Pehea ka nui o kāu ʻike e pili ana i nā mea porous?

Aia nā mea porous ma nā wahi a pau, mai ka iwi i loko o kou kino a hiki i ka kānana i kāu mea hana kope.

Akā, pehea e hiki ai i kahi mea piha i nā lua ke koʻikoʻi? Aia ka pane i ka hula paʻakikī ma waena

ʻo ka mea paʻa ponoʻī a me ka pūnaewele nui o nā pores i loko. Hoʻokumu kēia pāʻani i nā waiwai kūʻokoʻa

i hoʻololi hou i nā ʻano like ʻole e like me ka lāʻau lapaʻau, ka mālama ʻana i ka ikehu, a me ka ʻimi ʻana i ka lewa.

E noʻonoʻo i kahi mea i hoʻopiha ʻia me nā ʻeke liʻiliʻi, nā tunnel ʻike ʻole ʻia, a me nā lua microscopic. ʻAʻole kēia mau hemahema

- ʻo lākou ka ʻano wehewehe o nā mea porous, a paʻa lākou i ke kī i kahi helu kahaha o

nā holomua ma nā ʻoihana like ʻole.

Ua noʻonoʻo paha ʻoe i ka hanu ʻana o nā astronauts i ka ea maʻemaʻe ma ka International Space Station? A i ʻole pehea nā kānaka ʻepekema

hiki ke hana i nā mea kūkulu hale māmā a ikaika? Hiki paha iā ʻoe ke haʻihaʻi i ka pane - pili ia me nā mea kupaianaha

honua o nā mea porous. E hoʻopaʻa ʻia, a e ʻimi kākou i ka ʻepekema hoihoi ma hope o kēia mau mea kupanaha hole-y!

He aha nā mea porous?

Ma ko lākou kumu, ʻo nā mea porous nā mea i hoʻopiha ʻia me nā pores - nā wahi liʻiliʻi a i ʻole nā ​​​​waha i loko o ko lākou hale.

Hiki ke ʻokoʻa ka nui o kēia mau pores, mai ka microscopic nanometers (billionths o ka mika) a i ka nui.

nā lua millimeter-sized (kausani o ka mika). ʻO ka nui, ke ʻano, a me ka pili ʻana o kēia mau pores e pāʻani a

kuleana koʻikoʻi i ka hoʻoholo ʻana i nā waiwai o kahi mea.

ʻElua ʻano nui o ka porosity e noʻonoʻo ai:

*Oke-cell porosity:

E noʻonoʻo i kahi ʻōhuʻu. ʻO ia ka porosity hāmama.Hoʻopili ʻia nā pores, e ʻae ana i ka wai

e kahe maʻalahi ma waena o lākou. Kofe kānana,ʻO ka huʻa, a ʻo kekahi mau ʻano iwi he mau laʻana o nā mea hoʻoheheʻe hāmama.

*Polosity paʻa-cell:

Maʻaneʻi, ʻo nā pores he mau ʻōhū kaʻawale i loko o ka mea paʻa, ʻaʻole pili kekahi i kekahi. E noʻonoʻo i kahi

pōhaku ʻumeke – piha i nā lua, akā ʻaʻole hiki i ka wai ke hele ma waena o lākou. Hoʻopili ʻia nā pīkini polystyrene a me

ʻO kekahi mau pōhaku pele he mau laʻana o nā mea paʻa paʻa.

Ma ka hoʻomaopopo ʻana i ke ʻano a me nā ʻano o ka porosity o kahi mea, hiki i nā ʻepekema a me nā ʻenekinia ke hoʻolālā

nā mea no nā noi kikoʻī. E ʻimi mākou pehea e hana ʻia ai kēia ma ka ʻāpana aʻe!

Nā ʻano mea porous

Ka honua omea poroushe ākea a hoʻopili i nā ʻano mea kūlohelohe a me ka synthetic.

Eia kahi ʻike i kekahi o nā ʻano maʻamau, i hoʻokaʻawale ʻia ma muli o ko lākou kumu a i ʻole ka haku ʻana.

