{"id":1787,"date":"2020-09-26T23:27:04","date_gmt":"2020-09-26T14:27:04","guid":{"rendered":"https:\/\/www.ostech.co.jp\/wp\/business\/fine-ceramics\/engineering-ceramics\/"},"modified":"2020-09-26T23:27:04","modified_gmt":"2020-09-26T14:27:04","slug":"engineering-ceramics","status":"publish","type":"page","link":"https:\/\/www.ostech.co.jp\/en\/products\/fine-ceramics\/engineering-ceramics\/","title":{"rendered":"Engineering Ceramics"},"content":{"rendered":"<div class=\"list\">\n<dl compact>\n<dt>\u30a2\u30eb\u30df\u30ca99.9%<\/dt>\n<dd>\u7d14\u5ea699.9%\u306e\u9ad8\u7d14\u5ea6\u6750\u6599\u3067\u3059\u3002<\/dd>\n<dt>\u30a2\u30eb\u30df\u30ca99.5%<\/dt>\n<dd>\u5f37\u5ea6\u30fb\u96fb\u6c17\u7d76\u7e01\u30fb\u8010\u6469\u8017\u6027\u3068\u975e\u5e38\u306b\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u9ad8\u7d14\u5ea6\u54c1\u306e\u6c4e\u7528\u30b0\u30ec\u30fc\u30c9\u3067\u3059\u3002<\/dd>\n<dt>\u30a2\u30eb\u30df\u30ca96.0%<\/dt>\n<dd>\u30e1\u30bf\u30e9\u30a4\u30ba\u6027\u306b\u512a\u308c\u305f\u30b0\u30ec\u30fc\u30c9\u3067\u3059\u3002<\/dd>\n<dt>\u7a92\u5316\u30b1\u30a4\u7d20<\/dt>\n<dd>\u9ad8\u6e29\u3067\u306e\u6a5f\u68b0\u5f37\u5ea6\u304c\u5927\u304d\u304f\u3001\u8010\u71b1\u885d\u6483\u6027\u306b\u512a\u308c\u307e\u3059\u3002<\/dd>\n<dt>\u70ad\u5316\u30b1\u30a4\u7d20<\/dt>\n<dd>\u786c\u5ea6\u304c\u975e\u5e38\u306b\u9ad8\u304f\u3001\u8010\u6469\u8017\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u9ad8\u6e29\u3067\u3082\u5f37\u5ea6\u304c\u52a3\u5316\u3057\u307e\u305b\u3093\u3002<\/dd>\n<\/dl>\n<\/div>\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<th>Type<\/th>\n<th colspan=\"3\">Alumina<\/th>\n<th>Silicon nitride<\/th>\n<th>Silicon carbide<\/th>\n<\/tr>\n<tr>\n<td>Composition<\/td>\n<td>Al<span class=\"figure\">2<\/span>O<span class=\"figure\">3<\/span> 99.9%<\/td>\n<td>Al<span class=\"figure\">2<\/span>O<span class=\"figure\">3<\/span> 99.5%<\/td>\n<td>Al<span class=\"figure\">2<\/span>O<span class=\"figure\">3<\/span> 96.0%<\/td>\n<td>Si<span class=\"figure\">3<\/span>N<span class=\"figure\">4<\/span><\/td>\n<td>SiC<\/td>\n<\/tr>\n<tr>\n<td>Color<\/td>\n<td>Flesh<\/td>\n<td>Pale Flesh<\/td>\n<td>White<\/td>\n<td>Gray<\/td>\n<td>Black<\/td>\n<\/tr>\n<tr>\n<td>Bulk Density (g\/cm<sup>3<\/sup>)<\/td>\n<td>3.9<\/td>\n<td>3.9<\/td>\n<td>3.7<\/td>\n<td>3.2<\/td>\n<td>3.1<\/td>\n<\/tr>\n<tr>\n<td>Water Adsorption Ratio (%)<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td>Bending Strength (Mpa)<\/td>\n<td>350<\/td>\n<td>340<\/td>\n<td>310<\/td>\n<td>880<\/td>\n<td>490<\/td>\n<\/tr>\n<tr>\n<td>Conpressive Strength (Mpa)<\/td>\n<td>2900<\/td>\n<td>2900<\/td>\n<td>2400<\/td>\n<td>2940<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Young&#8217;s Ratio (Gpa)<\/td>\n<td>400<\/td>\n<td>350<\/td>\n<td>310<\/td>\n<td>290<\/td>\n<td>390<\/td>\n<\/tr>\n<tr>\n<td>Poisson&#8217;s