Corrosion Resistivity of Ceramics

  • Komeya K
  • Nishida K
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Abstract

‹« ‚É'Ï ‚¦ ‚ç‚ê ‚È ‚¢ ‚± ‚AE‚Í, ŠÔˆá ‚¢ ‚È ‚¢•B •… •H ‚AE‚¢ ‚¤-Ú‚Í "ñ •í ‚É ‚« ‚Ñ ‚µ‚¢•B Žã ‚¢•Š ‚ð•U OE‚ ‚· ‚é ‚Ì ‚Å ‚ ‚é ‚± ‚AE‚ð•\ •ª-• ‰ð ‚µ‚Ä ‚¨‚‚¨‚-‚± ‚AE‚ªŠÌ-v ‚Å ‚ ‚é•B ˆÈ ‰º, Še Ží ‚ÌŠÂ ‹« ‰º ‚É ‚¨‚¯‚¨‚¯ ‚é•Þ-¿ ‚Ì'Ï •H•« ‚ð•ã •q ‚Ì4 •Þ-¿ ‚ð ' † •S ‚ɕР‰î ‚· ‚邪, ‚Ü ‚¾ ƒf •[ ƒ^•s '« ‚Å ‚ ‚è, •• •Õ •« ‚ð OE ‡ ‚-OE‹ ‰Ê ‚à ‚µ‚Î ‚µ‚ÎOEo OE± ‚· ‚é ‚± ‚AE‚ð•t ‚¯‰Á ‚¦ ‚Ä ‚¨‚‚¨‚-•B 4. Še Ží •\ '¢-p ƒZ ƒ‰ ƒ~ƒb ƒNƒX ‚Ì 'Ï •H •« •\ '¢-p ƒZ ƒ‰ ƒ~ ƒb ƒNƒX ‚Ì'ã •\ "I ‚È•Þ-¿ ‚Å ‚ ‚éSi3N4(ƒT ƒC ƒA ƒ• ƒ"‚ð ŠÜ ‚Þ), SiC, Al203, ZrO2"™ ‚ɂ ‚¢ ‚Ä, ˆÈ ‰º 'Ï Ž_ ‰» •« •À ‚Ñ ‚É'Ï •H •« ‚ɂ ‚¢ ‚Ä• ‡ ŽŸ •Ð ‰î‚· ‚é•B 4.1 'Ï Ž_ ‰» •« (1) Si3N4 Si3N4‚Ì Ž_ ‰» ‹" "® ‚É ŠÖ ‚µ‚Ä ‚Í, ‚· ‚Å ‚É-{ Ž•1)‚Å •ñ ‚ ¶ ‚ç ‚ê ‚Ä ‚¢ ‚é‚Ì ‚Å ŠÈ 'P ‚É •G ‚ê ‚é•BSi3N4‚Ì Ž_ ‰» "½ ‰ž ‚Í'Ê •í-ñ 900QC‚Ì Ž_ 'f ŠÜ-L •µ ˆÍ ‹C ‰º ‚Å, Si3N4(S)+3O2=3SiO2(S)+2N2 ‚Ì Ž® ‚É •] ‚ª ‚¢ •i •s ‚µ, SiO2‚Ì •\-Ê Ž_ ‰»-OE ‚ª OE`OE`•¬ ‚³‚ê ‚é•B ‚±‚ê ‚Íˆê‚͈ê "Ê "I ‚É ‚͉º ‹L ‚Ì•ú •¨ •ü '¥ ‚É•] ‚ª ‚¢ •d-Ê ‚ª '• ‰Á ‚· ‚é•B (dw)2=kt+C dw: •d-Ê '•, t:Žž ŠÔ, k:"½ ‰ž '¬ "x 'è •", C:'è •", 5 wt%MgO"Y ‰ÁSi3N4•Ä OE‹ 'Ì ‚Ì •d-Ê '• ‚̈ê-á ‚ð •}22) ‚É Ž¦ ‚µ‚½•B •ú •¨ •ü '¥ ‚É•] ‚¤‚± ‚AE‚Í, •\-Ê • ¶ •¬ Ž_ ‰»-OE ‚ð 'Ê ‚µ‚Ä ‚ÌŠg ŽU ‚ª Ž_ ‰» ‚ð Žx "z ‚· ‚é ‚± ‚AE ‚ðˆÓ-¡ ‚µ, • ¶ •¬-OE ‚Ì•ó ‹µ ‚É ‚ae ‚èŽ_ ‰» ‹" "® ‚ªˆÙ‚ªˆÙ ‚È ‚Á ‚Ä ‚-‚é•B •}33)‚ÉY2O3‚AE Al2O3‚ð "Y ‰Á ‚µ‚½ •Ä OE‹ 'Ì ‚ɂ ‚¢ ‚ÄŽ_ ‰» ‚Ì•i •s ‚É ‚AE‚à ‚È ‚¤ • ¶ •¬-OE ‚Ì•Ï ‰» ‹y ‚Ñ "à•" •s •ƒ •¨ ‚ÌˆÚ "® ‚Ì•ó 'Ô ‚ðŽ¦ ‚µ‚½‚ª, ‚±‚ê ‚© ‚ç‚í ‚© ‚é ‚ae ‚¤‚É, Žž ŠÔ ‚AE‹¤ ‚É•\-Ê • ¶ •¬-OE ' † ‚ÉOE‹ •»

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APA

Komeya, K., & Nishida, K. (1986). Corrosion Resistivity of Ceramics. CORROSION ENGINEERING, 35(11), 646–655. https://doi.org/10.3323/jcorr1974.35.11_646

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