Nā Mea Poha Kūlohelohe:

Nā Pōhaku a me nā Minerale:

ʻO ka pōhaku one, ka pumice, a me ka zeolite kekahi mau laʻana o nā pōhaku porous maoli.

Hoʻohana ʻia kēia mau mea i ka kānana ʻana, nā aggregates kūkulu ʻana, a me nā ʻōpala popoki ma muli o

ko lakou mau pore nui a me na wahi ili.

 

 

Nā mea olaola:

ʻO ka iwi, ka lāʻau, a me ka puʻupuʻu he mau mea porous maoli me nā mea kū hoʻokahi. ʻO ka iwi, no ka laʻana,

Loaʻa iā ia kahi hoʻolālā hāmama paʻakikī e hāʻawi i ka ikaika a me ka maʻalahi, ʻoiai ʻae ka porosity o ka lāʻau

no ka lawe ʻana i ka wai a me nā meaʻai ma nā mea kanu.

 

 

Nā Mea Hana Porous:

Polymers:

Hoʻohana nui ʻia nā polymeric foam e like me polyurethane a me polystyrene no ka hoʻopili ʻana, insulation,

a me ka cushioning ma muli o ko lākou hale paʻa i paʻa i ka ea.

 

 

ʻO ka pahu polyurethane

 

 

ʻO nā keramika:

Hiki ke hoʻolālā ʻia kēia mau mea i hana ʻia me kahi hoʻolālā pore i hoʻopaʻa ʻia, e kūpono ana iā lākou

nā noi e like me nā membrane kānana, catalysts, a me nā wahie.

Membrane kānana seramika

 

Nā metala:

Ke loaʻa nei nā metala porous i nā wahi e like me nā mea hana māmā a me nā implants biomedical

ma muli o ko lākou kiʻekiʻe ikaika-a-kaumaha ratio a me ka hiki ke hoʻololi i kā lākou porosity no nā pono kikoʻī.

Metala poha

Nā Papahana Metal-Organic (MOF):

ʻO kēia mau mea hoʻolālā he mau mea kupanaha synthetic me kahi hoʻolālā pore i kauoha nui ʻia a tunable.

Loaʻa iā lākou ka mana nui i ka mālama kinoea, hoʻokaʻawale, a me ka lawe ʻana i ka lāʻau.

Ka Hoʻolālā Metala Organic (MOF)

ʻO kēia mau mea porous a mākou i ʻōlelo ai he laʻana wale nō o ka honua like ʻole o nā mea porous.

Na Pono o na Mea Porous

ʻO ka hui ʻokoʻa o ke ākea paʻa a me ka hakahaka i nā mea porous e hāʻawi iā lākou i nā ʻano waiwai

ʻo ia ka mea e waiwai ai lākou ma nā noi like ʻole. E noʻonoʻo kākou i kekahi o nā mea nui o ke kino, ka mechanical,

a me nā waiwai kemika o nā mea porous:

Nā waiwai kino:

ʻAiʻa:

Ma muli o ka loaʻa ʻana o nā pores, ʻoi aku ka liʻiliʻi o nā mea porous ma mua o ko lākou mau mea porous ʻole.

Mālama kēia iā lākou, he mea koʻikoʻi i nā noi e like me ka ʻenehana aerospace a me ke kūkulu ʻana.

ʻO nā mea porous liʻiliʻi liʻiliʻi me nā mea nonporous ʻoi aku ka nui

 

* Pākēneka Porosity:

Hōʻike kēia waiwai i ka nui o nā hakahaka i loko o kahi mea i hoʻohālikelike ʻia me kona nui holoʻokoʻa. ʻO kahi pākēneka kiʻekiʻe e hōʻike ana i kahi hoʻolālā pore ʻoi aʻe a pili pū.

