FAKATOKANGAʻI ANGE: ʻOku angamaheni ʻaki hono ʻiloa ʻa ʻInvale®®36

Ngāué mo Hono Faʻú

ʻE lava ke ngaue ʻaki ʻa e Invar® ʻo fakaʻaongaʻi ha faʻahinga founga ngaue angamaheni. Naunau Annealed, ko ha naunau ia ʻoku siʻisiʻi ange ia ʻi Rockwell B 70, ʻoku fie maʻu ki ha nāunau ʻoku kau ai ha tā fakatātā loloto, faʻu pe vilo ʻa e hydro. Ke fakaava ha meʻa, nāunau ʻi he vahaʻa ʻ 1/4 mo e 3/4 ʻe faʻa ʻoatu ʻe he faingataʻá ha kosi fakamaʻa. ʻE® lava pe ke faitoʻo ʻo tongitongi. Ke ngaue ʻi he feituʻu ʻoku lahi ai e machining. ʻOku maʻu ʻa e Invar® taʻetotongi ʻi he vaʻa ukamea fuopotopoto.

Faitoʻo vela ki invar®

ʻE lava ke fakamafanaʻi ʻa e Invar® ʻo fakaʻaongaʻi ha taha ʻo e ngaahi founga ko ʻeni. ʻE puleʻi ʻa e ʻea fakamafana mo mokomoko ʻo e lahi ʻo e paʻanga ke taʻofi ʻaki ha maumau ki he ngaahi konga (ngaahi papa, peesi ʻuluaki, etc)

Founga Annealing 1

Ngaahi konga vela ki he 1525 ° F +- 25° F pea piki maʻu ʻi he mafana ʻo e houa ʻe taha ki he ʻinisi ʻo e matolu, pea mokomoko leva ʻa e afi ʻi ha vave ke ʻoua naʻa laka hake ʻi he 200 ° F he houa ki he 600 ° F. ʻOku ʻikai totonu ke toe fakahoko ha kumukumu ʻi he ngaahi konga ko ʻení

Founga Annealing 2

  1. Misini tokakovi
  2. Ngaahi konga vela ki he 1525 ° F +- 25° F pea piki maʻu ʻi he mafana ʻo e houa ʻe taha ki he ʻinisi ʻo e matolu, pea mokomoko leva ʻa e afi ʻi ha vave ke ʻoua naʻa laka hake ʻi he 200 ° F he houa ki he 600 ° F. ʻOku kei tali pe ʻa e ʻea mokomoko ʻi lalo ʻi he 600 ° F
  3. Ngaahi konga vela ʻi ha houa ʻe taha ʻi he 600″F +- 20° F hoko ai mo e ʻea mokomoko ʻo
  4. Ngaahi konga vela ʻo e 48 houa ʻe 205 ° F hoko atu ai mo e ʻea mokomoko ʻo
  5. Mīsini Fakaʻosí.

Founga Annealing 3

Annealing fakataha mo e vai quench mo stabilization founga

  1. Misini tokakovi
  2. Ngaahi konga vela ki he 1525 ° F +- 25° F pea piki maʻu ʻi he mafana ʻo e houa ʻe taha ki he ʻinisi ʻo e matolu, pea tamateʻi leva ʻa e vai
  3. Semi misini fakaʻosi
  4. Ngaahi konga vela ʻi ha houa ʻe taha ʻi he 600″F +- 20° F hoko ai mo e ʻea mokomoko ʻo
  5. Ngaahi konga vela ʻo e 48 houa ʻe 205 ° F hoko atu ai mo e ʻea mokomoko ʻo
  6. Mīsini Fakaʻosí

Hokoʻanga Mālohí

ʻE lava ke fakaʻaongaʻi ʻa e ngaahi founga fakafehokotakiʻanga angamahení mo ʻInikā. ʻOku fokotuʻu atu ʻa Invar filler rod ki he ngaahi hokoʻanga ko ia ʻoku fie maʻu filler vaʻa ukamea.

Pelese

ʻUluaki fakaʻaongaʻi e nāunau ʻo hangē ko ʻolunga ʻi ʻolungá. Fakaʻehiʻehi mei he ngaahi hokotanga hui ʻi he lolotonga ʻo e brazing. Fakaʻaongaʻi ʻa e siliva mo e singiki taʻetotongi ki he brazing Invar®.

Faitoʻo vela

Koeʻuhi ko ʻene uesia ʻa e faʻunga totonu ʻo e naunau, ʻoku ʻi ai ha faikehekehe ʻi hono ngaohileleiʻi ʻo e naunau ke fakafaingofuaʻi ʻa e ngaohi ʻaki mo e vela ʻo e naunau ke fakapapauʻi ʻa e ngaahi tuʻunga lelei ki he sila sioʻata, plating, pe meʻa laʻā.

Loto-hohaʻa Annealing

Ke fakafiemalieʻi e loto mafasia mo e ngaue fakafefeka ʻo e ngaahi kongokonga ʻi he ngaahi tuʻunga taukei ʻoku ngaohi ʻaki. ʻOku fakataumuʻa ia ki he tā fakatātaá, faʻu mo e ngaahi ngāue viloó.

