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Waxqabadka Premium: Nickel Alloy 17-4PH/17-7PH

Birta Aan Lahayn ee Gaarka ah

Ku darka kartida codsiyadaada alwaaxyada nikkel ee waxqabadka sarreeya, 17-4PH iyo 17-7PH. Injineerka si loo bixiyo xoog gaar ah, iska caabin daxalka, iyo adkeysiga, alloysyadan ayaa ah tiirarka aasaaska u ah xalalka injineerinka sare. Iyada oo la raacayo isku-dhafka saxda ah ee birta iyo daaweynta kulaylka, alloysyadayadu waxay soo bandhigaan sifooyin farsamo oo sarreeya, iyaga oo ka dhigaya kuwo ku habboon codsiyada hawada, badda, baabuurta, iyo warshadaha kale. Laga soo bilaabo qaybaha muhiimka ah ee qaab dhismeedka diyaaradda ilaa aaladaha caafimaad ee saxda ah, alloysyada nikkelku waxay bixiyaan isku hallayn iyo waxqabad aan isbarbar dhigin. Ku kalsoonow heerka sare ee la xaqiijiyay ee 17-4PH iyo 17-7PH alloys si aad mashaariicdaada sare ugu qaaddo heerarka cusub ee guusha.

    CUSBOONAYSIINTA Kiimikada

    SPACE

    %

    C

    Iyo

    Mn

    P

    S

    Gudaha

    Cr

    leh

    Nb

    Al

    17-4PH

    MIN

    -

    -

    -

    -

    -

    3.0

    15.0

    3.0

    0.15

    -

    MAX

    0.07

    1.0

    1.0

    0.04

    0.03

    5.0

    17.5

    5.0

    0.45

    -

    17-7PH

    MIN

    -

    -

    -

    -

    -

    6.5

    16.0

    -

    -

    0.75

    MAX

    0.09

    1.0

    1.0

    0.04

    0.03

    7.75

    18.0

    -

    -

    1.5

    Guryaha Jirka

    Qaabka

    17-4PH

    17-7PH

    Cufnaanta

    7.85g/cm3

    7.85g/cm3

    barta dhalaalaysa

    1404-1440 ℃

    1404-1440 ℃

    MUUQAALKA badeecada

    17-4PH waa chromium-nickel-naxaas roobab ah oo adkeynaya birta martensitic ah. Darajadan birta-la'aanta ah waxaa lagu gartaa xoog sare, adayg iyo iska caabin daxalka. Qalabka farsamada waxaa lagu hagaajiyaa kulaylka Daawaynta iyo xoogga cadaadiska ah ee ilaa 1100-1300 MPa (160-190 ksi) waa la gaari karaa. Darajadan lama isticmaali karo heerkul ka sarreeya 300°C (572°F) ama heerkul aad u hooseeya. Waxay leedahay iska caabbinta daxalka wanaagsan ee atmospheric iyo milo acids ama cusbada, iyo caabbinta daxalka waxay la mid tahay tan 304.

    17-7PH waa austenitic-martensitic roobab adag oo adkeynaya birta aan fiicnayn ee lagu sameeyay iyadoo lagu salaynayo 18-8CrNi, oo sidoo kale loo yaqaan isbedelka wajiga kontoroolka ah ee birta ah. 17-7PH birta ahama waa urur austenitic aan degganayn ka dib markii xal adag Daaweynta, la adkeysiga caag wanaagsan iyo machinability, ka dib markii tempering, si roobab austenite ee carbides ka dib isbeddelka ee Halabuurka, ka dibna iyada oo loo marayo geedi socodka isbeddelka martensitic, inta badan ururka waxaa loo beddelaa geeddi-socod kaarboon hoose oo adag oo wanaagsan. Dabeecadda ka dib, isku-dhafka carbide roobabka austenite ayaa isbeddelaya, ka dibna iyada oo loo marayo habka isbeddelka martensitic, inta badan ururka ayaa loo beddelaa martensite kaarboon hooseeya oo adag oo wanaagsan, wuxuuna leeyahay sifooyin farsamo oo wanaagsan heerkulka dhexdhexaadka ah. 17-7PH iska caabbinta daxalka ayaa ka fiican birta guud ee martensitic.

    Bandhiga Alaabta

    • sax ah
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