Nā noi o ka paʻakikī a me ka paʻakikī o ka forgings

ʻO ka hardenability a me ka hardenability nā papa kuhikuhi hana e hōʻike ana i ka hiki ke hoʻopaunā kalaiwa, a ʻo ia hoʻi ke kumu nui no ke koho ʻana a me ka hoʻohana ʻana i nā mea.Ka paakikiʻo ia ka ʻoi loa o ka paʻakikī ake kalaiwa anahiki ke hoʻokō ma lalo o nā kūlana maikaʻi. ʻO ke kumu nui e hoʻoholo ai i ka pae paʻakikī oke kalaiwa anaʻo ia ka ʻike kalapona oke kalaiwa ana, a ʻoi aku ka pololei o ka ʻike kalapona o ka hopena paʻa i loko o ka austenite i ka wā e kinai ai a me ka wela. ʻOi aku ka kiʻekiʻe o ke kalapona, ʻoi aku ka kiʻekiʻe o ka paʻakikī o ke kila.
ʻO ka hardenability ka mea e hoʻoholo ai i ka hohonu a me ka paʻakikī o ka hāʻawi ʻana i ke kila paʻakikī ma lalo o nā kūlana i ʻōlelo ʻia. hoʻopaʻa haʻalulu i lokokila forged.

https://www.shdhforging.com/forged-tubes.html

Ma hope o ke kinai ʻana, ʻike ʻia ke ʻano o ka metallographic a me nā ʻāpana puʻupuʻu paʻakikī ma ka ʻāpana keʻa o ka mea hoʻomaha. He martensite ka laina pauku, a ua maheleia ke koena i mau wahi non-Martensite, oia hoi ke kukulu ana ma mua o ke kinai ana. Ua hiki ke ike ia ma ke kii he hohonu ka wahi martensite o ka pahu kila ma ka aoao akau, no laila, oi aku ka paakiki, oi aku ka oi o ka paakiki martensite o ka mea ma ka hema, oia hoi, oi aku ka maikai o ka paakiki ana. kiʻekiʻe loa, a emi iho ka māmā hoʻoluʻu ke hiki ke kikowaena i ke kikowaena. Inā ʻoi aku ka wikiwiki o ka hoʻomaloʻo ʻana o ka ʻili a me ke kikowaena o ka hoʻoheheʻe ʻana ma mua o ka wikiwiki hoʻoluʻu koʻikoʻi o ka hoʻoheheʻe ʻana i ke kila, hiki ke loaʻa ke ʻano martensite ma ka ʻāpana holoʻokoʻa o ka forging, ʻo ia hoʻi, ua kinai ʻia ke kila forging.
I ka hana ʻana, ʻo ka hardenability kūpono o ke kilanā kalaiwaʻike pinepine ʻia e ka hohonu o ka papa hoʻopaʻapaʻa kūpono, ʻo ia hoʻi, ka mamao kū pololei mai ka ʻili i ana ʻia i ka 50% (nui ka hapa) o ka martensite.
ʻO ka māhele ʻana o nā ʻāpana mechanical i ka ikehu ma hope o ke kinai ʻana a me ka hoʻoulu ʻana onā kalaiwame ka hardenability like 'ole i hoikeia ma ka figure.High hardenability o kona mechanical waiwai ma ke kea pauku like like puunaue, a me ke kinai ana o ka haʻahaʻa, haʻahaʻa mechanical waiwai o ka naʻau, toughness mea emi.hao haome ka paʻakikī kiʻekiʻe, ʻo kā lākou hana mai ka ʻili a i loko he granular tempered Soxhlet, nona ka bremsstrahlability kiʻekiʻe, ʻoiai ke kila me ka hardenability haʻahaʻa he ferrite flaccid ma kona puʻuwai, nona ka bremsstrahlability haʻahaʻa.
(mai duan168.com)


Ka manawa hoʻouna: Dec-24-2020

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