1. Dab tsi yog qhov sib txawv ntawm Nickel 201 thiab Nickel 200 puag ncig bar, thiab vim li cas nws muaj kev tsim qauv tseem ceeb?
Qhov sib txawv ntawm Nickel 201 (tsis paub txog n02201) thiab Nickel 200 (tsis yog tus neeg siv tshuaj lom neeg tab sis muaj txiaj ntsig ntawm qhov siab- kub ua tau zoo. Ob lub alloys yog kev ua lag luam ua kom pom tseeb ntshiab wrought (99.6% yam tsawg kawg nkaus) thiab qhia cov khoom siv hluav taws xob zoo, thiab qhov zoo. Lub txiav txim siab sib txawv nyob hauv lawv cov ntsiab lus carbon:
Nickel 200 (tsis yog tshaj plaws N02200): muaj qhov siab tshaj plaws ntawm 0.15% carbon.
Nickel 201 (unsal n02201): muaj ntau tshaj plaws ntawm 0.02% carbon (cov pa roj carbon tsawg).
Qhov kev cuam tshuam tseem ceeb: high -} kub ntshiab
Qhov kev sib txawv no hauv cov ntsiab lus carbon yog ib qho laj thawj ntawm ob lub nroog Nickel 201. Thaum Nickel 200 yog nthuav tawm txog qhov kub nyob sab saud yog li 315℃f) rau lub sijhawm ntev, cov pa roj hmab nyob rau hauv nws microstructure ua txawb. Nws migrates rau thaj tsam nplej thiab precipitates li plhuav me, intermetallic compound hu ua nickel carbide (ni₃c).
Qhov no nag lossis daus ntawm cov khoom sib xyaw ua ke kaw cov khoom siv ua ke thiab cuam tshuam tawv toppent {{} qhov tshwm sim hu ua intergrani embrittlement. Ib puag ncig bar kev txom nyem los ntawm no embrittlement tuaj yeem txhim kho tawg thaum muab kev pabcuam lossis txawm tias cov khoom siv kev puas tsuaj tsis ua hauj lwm.
Kev daws teeb meem: Nickel 201 round bar
Nickel 201 tau tshwj xeeb engineered kom tshem tawm qhov kev pheej hmoo no. Los ntawm drastically txo cov ntsiab lus carbon, muaj tsis muaj cov pa roj carbon lawm, muaj cov carbides ntawm cov ciaj ciam av, txawm tias tom qab lub sij hawm raug rau kev kub siab.
Xaus: Rau txhua daim ntawv thov uas qhov chaw ncig ncig yuav muaj qhov kub tsis tu ncua saum 315℃f), nickel 201 tsis yog lwm txoj kev xaiv; Nws yog qhov yuav tsum tau xaiv. Kev Qhia Txog Nickel 200 hauv xws li daim ntawv thov yog qhov tsim nyog tsim nyog yuam kev uas muaj kev sib luag thiab muaj kev ncaj ncees.
2. Dab tsi yog cov khoom tseem ceeb thiab lub cev ntawm Nickel 201 hloov Bar muaj feem xyuam rau kev machining thiab sib zog tsim?
Nkag siab txog lub nroog Nickel 201 hloov bar yog qhov tseem ceeb rau kev tsim cov khoom siv hluav taws xob thiab tsim cov khoom siv machining zoo.
Cov khoom siv neeg kho tshuab (ib txwm muaj rau annealed mob):
Tensile lub zog: 50, 000 - 65}, 000 psi ({}} mpa mpa mpa mpa)
Tos lub zog (0.2% offset): 15, 000 - 25}, 000 psi ({}} mpa mpa mpa mpa)
Elongation (hauv 2 nti): 40%- 50%
Hardness: Rockwell B 65 - 85
Cov Khoom Tseem Ceeb:
Quav: 0.321 lb / nyob rau hauv (8.89 g / cm³)
Melting taw tes: {2615 - 2635℃f (1435 - 1446 degree)
Thermal nthuav tawm coefficient (70-212 Xatefate F): 7.4 X 10⁻⁶ / Degree F (13.3 x 10⁻⁶ / degree)
Thermal conductivity: 70 w / min k
Cov khoom sib nqus: Ferromagnetic ntawm chav sov, tab sis ua tsis tau - sib nqus saum toj ntawm 680℃f (360 degree).
