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Terata ea Spray ea NiAl 95/5 bakeng sa ho Fafatsa Arc: Tharollo ea ho Koahela ka Ts'ebetso e Phahameng

Tlhaloso e Khutšoanyane:


Qaqiso ea Sehlahisoa

LBH

Li-tag tsa Sehlahisoa

Tlhaloso ea Sehlahisoa bakeng sa terata ea NiAl 95/5 Thermal Spray bakeng sa Arc Spray

Selelekela sa Sehlahisoa

Terata ea spray ea mocheso ea NiAl 95/5 ke thepa ea ho roala e sebetsang hantle e etselitsoeng ka ho khetheha lits'ebetso tsa ho fafatsa arc. E entsoe ka 95% nickel le 5% aluminium, motsoako ona o tumme ka thepa ea oona e ntle ea ho khomarela, ho hanyetsa oxidation, le botsitso ba mocheso o phahameng. E sebelisoa haholo liindastering tse fapaneng ho sireletsa le ho tsosolosa libaka, ho ntlafatsa ho hanyetsa ho tsofala, le ho atolosa nako ea bophelo ea likarolo tsa bohlokoa. Terata ea spray ea mocheso ea NiAl 95/5 e loketse lits'ebetso mafapheng a lifofane, likoloi le indasteri moo ho tšoarella le ts'ebetso li leng tsa bohlokoa.

Tokisetso ea Bokaholimo

Ho fihlela liphetho tse ntle ka terata ea NiAl 95/5 ea ho fafatsa ka mocheso, ho lokisoa hantle ha bokaholimo hoa hlokahala. Bokaholimo bo tla koaheloa bo lokela ho hloekisoa hantle ho tlosa litšila tse kang mafura, oli, litšila le li-oxide. Ho qhomisa ka grit ka aluminium oxide kapa silicon carbide ho khothaletsoa ho fihlela bokaholimo bo bataletseng ba li-micron tse 50-75. Bokaholimo bo hloekileng le bo bataletseng bo netefatsa ho khomarela hantle ha sekwahelo sa ho fafatsa ka mocheso, e leng se lebisang ts'ebetsong e ntlafetseng le ho tšoarella ha likarolo tse phekotsoeng.

Chate ea Sebopeho sa Lik'hemik'hale

Karolo Sebopeho (%)
Nikele (Ni) 95.0
Aluminium (Al) 5.0

Chate ea Litšobotsi tse Tloaelehileng

Thepa Boleng bo Tloaelehileng
Botenya 7.8 g/cm³
Sebaka sa ho Qhibiliha 1410-1440°C
Matla a Tlamo 55 MPa (8000 psi)
Bothata 75 HRB
Khanyetso ea ho ntša oksijene E babatsehang
Ho khanna ha mocheso 70 W/m·K
Mefuta e fapaneng ea ho roala 0.1 – 2.0 mm
Ho ba le masoba < 2%
Ho hanyetsa ho apara Holimo

Terata ea NiAl 95/5 e fafatsang ka mocheso ke tharollo e ikhethang bakeng sa ho ntlafatsa ts'ebetso ea bokaholimo le ho tšoarella. Litšobotsi tsa eona tse phahameng tsa mechini le ho hanyetsa oxidation le ho tsofala li etsa hore e be thepa ea bohlokoa bakeng sa lits'ebetso tse fapaneng tse hlokang boiteko. Ka ho sebelisa terata ea NiAl 95/5 e fafatsang ka mocheso, liindasteri li ka ntlafatsa haholo bophelo ba ts'ebeletso le ts'epo ea likarolo tsa tsona.


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