Qhov txawv ntawm Triple Point thiab Eutectic Point yog dab tsi

Cov txheej txheem:

Qhov txawv ntawm Triple Point thiab Eutectic Point yog dab tsi
Qhov txawv ntawm Triple Point thiab Eutectic Point yog dab tsi

Video: Qhov txawv ntawm Triple Point thiab Eutectic Point yog dab tsi

Video: Qhov txawv ntawm Triple Point thiab Eutectic Point yog dab tsi
Video: qhov ncauj qhia tau neeg Tus YAM NTXWV thiab TXOJ HMOO 2024, Hlis ntuj nqeg
Anonim

Qhov sib txawv tseem ceeb ntawm triple point thiab eutectic point yog tias ntawm qhov taw tes triple, peb theem ntawm cov khoom muaj nyob rau hauv qhov sib npaug, whereas ntawm qhov taw tes eutectic, ib qho eutectic sib tov khov lossis melts.

Hloov qhov kub thiab siab ntawm cov tshuaj lom neeg tuaj yeem hloov lub cev lub cev lossis theem ntawm lub cev vim tias cov khoom hauv lub cev muaj cov ntsiab lus melting thiab kub kub uas cov theem hloov pauv ntawm cov khoom, kua, thiab roj. theem.

Triple Point yog dab tsi?

Qhov taw tes triple yog qhov kub thiab txias ntawm cov khoom, kua, thiab vapor theem ntawm ib qho khoom sib koom ua ke hauv qhov sib npaug. Nws piav qhia txog qhov tshwj xeeb thermodynamic lub xeev ntawm cov teeb meem. Qee zaum, qhov taw tes triple yuav koom nrog ntau tshaj ib theem khoom thaum muaj cov tshuaj polymorphs. Hauv daim duab qhia theem, lub ntsiab lus triple yog qhov taw tes uas tag nrho peb txoj kab ciam teb sib ntsib.

Triple Point thiab Eutectic Point - Sib piv ntawm ib sab
Triple Point thiab Eutectic Point - Sib piv ntawm ib sab

Daim duab 01: Triple Point

Eutectic Point yog dab tsi?

Eutectic point yog qhov kub thiab txias ntawm cov kua sib tov hloov mus rau ob theem khoom tib lub sijhawm thaum cov kua txias. Ib qho eutectic system yog homogenous sib xyaw ntawm cov khoom uas tuaj yeem yaj los yog khov ntawm qhov kub thiab txias uas qis dua qhov melting point ntawm cov khoom hauv qhov sib tov. Ntxiv mus, lub sij hawm eutectic kub piav qhia txog qhov qis tshaj qhov ua tau melting kub rau txhua qhov sib xyaw ua ke uas koom nrog hauv kev tsim cov sib tov.

Triple Point vs Eutectic Point hauv Daim Ntawv Tabular
Triple Point vs Eutectic Point hauv Daim Ntawv Tabular

Daim duab 02: Eutectic Point

Thaum cua sov ib qho eutectic sib tov, cov lattice ntawm ib feem ntawm qhov sib tov yuav yaj ua ntej ntawm qhov kub ntawm eutectic. Txawm li cas los xij, thaum txias cov txheej txheem eutectic, txhua qhov sib xyaw hauv qhov sib xyaw ua kom khov, tsim cov lattice ntawm cov khoom ntawm qhov sib txawv. Solidification tshwm sim kom txog thaum tag nrho cov ntaub ntawv los ua cov khoom. Feem ntau, ib qho eutectic system muaj ob yam: yog li, ntawm qhov kub thiab txias, cov kua hloov mus rau hauv ob theem khoom nyob rau tib lub sijhawm thiab qhov kub thiab txias. Yog li, peb tuaj yeem sau npe hom tshuaj tiv thaiv no ua cov tshuaj tiv thaiv peb-theem. Qhov no yog ib hom tshuaj tiv thaiv theem; Piv txwv li, ib tug kua solidifies, tsim alpha thiab beta khoom lattices. Ntawm no, cov kua theem thiab cov khoom theem yog nyob rau hauv equilibrium nrog ib leeg, ib tug thermal equilibrium.

Qhov txawv ntawm Triple Point thiab Eutectic Point yog dab tsi?

Qhov taw tes triple yog qhov kub thiab txias ntawm cov khoom, kua, thiab vapor theem ntawm ib qho khoom sib koom ua ke hauv qhov sib npaug. Lub sij hawm Eutectic point yog qhov kub thiab txias ntawm cov kua sib tov hloov mus rau hauv ob theem khoom tib lub sijhawm thaum txias cov kua. Qhov sib txawv tseem ceeb ntawm triple point thiab eutectic point yog tias nyob rau ntawm triple point, peb theem ntawm cov khoom muaj nyob rau hauv equilibrium, whereas ntawm lub eutectic point, ib qho kev sib xyaw eutectic freezes los yog melts. Hauv lwm lo lus, ntawm qhov taw tes peb zaug, peb theem sib koom ua ke ntawm tib qhov kub thiab txias, qhov chaw ntawm eutectic point, cov kua hloov mus rau hauv ob theem khoom ntawm qhov kub thiab txias.

Cov hauv qab no infographic teev qhov sib txawv ntawm qhov taw tes triple thiab eutectic point hauv daim ntawv teev npe rau ib sab ntawm kev sib piv

Summary – Triple Point vs Eutectic Point

Nyob rau hauv luv luv, triple point yog qhov kub thiab txias ntawm cov khoom, kua, thiab vapor theem ntawm ib yam khoom nyob rau hauv equilibrium, thaum lub eutectic point yog qhov kub thiab txias ntawm ib co kua sib tov. transforms rau hauv ob theem khoom nyob rau tib lub sij hawm thaum txias cov kua. Qhov sib txawv tseem ceeb ntawm triple point thiab eutectic point yog tias ntawm qhov taw tes triple, peb theem ntawm cov khoom muaj nyob rau hauv qhov sib npaug, whereas ntawm qhov taw tes eutectic, ib qho kev sib xyaw eutectic freezes lossis melts.

Pom zoo: