Dab tsi yog qhov tshwj xeeb coefficient ntawm kev sib txhuam ntawm silicone lub duav pads hauv lub xeev ntub dej?

1. Cov khoom siv silicone
1.1 Cov tshuaj lom neeg muaj pes tsawg leeg thiab cov qauv molecular
Silicone yog ib yam khoom uas muaj cov tshuaj lom neeg tshwj xeeb thiab cov qauv molecular. Nws cov khoom tseem ceeb yog silicon dioxide (SiO₂), uas feem ntau muaj nyob rau hauv daim ntawv ntawm polymer. Los ntawm qhov pom ntawm tshuaj lom neeg, nws yog tsim los ntawm silicon atoms thiab oxygen atoms txuas nrog hloov pauv los ua ib lub pob txha yooj yim. Silicon atoms kuj txuas nrog cov pab pawg organic, xws li methyl (-CH₃), uas muab cov khoom sib txawv ntawm qhov chaw thiab cov khoom siv lub cev thiab tshuaj lom neeg rau silicone. Nws cov qauv molecular yog ib lub network lossis linear qauv. Lub network qauv ntawm silicone muaj qhov ceev sib txuas ntau dua thiab qhia txog lub zog kho tshuab zoo thiab ruaj khov, thaum cov qauv linear ntawm silicone yooj yim dua rau kev ua thiab tsim. Cov tshuaj lom neeg tshwj xeeb no thiab cov qauv molecular ua rau silicone txawv ntawm lwm cov khoom siv hauv cov khoom siv lub cev xws li kev sib txhuam coefficient, uas muab lub hauv paus rau kev kawm nws cov coefficient sib txhuam hauv lub xeev ntub.

2. Cov yam ntxwv uas cuam tshuam rau kev sib txhuam coefficient
2.1 Qhov ntxhib ntawm qhov chaw
Qhov roughness ntawm qhov chaw muaj feem cuam tshuam loj rau qhov coefficient ntawm kev sib txhuam ntawmsilicone duav padsnyob rau hauv lub xeev ntub dej. Cov kev tshawb fawb tau qhia tias thaum qhov roughness ntawm qhov chaw nce ntxiv los ntawm 0.1 microns mus rau 1 micron, qhov coefficient ntawm kev sib txhuam txo qis li 15%. Qhov no yog vim tias cov chaw ntxhib yuav tsim cov zaj duab xis dej me me hauv lub xeev ntub dej, txo qhov chaw sib cuag tiag tiag thiab yog li txo qhov kev sib txhuam. Tsis tas li ntawd, kev hloov pauv ntawm qhov chaw microstructure kuj tseem yuav cuam tshuam rau qhov ruaj khov ntawm cov zaj duab xis dej. Piv txwv li, cov chaw nrog cov qauv micro-nano tuaj yeem tswj cov zaj duab xis dej zoo dua hauv lub xeev ntub dej, txo qhov coefficient ntawm kev sib txhuam ntxiv. Qhov xwm txheej no pom tseeb tshwj xeeb hauv qee cov ntaub ntawv silicone uas tau dhau los ua kev kho tshwj xeeb ntawm qhov chaw, thiab lawv cov coefficient ntawm kev sib txhuam tuaj yeem txo qis li 0.1, uas qis dua li cov ntaub ntawv silicone tsis kho.