*Pūpono:

ʻO kēia waiwai e pili ana i ka hiki o kahi mea ke ʻae i nā wai (nā kinoea a i ʻole nā ​​​​wai) e hele i loko o kona mau pores. ʻO ka nui o ka pore, ke ʻano, a me ka hoʻohui ʻana e hoʻoikaika nui i ka permeability.

Nā Pono Mechanical:

*Ka ikaika:

Hiki i ka hele ʻana o nā pores ke hoʻemi i ka ikaika holoʻokoʻa o kahi mea.

Eia nō naʻe, hiki i ka ʻenehana akamai o ka hoʻolālā pore ke hana i nā mea porous me

kamahaʻo ikaika-a-kaumaha ratios, i mea waiwai i ka hana mama.

*Elasticity:

Hoʻoholo kēia waiwai i ka nui o ka mea hiki ke hoʻololi i lalo o ke kaumaha a hoʻi i

kona kino maoli. Hiki i ka porosity ke hoʻopili i ka elasticity ma nā ʻano paʻakikī, ma muli o ka

mea a me ka pore.

Nā waiwai kemika:

*Ka hana hou ʻana:

ʻO ka ʻili kiʻekiʻe i hana ʻia e nā pores hiki iā lākou ke hana hou aku i ka hoʻohālikelike ʻia me nā mea porous ʻole.

He mea maikaʻi kēia i nā noi e like me ka catalysis, kahi e hoʻonui ai ka ʻili i nā hopena kemika.

* Kū'ē:

Hiki ke hoʻopili ʻia nā mea porous e kūʻē i nā mea kikoʻī a i ʻole nā ​​mea kemika. ʻo kahi laʻana,kekahi mau seramika porous

hōʻike i ke kūpaʻa wela maikaʻi loa, e kūpono iā lākou no nā noi wela kiʻekiʻe.

Ma ka hoʻomaopopo ʻana i kēia pilina o nā waiwai, hiki i nā ʻepekema a me nā ʻenekini ke hoʻolālā i nā mea porous no

pono kiko'ī. Ma ka ʻāpana aʻe, e ʻike kākou i ka hana ʻana o kēia mau mea i nā ʻoihana like ʻole!

Nā Pōmaikaʻi a me nā Paʻakikī o nā Mea Porous

Hāʻawi nā mea porous i kahi pūʻulu kūʻokoʻa o nā pono e waiwai ai lākou ma nā ʻoihana like ʻole. Eia ka nānā ʻana i kekahi o nā pōmaikaʻi nui:

* ʻĀpana ʻili kiʻekiʻe:

Hoʻokumu ka pūnaewele paʻakikī o nā pores i kahi ākea ākea i loko o kahi leo liʻiliʻi. He mea maikaʻi kēia no nā kaʻina hana e like me ka kānana, adsorption, a me ka catalysis, kahi e hoʻonui ai ka ʻili i ka pilina ma waena o nā mea a me nā wai / kinoea.

* Māmā:

Ma muli o ka loaʻa ʻana o nā pores, ʻoi aku ka māmā o nā mea porous ma mua o ko lākou mau mea porous ʻole. He mea koʻikoʻi kēia i nā noi e like me ka ʻenekinia aerospace a me nā kaʻa pono wahie kahi pahuhopu nui ka hoʻemi ʻana i ke kaumaha.

*Nā waiwai kahe i hoʻomalu ʻia:

Hiki ke hoʻopaʻa ʻia ka nui, ke ʻano, a me ka hoʻohui ʻana o nā pores i mea e hoʻomalu ai i ke kahe ʻana o ka wai ma o ka mea. Hiki i kēia ke kānana pololei, ka lawe ʻana i ka lāʻau lapaʻau, a me ka hoʻokaʻawale kinoea maikaʻi.

* Nā waiwai kūpono:

Hiki ke hana ʻia nā ʻano mea like ʻole he porous, a hiki ke hana ʻia ke ʻano pore ponoʻī e hoʻokō i nā waiwai kikoʻī. Hāʻawi kēia versatility i nā ʻepekema e hoʻolālā i nā mea no nā noi like ʻole.

