Manaʻo pinepine ka poʻe e omo nā magnet i ke kila kila e hōʻoia i kona ʻano maikaʻi a me kona ʻoiaʻiʻo. Inā ʻaʻole ia e huki i nā huahana ʻaʻole magnetic, ua manaʻo ʻia he maikaʻi a maoli; inā huki ia i nā magnet, ua manaʻo ʻia he mea hoʻopunipuni. ʻO ka ʻoiaʻiʻo, he ʻano ʻike ʻaoʻao hoʻokahi loa kēia, ʻaʻole maoli a hewa hoʻi.
Nui nā ʻano kila kila, hiki ke hoʻokaʻawale ʻia i kekahi mau ʻano e like me ko lākou ʻano hoʻonohonoho ma ka mahana o ka lumi:
1. ʻAno Austenitic: e like me 304, 321, 316, 310, a pēlā aku;
2. ʻAno Martensite a ferrite paha: e like me 430, 420, 410, a pēlā aku;
ʻAʻole magnetic a nāwaliwali paha ka magnetic o Austenite, ʻoiai he magnetic ka martensite a i ʻole ferrite.
ʻO ka hapa nui o ke kila kila i hoʻohana pinepine ʻia no nā pepa paipu hoʻonaninani he mea austenitic 304. Ma ke ʻano laulā, he non-magnetic a nāwaliwali paha ka magnetic. Eia nō naʻe, ma muli o nā loli i ka hoʻohuihui kemika ma muli o ka hoʻoheheʻe ʻana a i ʻole nā kūlana hana like ʻole, hiki ke loaʻa ka magnetism, akā ʻaʻole hiki ke manaʻo ʻia he hoʻopunipuni a kūpono ʻole paha kēia, he aha ke kumu?
E like me ka mea i ʻōlelo ʻia ma luna, ʻaʻole magnetic a nāwaliwali paha ka austenite, ʻoiai ʻo ka martensite a i ʻole ka ferrite he magnetic. Ma muli o ka hoʻokaʻawale ʻana o nā ʻāpana a i ʻole ka mālama wela kūpono ʻole i ka wā o ka hoʻoheheʻe ʻana, e hana ʻia kahi liʻiliʻi o ka martensite a i ʻole ferrite i loko o ke kila kila austenitic 304. ʻiʻo kino. Ma kēia ʻano, e nāwaliwali ka magnetism o ke kila kila 304.
Eia kekahi, ma hope o ka hana anu ʻana o ke kila kila 304, e loli pū ke ʻano hoʻonohonoho i ka martensite. ʻO ke kiʻekiʻe o ke kekelē o ka deformation hana anu, ʻo ka nui o ka hoʻololi martensitic, a ʻo ka nui o ka magnetism o ke kila. E like me ka helu o nā ʻāpana kila,ΦUa hana ʻia he 76 mau paipu. ʻAʻohe induction magnetic maopopo, aΦUa hana ʻia he 9.5 mau paipu. No ka mea, ʻoi aku ka nui o ka deformation kūlou, e ʻike nui ʻia ka induction magnetic. ʻOi aku ka nui o ka deformation o ka paipu huinahā ʻehā ma mua o ka paipu poepoe, ʻoi aku hoʻi ka ʻāpana kihi, ʻoi aku ka ikaika o ka deformation a ʻoi aku ka maopopo o ka magnetism.
I mea e hoʻopau loa ai i ka magnetism o ke kila 304 i hoʻokumu ʻia e nā kumu i luna, hiki ke hoʻihoʻi ʻia ke ʻano austenite paʻa ma o ka mālama ʻana i ka hopena wela kiʻekiʻe, a laila e hoʻopau ana i ka magnetism.
Ma ke ʻano kūikawā, pono e kuhikuhi ʻia ʻaʻole like ka magnetism o ke kila kila kila 304 ma muli o nā kumu i luna me ka magnetism o nā mea kila kila ʻē aʻe, e like me 430 a me ke kila kalapona. I nā huaʻōlelo ʻē aʻe, hōʻike mau ka magnetism o ke kila 304 i ka magnetism nāwaliwali.
Hōʻike kēia iā mākou inā he nāwaliwali ka magnetism o ke kila kila a ʻaʻohe magnetism iki, pono e ʻike ʻia he mea 304 a i ʻole 316; inā he like ka magnetism me ke kila kalapona a hōʻike i ka magnetism ikaika, pono e ʻike ʻia ʻaʻole ia he mea 304.
Hui kila ʻo Jindalaike kuhikuhi aku nei au i ke kūʻai ʻana i nā huahana kila kila, pono ʻoe e koho i nā huahana mai nā mea hana kaulana. Mai makeʻe i nā kumukūʻai haʻahaʻa a e makaʻala i ka hoʻopunipuni ʻia. He ʻoihana kila kila nui a me ka ʻoihana kālepa ʻo Jindalai Steel Group e hoʻohui ana i ka kūʻai nui ʻana o nā papa kila kila, ka hana ʻana, ka hale kūʻai a me ka hāʻawi ʻana. Ma muli o ka hilinaʻi a me ke kōkua o nā hoa hana ma ka home a ma waho, ua ulu ka ʻoihana i hoʻokahi o nā ʻoihana nui e hoʻohui ana i ka hana ʻana a me ke kālepa ʻana i ka ʻoihana kila kila ma hope o nā makahiki he ʻumi o ka hoʻomohala ʻana a me ka ulu ʻana.
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Ka manawa hoʻouna: ʻOkakopa-27-2023