2.2 Cov khoom ntawm cov ntaub ntawv sib cuag
Cov khoom ntawm cov khoom siv sib cuag kuj muaj feem cuam tshuam tseem ceeb rau qhov sib txhuam coefficient ntawm silicone lub duav hauv lub xeev ntub. Cov ntaub ntawv sib txawv cuam tshuam sib txawv nrog silicone. Siv polytetrafluoroethylene (PTFE) ua piv txwv, nws qhov sib txhuam coefficient nrog silicone hauv lub xeev ntub tsuas yog 0.05, vim tias PTFE nto muaj hydrophobicity zoo thiab lub zog qis, uas tuaj yeem txo qhov adhesion ntawm nws thiab silicone. Thaum nyob rau hauv kev sib cuag nrog cov ntaub ntawv hlau xws li stainless hlau, qhov sib txhuam coefficient yuav siab dua, txog li 0.25. Qhov no yog vim tias cov hlau nto feem ntau muaj lub zog siab dua thiab muaj zog dua adhesion nrog silicone. Tsis tas li ntawd, qhov nyuaj ntawm cov ntaub ntawv sib cuag kuj tseem yuav cuam tshuam rau qhov sib txhuam coefficient. Cov ntaub ntawv nyuaj dua yuav siv zog ntau dua rau ntawm qhov chaw silicone thaum sib cuag, yog li ua rau thaj chaw sib cuag tiag tiag nce thiab ua rau muaj kev nce hauv qhov sib txhuam coefficient. Piv txwv li, thaum silicone sib cuag cov khoom siv ceramic nrog qhov nyuaj dua, qhov sib txhuam coefficient yuav siab dua li 20% dua li thaum nws sib cuag ntoo nrog qhov nyuaj qis dua.

3. Kev hloov pauv thaum muaj huab cua ntub
3.1 Txoj kev ua haujlwm ntawm cov dej molecule
Nyob rau hauv cov xwm txheej ntub dej, cov dej molecule ua lub luag haujlwm tseem ceeb ntawm qhov chaw ntawm lub silicone duav pad thiab ntawm nws thiab cov khoom sib cuag. Cov dej molecule yuav tsim cov dej zaj duab xis ntawm qhov chaw ntawm silicone, thiab qhov tuab thiab kev ruaj khov ntawm cov dej zaj duab xis no ncaj qha cuam tshuam rau qhov sib txhuam coefficient. Thaum cov dej molecule raug adsorbed ntawm qhov chaw ntawm silicone, lawv yuav cuam tshuam nrog cov pab pawg siloxane (-Si-O-) ntawm qhov chaw ntawm silicone los tsim cov hydrogen bonds. Kev tsim cov hydrogen bond no ua rau cov dej molecule ntau dua kev teeb tsa ntawm qhov chaw ntawm silicone, yog li ua lub luag haujlwm lubricating rau qee qhov. Cov kev tshawb fawb tau qhia tias thaum qhov concentration ntawm cov dej molecule yog nruab nrab, qhov tuab ntawm cov dej zaj duab xis tsim yog li 100 nanometers, thiab qhov sib txhuam coefficient ntawm silicone duav pad yuav raug txo qis heev. Piv txwv li, nyob rau hauv ib puag ncig nrog cov av noo ntawm kwv yees li 70%, thaum lub silicone duav pad sib cuag tib neeg daim tawv nqaij, qhov sib txhuam coefficient tuaj yeem txo qis rau txog 0.15 vim yog cov dej zaj duab xis tsim ntawm cov dej molecule.
Ntxiv mus, qhov muaj cov dej molecule kuj tseem yuav hloov pauv qhov microstructure ntawm qhov chaw silicone. Hauv qhov qhuav, cov microscopic protrusions thiab depressions ntawm qhov chaw silicone yuav ncaj qha kov cov khoom sib cuag, tsim kom muaj lub zog sib txhuam loj. Hauv qhov ntub dej, cov dej molecule yuav sau cov microscopic depressions no, ua rau qhov chaw sib cuag du thiab txo qhov coefficient sib txhuam ntxiv. Piv txwv li, tom qab kev ntsuas kev sim, qhov roughness ntawm qhov chaw ntawm lub duav silicone hauv qhov qhuav yog 0.5 microns, thaum nyob rau hauv qhov ntub dej, vim yog cov nyhuv ntawm cov dej molecule, nws qhov roughness ntawm qhov chaw yog sib npaug li 0.2 microns, thiab qhov coefficient sib txhuam kuj raug txo los ntawm kwv yees li 20%.
