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Taw qhia rau cov kav dej tooj liab

Apr 07, 2024

Taw qhia rau cov kav dej tooj liab

Cov yeeb nkab tooj liab hauv qab no txuas txuas ceev, cov kav dej tooj liab thiab cov kav dej tooj liab yuav tham txog kev qhia txog cov kav dej tooj liab.

Cov kav dej tooj liab (tseem hu ua cov kav dej tooj liab) feem ntau yog siv hauv cov kav dej kais dej, cov kav dej kub thiab tub yees. Raws li kev teeb tsa cov kav dej, lawv muaj qhov zoo ntawm kev ntxhib los mos, kev tiv thaiv corrosion, kub tsis kam thiab siab ua haujlwm siab, thiab tuaj yeem siv rau ntau qhov chaw. Cov kav dej tooj liab sib xyaw ua ke qhov zoo ntawm cov kav hlau thiab cov hlau tsis yog hlau. Lawv yog thawj zaug hauv cov dej kub thiab dej txias thiab yog cov kav dej sib txuas zoo tshaj plaws. Cov kav dej tooj liab yog hluav taws-resistant thiab kub-resistant. Lawv tuaj yeem tuav lawv cov duab thiab lub zog ntawm qhov kub thiab txias thiab yuav tsis muaj hnub nyoog.

Lub siab tsis kam ntawm cov kav dej tooj liab yog ob peb zaug lossis ntau zaus ntawm cov kav dej yas thiab cov kav dej txhuas-yas. Nws tuaj yeem tiv taus cov dej siab hauv cov tsev niaj hnub no. Nyob rau hauv ib puag ncig dej kub, nrog rau kev txuas ntxiv ntawm kev pab cuam lub neej, lub zog-txheej txheem ntawm cov kav dej yas txo qis, thaum lub zog ntawm cov kav dej tooj liab tseem tsis hloov pauv hauv txhua qhov ntsuas kub, yog li lawv lub peev xwm tiv taus siab yuav tsis txo qis, lossis yuav tsis muaj qhov tshwm sim kev laus.

Lub linear coefficient ntawm cov kav dej tooj liab yog me me, 1/10 ntawm cov kav dej yas, thiab yuav tsis ua rau muaj kev ntxhov siab qaug zog tawg vim yog thermal expansion thiab contraction ntau dhau.

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