Ib qho tshuaj tiv thaiv kab mob yog cov tshuaj tiv thaiv qhov twg cov theem khoom thiab cov theem ua kua yuav ua ke ua ib theem thib ob ntawm qhov kub thiab muaj pes tsawg leeg - piv txwv li
Dab tsi yog qhov tshwm sim eutectic thiab peritectic?
Eutectic point - lub ntsiab lus ntawm daim duab qhia theem uas qhov siab tshaj plaws ntawm cov theem tso cai nyob rau hauv qhov sib npaug. … Peritectic point - Lub ntsiab lus ntawm daim duab qhia theem uas qhov kev tshwm sim yuav siv qhov chaw nruab nrab ntawm theem yav dhau los nag thiab cov kua los tsim cov theem tshiab.
Cov tshuaj tiv thaiv tsis sib xws yog dab tsi?
Ib qho tshuaj tiv thaiv tsis sib xws rau binary alloy yog ib qho tshwm sim thaum peb theem nyob rau hauv qhov sib npaug. … Eutectic, peritectic, monotectic, peritectoid thiab eutectoid cov tshuaj tiv thaiv yog txhua yam tsis sib xws thiab tshwm sim ntawm qhov kub tsis sib xws rau lub cev.
Yuav ua li cas yog eutectic tshuaj tiv thaiv?
Ib qho tshuaj tiv thaiv eutectic yog peb-theem tshuaj tiv thaiv, los ntawm qhov uas, ntawm qhov txias, cov kua hloov mus rau hauv ob theem khoom tib lub sijhawm. Nws yog cov tshuaj tiv thaiv theem, tab sis tshwj xeeb. Piv txwv li: kua alloy ua cov khoom sib tov ntawm alpha thiab beta ntawm qhov kub thiab txias (tsis yog tshaj qhov kub ntau).
Yuav ua li cas yog peritectic tshuaj nyob rau hauv steel?
Ib qho tshuaj tiv thaiv peritectic txhais tau tias yog tawm tsam ntawm cov theem ua kua thiab theem thawj cov khoom tsim los tsim cov theem ob. Hauv cov hlau-puag thiab steel alloys, cov yaj (L) reacts nrog delta-ferrite, δ, raudaim ntawv gamma-austenite, γ, ntawm L / δ interface.