Tsim thiab machining cuam tshuam:
Ductility siab, nruab nrab lub zog: lub siab elongation tus nqi qhia tau qhov tshwj xeeb, tso cai rau qhov bar kom txias - tsim los yog forged. Txawm li cas los xij, tus nqi tsawg rov qab lub zog txhais tau tias kom muaj siab dua - lub zog}} muaj zog alloys zoo li alloy 625.
Kev ua haujlwm sai sai ua haujlwm tawv: Qhov no yog qhov tseem ceeb tshaj plaws cuam tshuam rau machin. Nickel 201 {- ua kom tawv sai sai thaum lub sijhawm txiav. Yog tias cov cuab yeej rubs es tsis txhob txiav qhov zoo, nws ua rau lub ntsej muag zoo, ua kom dhau kis dhau mus dhau ib qho nyuaj thiab nrawm dua thiab ua kom nrawm dua.
Lub peev xwm kub: Thaum nws cov pa roj carbon tsawg tiv thaiv kev sawv daws kev, lub alloy cov neeg kho tshuab zog txo qis ntawm cov kub heev. Its primary use is for corrosion resistance at high temperatures, not for mechanical load-bearing at those temperatures.
3. Nyob rau hauv uas tshwj xeeb siab - kub thiab cov ntawv thov corrosive yog npib tsib caug 201 round bar cov khoom siv ntawm kev xaiv?
Nickel 201 khiav bar yog teev nyob rau hauv kev lag luam uas nws cov kev sib xyaw ua ke ntawm high- qhov kub thiab txias tsis kam. Nws yog qhov mus - rau cov khoom siv rau cov ntawv thov uas tawm ntawm Nickel 200 vim muaj kev txhawj xeeb kub.
Caustic dej qab zib (sodium hydroxide) ntau lawm: Qhov no yog daim ntawv thov classic. Cov kab ke sib txuas yog machined rau hauv cov khoom tseem ceeb xws li cov av muaj zog, cov roj av lub nkoj uas txias tshaj plaws ntawm qhov kub tshaj 315℃(600℃f). Nickel 201 muab tsis tau unmatched tsis kam rau kub, concentrated alkalis.
Alkaline dej electrolysis tsim cov hydrogen ntau: niaj hnub niaj hnub siv cov poov tshuaj hydroundures (kohle) Nws cov ruaj khov ua kom ntev - kev ua haujlwm tsis muaj embrittlement.
Kev kho tshav kub thiab ua kom sov cov ntaub ntawv: Nickel 201 round bar yog siv los ua kom sov dua los yog ua kom muaj zog nyob rau hauv ib qho kev kub siab tshaj 600℃F. Nws lub zog thiab kev tawm tsam rau carburization ua rau nws zoo tagnrho.
Aerospace thiab Rocketry: Cheebtsam tau kub thiab cov roj ntsha, xws li lub cav nce, cov qauv kev txhawb nqa, thiab cov txheej txheem kua dej.
Cov zaub mov thiab kev ua khoom noj khoom haus thiab cov khoom siv rau kev tuav cov roj acids thiab zaub roj kub thiab tsis kam mus rau kev cuam tshuam yog qhov tseem ceeb. Machined Shafts thiab fittings los ntawm Nickel 201 bar muaj ntau.
Khoom cua fiber ntau lawm
Hauv cov hauj lwm no, kev nqis peev hauv npib tsib rov qab los ntawm nws cov tsis muaj kev cia siab, uas tiv thaiv cov khoom tsis muaj zog thiab cov khoom siv phom sij.
4. Dab tsi yog cov lus qhia tseem ceeb rau kev ua tiav machining noickel 201 round bar?
Machining Nickel 201 puag ncig bar yuav tsum muaj cov txheej txheem uas cuam tshuam nws nyiam ua haujlwm - tawv. Ua raws li cov lus qhia no yog qhov tseem ceeb rau kev ua tiav cov txiaj ntsig zoo.
TSEEM NYEEM:
Ua haujlwm tawv tawv: thawj lub chaw khuam siab, ua rau qhov chaw tsis zoo ua tiav thiab lub cuab tam nrawm kev hnav yog tsis tswj hwm.
Cov tawv nqaij tawv, cov khoom lag luam tsim cov sijhawm ntev, cov chips tas tas li uas tuaj yeem cuam tshuam nrog kev phom sij muaj kev phom sij.
Siab txiav: nws lub zog thiab tawv xav tau rigid teeb thiab haib machinery.