3.2 Qhov cuam tshuam ntawm cov av noo ntawm qhov sib txhuam coefficient
Cov av noo muaj qhov cuam tshuam loj rau qhov sib txhuam coefficient ntawm lub silicone duav pad hauv lub xeev ntub dej, thiab muaj qhov zoo tshaj plaws av noo ntau yam. Thaum qhov av noo tsawg, cov dej zaj duab xis uas tsim los ntawm cov dej molecules ntawm qhov chaw silicone yog nyias thiab tsis ruaj khov, thiab tsis tuaj yeem txo qhov sib txhuam coefficient. Piv txwv li, thaum qhov av noo yog 30%, qhov sib txhuam coefficient ntawm lub silicone duav pad hauv kev sib cuag nrog tib neeg daim tawv nqaij yog li 0.3. Thaum qhov av noo nce ntxiv, qhov ntau ntawm cov dej molecules adsorbed ntawm qhov chaw silicone nce ntxiv, qhov tuab ntawm cov dej zaj duab xis maj mam tuab, thiab qhov sib txhuam coefficient maj mam txo qis. Thaum qhov av noo nce mus txog 60% - 80%, qhov sib txhuam coefficient ntawm lub silicone duav pad mus txog qhov qis tshaj plaws, txog 0.1 - 0.15. Hauv qhov ntau yam no, cov dej molecules tuaj yeem tsim cov dej zaj duab xis ruaj khov, uas ua rau txo qhov chaw sib cuag tiag tiag thiab kev sib txuas ntawm qhov chaw silicone thiab cov khoom sib cuag.
Txawm li cas los xij, thaum cov av noo sib piv txuas ntxiv nce thiab tshaj 80%, qhov sib txhuam coefficient yuav nce dua. Qhov no yog vim tias cov av noo siab dhau yuav ua rau qhov chaw silicone nqus ntau cov dej molecules thiab tsim cov zaj duab xis dej tuab dhau. Cov zaj duab xis dej tuab dhau yuav ua rau qhov chaw silicone nplua dhau, uas yuav ua rau qhov kev tiv thaiv swb ntawm cov khoom sib cuag ntawm qhov chaw silicone. Piv txwv li, thaum cov av noo sib piv yog 90%, qhov sib txhuam coefficient ntawm silicone lub duav pad hauv kev sib cuag nrog daim tawv nqaij tib neeg yuav nce mus txog li 0.2. Tsis tas li ntawd, cov av noo ntau dhau kuj tseem yuav ua rau qee qib ntawm qhov o ntawm qhov chaw silicone, hloov nws cov khoom nto thiab microstructure, yog li cuam tshuam rau qhov sib txhuam coefficient.

4. Cov yam ntxwv ntawm cov ntaub qhwv silicone
4.1 Tsim khoom thiab kho qhov chaw
Kev tsim thiab kev kho kom zoo nkauj ntawm cov ntaub qhwv caj dab silicone muaj qhov cuam tshuam tshwj xeeb rau lawv cov coefficient sib txhuam hauv qhov xwm txheej ntub. Los ntawm kev tsim khoom, cov duab thiab qhov loj ntawm cov ntaub qhwv caj dab yuav hloov pauv thaj chaw sib cuag nrog tib neeg lub cev thiab kev faib tawm siab. Piv txwv li, cov ntaub qhwv caj dab nrog kev tsim qauv tsim nyog uas haum rau qhov nkhaus ntawm tib neeg lub cev tuaj yeem faib cov siab sib npaug thiab txo qhov chaw siab hauv zos, yog li txo cov coefficient sib txhuam mus rau qee qhov. Cov kev tshawb fawb tau qhia tias cov coefficient sib txhuam ntawm qhov sib cuag ntawm cov ntaub qhwv caj dab silicone ergonomically tsim tuaj yeem txo qis li 10% piv rau cov ntaub qhwv caj dab ntawm kev tsim qauv ib txwm muaj.
