He tūranga motuhake tō te uku pahuka i roto i te ao pūtaiao rauemi me ōna whanaketanga. Nā te iti o te mātotoru, te porosity me ngā āhuatanga whakamarumaru pai o te rauemi, he mea whai hua ēnei mō ngā momo tono. Kei roto i te tuhinga i raro nei ngā āhuatanga rerekē me te whakaahua i ngā momo tikanga rerekē o te pahuka.Te hanga uku.
He aha te mea e rongonui ai ngā pahuka uku me ngā pahuka whakarewa?
He pahuka, ahakoa he uku, hepahuka whakarewahe mea hanga mai i te whakakī hau i roto i ngā pūwero o tētahi rauemi turanga. Ka taea te hiri, te kati rānei i ngā pūwero, te hono rānei, me te waiho tuwhera. Ko te mea matua e tautuhi ana i te āhuatanga o te pahuka ko te whānuitanga o ngā pūwero kei roto. I te nuinga o te wā, ko ngā pūwero, ko ngā āputa rānei kei waenga i te 75 – 90% o te rauemi turanga.
Ngā pahuka konumohe me ngā pahuka uku: He whakataurite
Ngā pahuka konumohe
Ko te pahuka whakarewa i roto i ngā kupu māmā he mea whakakīia ki ngā āputa hau pūwero e hanga ana i te nuinga o te rahinga. Ko ngā pahuka whakarewa kounga teitei ka hangaia i te nuinga o te wā me te pupuri i te konumohe hei konganuku turanga. Konumohe te konumohe.pahuka whakarewahe mea hanga ki te konumohe, ā, ka hangaia ngā pūwero e te hau ki roto i te konganuku wera. Ka taea te whakamahi i te hau, i te wai whakamarara rānei hei hanga pūwero i roto i te konumohe rewa.
Te hanganga o tepahuka whakarewa konumohehe muka konumohe e hono tahi ana, e rua ngā momo. Ko ngā momo e rua oPahuka whakarewa konumohehe momo pūtau tuwhera opahuka konumohemomo pūtau kati rānei. Ko te whakamahinga matua o ngā pahuka ko ēnei pahuka konumohe ka taea tonu te whakarerekē e pā ana ki ngā āhuatanga pai e hiahiatia ana. Ko te horahanga mata nui, te rerekētanga o te āhua me te mama o ngā āhuatanga ātaahua oNgā pahuka konumohe.
Ngā Āhuatanga o ngā Pahuka Konumohe
Ngā pahuka konumohenoho puku tonu ki te mura
Tepahuka konumohekei waenganui i te 2-11 mm te rahi o ia pūtau, ā, kei waenganui i te 70 – 90% te porosity
Ka taea te whakarerekē i ngā rahi o te pahuka e pā ana ki ngā whakamahinga, ā, ko te kaha e tukuna ana ko te 44 MPa.
Tepahuka whakarewa konumohehe nui ake te ātete i te konganuku konumohe noa, e 100 ngā wā, neke atu rānei.
Te Whakamahinga o ngā Pahuka Konumohe
Kei te piki haere te rongonui o te haumaru o ngā waka i ia rā, i ia rā, nā te mea he mama ngā rauemi, nō reirapahuka konumohe.
Te mimiti oro opahuka konumohehe rauemi tāpiri pai rawa atu mō te hanga waka
Ngā pahuka konumoheHe māmā te āhua, ā, e whakamahia ana i roto i te rāngai rererangi.
Ngā pahuka konumoheHe tino pai mō te umanga kaihoahoa nā te mea he rauemi whakatakoto pai ina honoa ki te rakau.
Me pēhea te hanga o te pahuka whakarewa?
Ko te tikanga rongonui o te whakaputaPahuka konumohe, pahuka whakarewa rāneiKo te tikanga werohanga hau. Ko te taahiraa tuatahi ko te whakarite i tētahi rauemi whakarewa mā te whakamahi i ngā waikura o te konumohe me te konupūmā, te silicon carbide rānei. Kia oti te whakarewa te hanga i te hau, ka werohangahia te hauota, te argon rānei mā roto i te pūwero, i ngā impeller rānei kia ōrite ai te tohatoha i roto i te ranunga.
Ko tētahi atu huarahi hanga pahuka whakarewa ko te whakamahi i tētahi matū pupuhi. Mā te pirau i puta mai i te wera ka tukuna e te matū pupuhi ngā hau, ka hangaia he āputa. Ka whakamahia hoki e ngā ahumahi tētahi atu tikanga hanga hau totoka hei whakaputa pahuka i te aroaro o te hauwai. I roto i ēnei momo hanga, ko te whānui o ngā pūwero kei waenga i te 10 maikiromita ki te 10 mm.
