aronga matapōkere, nō reira ka tapahia matapōkeretia te matapihi whero-whānui. Mō ngā tono motuhake me ngā raruraru rua-whakaata, ko ngā tohutohu kōwhiringa ko: C-papa, A-papa me R-papa.

He taputapu whakaputa matatau tō mātou wheketere me te tīma hangarau, ka taea te whakarite i ngā whakatakotoranga, ngā matotoru me ngā āhua o te ngongo hapaira kia rite ki ngā whakaritenga motuhake a ngā kiritaki.