Eia naʻe, hele mai nā mea porous me kekahi mau pilikia:

*Ka ikaika:

Hiki i ke alo o nā pores ke hoʻemi i ka ikaika holoʻokoʻa o kahi mea. No ka hoʻohaʻahaʻa ʻana i kēia, pono ka hoʻolālā akahele a me nā ʻenehana hana.

*Haʻi:

Hiki i nā pores ke hana ma ke ʻano he koʻikoʻi koʻikoʻi koʻikoʻi, e ʻoi aku ka maʻalahi o ka mea i ka haki ʻana a i ʻole ka haki ʻana ma lalo o ke kaomi kiʻekiʻe.

* Paʻakikī o ka hana ʻana:

Hiki ke paʻakikī ka hana ʻana i kahi hoʻolālā pore i makemake ʻia a koi i nā ʻenehana hana kūikawā, hiki ke hoʻonui i nā kumukūʻai.

Hoʻohana Kūikawā o nā mea hao ʻili ʻiliahi i hoʻopaʻa ʻia

Sintered kila kilaʻO nā mea porous he ʻano kikoʻī o nā mea porous me nā pono kūʻokoʻa:

* Ka ikaika kiʻekiʻe a me ka lōʻihi:

ʻO ka Sintering, ke kaʻina hana, hana i nā mea paʻa ikaika ma waena o nā ʻāpana kila kila, e hopena i kahi mea paʻa a lōʻihi.

*Ke kū'ē i ka corrosion:

Hāʻawi ke kila kila i ke kūpaʻa maikaʻi loa i ka corrosion, e hana i kēia mau mea i kūpono no nā kaiapuni paʻakikī a i ʻole nā ​​noi e pili ana i nā wai.
*Biocompatibility: He biocompatible kekahi mau māka o ke kila kila, ʻo ia hoʻi, hiki ke hoʻokomo pono ʻia i loko o ke kino kanaka. Wehe kēia i nā puka no nā noi biomedical e like me nā kānana a i ʻole nā ​​​​implants iwi.

* Hoʻolālā pore kūpono:

Hiki ke hoʻomalu ʻia ka nui a me ka hāʻawi ʻana o nā pores i ke kila kila kila, e ʻae ai i ka kānana pololei a i ʻole ka hāʻawi ʻana i ka wai.

Hoʻolilo kēia mau waiwai i nā mea porous kila kila kila i waiwai nui i nā noi like ʻole, me:

*Kānana:

Hoʻohana nui ʻia lākou i nā kānana ʻoihana nonā wai a me nā kinoea, ʻoi loa i nā noi e koi ana i ka ikaika kiʻekiʻe a me ka lōʻihi.

* Puka wai:

ʻO kā lākou porosity kaohi e hiki ai i ka hāʻawi ʻana i nā wai i nā kaʻina hana e like me ka chromatography a i ʻole nā ​​​​pūnaewele wahie.

*Nā mea hāmau:

Hiki i ke ʻano pore paʻakikī ke hoʻomaloʻo pono i nā nalu kani, e hoʻohana pono iā lākou i nā noi hoʻohaʻahaʻa walaʻau.

* ʻO nā implants biomedical:

ʻO ke ʻano biocompatible o kekahi mau māka e kūpono iā lākou no nā implants iwi a i ʻole nā ​​​​mea lawe lāʻau.

ʻO ka hui pū ʻana o ka ikaika kiʻekiʻe, ka pale ʻana i ka corrosion, a me kahi hoʻolālā pore tunable e hana i nā mea porous stainless steel sintered i waiwai nui i nā noi koi.

Hoʻohana ʻia o nā mea porous: He honua o nā lua i ka hana

ʻO nā waiwai kūʻokoʻa o nā mea porous ua alakaʻi i ka nui o nā noi ma nā ʻāpana like ʻole.

