Dab tsi yog txhais los ntawm pov thawj kev nyuaj siab?
Dab tsi yog txhais los ntawm pov thawj kev nyuaj siab?

Video: Dab tsi yog txhais los ntawm pov thawj kev nyuaj siab?

Video: Dab tsi yog txhais los ntawm pov thawj kev nyuaj siab?
Video: 2/23/22. Poj Nplog Yug Tau Me Nyuam Txawv Heev/Meskas Muab Russia Kaw Ib Puas Tsav Yam/Hmong News. 2024, Kaum ib hlis
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A pov thawj kev nyuaj siab yog ib theem ntawm kev ntxhov siab uas ib yam khoom siv yas deformation. Tshwj xeeb tshaj yog, cov pov thawj kev nyuaj siab feem ntau yog txhais raws li lub ntsiab lus thaum cov khoom siv tau ib qho nyiaj ntawm cov yas deformation sib npaug li 0.2 feem pua. Pov thawj kev ntxhov siab tseem hu ua offset kev nyuaj siab.

Tom qab ntawd, ib tus tuaj yeem nug, 0.2% pov thawj kev ntxhov siab yog dab tsi?

Hauv lwm lo lus, pov thawj kev nyuaj siab yog lub ntsiab lus ntawm qhov kev kawm tshwj xeeb ntawm kev deformation mus tas li tshwm sim hauv ib qho kev sim. Pov thawj kev ntxhov siab kuj hu ua offset yieldstress . Feem ntau, cov kev ntxhov siab xav tau los tsim 0.2 feem pua ntawm cov yas deformation yog xam pov thawj.

Dab tsi yog qhov pov thawj kev nyuaj siab ntawm steel? Pov thawj kev ntxhov siab yog cov kev ntxhov siab uas yog txaus los tsim nyob rau hauv load, ib tug ntau npaum li cas ntawm permanent residual strain, uas ib tug khoom muaj peev xwm tsis muaj appreciablestructural puas.

Tsuas yog li ntawd, Pov Thawj Kev Nyuaj Siab puas zoo ib yam li kev ntxhov siab?

Yield zog los yog kev nyuaj siab yog cov cuab yeej thematic txhais tau tias yog kev ntxhov siab ntawm uas cov khoom pib deform plastically whereas tawm los point yog qhov chaw uas tsis yog-linear (elastic + yas) deformation pib. Theoffset tawm los point (los yog pov thawj kev nyuaj siab ) yog kev ntxhov siab uas 0.2% yas deformation tshwm sim.

Qhov pov thawj kev nyuaj siab Quora yog dab tsi?

Teb rau lub Peb Hlis 31, 2016. Pov thawj kev ntxhov siab yog siv thaum tawm los kev ntxhov siab taw tes rau kev ntxhov siab Daim duab kos tsis yooj yim txhais tau, nws tus nqi sib txawv ntawm.1 mus rau.2% ntawm plasticstrain thiab peb kos ib kab sib npaug rau kev ntxhov siab strainline, qhov twg kab no txiav cov kev ntxhov siab strain kab qhov pointis PROOF Stress.

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