1.Dab tsi yog qhov cuam tshuam ntawm qhov kub tsis sib xws?
Cov khoom siv raw rau txias- dov coils yog kub- dov coils. Cov kev tshawb fawb tau pom tias thaum lub sij hawm ua kom txias ntawm kub -rolled coils, qhov cua txias ntawm qhov pib thiab qhov kawg yog feem ntau sai dua nyob rau hauv nruab nrab. Rau cov hlau zoo li DP980, qhov no ua rau muaj zog ntau dua thaum pib thiab xaus piv rau nruab nrab, thiab qhov sib txawv no tau txais los ntawm cov khoom txias tom qab - dov.
2.Dab tsi yog qhov cuam tshuam ntawm qhov kub thiab txias nyob rau hauv lub qhov cub tawg tas li?
Cov khoom kawg ntawm cov khoom txias -rolled coils feem ntau txiav txim siab los ntawm cov txheej txheem annealing.
Kev nrawm nrawm nrawm nrawm: Tsis txaus cua sov ntawm cov sawb hauv lub cub tawg tuaj yeem ua rau tsis tiav recrystallization lossis tsis txaus cov qoob loo loj hlob, ua rau lub zog siab tab sis qis elongation, txhais tau tias cov khoom yuav nyuaj thiab nkig.
qeeb qeeb annealing ceev: Tshaj siab heev strip kub, muaj peev xwm tshaj lub austenitizing kub ntawm pearlite, ua rau spheroidization ntawm pearlite nyob rau hauv lub microstructure, txo cov khoom lub zog.
3.Dab tsi yog cov yam ntxwv ntawm "carbon nce" hauv tswb-hom annealing?
Rau nyias - ntsuas IF steel (interstitial atomless steel, hom sib sib zog nqus- kos duab steel) annealed nyob rau hauv lub tswb- hom rauv, qhov no yog ib qho ua rau tsis sib xws.
Lub hauv paus ntsiab lus: Cov emulsion tseem tshuav ntawm lub strip nto tom qab pickling thiab dov yuav tawg thaum lub sij hawm annealing cua sov. Cov pa roj carbon monoxide reacts nrog hydrogen los tsim methane. Thaum qhov kub siab tshaj 700 degree, methane decomposes tso tawm active carbon atoms.
Yog vim li cas: Cov pa roj carbon activated no adsorb rau ntawm daim tawv nqaij thiab diffuse sab hauv, ua rau deg carburization. Vim tias cov npoo ntawm cov hlau coil muaj kev sib cuag nrog cov cua ntau dua, cov pa roj carbon nce ntawm cov npoo yog siab dua nyob rau hauv nruab nrab, ua rau lub zog ntawm ntug ntau dua. Cov kev tshawb fawb tau pom tias qhov sib txawv ntawm qhov sib txawv tuaj yeem ncav cuag qhov xav tsis thoob 89 MPa.
4.Dab tsi yog qhov cuam tshuam ntawm caj ces ntawm kub dov coiling kub?
Lub coiling kub nyob rau hauv cov txheej txheem kub dov tsis tsuas yog lub longitudinal kev taw qhia tab sis kuj transverse kev taw qhia ntawm lub microstructure uniformity. Cov kub coiling siab dua (xws li 650 degree) tuaj yeem ua rau cov nplej zoo dua lossis txawm tias cov nplej sib xyaw hauv cov ntawv kub -rolled, thiab nag lossis daus ntawm cov cementite ntawm cov ciam teb. Cov no tsis yog-cov qauv microstructures yuav tau txais los ntawm cov ntawv tiav tom qab tom qab txias dov thiab annealing, ua rau muaj qhov sib txawv ntawm cov khoom siv kho tshuab (xws li cov yas strain piv r tus nqi) nyob rau hauv ntau qhov chaw.
5.Dab tsi yog qhov tshwm sim ntawm tus qauv tsim qauv?
Raws li kev tshawb fawb tshiab, yog tias qhov sib piv ntawm qhov sib npaug ntawm qhov dav dav rau qhov sib npaug ntawm qhov dav ntawm cov qauv tensile tsis tsim kom zoo, lub xeev kev ntxhov siab yuav raug cuam tshuam thaum lub sijhawm kuaj, ua rau muaj qhov txawv txav ntawm qhov tensile nkhaus thaum lub sij hawm cov yas deformation. Qhov no yuav cuam tshuam qhov ntsuas qhov ntsuas qhov taw qhia elongation thiab lwm yam ntsuas, ua rau kev txiav txim siab yuam kev tias cov khoom nws tus kheej tsis ruaj khov.