Eia kahi ʻike i ke ʻano o ka hana ʻana o kēia mau hole-y kupanaha:

Noi Hana Hana:

Nā ʻōnaehana kānana:

Mai nā kānana kope i nā kānana ʻoihana nui, pono nā mea porous no ka hoʻokaʻawale ʻana i ka makemake

nā ʻāpana mai kahi hui ʻana. ʻO ka nui o ka pore i hoʻomalu ʻia e hiki iā lākou ke paʻa i nā ʻāpana makemake ʻole i ka wā

e hoʻokuʻu i ka wai i makemake ʻia.

kānana kope

Kākoʻo Catalyst:

I nā hopena kemika, hoʻolalelale nā ​​catalysts i ke kaʻina hana. Hāʻawi nā mea porous me ka ʻili kiʻekiʻe

he kahua no kēia mau catalysts, e hoʻonui ana i ko lākou pono i nā ʻano hana ʻoihana like ʻole.

Hoʻohana i kēlā me kēia lā:

Hoʻokaʻawale:

ʻO ka ea i hoʻopaʻa ʻia i loko o nā pores o nā mea e like me ka fiberglass a i ʻole ka ʻūhā e hana ma ke ʻano he insulator nui,

mālama i ko mākou mau hale i ka hoʻoilo a me ke anuanu i ke kauwela.

 

ʻO ka hoʻoheheʻe fiberglass

Hoʻopaʻa leo:

Loaʻa i nā mea porous e like me nā panela acoustic a i ʻole nā ​​​​foa hoʻoheheʻe kani

e hoʻopaʻa i nā nalu kani, e hoʻoheheʻe i ka walaʻau a me ka hoʻokumu ʻana i kahi noho mālie.

Pane kani

Nā polokalamu ʻokiʻoki:

ʻEnekinia Biomedical:

Ke hoʻololi nei nā mea porous i kēia kahua. No ka laʻana, hoʻohana ʻia nā scaffolds porous no

ʻenekinia ʻiʻo, e hāʻawi ana i kahi kūkulu no nā cell hou e ulu ai, a me ka hāʻawi ʻana i ka lāʻau lapaʻau porous

hiki i nā ʻōnaehana ke hoʻokuʻu i ka lāʻau lapaʻau ma ke ʻano hoʻomalu.

 

 

scaffold poha no ka ʻenekinia kiko

Aerospace:

He mea koʻikoʻi ka pono o nā mea māmā akā ikaika i ka ʻenehana aerospace.

Ke ʻimi ʻia nei nā metala porous no ko lākou hiki ke hana i nā ʻāpana mokulele māmā

me ka hoopau ole i ka ikaika.

He mau hiʻohiʻona wale nō kēia - ʻokoʻa maoli ka hoʻohana ʻana o nā mea porous a

e ulu mau ana. Ke hoʻomau nei ka poʻe ʻepekema i ka hoʻomohala ʻana i nā mea hou a me nā mea hou

i hoʻopaʻa ʻia i nā hale pore, e hoʻomau ʻia nā mea hiki ke hoʻohana ʻia!

Ka hopena

E like me kā mākou ʻimi ʻana ma kēia blog, ʻaʻole hoihoi wale nā ​​mea porous mai kahi ʻepekema

hiʻohiʻona akā he mea maʻalahi hoʻi a koʻikoʻi ma kahi ākea ākea o nā ʻoihana.

Mai ka sponginess maoli o nā mea kūlohelohe e like me ka lāʻau a me ka iwi a hiki i ka porosity ʻenehana loa

i nā seramika a me nā metala, hana koʻikoʻi kēia mau mea i nā huahana o kēlā me kēia lā a me ka ʻokiʻoki

ʻenehana like.

E hoʻomau kākou i ka ʻimi ʻana a me ka hana hou ʻana me nā mea porous, e wehe ana i nā hāʻina hou a me

nā mea hiki ke hoʻololi i ko mākou honua. ʻO ke kānana kila kuhili ʻole Porous Sintered, inā

Makemake ʻoe e ʻike i nā kikoʻī hou aku, e ʻoluʻolu e kelepona iā HENGKO ma ka leka uila

ka@hengko.coma i ʻole e like me ke ʻano.