D523-08 Daidaitaccen Hanyar Gwaji don Sheki na Musamman

D523-08 Daidaitaccen Hanyar Gwaji don Sheki na Musamman

An bayar da wannan ma'auni a ƙarƙashin ƙayyadaddun ƙayyadaddun nadi D523; lambar nan da nan da ke biye da ƙididdigewa tana nuna shekara ta asali ko kuma, a cikin yanayin bita, shekarar sake dubawa ta ƙarshe. Lamba a cikin baka yana nuna shekarar sake amincewa ta ƙarshe . Babban epsilon yana nuna canjin edita tun bayan bita ta ƙarshe ko sake amincewa. An amince da wannan ma'aunin don amfani da hukumomin Ma'aikatar Tsaro.

1. Girman D523-08

1. Wannan hanyar gwajin ta ƙunshi auna ma'aunin kyalli na samfurori marasa ƙarfe don mitoci masu sheki na 60, 20, da 85 (1-7)
2.  Za a ɗauki ƙimar da aka bayyana a cikin raka'a-laba a matsayin ma'auni. Ƙimar da aka bayar a cikin baƙaƙen lissafin lissafi ne zuwa raka'o'in Sl waɗanda aka tanadar don bayani kawai kuma ba a ɗauke su misali ba.
3. Wannan ma'auni baya nufin magance wani damuwa na aminci, idan akwai, mai alaƙa da amfani da shi. Alhakin mai amfani ne na wannan ma'auni don kafa aminci da ayyukan kiwon lafiya da suka dace da ƙayyadaddun aiwatar da iyakokin tsari kafin amfani.

2. Takardun Magana

Matsayin ASTM:

• D 823 Ayyuka don Ƙirƙirar Fina-Finai na Uniform Kauri na Fenti, Varnish, da Samfura masu alaƙa akan Tayoyin Gwaji.
• D 3964 Ayyuka don Zaɓin Samfuran Rufe don Ma'aunin Bayyanar
• D 3980 Ƙarewa don Gwajin Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa ) da Abubuwan da ke da alaƙa
• Hanyar Gwajin D4039 don Tunani Haze na Manyan Filaye masu sheki
• Hanyar Gwajin E 97 don Fahimtar Nuna Jagoranci, 45-Deg 0-Deg, na Samfuran Opaque ta Broad-Band Filter Reflectometry
• Hanyoyin Gwajin E 430 don Auna Maɗaukakin Fuskokin Maɗaukaki ta Ƙarfafa Goniopotometry

3. Kalmomi

Ma'anar:

1. Matsakaicin haske mai haske na dangi, n-girman raƙuman haske mai haske da ke nunawa daga wani samfur zuwa juzu'in da ke fitowa daga madaidaicin saman ƙasa ƙarƙashin yanayi iri ɗaya. Domin aunawa specular sheki, da misali surface ne goge gilashin.
2. sheki mai ban mamaki, n-dangin haske mai haske na wani samfuri a cikin hanyar madubi.

4. Takaitaccen Hanyar Gwaji

4.1 Ana yin ma'auni tare da lissafin 60, 20, ko 85. An zaɓi ma'auni na kusurwoyi da buɗewa domin a iya amfani da waɗannan hanyoyin kamar haka:
4.1.1 Ana amfani da lissafin 60 don haɗa yawancin samfurori da kuma ƙayyade lokacin da 200 na lissafin zai iya zama mafi dacewa.
4.1.2 Geometry 20 yana da fa'ida don kwatanta samfuran da ke da ƙima mai sheki 60 sama da 70.
4.1.3 Ana amfani da lissafi na 85 don kwatanta samfurori don sheki ko kusa da kiwo. Ana amfani da shi akai-akai lokacin da samfurori ke da ƙima mai haske 60 ƙasa da 10.

5.Muhimmanci da Amfani da D523-08

5.1 Gloss yana da alaƙa da ƙarfin sararin sama don nuna ƙarin haske a cikin kwatance kusa da specular fiye da sauran. Ma'aunai ta wannan hanyar gwajin suna da alaƙa da abubuwan gani na haske na saman da aka yi a kusan kusurwoyi masu dacewa.
5.1.1 Ana auna ma'auni mai sheki ta wannan hanyar gwaji ta hanyar kwatanta haƙiƙa na musamman daga samfurin zuwa wancan daga ma'aunin baƙar fata mai sheki. Tunda tunani na musamman ya dogara da fihirisar refractive na samfurin, ma'aunin ma'aunin mai sheki yana canzawa yayin da fihirisar ta canza. fihirisa.
5.2 Sauran abubuwan gani na bayyanar sama, kamar bambancin hotuna da aka fito da su, hazo mai haske, da rubutu, ana yawan shiga cikin tantancewar sheki.
Hanyar Gwaji E 430 ta haɗa da dabaru don auna duka bambanta-na-hoto mai sheki da hazo. Hanyar gwaji D4039 tana ba da madadin hanya don auna hazo.
5.3 An buga ƙaramin bayani game da alaƙar lambobi zuwa tazarar fahimta na sheki na musamman. Koyaya, a yawancin aikace-aikacen ma'aunin kyalkyali na wannan hanyar gwajin sun samar da sikelin kayan aiki na samfura masu rufi waɗanda suka yarda da kyau tare da sikelin gani.
5.4 lokacin da samfurori suka bambanta sosai a cikin tsinkayar mai sheki ko launi, ko duka biyun , an kwatanta, rashin daidaituwa na iya saduwa da juna a cikin alakar da ke tsakanin ƙimar bambance-bambancen mai sheki na gani da bambance-bambancen karatu mai sheki.

D523-08 Daidaitaccen Hanyar Gwaji don Sheki na Musamman