Hais txog kev kho qhov chaw, cov ntaub qhwv caj dab silicone niaj hnub feem ntau siv cov txheej tshwj xeeb lossis kev kho cov qauv. Qee cov ntaub qhwv caj dab silicone yog coated nrog cov khoom hydrophobic, uas tuaj yeem txo qhov adsorption ntawm cov dej molecules ntawm qhov chaw, yog li hloov pauv qhov tsim thiab ruaj khov ntawm cov zaj duab xis dej. Cov ntaub ntawv sim qhia tau hais tias qhov sib txhuam coefficient ntawm cov ntaub qhwv caj dab silicone kho nrog cov txheej hydrophobic hauv kev sib cuag nrog tib neeg daim tawv nqaij hauv lub xeev ntub dej tuaj yeem txo qis txog li 0.12, uas yog kwv yees li 25% qis dua li ntawm cov ntaub qhwv caj dab silicone tsis kho. Tsis tas li ntawd, qee cov ntaub qhwv caj dab yog tsim nrog cov qauv micro-texture ntawm qhov chaw. Cov micro-textures no tuaj yeem khaws cia qee qhov dej molecules hauv lub xeev ntub dej los tsim cov zaj duab xis dej ruaj khov dua, ntxiv txo qhov sib txhuam coefficient. Piv txwv li, qhov sib txhuam coefficient ntawm cov ntaub qhwv caj dab silicone nrog cov qauv micro-texture tuaj yeem txo qis txog li 0.1 hauv ib puag ncig nrog cov av noo ntawm 70%.
4.2 Cov xwm txheej siv thiab cov kev xav tau sib txhuam
Cov ntaub qhwv caj dab silicone muaj ntau yam kev siv, thiab cov xwm txheej siv sib txawv muaj cov kev xav tau sib txawv rau lawv cov coefficient sib txhuam. Hauv kev kho mob rov qab kho mob, cov ntaub qhwv caj dab silicone feem ntau siv los saib xyuas cov neeg mob pw hauv txaj ntev kom txo qhov tshwm sim ntawm cov qhov txhab siab. Hauv qhov xwm txheej no, qhov coefficient sib txhuam qis dua pab txo qhov kev puas tsuaj ntawm cov tawv nqaij ntawm tus neeg mob thiab lub ntaub qhwv caj dab. Cov kev tshawb fawb tau qhia tias thaum qhov coefficient sib txhuam ntawm lub ntaub qhwv caj dab silicone raug tswj ntawm 0.1 thiab 0.15, nws tuaj yeem txo qhov tshwm sim ntawm cov qhov txhab siab li ntawm 30%. Tsis tas li ntawd, qhov coefficient sib txhuam qis no kuj tseem tuaj yeem txo qhov tsis xis nyob ntawm cov neeg mob thaum tig lossis txav mus los, thiab txhim kho kev nplij siab ntawm cov neeg mob.
Hauv kev kho mob kis las, cov ntaub qhwv caj dab silicone siv los pab kev cob qhia kho mob, xws li kev zaum. Hauv qhov xwm txheej no, yuav tsum muaj kev sib txhuam nruab nrab kom muab kev txhawb nqa thiab kev ruaj khov txaus thaum tsis txhob muaj kev sib txhuam ntau dhau ntawm daim tawv nqaij. Kev sim qhia tau tias thaum cov ntaub qhwv caj dab silicone sib txhuam nyob nruab nrab ntawm 0.15 thiab 0.2, nws tuaj yeem ua tau raws li qhov xav tau ntawm kev txhawb nqa thiab kev ruaj khov thaum txo qhov kev pheej hmoo ntawm kev puas tsuaj ntawm daim tawv nqaij. Piv txwv li, kev siv cov ntaub qhwv caj dab silicone nrog cov coefficient sib txhuam no hauv kev cob qhia kho mob tau txhim kho qhov cuam tshuam ntawm kev cob qhia thiab kev nplij siab ntawm cov neeg mob.
Hauv cov xwm txheej siv hauv tsev txhua hnub, cov ntaub qhwv caj dab silicone siv los txhim kho qhov xis nyob ntawm kev zaum thiab txo qhov qaug zog los ntawm kev zaum ntev. Hauv qhov xwm txheej no, kev hloov kho ntawm qhov sib txhuam coefficient yuav tsum xav txog qhov xis nyob thiab kev nyab xeeb ntawm tib neeg lub cev. Feem ntau hais lus, cov ntaub qhwv caj dab silicone nrog qhov sib txhuam coefficient ntawm kwv yees li 0.2 tuaj yeem muab kev nplij siab zoo dua thiab kev ua haujlwm tiv thaiv kev plam. Piv txwv li, kev siv cov ntaub qhwv caj dab silicone nrog qhov sib txhuam coefficient no ntawm cov rooj zaum hauv chaw ua haujlwm tuaj yeem txo qhov nkees ntawm lub caj dab los ntawm kev zaum ntev, thaum tiv thaiv cov neeg siv los ntawm kev swb ntawm lub rooj zaum thiab txhim kho kev nyab xeeb.

