1.Dab tsi yog cov haujlwm tshwj xeeb thiab cov qauv ntawm cov khoom tsim?
Txais siv ultra-tsawg carbon lossis micro carbon tsim
Kev tswj cov pa roj carbon ntsiab lus hauv cov hlau mus rau qib qis heev (piv txwv li, 0.01% - 0.03%) txo qis cov pa roj carbon thiab nitrogen interstitial atoms ntawm qhov chaw, uas yog qhov tseem ceeb rau kev tshem tawm cov kev pheej hmoo ntawm kev laus.
2.Dab tsi yog cov haujlwm tshwj xeeb thiab cov qauv ntawm cov txheej txheem kub dov?
High-kub kawg dov thiab siab -kub coiling
Los ntawm kev tswj cov kub dov thiab coiling kub, nag lossis daus tus cwj pwm ntawm carbides tuaj yeem hloov pauv, yog li indirectly txhim kho cov laus tsis kam ntawm cov khoom kawg.
3.Dab tsi yog cov haujlwm tshwj xeeb thiab cov qauv ntawm cov txheej txheem txias dov?
Qhov no yog txoj kev ncaj ncees tshaj plaws ntawm kev tshem tawm cov kev laus uas twb muaj lawm lossis tiv thaiv kev laus:
• Xyuas kom txaus elongation ntawm lub flattening point: Los ntawm feeb txias deformation ntawm 0.5% mus rau 3%, pinned dislocations yog freed, tshem tawm cov yield toj siab.
• Tswj qhov kub ntawm qhov flattening: xyuas kom meej tias qhov kub ntawm cov hlau kauj yog flattened yog qis dua 45 degree. Kev kub siab heev (xws li, tshaj 40-45 degree) yuav ua rau kev laus, ua rau kev ua haujlwm tsis ruaj khov tom qab flattening.
4.Yuav tswj kev khaws cia thiab kev thauj mus los li cas?
Tswj qhov chaw khaws cia: Khaws cov hlau coils hauv qhov txias, qhuav warehouses thaum twg los tau, tsis txhob raug mus rau qhov kub thiab txias. Cov kub siab dua ua kom cov atomic diffusion thiab cov txheej txheem kev laus.
Shorten lub voj voog cov khoom lag luam: Ua raws li "thawj-hauv, ua ntej- tawm" ntshiv kev tswj cov txheej txheem kom txo lub sij hawm cov khoom ntawm steel coils, tshwj xeeb tshaj yog rau cov qis qis - carbon steel coils uas tsis tau dhau los tiv thaiv- kev laus. Kev xyaum tau pom tias txo qis lub voj voog ntau lawm los ntawm 18 hnub mus rau 13 hnub pab txo qhov kev pheej hmoo ntawm kev ua haujlwm hloov pauv los ntawm kev laus.
5.Dab tsi yog cov kev kho thiab kev pom zoo siv rau cov laus steel coils?
Kev tsim khoom- kev ntsuas sab nraud: Tshaj- kev kho mob laus: Qhov no yog cov txheej txheem kho cua sov tshwj xeeb. Cov uas twb muaj hnub nyoog steel kauj yog rov ua kom kub dua (piv txwv li, siab dua 300 degree) thiab tuav rau lub sijhawm luv luv (piv txwv li, 3-5 feeb). Qhov kub no tso cai rau carbon thiab nitrogen atoms kom tau txais lub zog txaus "dissipate" los ntawm lawv txoj haujlwm pinned, yog li tshem tawm lossis inhibiting kev laus. Txawm li cas los xij, qhov kev kho no feem ntau yuav tsum tau ua rau ntawm qhov tshwj xeeb nruam annealing lossis kub-dip galvanizing units.
Cov neeg siv - sab teb: me me ua ntej siv: Yog tias cov neeg siv qis qis (xws li cov nroj tsuag stamping) pom tias cov khoom muaj qhov nyiam me ntsis rau hnub nyoog ua ntej ua, ib qho me me ntxiv qib (siv me me elongation ntawm li 0.5%-1.5%) tuaj yeem ua rau ntawm lub tshuab qib siab kom tshem tawm ib ntus ntawm cov qoob loo. Txawm li cas los xij, qhov no yuav tsum tau ua kom ceev faj, vim tias kev tswj tsis raug ntawm qib theem yuav ua rau muaj teeb meem tshiab.