Hardened ID Yambala Payipu AR600 Okuziyiza okusika .

Hardened ID Yambala Payipu AR600 Okuziyiza okukutuka .

Nickel hard white cast iron okwambala-payipu egumikiriza .

Nickel hard cast iron kye kyuma ekyeru ekisuuliddwa nga kirimu nickel ne chromium, ekitera okuyitibwa ni-kizibu mu nsi. Okusinziira ku birimu chromium, esobola okugabanyizibwamu ebika bibiri: W (CR) 2% ne W (CR) 9%.

Mu kyuma ekikaluba ekikaluba ekya nickel ekya 2% W (CR), carbide ye (FE, Cr) C, nga n’obukaluba bwa 1100 ~ 1150 HV, okusinga obukaluba bwa carbide eya bulijjo Fe, C (900 ~ 1000 HV). Mu nickel hard white cast iron eya 9% W (CR), carbide asinga ye (CR, Fe) C3 n’obukaluba obusingako. Ebifaananyi 8-6 biraga okugattibwa kwa CR ku kutondebwa kwa kabodi.

Nickel esinga okujjula mu kyuma ekikalu ekikalu ekisuuliddwa kwe kulongoosa quenability y’ekyuma ekisuuliddwa, ekiyamba okufuna matrix y’ekyuma eyesigamiziddwa ku martensite-, naye bulijjo ewerekerwako omuwendo omunene ogwa austenite esigadde. Omuwendo gw’ebintu ebirimu nikele gusinziira ku buwanvu bw’ekisenge ky’ekisengejja, era nikele ali mu kisenge ekinene eky’okusuulamu ku bbugwe alina okutwala ekkomo erya waggulu.

(1) kaboni. Ekyuma ekisuuliddwa mu kaboni omungi kirina obukaluba obw’amaanyi, obuziyiza obulungi obw’okwambala n’enjawulo ku ngulu, ate kaboni omutono ye vice versa. okusinziira ku nkola ez’enjawulo 2) silicon. ebirimu silikoni mu Ni-ebikaluba 1 ne Ni-ebikaluba 2; Ebirungo bya chromium ebingi ebya Ni-ebikaluba 4 biva ku 1.8%~2.0%. Ekigonjoola eky’oku ntikko kitumbula okutondebwa kwa (FE, CR), C; Ekika kya carbide, era kyongera ku bbugumu lya maline M, ekivaako okufuna matrix ya martensite, naye nga silicon quenching waggulu ate nga ntono.

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(1) Ekirungo kya kemiko eky’ekyuma ekikalu ekya nickel hard white cast kifunye omutindo gw’eggwanga mu China (laba ekipande 8-2). Omutindo gwa American Materials Testing Association (ASTM) guyingiziddwa mu Amerika era nga gwawuddwamu ebika nnya A, B, C ne D (laba Appendix E2). Mu Bungereza, Girimaani nayo ekkirizza omutindo gw’eggwanga. Ekitongole ky’ensi yonna ekya Nickel Corporation era kiwandiika eddagala eririmu ekyuma ekikalu ekya nickel hard white cast (laba ekipande 8-16).

(3) Chromium. Chromium etumbula okutondebwa kwa carbide, era erongoosa okugatta kwa chromium mu Ni-hard 4 ne carbon ne silicon, olwo ebisinga ku coptectic carbide bifuuke (FE, CR) C3, okulongoosa obuziyiza bw’okwambala n’okukosebwa okukosebwa .

(4) Nickel. Nickel esinga kusaanuuka mu matrix y’ekyuma, esobola bulungi okulongoosa quenability n’okutumbula okutondebwa kwa martenite oba besite matrix. Okubuuza kwa MI-Olunaku 4 kuli waggulu nnyo okusinga okwa Ni-hard 1, ekiyinza okukola okusuula n’ekitundu kkumi okusukka mm 200. Nickel etumbula graphitization, kale nickel hard white mouth blue iron beard erina omuwendo ogugere ogwa chromium element okwewala okutondebwa kwa graphite. Nickel atebenkeza austenite, era nikele omungi avaamu austenite esingawo.

(5) Manganese. Manganese asobola okutebenkeza Austenite, kale ebirimu manganese bitono.

(6) Molybdenum. Molybdenum esobola okulongoosa quenability era esobola okusiigibwa ku thick castings bwe kiba kyetaagisa.

Kampuni yaffe efulumya ebbugumu-Embala eziyiza-eguziyiza, ezisobola okulongoosa okwambala-payipu eziziyiza okusinziira ku byetaago bya bakasitoma.

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