5. Kev sim thiab kev sim cov txheej txheem
5.1 Cov qauv xeem thiab cov khoom siv
Yuav kom ntsuas tau qhov sib txhuam ntawm cov ntaub qhwv silicone hauv lub duav kom raug, nws yog qhov tsim nyog los xaiv cov khoom siv thiab cov txheej txheem kuaj raws li cov qauv cuam tshuam.
Cov qauv xeem: Tam sim no, muaj ntau tus qauv rau kev sim cov khoom siv sib txhuam hauv ntiaj teb, xws li ASTM D1894, uas siv tau rau kev ntsuas qhov sib txhuam zoo li qub thiab qhov sib txhuam dynamic ntawm cov yas zaj duab xis thiab daim ntawv. Txawm hais tias cov ntaub qhwv caj dab silicone thiab cov yas zaj duab xis sib txawv hauv cov khoom siv, lawv cov ntsiab cai xeem thiab cov txheej txheem muaj qee qhov tseem ceeb. Hauv kev xeem tiag tiag, cov qauv tuaj yeem hloov kho thiab ua kom zoo raws li cov yam ntxwv tshwj xeeb thiab cov xwm txheej siv ntawm cov ntaub qhwv caj dab silicone kom ntseeg tau tias qhov tseeb thiab kev ntseeg tau ntawm cov txiaj ntsig xeem.
Cov khoom siv sim: Cov khoom siv sim kev sib txhuam coefficient feem ntau suav nrog lub ntsuas kev sib txhuam kab rov tav thiab lub ntsuas kev sib txhuam coefficient inclined. Lub ntsuas kev sib txhuam kab rov tav ntsuas qhov sib txhuam coefficient los ntawm kev siv qee qhov hnyav rau ntawm lub dav hlau kab rov tav kom ua rau muaj kev sib txhuam ntawm cov qauv thiab cov khoom siv sib cuag. Cov khoom siv no yooj yim rau kev khiav lag luam thiab tuaj yeem ua piv txwv zoo dua cov xwm txheej sib txhuam hauv cov xwm txheej siv tiag tiag. Lub ntsuas kev sib txhuam inclined ntsuas qhov sib txhuam coefficient los ntawm kev hloov lub kaum sab xis ntawm lub dav hlau inclined kom cov qauv txav mus raws lub dav hlau inclined nyob rau hauv qhov kev ua ntawm lub ntiajteb txawj nqus. Lub cuab yeej no tuaj yeem ntsuas qhov sib txhuam coefficient ntawm ntau lub kaum sab xis sib txawv, uas yog qhov pab tau los kawm txog kev sib raug zoo ntawm qhov sib txhuam coefficient thiab lub siab sib cuag. Thaum sim lub pob tw silicone, koj tuaj yeem xaiv cov khoom siv tsim nyog raws li qhov xav tau tiag tiag thiab xyuas kom meej tias qhov tseeb thiab kev ruaj khov ntawm cov khoom siv ua tau raws li qhov yuav tsum tau ua ntawm kev sim.
5.2 Kev sau thiab kev tshuaj xyuas cov ntaub ntawv
Kev sau thiab tshuaj xyuas cov ntaub ntawv yog cov kev sib txuas tseem ceeb hauv kev tshawb fawb sim. Kev sau cov ntaub ntawv kom raug thiab cov txheej txheem tshuaj xyuas kev tshawb fawb tuaj yeem muab kev txhawb nqa zoo rau kev tshawb fawb.
Kev sau cov ntaub ntawv: Thaum lub sijhawm sim, yuav tsum sau ntau yam ntaub ntawv kom pom tseeb txog kev sib txhuam ntawm lub silicone duav hauv qhov xwm txheej ntub dej. Feem ntau suav nrog cov yam ntxwv xws li kev sib txhuam, kev sib cuag siab, kev nrawm nrawm, qhov av noo, thiab lwm yam. Lub zog sib txhuam yog ntsuas ncaj qha los ntawm lub sensor ntawm cov khoom siv sim, thiab qhov siab nrawm tuaj yeem ntsuas los ntawm kev tso lub sensor siab ntawm lub silicone duav thiab cov khoom siv sib cuag. Qhov ceev nrawm tuaj yeem teeb tsa los ntawm kev tswj lub cuab yeej swb ntawm cov khoom siv sim thiab saib xyuas lub sijhawm tiag tiag los ntawm lub sensor. Qhov av noo yuav tsum tau saib xyuas thiab sau tseg lub sijhawm tiag tiag siv lub sensor av noo hauv qhov chaw sim. Txhawm rau kom ntseeg tau tias qhov tseeb ntawm cov ntaub ntawv, qhov kev sim yuav tsum rov ua dua ntau zaus, thiab cov ntaub ntawv ntawm txhua qhov kev sim yuav tsum tau sau tseg rau kev tshuaj xyuas cov ntaub ntawv tom ntej.
Kev tshuaj xyuas cov ntaub ntawv: Cov ntaub ntawv sau tau yuav tsum tau tshuaj xyuas los ntawm kev tshawb fawb kom tau txais qhov sib txhuam coefficient ntawm lub duav silicone hauv qhov xwm txheej ntub thiab nws cov yam ntxwv cuam tshuam. Ua ntej, qhov sib txhuam coefficient thiab qhov sib txhuam dynamic coefficient raug suav raws li cov nqi ntsuas ntawm kev sib txhuam zog thiab kev sib cuag siab. Qhov sib txhuam coefficient yog qhov sib piv ntawm qhov sib txhuam tsawg kawg nkaus uas xav tau rau ib yam khoom kom pib swb hauv qhov xwm txheej ruaj khov rau qhov sib cuag siab, thiab qhov sib txhuam dynamic coefficient yog qhov sib piv ntawm lub zog sib txhuam rau qhov sib cuag siab uas yam khoom raug kev txom nyem thaum lub sijhawm swb. Tom qab ntawd, tshuaj xyuas qhov cuam tshuam ntawm cov yam ntxwv xws li kev swb ceev thiab qhov av noo ntawm qhov sib txhuam coefficient. Los ntawm kev kos duab qhov nkhaus sib raug zoo ntawm qhov sib txhuam coefficient thiab cov yam ntxwv xws li kev swb ceev thiab qhov av noo, qhov cuam tshuam ntawm ntau yam yam ntxwv ntawm qhov sib txhuam coefficient tuaj yeem pom tau yooj yim. Tsis tas li ntawd, cov txheej txheem tshuaj xyuas suav nrog kev tshuaj xyuas variance thiab kev tshuaj xyuas regression tuaj yeem siv los ua cov ntaub ntawv ntxiv kom txiav txim siab qhov degree thiab qhov tseem ceeb ntawm kev cuam tshuam ntawm ntau yam ntxwv ntawm qhov sib txhuam coefficient.

6. Ntau yam kev sib txhuam coefficient ntawm silicone lub duav pad hauv lub xeev ntub dej

6.1 Tus nqi kwv yees raws li kev xav
Raws li cov yam ntxwv ntawm cov ntaub ntawv silicone thiab ntau yam uas cuam tshuam rau qhov sib txhuam coefficient nyob rau hauv cov xwm txheej ntub dej, qhov sib txhuam coefficient ntawm silicone lub duav pad hauv lub xeev ntub dej tuaj yeem kwv yees tau theoretically. Los ntawm qhov kev xav ntawm cov tshuaj lom neeg sib xyaw thiab cov qauv molecular, cov qauv mesh ntawm silicone muab nws qee qhov elasticity thiab stability, uas cuam tshuam rau nws cov coefficient sib txhuam rau qee qhov. Ua ke nrog kev cuam tshuam ntawm qhov roughness ntawm qhov chaw, thaum qhov roughness ntawm qhov chaw hloov pauv hauv qee qhov ntau, qhov sib txhuam coefficient yuav hloov pauv raws li. Piv txwv li, rau cov ntaub ntawv silicone ib txwm uas tsis tau kho tshwj xeeb, hauv lub xeev ntub dej, xav txog kev tsim cov dej zaj duab xis ntawm qhov chaw los ntawm cov dej molecules thiab cov kev hloov pauv hauv qhov microstructure ntawm qhov chaw, qhov kev kwv yees kwv yees coefficient sib txhuam theoretical yog kwv yees li ntawm 0.1 thiab 0.3. Qhov kwv yees ntau yam no ua ke cov teebmeem ua ke ntawm cov yam xws li qhov sib txawv ntawm qhov chaw roughness, cov khoom siv sib cuag, thiab av noo. Thaum qhov av noo tsawg, qhov sib txhuam coefficient ze rau qhov txwv siab tshaj plaws; thaum qhov av noo nyob rau hauv qhov zoo tshaj plaws (60% - 80%), qhov sib txhuam coefficient ze rau qhov txwv qis dua.
6.2 Cov txiaj ntsig ntawm kev sim
Los ntawm kev sim tshuaj ntsuam thiab kev sim ua tib zoo, cov ntaub ntawv sib txhuam ntawm cov ntaub qhwv caj dab silicone hauv qhov ntub dej tuaj yeem tau txais, yog li ntawd txheeb xyuas qhov tseeb ntawm qhov kwv yees theoretical thiab ntxiv qhov tseeb ntawm nws qhov ntau thiab tsawg. Hauv kev sim, raws li cov qauv cuam tshuam xws li ASTM D1894, lub ntsuas kev sib txhuam kab rov tav tau siv los sim ntau hom ntaub qhwv caj dab silicone. Cov txiaj ntsig ntawm kev sim qhia tau tias nyob rau hauv qhov ntau ntawm cov av noo zoo tshaj plaws ntawm 60% - 80% qhov av noo txheeb ze, qhov nruab nrab ntawm kev sib txhuam coefficient ntawm cov ntaub qhwv caj dab silicone ib txwm tsis muaj kev kho tshwj xeeb yog li 0.12 - 0.18. Rau cov ntaub qhwv caj dab silicone nrog kev kho tshwj xeeb, xws li cov ntaub qhwv caj dab nrog hydrophobic txheej lossis micro-texture qauv, qhov sib txhuam coefficient qis dua, nrog rau qhov nruab nrab ntawm 0.1 - 0.15. Cov ntaub ntawv sim no ze rau qhov kwv yees theoretical, ntxiv qhov tseeb ntawm qhov sib txhuam coefficient ntawm cov ntaub qhwv caj dab silicone hauv qhov ntub dej, thiab qhia tau tias kev kho tshwj xeeb ntawm qhov chaw tuaj yeem txo qhov sib txhuam coefficient, ua rau nws ua raws li qhov xav tau ntawm ntau yam kev siv.

7. Daim Ntawv Thov thiab Kev Txhim Kho
7.1 Kev Taw Qhia Txog Kev Txhim Kho Khoom
Raws li kev tshawb fawb yav dhau los ntawm kev sib txhuam coefficient ntawm silicone lub duav pads hauv lub xeev ntub dej, kev ua kom zoo dua ntawm cov khoom tuaj yeem pib los ntawm cov hauv qab no:
Kev tsim kho tshiab ntawm cov thev naus laus zis kho qhov chaw: Tam sim no, kev siv cov txheej hydrophobic lossis cov qauv micro-texture tuaj yeem txo qhov coefficient ntawm kev sib txhuam, tab sis tseem muaj chaw rau kev txhim kho. Piv txwv li, kev tsim cov txheej nano-composite tshiab ua rau cov txheej sib txuas ruaj khov dua rau ntawm qhov chaw silicone, thiab muaj hydrophobicity zoo dua thiab kev tiv thaiv hnav, txo qhov coefficient ntawm kev sib txhuam thiab txuas ntxiv lub neej kev pabcuam. Cov qauv tsim microstructure nyuaj dua kuj tseem tuaj yeem tshawb nrhiav, xws li cov qauv bionic micro-nano, uas ua raws li cov qauv ntawm cov khoom siv tsis sib txhuam hauv xwm, xws li cov qauv micro-nano ntawm qhov chaw ntawm nplooj lotus, kom ua tiav cov dej zaj duab xis tsim kom ruaj khov dua thiab cov coefficient ntawm kev sib txhuam qis dua.
