Kev sib txhuam phaj xav tau kev sib txhuam coefficient tsim nyog thiab ruaj khov
Cov coefficient ntawm kev sib txhuam yog ib qho tseem ceeb tshaj plaws ntawm txhua yam khoom siv sib txhuam, uas muaj feem xyuam rau kev ua haujlwm ntawm kev sib kis thiab kev sib tsoo ntawm cov phaj txhuam. Nws tsis yog qhov tas li, tab sis tus lej hloov pauv vim qhov cuam tshuam ntawm qhov kub thiab txias, siab, kev sib txhuam ceev lossis lub xeev nto thiab ib puag ncig nruab nrab. Qhov zoo tshaj plaws coefficient ntawm kev sib txhuam yuav tsum muaj qhov zoo tshaj plaws txias coefficient ntawm kev sib txhuam thiab qhov kub hnyiab uas tuaj yeem tswj tau. Vim lub tshav kub tsim los ntawm kev sib txhuam, kev ua haujlwm kub yog nce, uas ua rau muaj kev hloov pauv ntawm kev sib txhuam coefficient ntawm kev sib txhuam phaj.
Qhov kub thiab txias yog qhov tseem ceeb cuam tshuam rau coefficient ntawm kev sib txhuam. Thaum lub sij hawm kev sib txhuam ntawm cov phaj kev sib txhuam, vim qhov kub nce ceev, feem ntau qhov kub siab tshaj 200 degree, thiab kev sib txhuam coefficient pib txo. Thaum qhov kub nce mus txog qhov kub ntawm qhov decomposition ntawm cov resin thiab roj hmab, cov coefficient ntawm kev sib txhuam yuav maj mam txo, uas yog hu ua "thermal recession". Kev kub ntxhov hnyav yuav ua rau kev ua haujlwm tsis zoo ntawm kev ua haujlwm braking thiab deterioration. Hauv kev siv tswv yim, kev sib txhuam quab yuam yuav raug txo kom tsawg, yog li txo cov nyhuv braking, uas yog qhov txaus ntshai thiab yuav tsum zam. Ntxiv cov kev sib txhuam kub kub hloov pauv rau cov ntaub ntawv sib txhuam yog ib qho zoo txhais tau tias txo thiab kov yeej "thermal recession". Tom qab "thermal decay" kev sib txhuam phaj, thaum qhov kub thiab txias maj mam txo, qhov kev sib txhuam coefficient yuav maj mam rov qab mus rau qhov qub qub, tab sis qee zaum qhov kev sib txhuam coefficient yuav rov qab siab dua qhov qub kev sib txhuam coefficient thiab rov qab ntau dhau. Overrecovery yog qhov peb hu ua "overrecovery". Cov coefficient ntawm kev sib txhuam feem ntau yuav txo qis nrog qhov kub thiab txias, tab sis qhov txo qis heev tsis tuaj yeem tsis quav ntsej.
Thaum lub npoo ntawm cov phaj txhuam yog wetted nrog dej, qhov sib txhuam coefficient kuj yuav txo. Thaum cov yeeb yaj kiab dej ntawm qhov chaw raug tshem tawm thiab rov qab mus rau lub xeev qhuav, kev sib txhuam coefficient yuav rov qab mus rau qhov qub, uas yog hu ua "wading recovery".
Thaum lub npoo ntawm cov phaj sib txhuam yog stained nrog roj, qhov sib txhuam coefficient yuav poob qis, tab sis ib qho kev sib txhuam quab yuam yuav tsum tau tswj kom nws tseem muaj qee qhov kev ua haujlwm braking.
