{"id":111104,"date":"2021-09-07T14:37:38","date_gmt":"2021-09-07T06:37:38","guid":{"rendered":"https:\/\/www.alpapowder.com\/111104\/"},"modified":"2021-09-07T14:37:38","modified_gmt":"2021-09-07T06:37:38","slug":"talk-islenmesi-ve-uygulanmasi","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/tr\/111104\/","title":{"rendered":"Talk i\u015flenmesi ve uygulanmas\u0131"},"content":{"rendered":"
Talkun renk de\u011fi\u015fimine esas olarak safs\u0131zl\u0131klar neden olur. Kirlilik ne kadar fazla olursa, renk o kadar koyu olur. Saf olanlar beyazd\u0131r ve safs\u0131zl\u0131klar hafif sar\u0131, pembe, a\u00e7\u0131k ye\u015fil, a\u00e7\u0131k kahverengi ve di\u011fer renklerdir. Yo\u011fun blok kabuk benzeri bir k\u0131r\u0131lmaya sahiptir, ba\u011f\u0131l yo\u011funluk 2.58-2.83’t\u00fcr ve kayganl\u0131k a\u00e7\u0131s\u0131ndan zengindir, cams\u0131 bir parlakl\u0131\u011fa sahiptir, b\u00f6l\u00fcnme y\u00fczeyi inci gibi parlakt\u0131r ve b\u00f6l\u00fcnme tabakas\u0131 esnektir (esneklik, pul pul ayr\u0131lma anlam\u0131na gelir) Mineraller, ince dilimleri, s\u0131n\u0131r kuvvetlerinin etkisi alt\u0131nda k\u0131r\u0131lmadan \u00f6nemli \u00f6l\u00e7\u00fcde b\u00fck\u00fclebilir, ancak d\u0131\u015f kuvvet kald\u0131r\u0131ld\u0131ktan sonra orijinal \u00f6zelliklerine geri d\u00f6nd\u00fcr\u00fclemez).<\/p>\n
Birka\u00e7 do\u011fal saf talk madeni vard\u0131r ve ortak mineraller klorit, serpantin, manyezit, tremolit ve dolomittir.<\/p>\n
Talk\u0131n teorik kimyasal bile\u015fimi %4.75 H2<\/sub>O, %31.68 MgO ve %63.47 SiO2<\/sub>‘dir.<\/p>\n \u00a0 \u00a0 <\/p>\n Talk\u0131n molek\u00fcler yap\u0131s\u0131 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Talk\u0131n mikro yap\u0131s\u0131<\/p>\n Adsorpsiyon: ya\u011f absorpsiyonu %49~51’dir;<\/p>\n Termal performans: Refrakterlik 1490-1510 \u2103 kadar y\u00fcksektir;<\/p>\n Elektriksel yal\u0131t\u0131m performans\u0131: Demir i\u00e7eren mineraller g\u00f6r\u00fcnd\u00fc\u011f\u00fcnde yal\u0131t\u0131m performans\u0131 d\u00fc\u015fer;<\/p>\n Kapsama: Ultra ince talk pudras\u0131, yang\u0131na ve hava ko\u015fullar\u0131na dayan\u0131kl\u0131 bir film olu\u015fturabilir;<\/p>\n Kimyasal stabilite: Genel olarak g\u00fc\u00e7l\u00fc asitler ve bazlarla reaksiyona girmez;<\/p>\n Di\u011fer \u00f6zellikler: d\u00fc\u015f\u00fck sertlik ve g\u00fc\u00e7l\u00fc kayganl\u0131k hissi; safs\u0131zl\u0131k mineralleri artt\u0131\u011f\u0131nda, ya\u011flama performans\u0131 a\u00e7\u0131k\u00e7a azalacakt\u0131r; talk yo\u011fundur ve sertli\u011fi d\u00fc\u015f\u00fckt\u00fcr ve iyi mekanik i\u015fleme ve oyma performans\u0131na sahiptir.<\/p>\n Kimyasal bile\u015fim nispeten kararl\u0131d\u0131r. Si bazen Al veya Ti ile de\u011fi\u015ftirilir (Al %5’e ula\u015fabilir, Ti %0,1’e ula\u015fabilir), Mg genellikle Fe ile de\u011fi\u015ftirilir ve az miktarda Mn, Ni, Al (FeO %5’e ula\u015f\u0131r, Fe2<\/sub>O3<\/sub>\u00a0%4,2’ye ula\u015f\u0131r, NiO %1’e kadar), bazen az miktarda K, Na, Ca i\u00e7eren, bu elementler talk katmanlar\u0131 aras\u0131nda yer alabilir veya mekanik olarak kar\u0131\u015ft\u0131r\u0131labilir, demir a\u00e7\u0131s\u0131ndan zengin u\u00e7 elemanlar\u0131n varyant\u0131 – %33.7’ye kadar FeO i\u00e7eren demir talk.<\/p>\n Talk, blok talk (talk i\u00e7eri\u011fi>% 70), talk kayas\u0131 (talk i\u00e7eri\u011fi 30-70%), talk kayas\u0131, talk-klorit kayas\u0131, talk-karbonat kayas\u0131 olarak ayr\u0131labilir.<\/p>\nTalkun fiziksel ve kimyasal \u00f6zellikleri<\/h4>\n
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Talk\u0131n s\u0131n\u0131fland\u0131r\u0131lmas\u0131<\/h4>\n