Kev ua kom zoo dua ntawm cov mis mos: Hauv cov mis mos yooj yim ntawm silicone, cov qauv molecular thiab cov khoom ntawm qhov chaw ntawm silicone raug kho los ntawm kev ntxiv cov khoom ntxiv lossis cov khoom hloov kho tshwj xeeb. Piv txwv li, kev ntxiv cov khoom me me ntawm nano-silica tsis tsuas yog txhim kho cov khoom siv kho tshuab ntawm silicone, tab sis kuj txhim kho lubricity ntawm nws qhov chaw. Tsis tas li ntawd, kev qhia txog cov pab pawg organic tshiab tau kawm los hloov cov khoom siv tshuaj lom neeg ntawm qhov chaw silicone kom nws txoj kev sib cuam tshuam nrog cov dej hauv lub xeev ntub dej zoo dua los txo cov coefficient sib txhuam.
Kev txhim kho qauv tsim khoom: Ntxiv rau kev xav txog ergonomics kom txo qhov siab hauv zos, cov qauv hloov kho tau kuj tseem tuaj yeem tsim tau, xws li ntxiv cov chaw ntim khoom uas tuaj yeem ntim tau lossis hloov kho tau rau lub duav, thiab kho qhov mos thiab haum ntawm lub duav raws li tus neeg siv qhov hnyav thiab qhov xwm txheej siv, kom tswj tau qhov sib txhuam zoo dua. Piv txwv li, rau cov neeg siv ntawm cov duab sib txawv ntawm lub cev, los ntawm kev kho qhov ntau ntawm cov khoom sau, qhov chaw ntawm lub duav ib txwm tswj hwm qhov kev faib tawm siab zoo tshaj plaws thaum sib cuag nrog lub cev tib neeg, txo qhov sib txhuam thiab txhim kho kev nplij siab.
7.2 Kev xav txog kev nyab xeeb thiab kev nplij siab
Thaum ua kom zoo dua cov ntaub qhwv silicone, kev nyab xeeb thiab kev nplij siab yog cov yam tseem ceeb:
Kev Nyab Xeeb: Xyuas kom tseeb tias cov ntaub ntawv siv ua tau raws li cov qauv kev nyab xeeb, tsis muaj tshuaj lom thiab tsis ua rau mob, thiab yuav tsis ua rau khaus lossis ua xua rau tib neeg lub cev. Thaum lub sijhawm kho qhov chaw, cov ntaub ntawv txheej siv yuav tsum muaj kev sib raug zoo zoo kom tsis txhob muaj teeb meem ntawm daim tawv nqaij los ntawm cov khoom siv tshuaj lom neeg. Tib lub sijhawm, lub duav zoo tshaj plaws yuav tsum muaj kev ruaj khov zoo thiab yuav tsis swb lossis tsis ruaj khov thaum siv vim muaj kev hloov pauv ntawm kev sib txhuam, tshwj xeeb tshaj yog nyob rau hauv cov xwm txheej uas muaj kev nyab xeeb siab xws li kev kho mob, kom ntseeg tau tias tus neeg siv muaj kev nyab xeeb.
Kev Xis Nyob: Ntxiv rau kev txo qhov coefficient ntawm kev sib txhuam, yuav tsum tau them rau tus neeg siv txoj kev xav. Piv txwv li, los ntawm kev ua kom zoo dua qhov elasticity thiab softness ntawm cov khoom,lub duavtseem tuaj yeem tswj tau qhov xis nyob zoo thaum siv mus ntev. Tsis tas li ntawd, xav txog tus neeg siv kev paub hauv ntau qhov chaw sib txawv, xws li hauv ib puag ncig uas muaj kev hloov pauv ntawm cov av noo ntau, lub duav pad zoo tshaj plaws yuav tsum tuaj yeem kho qhov sib txhuam ntawm qhov chaw thiab ib txwm nyob hauv qhov chaw xis nyob. Tib lub sijhawm, qhov tsim qauv ntawm cov khoom kuj tseem yuav cuam tshuam rau tus neeg siv kev nplij siab. Cov duab thiab qhov loj me uas ua raws li qhov zoo nkauj ntawm lub cev tib neeg yuav tsum tau tsim los txhim kho tus neeg siv kev lees txais.