Cov hlau puas yooj yim tawg?
Cov hlau puas yooj yim tawg?

Video: Cov hlau puas yooj yim tawg?

Video: Cov hlau puas yooj yim tawg?
Video: Plab Plab Ntswg..(Pluav Pluav Ntswg) Maiv Twm New Song 2023-2024 2024, Kaum ib hlis
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Cov hlau ua tsawg ductile thiab, nyob rau hauv ib qho kev nkag siab, ua nyuaj. Tab sis thaum strain hardening ua rau nws tsawg yooj yim rau cov hlau kom deform, nws kuj ua rau cov hlau nkim ntau. Txhaum hlau tuaj yeem tawg , los yog poob, heev yooj yim.

Ib yam li ntawd, nws raug nug, puas hlau tawg?

Hlau yog feem ntau muaj zog thiab yog malleable ntau dua li nkig. Yog li, cam khwb cia hlau yog nkig li cam khwb cia. Txaus cuam tshuam thiab nws yuav tawg . Qee cov hlau yog nkig, thiab.

Tsis tas li ntawd, puas hlau puas thaum khov? Tam sim no thaum koj khov txhua yam khoom nws ua rau nws nyuaj rau cov khoom txav raws nws lub dav hlau plam thiab thaum kawg lub zog yuav tsum tau tso cai rau cov khoom hloov raws nws lub dav hlau plam ntau dua li cov khoom siv. ua tau kov thiab nws yuav tawg. Yog li ntawd, koj ua tau ua rau hlau tawg los ntawm khov nws.

Xav txog qhov no, dab tsi hlau tawg yooj yim?

Ib yam khoom uas muaj qhov nyiam tawg yooj yim los yog mam li nco dheev tsis muaj kev txuas ntxiv ua ntej. Cov piv txwv zoo yog cam khwb cia hlau, pob zeb, siab carbon steels, ceramics, thiab qee cov polymers xws li urea formaldehyde (UF).

Thaum kub li cas hlau tawg?

Lub ductile mus rau brittle hloov kub yog nyob ntawm qhov muaj pes tsawg leeg ntawm cov hlau . Hlau yog feem ntau siv hlau uas qhia txog tus cwj pwm no. Rau qee qhov steels hloov pauv kub tuaj yeem nyob ib ncig ntawm 0 ° C, thiab nyob rau lub caij ntuj no kub nyob rau hauv qee qhov chaw ntawm lub ntiaj teb no tuaj yeem yog hauv qab no.

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