Liforomo tsa Phekolo ea Mocheso bakeng sa Litšepe Tse Sebeletsang Ke Life?

Kereiti ea tšepe e sa hloekang	Mofuta	Tšebeliso e Tloaelehileng	Kalafo e Tloaelehileng ea Mocheso
304 / 304L	Austenitic	Lijo, lik'hemik'hale, tsa metsing	Tharollo annealing
316 / 316L	Austenitic	Lik'hemik'hale, marine, pharma	Tharollo annealing
410/420	Martensitic	Li-valve, likarolo tsa turbine	Ho thatafatsa + Ho futhumatsa
430	Ferritic	Sekhahla sa likoloi, lisebelisoa	Anealing
17-4PH	Pula ka thata.	Sepakapaka, nyutlelie	Botsofali (pula)

Liforomo tsa Phekolo ea Mocheso bakeng sa Mehaho ea tšepe e se nang tšepe

1. Anealing

Morero:

• Fokotsa ho thatafala le ho ntlafatsa ductility

• Fokotsa likhatello tsa ka hare

• Ntlafatsa sebopeho sa lijo-thollo

Tshebetso:

• Mocheso ho ea mochesong o itseng (800-1100°C ho latela kereiti)

• Tšoara nako e behiloeng

• Pholisa butle, hangata ka sebōping

E Sebelisitsoe Bakeng sa:

• Ferritic (430)lemartensitic (410, 420)limaraka

• Ho nolofatsa ka mor'a ho sebetsa ka serame

• Ho ntlafatsa machine

sakysteele fana ka lits'ebeletso tse laoloang tsa annealing ho netefatsa hore microstructure e ts'oanang le bonolo bo nepahetseng bakeng sa machining.

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2. Tharollo Annealing (Kalafo ea Tharollo)

Morero:

• Hlakola carbides le precipitates

• Khutlisa khanyetso ea kutu

• Finyella sebopeho sa homogeneous austenitic

Tshebetso:

• Mocheso ho fihla ho ~1040–1120°C

• Ho tima ka potlako metsing kapa moyeng ho hoamisa sebopeho

E Sebelisitsoe Bakeng sa:

• Litšepe tsa Austenitic(304, 316)

• E bohlokoa ka mor'a ho tjheseletsa kapa ho sebetsa ho chesa

• E tlosa chromium carbide precipitates mme e khutlisetsa khanyetso ea kutu

sakysteele etsa bonnete ba hore tharollo ea annealing e lateloa ke ho tima hanghang ho qoba ts'oaetso le ho bola ha intergranular.

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3. Ho thatafatsa (Quenching)

Morero:

• Eketsa matla le boima

• Ntlafatsa khanyetso ea ho apara

Tshebetso:

• Chesa litšepe tsa martensitic ho fihla ho ~950-1050°C

• Tšoara ho austenitize sebopeho

• Ho tima ka potlako ka oli kapa moya

E Sebelisitsoe Bakeng sa:

• Litšepe tsa martensitic(410, 420, 440C)

• Lisebelisoa tse hlokang boima bo phahameng ba holim'a metsi (li-valve, li-bearings)

Hlokomela: Litšepe tsa Austenitic li ke ke tsa thatafatsoa ke phekolo ea mocheso.

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4. Ho halefisa

Morero:

• Fokotsa brittleness ka mor'a ho thatafala

• Eketsa boima

• Fetola boima ho latela litlhoko tsa kopo

Tshebetso:

• Mocheso ho fihlela ho 150-600 ° C ka mor'a ho thatafala

• Tšoara lihora tse 1-2 ho latela boholo ba karolo

• Ho pholile moeeng o khutsitseng

E Sebelisitsoe Bakeng sa:

• Litšepe tsa martensitic

• Hangata ho kopantsoe le ho thatafala ka mokhoa oa mehato e 'meli

sakysteele laola lipotoloho tsa mocheso ka nepo ho tsamaisana le litlhaloso tsa mochini bakeng sa beche ka 'ngoe.