Ngā pahuka uku
Nā te hanganga pūtau, he wāhanga nui ngā pahuka uku i roto i te hanga rauemi. Ko te hanga māmā he whakamahi i ngā pūmua me te paru uku. Ka mau tonu te uku i roto i te hanganga o te tinana, ā, he painga anō hoki nā te pāmahana teitei me te āhuatanga ārai. He maha ngā whakamahinga o te pahuka uku pērā i te ārai wera, te ārai oro me ngā whakamahinga maha e nui ana te kaha.
Ngā Āhuatanga o ngā Pahuka Uku
Ko ngā pahuka uku he mea hanga i ngā hanganga pūtau he pūwero te āhua. I tētahi atu taha, he pakarukaru te hanganga whatunga toru-ahu, ā, he kitea ngā āputaputa, ngā āputaputa rānei i roto i te rauemi. He rārangi te rahi o ngā āputaputa i roto i ngā pūtau, ā, e inehia ana i roto i ngā mirimita ki ngā maikiromita. Ahakoa he mārō ngā pahuka uku pūwero, ā, e nohoia ana ngā āputaputa e te hau, e te hau rānei tae atu ki te 95 – 96%.
He momo pahuka uku rerekē kei roto i te Silicon Carbide, Alumina, Zirconia, Titania me te Silica. E mōhiotia ana ngā pahuka uku mō tōna mama. He pai te uruhanga ki ētahi mea kua tohua. He pai ake te kaha pēhi o ngā pahuka uku.
Nā te āhuatanga tino pai o ēnei pahuka uku he mea pai ēnei mō ngā mahi miihini.
Te whakamahinga o ngā pahuka uku
He whai hua ngā hanganga moroiti o te umanga uku i roto i te umanga hiko. He whai hua hoki ēnei mō te hanga i ngā mea pēnei i ngā pākahiko, ngā irahiko me ētahi atu.
Ka whakamahia ngā āhuatanga whakamarumaru o te uku hei whakarato i te ātete wera pai. Ka taea te whakamahi hei rauemi hanganga mō te whakamarumaru hei whakarato i te mahi takirua o te whakamarumaru me te kaha.
Ka taea te whakamahi i ngā pahuka uku hei whakahaere i te parahanga. Nā te uruhanga o te wai ka whai hua ai ēnei hei whakahaere i te parahanga. Ka whakaratohia e ngā pahuka uku he horahanga mata mō ngā whakakorikori hei whakawai i ngā matūriki kua hopukina.
Ka whakamahia hoki ngā pahuka uku hei tautoko i ngā hanganga tautoko i roto i te tinana tangata nā te mea he hototahi ki te koiora.
Ngā tikanga hanga uku
Ko ētahi o ngā tikanga rongonui mō te hanga pahuka uku kua whakarārangihia i raro nei:
Tukanga pahuka tika
Ka tīmatahia te tukanga mā te hanga i tētahi whakatārewatanga o te paru uku, ā, ka whai muri ko te whakapūpū. Kia oti te whakapūpū, ka tangohia te pokepokea ai, ā, ka whakamaroketia te pahuka i hangaia, ā, muri iho ka whakapūpūtia. Ka hangaia e tēnei tukanga he āputa kaha ake ka taea te tu atu ki te mīhini tere.
Ka āwhinahia te tukanga e te kaihopuhuka e tīmata ai te pahuka ina konatunatua ki te paru uku, ā, ka whakapūmautia, ā, muri iho ka whakapakeketia. E mōhiotia ana te hanga uku tika i runga i te pahuka he māmā, he pono hoki, ā, he pai hoki mō te whakahaere i te porosity. Ko te whakapūmautanga ka oti i te nuinga o te wā ina oti pai te tirotiro i ngā tāpiringa.
Te tono me ngā painga
E whakamahia whānuitia ana i roto i ngā umanga whakarewa, he mea nui te porosity.
Ka whakamahia ēnei momo pahuka hei whakamahana
Tikanga Maka Gel
Ina hiahiatia te ōritetanga me te kaha ake, ko te whakarewatanga ira te tikanga pai rawa atu mōte hanga ukuHe māmā noa te tukanga, ā, ka tīmata mā te whakaranu i te wai whakatārewatanga colloidal me te monomer wairewa-wai me te kaihoko pahuka. Whai muri i te polymerization ka whakapūpū te pahuka. Ka puta he pahuka uku kaha, pakari hoki i te whakarewanga ira.
