Cov hlau ntshiab yog cov mos mos piv rau ntau lwm cov hlau vim nws cov qauv atomic tshwj xeeb thiab cov yam ntxwv sib txuas. Nov yog qee qhov laj thawj tseem ceeb vim li cas hlau ntshiab yog mos:
Hlau Bonding: Cov hlau ntshiab muaj cov qauv siv lead ua hlau, uas cov atoms tuav ua ke los ntawm cov hlau nplaum. Cov ntawv cog lus no kuj tsis muaj zog piv rau covalent lossis ionic bonds pom hauv lwm cov ntaub ntawv. Cov ntawv cog lus tsis muaj zog tso cai rau cov atoms txav mus los yooj yim dua thiab yooj yim, uas ua rau cov mos mos ntawm cov hlau ntshiab.
Tsis muaj Alloying Elements: Cov hlau ntshiab tsis muaj cov ntsiab lus alloying uas tuaj yeem ua rau nws tawv. Alloying cov ntsiab lus, xws li carbon, chromium, npib tsib xee, thiab molybdenum, tuaj yeem ua rau muaj zog thiab lub zog ntawm cov hlau los ntawm kev tsim cov sib txuas sib txuas los yog hloov cov qauv siv lead ua. Yog tsis muaj cov ntsiab lus alloying, cov hlau ntshiab tseem tseem mos.
High ductility thiab malleability: Cov hlau ntshiab yog cov ductile thiab malleable, txhais tau tias nws tuaj yeem raug deformation tseem ceeb yam tsis muaj kev tawg lossis tawg. Cov khoom no yog qhov qhia txog cov khoom muag muag uas tuaj yeem ua tau yooj yim thiab tsim.
Kev kub ntxhov: Lub hardness ntawm cov hlau ntshiab tuaj yeem cuam tshuam los ntawm qhov kub thiab txias. Nyob rau hauv chav tsev kub, cov hlau ntshiab kuj yog mos. Txawm li cas los xij, raws li qhov kub nce, cov atoms hauv cov hlau vibrate sai dua thiab cov hlau nplaum tsis muaj zog, ntxiv txo cov hardness ntawm cov khoom. Hloov chaw, ntawm qhov kub tsis tshua muaj, cov hlau ntshiab ua nkig thiab muaj kev cuam tshuam ntau dua rau kev tawg.
Hauv cov ntsiab lus, cov hlau ntshiab yog mos vim nws cov hlau sib txuas, tsis muaj cov ntsiab lus alloying, siab ductility thiab malleability, thiab kub los. Cov yam ntxwv no ua rau cov khoom siv tsis tshua muaj zog thiab ua kom yooj yim rau kev ua haujlwm nrog thiab ua rau ntau hom.