Ho okumu, 'epekema
Alloying hehee wale. Ke ole o ka alloying oihana mua ma luna o ka waiwai o ke kila a me ka oka a
ʻeleu ana o ka mea hiki ke hooheheeia huahana hiki ke ike i loko o ke kūkuluʻia, ka hana a me kekahi mau mea o ka mahiai. A, i ka ia metala ke kaumaha ma muli o ka kahua o ka i hōʻike kela oaoieei-a me ka hana ana waiwai. Ua hiki ke wehewehe doping keʻano o ka hanaʻana. ʻanoʻenehana hana ma i ke kumu billet loaʻa iā ia kekahi hou ano a me ka hoʻoikaika 'ana ma luna o na hiʻona. Kēia Ua kōkua ai i nā e hana hehee wale, alloying ka waiwai i mea Nine Inch a me physical keʻano o ka hanaʻana o ka loli ma ka mea hiki ke hooheheeia 'ole.
I ka papa kuhikuhiE alloying oihana mua
Big akā, kekahi henua cia ma ka doping keʻano o ka hanaʻana, he kalapona. Ma ka kekahi lima, kona lehulehu i loko o ka metala 'ole o ka mea o 1,2% ka poʻea pau e mahuahua ikaika, paakiki a me ke anu brittleness pae, a ma ka kekahi - ia kekahi ho'ēmi i kā ka thermal conductivity a me ka pa apŘ o ka mea. Akā,ʻo kēia mea,ʻaʻole nui. E like me nā kumu o ka oka a pau, ka mea, ua hou ia ma ka hooko ana mai i ke kaʻina hana o ka aaioee ma lalo o ikaika ole o ke ana wela. Naʻe, i nā mea a pau impurities, a me ka hana eiiiiiaiou i paa i loko o ka 'ole ma hope o ka pau' ana o ka hana. Just kalapona e noho ma ka mea hiki ke hooheheeia, a ke kaumaha ma luna o ka mea i makemake 'ano o ka hope huahana enehana ka hoopo nopono mai metala hoohehee maemae au ia a me ka malama ana i konaʻikena ano. Ia mea, ka mea hiki ke ĸokoĸa ana nä pane i ka nui o ke kalapona doping ma kekahi kuikawa hana.
¶ A i loko o ka papa inoa o na kumu nui hehee wale o ka doping i ke i ka silikone a me ka manganese. hoʻolauna mua i ka pale 'ole i loko o ka palena iki pakeneka (i oi aku mamua o 0,4%) a me ka wahi keiki ma luna o ka loli o ke workpieceʻaʻohe kailaʻae. Aka hoi, keia ke keʻena mea manganese a me ka mea nui, e like me ka deoxidizing konohiki, a me ka mea hoʻopaʻa. I kŰia mau mea i ka waihona ipu alloying hehee wale no ka pono o ka 'ole, i mea nō ma ke kaʻina hana o ka dopingʻo ia ka mea e hiki pokole o'ē aʻe ke aloha auʻeleu oihana mua a me impurities.
Kākoʻo alloying oihana mua
Ma keia pae ana o hehee wale nō kāu nā titanium, molybdenum, boron, vanadium, etc. Ke koʻikoʻi loa, ka Luna o kēia loulou ka molybdenum, a ua pinepine ia i loko o chrome kila. Ma 'ana, a me ke kōkua o ka metala, piʻi pū hardenability, e like me hoemi paepae hladolomkosti. Pono no e kukulu steels, a me ka pono o ka molybdenum eiiiiiaiou. Kēia ka hoʻokō oka a nā kumumea i loko o ke kila, a i hōʻeuʻeu, a kūpaʻa ikaika o ke hooheheeia, oiai ke kāpaeʻana ka pilikia o na'okesaside. Like no ka titanium, ka mea, ua hoʻohana 'infrequently, a hoʻokahi wale nō hana - wili palaoa' ole i loko o chromium-manganese oka a pau. Hoʻomāka hiki e oleloia like kalipuna a me ke kēpau. Ka mea, i hoʻohana 'ia no ka metala laina i, a i laila, malalo iho o ke kalai ana.
Mea Maluna alloying oihana mua
Ma waho aʻeo i ka lahui conditional mahele o alloying oihana mua ma luna o ka papa, a kākoʻo, i pili i ka 'ē aʻe, oi ho'ākāka na hoailona o ka oko ao. No ka laʻana, ma ka mechanics o ka hopena ma luna o nā 'ano o nā oka a pau a me ka kila oihana mua e maheleia i ekolu waeʻano:
- Loli i ke kahua o carbides.
- Me ka polymorphic loli '.