Te tono me ngā painga
E whakamahia ana hei hanga tātari, hei hanga kiriuhi pakari rānei i roto i ngā ahumahi matū.
Ngā mara koiora mō ngā whakaurunga me ngā hanganga tautoko
Mā te tukanga ka whakahaeretia te porosity me te taumata teitei o te ōritetanga.
Tikanga Tāruarua
Ko te tikanga tāruarua e uru ana ki te tikanga ote hanga ukue pania ana he paru uku ki runga i te pahuka. Ka tahuna te pahuka polymeric i muri mai mā te Sintering. Ka tāruatia tēnei he pahuka uku e rite ana ki te pahuka polymeric i te tīmatanga. He nui ake te uruhanga o ngā pahuka uku e whakaputaina ana e te hangarau tāruarua, ā, he iti ake te kaha.
Te tono me ngā painga
E whakamahia ana hei whakaputa i ngā āhuahanga uaua pērā i ngā whakatō wheua i roto i te mara koiora
Ko te tikanga, ka whakamahia e ngā umanga motuka me te rererangi ngā uku i hangaia mā te tikanga tāruarua nā te mea he mama.
Mā ngā whakaaro ātaahua o te tukanga ka kore he āputa i roto i te āhuahanga matua o te rauemi.
Te tukanga whakakotahitanga māngaro
Te tikanga whakakotahi māngaro ote hanga ukuHe iti te utu, ā, kāore e pā kino ki te taiao. He pai mō te taiao, ā, e whakamahia ana te pāmahana tata ki te 300 – 600 nekehanga Celsius mō te tahu. Mā te pāmahana ka kore he hapa e puta i te hanganga o te pahuka uku.
Ka tāpirihia te matū whakapūpū pēnei i te māngaro kai ki roto i te paura uku, kātahi ka konatunatua ki te wai whakapūpū. Kātahi ka pāngia te ranunga e ngā tukanga pēnei i te whakaoho, te whakarewa, te whakapūpū, ā, i te mutunga ka whakamaroke. Kia maroke, ka whakapūpūhia te mea i hangaia ki te pāmahana teitei ake, ā, ka puta he pahuka uku.
Te tono me ngā painga
Kāore he hapa āputa
Tikanga hanga uku e pai ana ki te taiao
Tikanga Whakapūtanga
I roto i te tikanga whakamomona, e ai ki te ingoa, ka whakamahia ngā whakamomona hei mahite hanga ukuhei hanga pahuka. Ka hangaia ngā matūriki uku kia iri i roto i te ranunga o ngā wai e rua e kore e taea te whakaranu. Kia oti te hanga me te whakau i te emulsion, ka tangohia te wāhanga wai kē atu mā te mimiti, mā te tahunga rānei.
Te tono me ngā painga
Mā te tikanga whakamomona ka pai te mahi tātari, nō reira e mōhiotia whānuitia ana i roto i ngā pūnaha tātari.
E whakamahia ana ēnei mō te hanga rauemi ārai pōuriuri, ā, he mama hoki.
Ahakoa e whakarite ana te tikanga kia pai te rahi o ngā pūwero me te tohatoha ōrite, nā te hiranga o te tikanga hanga ka uaua ake te whakamahi i te tikanga.
Tikanga ira wai
Ko te tikanga sol gel, e ai ki te ingoa, ko te hurihanga o tētahi otinga hei hanganga uku i te wā e whakahaerehia ana ngā āhuatanga matū i roto i te taahiraa. I roto i te tikanga sol gel ote hanga ukuKa āta whakahaeretia te pūngao o te wai, me te kore e whakararu i te kaha matua o te rauemi.
Te tono me ngā painga
Ko te tikanga tēnei e whakamahia whānuitia ana i roto i te hanga kiriata, paninga, pūoko me ētahi atu.
Ka hangaia he pahuka parakore teitei
Whakamutunga
I roto i te tuhinga i hipokina ngā taipitopito o ngā pahuka, ngā momo pahuka rerekē me ngā tikanga ā-ao mō te hanga pahuka uku. Mō ngā pahuka uku, he mea nui te mana whakahaere āhuatanga. Mā te tikanga hanga rerekē ka puta te āhuatanga pai hei āwhina i te tono e pā ana.
Wā tuku: Pipiri-10-2026