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5. Ho thatafala ha Pula (Ho tsofala)

Morero:

• Matlafatsa ka sebopeho se setle sa pula

• Fumana matla a chai a phahameng ntle le ho sotha ho feteletseng

Tshebetso:

• Pheko ea tharollo ho ~ 1040 ° C le ho tima

• Lilemo ho 480-620 ° C ka lihora tse 'maloa

E Sebelisitsoe Bakeng sa:

• 17-4PH (UNS S17400)le li-alloys tse tšoanang

• Sepakapaka, nyutlelie, le likarolo tse matla haholo

Melemo:

• Karolelano e babatsehang ea matla ho boima ba 'mele

• Khanyetso e ntle ea kutu

• Ho khopama ho fokolang ha ho bapisoa le ho thatafala ha martensitic

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6. Ho Fokotsa Khatello

Morero:

• Tlosa khatello ea kelello e ka hare e bakoang ke mechine, forging, kapa welding

• Thibela ho fetoha ha dimensional nakong ya tshebeletso

Tshebetso:

• Mocheso ho isa ho 300-600°C

• Tšoara nako e itseng

• Pholisa butle

E Sebelisitsoe Bakeng sa:

• Likarolo tse kholo tse entsoeng

• Likarolo tse entsoeng ka mokhoa o nepahetseng

sakysteele fana ka litharollo tsa tloaelo tsa ho imolla khatello ea maikutlo ho boloka botsitso ba likarolo tse thata tsa forgings.

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7. Ho tloaeleha (Ha e tloaelehe ka tšepe e sa hloekang)

Morero:

• Hloekisa boholo ba lijo-thollo

• Ntlafatsa ho tšoana ho sebopeho le thepa

Tshebetso:

• Mocheso ho fihlela mocheso oa phetoho

• Moea o pholile ho ea mocheso oa kamore

E Sebelisitsoe Bakeng sa:

• Hangata e sebelisoa ka carbon le alloy steels

• Ka nako e 'ngoe e sebelisoa ho litšepe tsa ferritic

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Lintlha tse Susumetsang Khetho ea Phekolo ea Mocheso

• Sekhahla sa tšepe e sa hloekang

• Mocheso oa tšebeletso le maemo

• Litlhoko tsa ho hanyetsa kutu

• Lintho tse lakatsehang tsa mechine

• Boholo ba motsoako le sebopeho

• Mehato ea ka mor'a ts'ebetso (ho tjheseletsa, machining)

Phekolo e nepahetseng ea mocheso e tiisa hore lisebelisoa tsa tšepe tse sa hloekang li sebetsa ka botšepehi libakeng tse mabifi le ho finyella litekanyetso tsa mechine.

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Taolo ea Boleng ba Phekolo ea Mocheso

At sakysteel, phekolo ea mocheso ea litšepe tse sa hloekang e etsoa ka libopi tse laoloang ka:

• Tlhokomelo e nepahetseng ea mocheso

• Ho latela thermocouplebakeng sa likotoana tse kholo

• Ho lumellana le maemo a ASTM A276, A182, A564

• Teko ea kamora kalafoho kenyelletsa ho thatafala, ho tsitsipana, le tlhahlobo ea metallographic

• Setifikeiti sa EN 10204 3.1/3.2ka kopo

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Lits'ebetso tsa Lits'ebetso tsa Mocheso o Tekoang ka Stainless Steel Forgings

• Flanges le Fittings: Tharollo e hanetsoe kapa e tloaelehile

• Likarolo tsa Shafts le Li-valve: E thata ebile e halefile

• Matlo a Pompo: Khatello ea kelello e imolohile

• Likarolo tsa Aerospace: Pula e thatafetse

• Lijana Tsa Khatello: E hlophisitsoe mme e lekoa ho latela maemo a ASME

sakysteele sebeletsa bareki ho fehlang motlakase, metsing, lisebelisoa tsa lijo, oli le khase, le tse ling.

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Qetello

Phekolo ea mocheso ke mohato oa bohlokoa tlhahisong ealintho tse entsoeng ka tšepe e sa hloekang, ho lumella taolo e nepahetseng holim'a matla a mochine, ho hanyetsa kutu, le sebopeho sa ka hare. Ho itšetlehile ka motsoako le tšebeliso, phekolo ea mocheso e ka 'na ea akarelletsa ho annealing, phekolo ea tharollo, ho thatafatsa, ho kokobetsa, ho imolla khatello ea kelello, kapa botsofali.

Ka ho utloisisamefuta ea phekolo ea mocheso bakeng sa forgings ea tšepe e sa hloekang, baenjiniere le bareki ba ka hlalosa mekhoa e nepahetseng bakeng sa likopo tsa bohlokoa. Hosakysteel, re fana ka lits'ebeletso tse felletseng tsa ho qhekella le ho futhumatsa mocheso tse tsamaellanang le litekanyetso tsa machabeng le litlhaloso tsa bareki.