  1. Konga kaukau mo degrease
  2. Anneal ʻi he ʻatakai ʻoku puleʻi ʻaki e afi kakaha. ʻE lava ke viviku pe momoa fakapaaki ʻo e ʻatakai, fakamoveuveu ʻa e ʻamonia, kasa kuo mafahifahi pe ʻatakai ʻoku ʻikai kau ki ha faʻahi.
  3. ʻOku ʻikai fuʻu mahuʻinga ʻa e mafana ʻo e ʻea Annealing; neongo ia, mafana ʻo e ʻea (lahi hake ʻi he 900°C) pe vahaʻataimi lōloa angé (lōloa ange ʻi he 60 miniti ʻe) ʻoku totonu ke fakaʻehiʻehi mei ai he ʻoku tuʻuaki ʻe he faʻahinga faitoʻo peheé ʻa e tupu ʻa e k.
    Siakale angamaheni – 850°C ki he 30 miniti ʻe.
  4. ʻOku totonu ke pukepuke ʻa e ngaahi kongá ʻi he mafana ʻo e taimí pea ʻita ʻo siʻi hifo ʻi he 175 °C ke fakaʻehiʻehi mei he oxidation mo e/pe thermal (ʻa ia te ne ala fakatupu hano fakakeheʻi)

Faitoʻo vela ki oxidation

  1. Fakapapauʻi ʻoku fakaʻaongaʻi e ngaahi founga totonú ke maʻa, ngaahi kongokonga degrease mo fakaʻofoʻofa
  2. Oxidation – Ko e vela mafana ʻi ha afi kakaha ʻuhila ki he 850 ° C ki he 900 ° C kae ʻoua kuo lanu kulokula ʻa e ngaahi konga (vela kulokula). ʻOku fakafuofua ʻa e lōloa ʻo e siakale ʻo e ʻeá 3 miniti ʻe, ka koeʻuhí ko e faikehekehe ʻi he ʻea hauhaú mo e fonó, kuo pau ke kehekehe ʻa e siakale totonú. Pea fakasiʻisiʻi leva ʻa e vela ʻo fakafuofua ki he 10 ° C he miniti. ʻI he taimi ʻoku ʻita ai e ngaahi kongá, ʻe faʻu ʻa e oxide. ʻE lava ke ʻasi mai ʻa e oxide mei he mama lanu kulei ki he lanu ʻuliʻuli. ʻOku faʻa lau ʻa e ʻuliʻuli ko e oxidation pea ʻoku ʻikai fie maʻu ia ke ʻi ai ha ipu sioʻata lelei ke silaʻi ukamea

ʻIvar® & Ko e Invar® super ko ha ngaahi fakaʻilonga ia kuo lesisita ʻo e crS ʻoku ne pukepuke, ko ha subsidiary ʻo e ngaahi tekinolosia ʻa e tangata tufunga – Fetuʻutaki ki he Eagle alloys, hoʻo palemiaʻIvar® 36 ngaahi kautaha hu koloa mai, ʻaho ni!

Tō atu – ʻInikā®

ʻIvar® (36% NI palanisi ukamea) Alloy has been the high temp metal of choice for low expansion applications for years. "Fuʻu ʻInitavale®" (31% NI-5% kaunga-palanisi ukamea) kuo ne maʻu ha loto lelei koeʻuhi he ʻoku ofi ki he noa coefficient ʻo e mafola ʻa e thermal ʻi ha mafana fakangatangata. ʻOku fakangatangata pe ʻa e ngaahi konga ʻaonga ʻo e "Invar® toto" ki he vahaʻa ʻo e-32 ° ki he + 275°C. koeʻuhi he ʻoku kamata ke liliu ʻa e naunau mei Austenite ki Martinsite ʻi he mafana ʻo e ʻea ʻi lalo-32 ° F

ʻOku toutou kolosi ʻa e C.T.E ʻi he noa, ʻoku kiʻi kehe ʻa e vela takitaha, ka ʻoku angamaheni ʻaki pe ʻa e ngaahi ola ko ʻeni ki he naunau ʻi he vahaʻa ʻo e 0 °F mo e 200 °F

Faʻunga ʻo e Fōmú

ʻOku faingofua pē hono faʻu ʻo e ʻIniké®, tohoakiʻi lahi mo faʻu ʻaki ha faʻu.

Hoko Maʻuʻanga Fakamaʻá

ʻOku fakatahaʻi ʻa e Invar toto ʻo fakaʻaongaʻi ha uaea makehe Invar cochineal, mo ha ngaahi meʻa mita ʻe nima mo e uaea kehekehe

Machinability

Super Invar® properties make it so the metal is tough and gummy, ʻikai fefeka pe abrasive. ʻOku fakahehema ʻa e ngaahi meʻangaue ke palau kae ʻikai kosi, ʻo tupu ai ha stringy loloa "toli." Kuo pau ke māsila e ngaahi meʻangāué, fafanga mo vave ke fakaʻehiʻehi mei he vela mo hono fakakeheʻí. ʻOku fokotuʻu atu hono fakaʻaongaʻi ʻo ha coolant ki he ngaahi ngaue machining kotoa pe. Machinability tatau mo Kovar®, Stainless 300 hokohoko, pea kuo lipooti mai ʻa Monel Alloys. Ni-Fei Alloys ʻoku faʻa fakahehema ke fakatupulaki ha meʻafua ʻi he lolotonga ʻo e ngaue vela ʻoku hu ki he fukahi tahi. ʻI he ʻuhinga ko ʻeni, kuo pau ke fakalahi ʻa e uta fakangofua ke toʻo ʻa e fukahi vai oxide. ʻOku faʻa faingataʻa taha pe ʻa e ʻuluaki kosi.

ʻIvar® & Ko e Invar® super ko ha ngaahi fakaʻilonga ia kuo lesisita ʻo e crS ʻoku ne pukepuke, ko ha subsidiary ʻo e ngaahi tekinolosia ʻa e tangata tufunga