Qhov sib txawv ntawm hastelloy thiab monel -} kev paub

1. Tshuaj lom neeg sib xyaw (kev pom sib txawv)

Thawj qhov sib txawv ntawm lawv cov khoom siv hluav taws xob hauv paus thiab cov khoom siv alloy, uas tsav ncaj qha tsav lawv qhov kev ua tau zoo:

Almoy Tsev Neeg	Cov Hlau Hlau	Qhov Tseem Ceeb Alloying Ntsiab Lus	Cov ntsiab lus npib tsib xee
Tus mlom	Nickel (NI) + Tooj (CU)	Tooj liab (20-35%) yog cov hlau sib tw qub; Ib qho ntxiv me me (piv txwv li, al, ti hauv monel k500 rau hardening).	60–70%
Lawg	Npib tsib caug (ni)	Chromium (CR: 15-25%), Molybdenum (MO: 8-18%), thiab feem ntau tungsten (FE), lossis cobalt (CO); Tooj liab yog qhov tsawg heev lossis tsis tuaj.	40-65% (nws txawv ntawm qib)

Monel yog txhais los ntawm nwsNickel - hawb tooj liab matrix, thaum hastelloy yog ib tsev neeg dav dav ntawmNickel - chromium - molybdenum (ni {}} mo) alloys(nrog variations). Qhov no suav sib xyaw yog lub hauv paus ntawm lawv cov khoom sib txawv.

2. Corrosion Kuj (Qhov Chaw Sib Txawv Tseem Ceeb)

Ob qho kev tiv thaiv corrosion, tab sis lawv lub zog nyob rau hauv cov chaw sib txawv - Qhov no yog qhov ua tau zoo tshaj plaws rau kev xaus- cov neeg siv:

Tus mlom:

Txawj rau hauvnruab nrab rau me ntsis acidic / alkaline ib puag ncig, Tshwj xeeb cov uas muaj:

Dej hiav txwv thiab cov tub rog ib puag ncig (resistits pitting, crevice corrosion, thiab bioficing).

Dilute acids (piv txwv li, sulfuric acid ntawm cov kev sib haum xeeb / kub) thiab tsis {{oxidizing acids.

Alkaline daws (piv txwv li, sodium hydroxide) thiab organic kuab tshuaj.

Kev txwv: Tsis kam mus rau muaj zog oxidizing acids (piv txwv li, concentrated nitric acid) thiab siab - kub oxidizing ib puag ncig (vim yog cov ntsiab lus chromium).

Lawg:

Tsim rauHuab Ntses Corrosive, tshwj xeeb:

Muaj zog oxidizing cov kua qaub (piv txwv li, concentrated nitric acid, cov kua qaub sib xyaw zoo li Aas Regia) - Ua tsaug rau cov chromium siab.

Muaj zog reducing acids (piv txwv li, hydrochloric acid, hydrofluoric acid) - txhim kho los ntawm molybdenum / tungsten.

Siab -}, 600-1000℃hauv kev ua kom sov lossis roj turbines ib txheej oxide txheej.

Chloride {{0 {}} Cov txheej txheem nplua nuj, cov txheej txheem dej ntws) - tiv thaiv pitting thiab kev ntxhov siab corrosion tawg (SCC) zoo dua li Monel.

Tus yam ntxwv: Hastelloy C276 tau siv dav hauv kev ua lag luam rau nws txoj kev tiv thaiv kom tau ze rau tag nrho cov organic thiab inorganic acids.

3. Cov Khoom Siv Kho Tshuab & Kub Kuj

Lawv lub zog thiab kev ua tau zoo ntawm kev nce siab kub kuj sib txawv:

Ntiag tug	Tus mlom	Lawg
Lub zog	Nruab nrab rau siab (ntawm daus daus hardening hauv qib nyiam K500). Annealed Monel (piv txwv li, 400) muaj kev du ncauj zoo tab sis qis zog.	Siab rau siab heev (xam phaj los ntawm ni - cr {{1} mo} mo} Mo} mo} Mo} Mo} Mo} Mo} Mo} Mo} Mo} Kuv Matrix). Muaj ntau cov qib (piv txwv li, hastelloy x) khaws lub zog ntawm kev kub siab (txog 1200 degree).
Siab - kub kev ua tau zoo	Txwv: khaws lub zog ntawm ~ 500 degree; Saum toj no, oxidation thiab creep (qeeb deformation nyob rau hauv load) ua teeb meem.	Zoo heev: tsim rau high -}} qhov kev siv ntsuas kub (piv txwv li ntawm kev tso cua sov hauv aerospace lossis cov khoom siv fais fab
Kev muaj zog	Zoo toughness ntawm chav sov; txo qis me ntsis ntawm tsawg kub.	Tshwj xeeb nruj heev, txawm tias ntawm cryogenic kub (piv txwv li hastelloy c22 ua haujlwm ntawm -270 degree) thiab kub.

info-449-443 info-442-436

4. Cov ntawv thov raug

Lawv cov khoom tshwj xeeb ua kom haum nrog kev lag luam txawv:

Daim Ntawv Thov Nyiaj Monel:

Tsom rau cov tubrog nkoj, sab nrauv, thiab muaj cov tshuaj tsis huv uas muaj qhov chaw dej hiav txwv lossis muaj mob me me yog qhov kev sib tw tseem ceeb:

Marine kho vajtse (cov ntaub thaiv cov kiv cua, cov li qub, yav tom ntej ntawm kev txuas).

Roj thiab roj downhole cov cuab yeej (rau tsis - xidizing kua).

Cov khoom noj khoom noj khoom haus (tiv taus organic acids thiab tu cov kev daws teeb meem).

Npib nyiaj (piv txwv li, qee tus npib Asmeskas siv Monel rau durability).

Kev siv haastelloy:

Centre rau ntawm huab cua huab, aerospace, thiab tshuaj lom neeg scenarios:

Tshuaj lom neeg (reactors, kev sib pauv cua kub, twj rau cov kua qaub muaj zog).

Aerospace thiab roj turbines (kev sib txuas ua ke, turbine hniav rau siab - kev pab kub).

Cov khib nyiab tsis sib xyaw (tiv taus corrosive flue gases).

Kev lag luam nuclear (Cheebtsam rau cov khoom siv roj thiab tshuab coolant).

5. Tus nqi & tshuab luam ntawv

Tus nqi: Hastelloy feem ntaukim duatshaj li Monel. Cov ntsiab lus siab ntawm cov hlau tsis tshua muaj tshuaj (molybdenum, tungsten) thiab complex tsim cov txheej txheem (kom ntseeg tau tias muaj homogoTso. Monel, nrog yooj yim ni - mov} mov -}}} Siv tau zoo rau kev siv hluav taws xob tsawg.

Luam ntawv: Ob qho no yog suav tias "nyuaj rau lub tshuab" vim muaj zog thiab ua haujlwm tawv. Txawm li cas los xij, Monel (tshwj xeeb tshaj plaws annealed qib) yooj yim me ntsis rau tshuab dua hastelloy (uas muaj ntau dua hardness thiab todness, uas yuav tsum tau tooling tshwj xeeb).

Qhov sib txawv ntawm hastelloy thiab Monel

1. Tshuaj lom neeg sib xyaw (kev pom sib txawv)

2. Corrosion Kuj (Qhov Chaw Sib Txawv Tseem Ceeb)

3. Cov Khoom Siv Kho Tshuab & Kub Kuj

4. Cov ntawv thov raug

5. Tus nqi & tshuab luam ntawv