Qhov sib txawv tseem ceeb ntawm cov hlau thiab amalgam yog tias cov hlau muaj kev sib xyaw ntawm cov hlau thiab cov hlau tsis muaj hlau thaum lub amalgam muaj cov hlau ua ke.
Ob qho tib si alloy thiab amalgams yog sib xyaw ntawm cov khoom sib txawv nrog rau cov hlau. Lawv muaj kev siv sib txawv thiab cov khoom sib txawv thiab. Ob qho tib si alloys thiab amalgam qhia cov yam ntxwv sib txawv dua li lawv cov khoom pib.
Alloy yog dab tsi?
Alloys yog cov khoom siv hlau. Ib qho alloy muaj tsawg kawg yog ib qho hlau nrog rau lwm cov khoom. Alloys tau txhim kho cov khoom thaum piv rau cov khoom ntawm txhua lub ntsiab lus uas lawv tau ua los ntawm. Peb tuaj yeem tau txais cov khoom no los ntawm kev sib xyaw cov ntsiab lus sib txawv. Yog li ntawd, lawv muab cov khoom xav tau los ntawm kev sib xyaw cov hlau sib txawv thiab cov khoom sib txawv. Yuav luag tag nrho cov alloys muaj luster vim muaj cov khoom siv hlau. Alloys kuj tuaj yeem ua hluav taws xob vim muaj cov khoom siv hlau.
Peb tuaj yeem faib cov alloys hauv ntau txoj kev. Piv txwv li, lawv tuaj yeem ua homogenous lossis heterogeneous. Homogenous alloys muaj cov khoom faib thoob plaws hauv cov khoom sib xws. Heterogeneous alloys, ntawm qhov tod tes, muaj cov khoom faib tawm hauv qhov tsis sib xws.
Daim duab 01: Ntau hom Alloys
Tsis tas li ntawd, muaj cov khoom hloov pauv thiab sib cuam tshuam. Cov hlau hloov pauv yog cov hlau alloys tsim los ntawm kev hloov ib lub atom hlau rau lwm cov hlau atom ntawm qhov loj me. Interstitial alloys yog cov hlau alloys tsim los ntawm kev ntxig cov atoms me rau hauv qhov ntawm cov hlau lattice.
Amalgam yog dab tsi?
Amalgam yog sib xyaw ntawm cov hlau sib txawv uas siv los ua cov hniav txhaws hauv kev kho hniav. Nws yog qhov zoo tshaj plaws thiab feem ntau cov hniav txhaws peb siv niaj hnub no. Qee lub sij hawm peb hu nws "silver amalgam" vim nws tshwm hauv cov xim nyiaj. Feem ntau, cov khoom ntim no muaj cov kua mercury thiab sib xyaw ntawm cov hlau alloys. Peb tuaj yeem siv nws los sau cov kab noj hniav kom tiv thaiv cov hniav.
Daim duab 02: Amalgam Filling in Teeth
Feem ntau, amalgam muaj mercury (kwv yees li 50%) nrog rau cov nyiaj, tin, tooj liab, thiab lwm yam kab kawm. Thaum tsim cov filling no, tus kws kho hniav yuav tsum xub siv cov khoom sib tov thiab sib tov cov nyiaj-raws li alloy thiab mercury kom txog thaum nws ntub dej kom huv si. Tom qab ntawd, tus kws kho hniav yuav tsum tau muab cov tshuaj no tso rau hauv kab noj hniav ua ntej nws teeb. Lub amalgam feem ntau nthuav txog 0.1% nyob rau lub sijhawm ntawm 6-8 teev.
Qhov txawv ntawm Alloy thiab Amalgam yog dab tsi?
Ob qho tib si alloy thiab amalgam yog sib xyaw ntawm cov khoom sib txawv nrog rau cov hlau. Qhov sib txawv tseem ceeb ntawm cov hlau thiab amalgam yog tias cov hlau muaj kev sib xyaw ntawm cov hlau thiab cov hlau tsis zoo thaum amalgam muaj cov hlau ua ke. Feem ntau, cov amalgam muaj mercury, nyiaj, tin, tooj liab thiab lwm yam kab kawm.
Ntxiv mus, cov alloys muaj ntau yam kev siv tseem ceeb xws li kev tsim kho, tsim cov khoom hauv chav ua noj, thiab lwm yam. Meanwhile, cov amalgam yog siv los ua cov hniav ntim khoom los tiv thaiv cov hniav. Cov kws kho hniav ua kom cov amalgam sib tov thaum lub sijhawm ua tiav daim ntawv thov; lawv yuav tsum sib tov mercury nrog ib tug silver-raws li alloy thiab siv rau hauv cov kab noj hniav ua ntej teeb.
Hauv qab infographic qhia txog qhov sib txawv ntawm alloy thiab amalgam.
Summary – Alloy vs Amalgam
Ob qho tib si alloy thiab amalgam yog sib xyaw ntawm cov khoom sib txawv nrog rau cov hlau. Qhov sib txawv tseem ceeb ntawm cov hlau thiab amalgam yog tias cov hlau muaj kev sib xyaw ntawm cov hlau thiab cov hlau tsis zoo thaum amalgam muaj cov hlau ua ke.
