ʻIke laulā
He mea kaulana ke kila kila ma nā ʻoihana like ʻole, me ke kūkulu ʻana, ke kaʻa, a me ka mokulele. ʻO kona mau waiwai kū i ka pala a me kona kūpaʻa e lilo ia i koho maikaʻi loa no nā noi he nui. Eia nō naʻe, hoʻokahi nīnau e kū pinepine mai ana, ʻo ia ka "inā he porous ke kila kila". ʻO ka pane pololei, ʻaʻole porous ke kila kila maʻamau.
Ma kēia pou blog, e ʻimi mākou i ke kumuhana o ka porosity i ke kila kila a hoʻoholo inā he mea porous ia.
1. He aha ke kila kila?
ʻO ka mea mua, pono mākou e ʻike he aha ke kila kila?
ʻO ke kila kila he ʻano kila nona ka liʻiliʻi he 10.5% chromium. Hiki ke hoʻohui ʻia nā mea ʻē aʻe, e like me ka nickel, molybdenum, a me ka titanium, e hoʻomaikaʻi i kona mau waiwai kū i ka pala. Ua kaulana ke kila kila no kona ikaika kiʻekiʻe, ka lōʻihi, a me ke kūʻē ʻana i ka pala, e kūpono ai no ka hoʻohana ʻana i nā wahi ʻino.
Akā ʻoiaʻiʻo, aia kekahi mau ʻano kila kila like ʻole, kēlā me kēia me kona mau waiwai kū hoʻokahi a me nā ʻano. E like me ke kila kila Austenitic, ʻaʻole ia he magnetic a he kūpaʻa maikaʻi loa i ka corrosion, ʻoiai ʻo ke kila kila ferritic he magnetic a emi iki ka pale ʻana i ka corrosion.
2. Porosity i nā mea hana
A laila pono mākou e ʻike i ke ʻano o Porosity.
I ka pōkole, ʻo ka Porosity ka loaʻa ʻana o nā hakahaka hakahaka a i ʻole nā pores i loko o kahi mea. Loaʻa i nā mea porous ka hiki ke omo i nā wai a me nā kinoea, hiki ke hoʻopilikia i ko lākou mau waiwai a me ke kūpaʻa. Hiki i ka porosity ke kūlohelohe i kekahi mau mea, e like me ka lāʻau a i ʻole ka huʻahuʻa, a i ʻole he hopena ia o nā kaʻina hana, e like me ke kahakaha ʻana a i ʻole ka kuʻi ʻana.
Hiki i ke alo o ka porosity ke hoʻopilikia nui i nā waiwai mechanical o kahi mea, e like me ka ikaika, ka ductility, a me ka paʻakikī. Hiki i nā mea porous ke maʻalahi i ka corrosion, no ka mea, hiki i ke alo o nā voids ke hana i nā ala no nā mea corrosive e komo i loko o ka mea.
3. Porosity i loko o ke kila kila
Hiki i ke kila kila ke lilo i porous ma muli o kekahi mau kumu, me nā kaʻina hana hana maikaʻi ʻole, ka ʻike ʻia ʻana i nā wahi ʻino, a me ke alo o nā haumia. ʻO ke ʻano porosity maʻamau i loko o ke kila kila ʻo ia ka intergranular porosity, i hana ʻia e ka ua ʻana o nā carbides ma nā palena grain i ka wā o ka welding.
Hiki i ka porosity intergranular ke hōʻemi nui i ke kūpaʻa ʻana o ke kila kila a hoʻopilikia i kona mau waiwai mechanical. ʻO nā ʻano porosity ʻē aʻe e hiki ke hana i loko o ke kila kila e komo pū me ka hydrogen-induced porosity a me ka dendritic segregation.
4. Ke hoʻāʻo ʻana no ka Porosity i loko o ke kila kila
Aia kekahi mau ʻano hana no ka hoʻāʻo ʻana i ka porosity o ke kila kila, me ka nānā maka ʻana, ka hoʻāʻo ʻana i ka penetrant wai, a me ka radiography X-ray. ʻO ka nānā maka ʻana e pili ana i ka nānā maka ʻana i ka ʻili o ka mea no nā hōʻailona o ka porosity, e like me nā hakahaka a i ʻole nā māwae. ʻO ka hoʻāʻo ʻana i ka penetrant wai e pili ana i ka hoʻopili ʻana i kahi hopena penetrant i ka ʻili o ka mea a laila hoʻohana i kahi mea hoʻomohala e hōʻike i nā hemahema o ka ʻili.
He ʻano hoʻāʻo hoʻāʻo ʻole luku ka X-ray radiography e hoʻohana ana i nā X-ray e hana i nā kiʻi o ke ʻano o loko o kahi mea. He mea pono loa kēia ʻano hana no ka ʻike ʻana i ka porosity e kū nei ma lalo o ka ʻili o ka mea.
5. Nā noi o ke kila kila ʻaʻole porous
He mea nui ke kila kila ʻaʻole porous i kekahi mau ʻoihana, me ka hana ʻana i ka meaʻai, nā lāʻau lapaʻau, a me nā mea lapaʻau. ʻO ka ʻili ʻaʻole porous o ke kila kila e maʻalahi ai ka hoʻomaʻemaʻe a me ka hoʻomaʻemaʻe ʻana, e lilo ia i mea kūpono no ka hoʻohana ʻana i nā wahi kahi e koʻikoʻi ai ka hoʻomaʻemaʻe.
Hoʻohana pinepine ʻia ke kila kila i ke kūkulu ʻana i nā hale hana kemika a me nā mea hana petrochemical, kahi i hōʻike ʻia ai i nā wahi ʻino loa. Pono ke kila kila ʻaʻole porous i kēia mau noi e hōʻoia i ka pale ʻana o ka mea i ka pala a hiki ke kū i nā kūlana ʻino.
Hopena
I ka hopena, hiki i ke kila kila ke lilo i porous ma muli o kekahi mau kumu, me nā kaʻina hana hana maikaʻi ʻole, ka ʻike ʻia ʻana i nā kaiapuni ʻino, a me ke alo o nā mea haumia. Hiki i ka porosity i loko o ke kila kila ke hōʻemi nui i kona kūpaʻa i ka pala a hoʻopilikia i kona mau waiwai mechanical.
Kekahi mau nīnau i nīnau pinepine ʻia e pili ana i ka Stainless Steel Porous?
1. He aha ke kila kila, a no ke aha i hoʻohana ʻia ai?
ʻO ke kila kila he ʻano kila nona ka liʻiliʻi he 10.5% chromium, ka mea e hāʻawi ana i ka mea me kona mau waiwai kūikawā, me ke kūpaʻa i ka pala, ka ikaika, a me ke kūpaʻa. Hoʻohana nui ʻia ia i nā ʻano hana like ʻole, me ke kūkulu ʻana, ka halihali, nā mea lapaʻau, a me nā lako hale.
2. Hiki i ke kila kila ke lilo i porous?
ʻAe, ma lalo o kekahi mau kūlana, hiki i ke kila kila ke lilo i porous. Hiki ke loaʻa ka porosity i loko o ke kila kila i ka wā o ke kaʻina hana, ʻoiai i ka wā o ka hoʻopili ʻana. ʻO nā kumu ʻē aʻe e hiki ai ke hana i ka porosity e komo pū me ka ʻike ʻana i nā wahi ʻino a me ke alo o nā haumia i loko o ka mea.
3. Pehea ka hopena o ka porosity i nā waiwai o ke kila kila?
Hiki i ka porosity ke hōʻemi nui i ke kūpaʻa ʻana o ke kila kila, e hoʻolilo ana iā ia i mea maʻalahi i ka pala. Hiki iā ia ke hoʻonāwaliwali i ka mea, e hōʻemi ana i kona ikaika a me kona kūpaʻa.
4. Pehea e ʻike ʻia ai ka porosity i loko o ke kila kila?
ʻO ka nānā maka he ʻano maʻalahi ia no ka hoʻāʻo ʻana no ka porosity, akā ʻaʻole paha e kūpono i ka ʻike ʻana i ka porosity i loaʻa ma lalo o ka ʻili o ka mea. ʻOi aku ka maikaʻi o ka hoʻāʻo ʻana i ka penetrant wai a me ka radiography X-ray no ka hoʻāʻo ʻana no ka porosity, no ka mea hiki iā lākou ke ʻike i nā hemahema o ka ʻili a me ka porosity i loaʻa ma lalo o ka ʻili o ka mea.
5. ʻAʻole anei he porous nā kila kila a pau?
ʻAʻole, ʻaʻole nā kila kila āpau he porous. ʻOi aku ka porous o kekahi mau ʻano kila kila ma mua o nā mea ʻē aʻe, ma muli o ko lākou ʻano a me ke kaʻina hana. No ka laʻana, ʻo ke kila kila 304 he porous maʻamau, ʻoiai ʻo ke kila kila 316 hiki ke maʻalahi i ka porosity ma muli o kona nui o ka molybdenum.
6. He aha nā ʻoihana e hilinaʻi nei i ke kila kila ʻaʻole porous?
He mea koʻikoʻi ke kila kila ʻaʻole porous i kekahi mau ʻoihana kahi he mau mea nui ka hoʻomaʻemaʻe a me ke kūpaʻa i ka pala. ʻO kēia mau ʻoihana e komo pū me ka hana ʻana i ka meaʻai, nā lāʻau lapaʻau, a me nā mea lapaʻau. Hoʻohana pinepine ʻia ke kila kila i ke kūkulu ʻana i nā hale hana kemika a me nā petrochemical, kahi i hōʻike ʻia ai i nā wahi ʻino.
7. Pehea e pale ʻia ai ka porosity i loko o ke kila kila?
Hiki ke pale ʻia ka porosity i loko o ke kila kila ma ka hoʻohana ʻana i nā ʻano hana kuʻi kūpono a me ka hōʻoia ʻana ua kaʻawale ka mea mai nā haumia. He mea nui hoʻi e pale i ke kila kila mai ka ʻike ʻia ʻana i nā wahi ʻino, e like me nā waikawa, nā paʻakai, a me nā kemika ʻē aʻe.
No laila, he aha ke ʻano o ke kila kila āu e ʻimi nei? ʻO ke kila kila Porous maoli a i ʻole ke kila kila ʻaʻole Porosity?
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