- Me ke kahua o ka intermetallic i huiʻia.
Nui, e hoailona oukou ia ia ma kela a me keia o na hihia ekolu i ke kanawai o alloying oihana mua ma luna o ka waiwai o intermetallic i huiʻia nō hoʻi e kaukaʻi ma nā impurities. No ka laʻana, ke kumukuai i i ka lehulehu o na ia kalapona a me ka hao. Aia mea no hoi i ka Mea Maluna o ka oihana mua ua polymorphic hou 'ana o ke' ano o ka hopena. Ma 'ana, ka Awai hehee e ae i ke alo o ka oka a ferrite i loko o ka oka a pau, a me kā lākou mau analogues, e pono ai noaaeeecaoee ka paepaeʻana austenite maʻiʻo nānā' ole o ke ana wela.
Kanawai o alloying ma luna o ka oka a me steels
Aia nō kekahi mau 'ano i loko o i qualitative ano o ke kila hiki ke hou. Ka mua o ke kino e like ai i ka hoʻoholo 'ana o nā kumu waiwai oaoieei-ʻia. Doping ana ma keia wahi e hoomahuahua i ka ikaika, ductility, paakiki a me ka hardenability. Kekahi maikaʻi hopena o ka olelo o ka alloying hehee mea e hoʻoikaika 'i ka'ākeʻakeʻa mai ka waiwai. Ma keia manao, ia mea ia i hopena ia'ku, ula paakiki, wela ia'ku, a he paepae kiʻekiʻe o corrosive luku. No kekahi mau palapala noi i hoʻomākaukau ke hooheheeia, a haawi electrochemical waiwai. Ma keia hihia, ke alloying hehee wale i ke hoʻohana 'ia ka hōʻoi' i ka pou a me ka thermal conductivity,'okesaside ia'ku, a no laila, magnitopronitsaemosti. D.
Hiʻona o ka ole o ka palapala admixtures
Typical 'elele o nā palapala impurities mau phosphorus a me ka luaipele. Me ka mahalo i ka phosphorus, ka mea, ua hoomakaukau i ka hao i huiʻia hiki ke ho okumu i kekahi fragile mānoanoa ko e hoomau anei oukou ma hope o alloying. E like me ka hopena, i ka resultant oka a haalele i kona kiʻekiʻe degere o ka pa apŘ, a hāʻawi i brittleness. Naʻe, i ka hui ana me ke kalapona, a haawi i ka maikaʻi muli o ka hoʻomaikaʻi? Inoaia kaʻawaleʻana kaʻina. Kēia mea e like ai kōkua ai i nā machining keʻano o ka hanaʻana. Luaipele, ma ka huli, he kapu, aohe mea pepehi waiwai. Inā i ke kanawai o ke alloying nā kumumea i loko o ke kila me ka a pau ua manao ia e hoʻoikaika 'i ka mea o ka ia'ku i mawaho ololi, keia eliminates ka admixture like me ka hui. No ka laʻana, kona kiʻekiʻe lehulehu i loko o ka 'ole hiki aku ai i mahuahua attrition ia'ku hoemi metala luhi a me ka loa kń ka popopo e kū'ē'ē mai.
hana doping Technology
Nō kāu ka doping ua hana ma lalo o ke kila? Iecaianoaaiiuo a me ka mea i 'āhewa' ana a me ka hoʻokomo 'ia' ana o ka nui i hoʻoheheʻeʻia o nā kumu mua kūkā mai ma luna. E like me ka hopena o ka wela lapaau i loko o ka 'ole ka mea, he Nine Inch, a physical keʻano o ka hanaʻana o nā hui o mau waiwai a me ka deformation. Pela, ke alloying hehee ae, e hoʻoikaika i ka mea e like ai o ke kila huahana.
ka hopena
Doping mea he luna 'kaʻina loli ano o ka mea hiki ke hooheheeia. Ka manaʻo pohihihi iaʻano nui oia ma ke koho ana i pono ai ka loiloi mua ideas, e kū ai i ka makemake ka waiwai i preform. E like me ua oleloia, i ka hope o ka alloying oihana mua o ka nohona a me ka henua. Kekahi, a me ka iaʻeleu ke keʻena o ka mea hoʻonui i, no ka mea hoike, i ka mea ia manawa hoʻoikaika i ka ikaika o ka mea hiki ke hooheheeia, a degrade kona thermal conductivity. I ka hana o nā kānakaʻenehana mea e kūkulu i ka lanakila ana i 'ka hui pu ana o ka oihana mua i e e ka mea hiki ke hooheheeia kuleana, a me nā hale a loa kūpono no kona ano i ka hua'ōlelo o kekahi mau manaʻo.
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