Kev Ua Zoo Tshaj Plaws rau Machining:
Tuam kev xaiv thiab geometry:
Cov khoom siv: Siv ntse, zoo - ray -} lub kaum sab xis. Cov ntxig carbide yog qhov pom zoo rau lawv cov coj tsis kam thiab muaj peev xwm tswj tau ntse ntse. C-2 lossis C-3 cov qhab nia yog qhov tsim nyog.
Geometry: lub rakle fake lub kaum sab xis yog qhov tseem ceeb rau shear cov khoom huv si es tsis txhob thawb nws ib sab, uas ua rau muaj kev ua haujlwm hnyav.
Tej Ntsuas:
Tsawg ceev, siab pub: siv qeeb qeeb saum npoo nrawm dua li rau cov hlau tab sis ua haujlwm hnyav, cov nqi pub noj hnyav. Lub hom phiaj yog ua kom muaj qhov tob txaus txiav kom tau hauv cov haujlwm - hardened txheej tsim los ntawm kev hla dhau los.
Zam kev txiav lub teeb: lub teeb tso tawm thiab qhov tob tob ntawm kev txiav yog qhov tsis zoo li lawv txhuam thiab ua haujlwm- tawv nqaij.
Coolant thiab lubrication:
Siv cov ntws dav heev ntawm qhov siab - Zoo, leej faj -}}}}}}}}}}}}}}}}}}} kev txiav cov kua lossis txias. Qhov no pab kom txo cov cua sov, txhim kho cov npoo ua tiav, thiab pabcuam hauv cov chips tawg.
Ntiav tswj:
Siv cov cuab yeej nrog chip breakers tsim rau cov khoom tawv los tsim cov khoom tawv, tswj hwm "C" Sharmed Chips hloov cov hlua ntev, txaus ntshai.
Rigidity:
Nco ntsoov tias lub workpiece, cov cuab yeej nrog, thiab tshuab ua kom nruj ua tau kom txo qis kev co, uas tuaj yeem ua haujlwm hnyav.
5. Dab tsi cov qauv thiab ntawv pov thawj ua kom zoo ntawm Nickel 201 puag ncig bar?
Txhawm rau lav cov khoom ua tau zoo thiab kev ua tau zoo kawg nkaus, npib tsib rov qab 201 round bar yog tsim kom nruj rau cov qauv thoob ntiaj teb. Cov ntaub ntawv tsim nyog yog qhov tseem ceeb rau kev paub tseeb.
Kev Tswj Xyuas Cov Qauv Qauv:
ASTM B160: Qhov no yog thawj tus qauv rauTxheem Cov Qauv Rau Nickel Qws Thiab BarCov. Nws nkag siab txog cov tshuaj lom neeg muaj pes tsawg leeg (suav nrog qhov tseem ceeb 0.02% cov pa roj carbon), qhov ntev, thiab thev rau npib tsib (tsis yog N02201).
ASME SB - 160: Nov yog ASME Boiler Thiab Siab Hlav Code. Nws yog raug cai rau cov khoom siv uas siv hauv ASME-stamped siab cov hlab ntsha lossis nuclear cov ntawv thov.
Cov ntaub ntawv tseem ceeb: Daim Ntawv Qhia Kev Xeem (Mtr)
Kuj tseem hu ua daim ntawv pov thawj zeb xeem, MT yog ib daim ntawv pov thawj uas muaj cov txheej txheem tag nrho rau txoj kev taug. Ua tiav MT yuav tsum muaj:
Thaum tshav kub naj npawb: tus cim cim tshwj xeeb uas yuav tsum tau qhov chaw rov qab rau nws cov thawj yaj.
Tshuaj Ntsuam Xyuas Tshuaj: Cov ntawv pov thawj kuaj ntsuas rau txhua cov ntsiab lus, lees paub kev ua raws li ASTM B160, tshwj xeeb tshaj yog cov ntsiab lus muaj roj carbon ntau.
Cov Cuab Yeej Siv Kho Tshuab: Qhov tseeb tensile, tawm los, thiab elongation nqi los ntawm kev sim ua ntawm cov qauv los ntawm tib lub cua sov.
Cov ntaub ntawv kho cua sov: kev pom zoo tias qhov bar tau muab rau hauv cov kev kawm tsis meej los ua kom ntseeg tau tias kev ua kom pom kev zoo thiab corrosion tsis kam.