Ratio<\/td>\n<td>0.24<\/td>\n<td>0.23<\/td>\n<td>0.24<\/td>\n<td>0.28<\/td>\n<td>0.16<\/td>\n<\/tr>\n<tr>\n<td>Vickers Hardness (Gpa)<\/td>\n<td>15<\/td>\n<td>15<\/td>\n<td>11<\/td>\n<td>16<\/td>\n<td>20<\/td>\n<\/tr>\n<tr>\n<td>Volume Resistivity [RT]<br \/>\n[RT] (\u03a9\uff65cm)<\/td>\n<td>2 x10<sup>15<\/sup><\/td>\n<td>1 x10<sup>15<\/sup><\/td>\n<td>0.1 x10<sup>15<\/sup><\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Volume Resistivity [RT]<br \/>\n[500\u2103] (\u03a9\uff65cm)<\/td>\n<td>0.2 x 10<sup>12<\/sup><\/td>\n<td>60 x10<sup>9<\/sup><\/td>\n<td>40 x10<sup>6<\/sup><\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Dielectric Constant<br \/>\n[1MHZ]<\/td>\n<td>10<\/td>\n<td>10<\/td>\n<td>9.5<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Dielectric Tangent<br \/>\n[1MHz]<\/td>\n<td>0.0004<\/td>\n<td>0.0004<\/td>\n<td>0.0004<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Dielectric Strength (kV\/mm)<\/td>\n<td>\uff1e10<\/td>\n<td>\uff1e10<\/td>\n<td>\uff1e10<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Max. Useable Temperature<br \/>\n(\u2103)<\/td>\n<td>1600<\/td>\n<td>1500<\/td>\n<td>1500<\/td>\n<td>1200<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Thermal Expansion Coefficient<br \/>\n[RT-200\u2103] (\/\u2103)<\/td>\n<td>6.5 x 10<sup>-6<\/sup><\/td>\n<td>6.5 x 10<sup>-6<\/sup><\/td>\n<td>6.4 x 10<sup>-6<\/sup><\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Thermal Expansion Coefficient<br \/>\n[RT-400\u2103] (\/\u2103)<\/td>\n<td>7.0 x 10<sup>-6<\/sup><\/td>\n<td>7.0 x 10<sup>-6<\/sup><\/td>\n<td>6.9 x 10<sup>-6<\/sup><\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Thermal Expansion Coefficient<br \/>\n[RT-600\u2103] (\/\u2103)<\/td>\n<td>7.5 x 10<sup>-6<\/sup><\/td>\n<td>7.5 x 10<sup>-6<\/sup><\/td>\n<td>7.4 x 10<sup>-6<\/sup><\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Thermal Expansion Coefficient<br \/>\n[RT-800\u2103] (\/\u2103)<\/td>\n<td>7.9 x 10<sup>-6<\/sup><\/td>\n<td>7.9 x 10<sup>-6<\/sup><\/td>\n<td>7.5 x 10<sup>-6<\/sup><\/td>\n<td>3.2 x 10<sup>-6<\/sup><\/td>\n<td>4.2 x 10<sup>-6<\/sup><\/td>\n<\/tr>\n<tr>\n<td>Thermal Conductivity<br \/>\n[RT] (W\/m\uff65K)<\/td>\n<td>38<\/td>\n<td>30<\/td>\n<td>24<\/td>\n<td>25<\/td>\n<td>75<\/td>\n<\/tr>\n<tr>\n<td>Thermal Conductivity<br \/>\n[400\u2103] (W\/m\uff65K)<\/td>\n<td>14<\/td>\n<td>13<\/td>\n<td>11<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Thermal Conductivity<br \/>\n[800\u2103] (W\/m\uff65K)<\/td>\n<td>11<\/td>\n<td>9<\/td>\n<td>8<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Specific Heat<br \/>\n[RT] (kJ\/kg\uff65K)<\/td>\n<td>0.8<\/td>\n<td>0.8<\/td>\n<td>0.8<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Specific