{{0 {}}}}}}}}}} Cov Qauv Txheej Txheem Thoob Ntiaj Teb ntawm Daim Npav Txhuas Txhuas Phaj Reflectivity, thiab lawv ua li cas lawv txawv hauv vib this?
Teb: Kev ntsuas ntawm Aluminium Moos Reflectivity yog qauv los ntawm ntau qhov kev xav txog kev ua kom zoo nkauj nrog kev xav txog lub hnub ci {}} nm spectrum, thaum DIN 67530 TSHWJ XEEB MEIGHISION (tsawg dua los yog sib npaug ntawm 1,2 {} {{{{{{18% (ISO) nyob ntawm ntawm spectral ntau. Cov kev hloov kho tsis ntev los no teeb meem sib cuam tshuam rau kev cuam tshuam saum npoo av, txo cov txheej txheem tsis zoo hauv cov ntawv thov siab.
{{0 {{}}}}}}}}}}}}}} Cov Nto Ua tiav (roughness, waviness, waviness, wringiness cov kev ntsuas ntawm aluminium tsom iav?
Answer: Surface topography critically affects reflectivity through light scattering mechanisms. Atomic force microscopy reveals that Ra values below 5nm maintain >95% specular reflectance at 550nm, while 10-20nm roughness causes 3-8% degradation. Waviness (Wt) with periods >0 {. 1 hli tsim cov kev taw qhia kev sib tw siv nyiaj BidireTance {6} Cov qauv tam sim no yuav tsum muaj 3D profilometry tshaj tawm nrog kev tso cai RA Kev ntsuas rau cov ntawv thov optical tsom iav.
{{0 {}}}}}} Cov lus nug tseem ceeb ntawm specular ntawm specences ntawm cov txuj ci ntsuas rau txhuas cov tsom iav?
Teb: Kev ntsuas kev ntsuas pom cov khoom siv sib txawv ntawm cov ces kaum (ASTM E903) Kev xav txog hauv cov iav zoo .}}}}}}}}}}} pa tag nrho peb ntsuas txhua yam ua ntej, nrog kev nce qib Software them rau cov txiaj ntsig kev ua tiav thiab cov chaw nres nkoj geometry los.
{{0 {{}}}}}}}}}}}}}}}}} Yuav ua li cas ib puag ncig cov yam thiab kev laus cuam tshuam cov kev ntsuas ntawm txhuas ntawm Aluminium iav daim hlau?
Teb: Ib puag ncig qhov kev ntsuas tsis zoo los ntawm ntau cov txheej txheem kev tsis pom zoo ntawm cov txheej txheem Oxide}}} rh ua rau 3 × qhov tsis tshua muaj zog dua 30% RH . Kev Kub Siab (ASTM G154) Ua kom muaj kev cuam tshuam nrog kev sib txawv (ISO 18937) siv Xenon-Arc Weathering Chambers nrog Kev soj xyuas spectring, correlating 1000 teev ntawm kev sim rau1-2}} xyoo ntawm thaj chaw huab cua yog {}}
{{05.}}}}} eure Lus nug thiab kev ua hluav taws xob siab dua thiab ntsuas kev ntsuas ntsuas ntsuas puas yog?
Teb: Niaj hnub nimno Referometry cov khoom siv ntau dua qeb me nyuam}} laser gonier-transform duas las Nta . pase-shifting cuam tshuam los ntawm quarchetic teeb meem kev ua haujlwm portable kev ua haujlwm {19% × Kev Txhim Kho Ntau dhau ntawm cov khoom siv sib npaug. Kev ntsuas kev sib cav tam sim no siv multilayer diilectric siv iav nrog embedded kub, tswj ± 0.1%}} xyoo rov qab siv sij hawm. Cov kev nce qib no tau sib xyaw ua ke rau hauv cov qauv txuas ntxiv ntawm cov polarization thiab qhov hnyav rau cov kev siv.