Heat<br \/>\n[400\u2103] (kJ\/kg\uff65K)<\/td>\n<td>1.1<\/td>\n<td>1.1<\/td>\n<td>1.1<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Specific Heat<br \/>\n[800\u2103] (kJ\/kg\uff65K)<\/td>\n<td>1.3<\/td>\n<td>1.3<\/td>\n<td>1.3<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Heat Shock Strength<br \/>\n(\u2103)<\/td>\n<td>200<\/td>\n<td>200<\/td>\n<td>200<\/td>\n<td>700<\/td>\n<td>400<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>\u30a2\u30eb\u30df\u30ca99.9% \u7d14\u5ea699.9%\u306e\u9ad8\u7d14\u5ea6\u6750\u6599\u3067\u3059\u3002 \u30a2\u30eb\u30df\u30ca99.5% \u5f37\u5ea6\u30fb\u96fb\u6c17\u7d76\u7e01\u30fb\u8010\u6469\u8017\u6027\u3068\u975e\u5e38\u306b\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u9ad8\u7d14\u5ea6\u54c1\u306e\u6c4e\u7528\u30b0\u30ec\u30fc\u30c9\u3067\u3059\u3002 \u30a2\u30eb\u30df\u30ca96.0% \u30e1\u30bf\u30e9\u30a4\u30ba\u6027\u306b\u512a\u308c\u305f\u30b0\u30ec\u30fc\u30c9\u3067\u3059\u3002 \u7a92\u5316\u30b1\u30a4\u7d20 \u9ad8\u6e29\u3067\u306e\u6a5f\u68b0\u5f37\u5ea6\u304c\u5927\u304d\u304f\u3001\u8010\u71b1\u885d\u6483\u6027\u306b\u512a\u308c\u307e\u3059\u3002 \u70ad\u5316\u30b1\u30a4\u7d20 \u786c\u5ea6\u304c\u975e\u5e38\u306b\u9ad8\u304f\u3001\u8010\u6469\u8017\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u9ad8\u6e29\u3067\u3082\u5f37\u5ea6\u304c\u52a3\u5316\u3057\u307e\u305b\u3093\u3002 Type Alumina Silicon nitride Silicon carbide Composition Al2O3 99.9% Al2O3 99.5% Al2O3 96.0% Si3N4 SiC Color Flesh Pale Flesh White Gray Black Bulk Density (g\/cm3) 3.9 3.9 3.7 3.2 3.1 Water Adsorption Ratio (%) 0 0 0 0 0 Bending Strength (Mpa) 350 340 310 880 490 Conpressive Strength (Mpa) 2900 2900 2400 2940 &#8211; Young&#8217;s Ratio (Gpa) 400 350 310 290 390 Poisson&#8217;s Ratio 0.24 0.23 0.24 0.28 0.16 Vickers Hardness (Gpa) 15 15 11 16 20 Volume Resistivity [RT] [RT] (\u03a9\uff65cm) 2 x1015 1 x1015 0.1 x1015 &#8211; &#8211; Volume Resistivity [RT] [500\u2103] (\u03a9\uff65cm) 0.2 x 1012 60 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1778,"menu_order":140,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1787","page","type-page","status-publish","hentry"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u30a2\u30eb\u30df\u30ca99.9% \u7d14\u5ea699.9%\u306e\u9ad8\u7d14\u5ea6\u6750\u6599\u3067\u3059\u3002 \u30a2\u30eb\u30df\u30ca99.5% \u5f37\u5ea6\u30fb\u96fb\u6c17\u7d76\u7e01\u30fb\u8010\u6469\u8017\u6027\u3068\u975e\u5e38\u306b\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u9ad8\u7d14\u5ea6\u54c1\u306e\u6c4e\u7528\u30b0\u30ec\u30fc\u30c9\u3067\u3059\u3002 \u30a2\u30eb\u30df\u30ca96.0% \u30e1\u30bf\u30e9\u30a4\u30ba\u6027\u306b\u512a\u308c\u305f\u30b0\u30ec\u30fc\u30c9\u3067\u3059\u3002 \u7a92\u5316\u30b1\u30a4\u7d20 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