{"id":6348,"date":"2025-02-28T14:39:01","date_gmt":"2025-02-28T06:39:01","guid":{"rendered":"http:\/\/weierte.jyjl.cn\/?p=6348"},"modified":"2026-01-21T16:24:49","modified_gmt":"2026-01-21T08:24:49","slug":"large-size-magnesia-crucible","status":"publish","type":"post","link":"https:\/\/weiert-ceramics.com\/ja\/products\/ceramic-crucibles\/magnesia-crucible-mgo\/large-size-magnesia-crucible\/","title":{"rendered":"\u8a98\u5c0e\u6eb6\u89e3\u7528MgO\u308b\u3064\u307c"},"content":{"rendered":"
\n
\"High-temperature<\/figure>\n<\/div>\n\n\n

\u8a98\u5c0e\u6eb6\u89e3\u306b\u304a\u3051\u308bMgO\u308b\u3064\u307c\u306e\u9178\u7d20\u4f9b\u7d66\u306b\u95a2\u3059\u308b\u8ab2\u984c<\/strong><\/h4>\n\n\n\n

\u30cb\u30c3\u30b1\u30eb\u57fa\u8d85\u8010\u71b1\u5408\u91d1\u306e\u88fd\u9020\u306b\u304a\u3044\u3066\u3001\u771f\u7a7a\u8a98\u5c0e\u6eb6\u89e3\uff08VIM\uff09\u30d7\u30ed\u30bb\u30b9\u306f\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u3057\u304b\u3057\u3001MgO\u308b\u3064\u307c\u81ea\u4f53\u304c\u610f\u56f3\u305b\u305a\u9178\u7d20\u4f9b\u7d66\u6e90\u3068\u306a\u308a\u5f97\u308b\u70b9\u306f\u3001\u5341\u5206\u306b\u8a8d\u8b58\u3055\u308c\u3066\u3044\u306a\u3044\u8ab2\u984c\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n\n\n\n

<\/div>\n\n\n\n

\u9178\u7d20\u4f9b\u7d66\u73fe\u8c61<\/strong><\/h4>\n\n\n\n

\u5148\u884c\u7814\u7a76\uff08e.g., Wu Chaowan 1964\uff09\u3067\u306f\u3001\u7d14\u9244\u306e\u771f\u7a7a\u8a98\u5c0e\u6eb6\u89e3\uff08VIM\uff09\u904e\u7a0b\u306b\u304a\u3044\u3066\u3001\u308b\u3064\u307c\u58c1\u304b\u3089\u6eb6\u6e6f\u4e2d\u3078\u9178\u7d20\u304c\u653e\u51fa\u3055\u308c\u3001\u521d\u671f\u306e\u8131\u9178\u5f8c\u306b\u91d1\u5c5e\u4e2d\u306e\u9178\u7d20\u6fc3\u5ea6\u304c\u518d\u4e0a\u6607\u3059\u308b\u53ef\u80fd\u6027\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\n\u8fd1\u5e74\u306e\u7814\u7a76\uff08Li et al., 2024\uff09\u306b\u3088\u308a\u3001\u9ad8\u7d14\u5ea6MgO\u308b\u3064\u307c\u3067\u3042\u3063\u3066\u3082\u9ad8\u771f\u7a7a\u30fb\u9ad8\u6e29\u6761\u4ef6\u4e0b\u3067\u306f\u5fae\u5c0f\u306a\u5206\u89e3\u304c\u751f\u3058\u5f97\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u306e\u53cd\u5fdc\u306f MgO(s) \u21cc Mg(g) + \u00bd O\u2082(g) \u3068\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

<\/div>\n\n\n\n

\u92f3\u9020\u54c1\u8cea\u3078\u306e\u5f71\u97ff<\/strong><\/h4>\n\n\n\n
    \n
  • \u7d14\u30cb\u30c3\u30b1\u30eb\u6eb6\u6e6f\u3067\u306f\u3001\u9178\u7d20\u6fc3\u5ea6\u304c\u4e00\u65e6\u4f4e\u4e0b\u3057\u305f\u5f8c\u3001\u518d\u3073\u4e0a\u6607\u3059\u308b\u50be\u5411\u304c\u898b\u3089\u308c\u308b\uff1b<\/li>\n\n\n\n
  • \u30cb\u30c3\u30b1\u30eb\u57fa\u5408\u91d1\u3067\u306f\u3001\u9178\u7d20\u5897\u52a0\u306b\u3088\u308aAl\u2082O\u2083\u4ecb\u5728\u7269\u304c\u751f\u6210\u3057\u3001\u30af\u30ea\u30fc\u30d7\u8010\u6027\u304a\u3088\u3073\u5f15\u5f35\u7279\u6027\u304c\u4f4e\u4e0b\u3059\u308b\uff1b<\/li>\n\n\n\n
  • \u3053\u308c\u3089\u306e\u4ecb\u5728\u7269\u306f\u3001\u5408\u91d1\u306e\u9577\u671f\u6027\u80fd\u304a\u3088\u3073\u4fe1\u983c\u6027\u3092\u640d\u306a\u3046\u3002<\/li>\n<\/ul>\n\n\n\n
    <\/div>\n\n\n\n

    Weiert Ceramics\u306e\u6280\u8853\u7684\u5236\u5fa1\u6226\u7565<\/strong><\/h4>\n\n\n\n
      \n
    • \u5185\u90e8\u9178\u7d20\u6e90\u3092\u6700\u5c0f\u5316\u3059\u308b\u305f\u3081\u3001\u8d85\u9ad8\u7d14\u5ea6MgO\u539f\u6599\uff08\u226599.7%\uff09\u3092\u4f7f\u7528\uff1b<\/li>\n\n\n\n
    • \u53b3\u683c\u306a\u771f\u7a7a\u5236\u5fa1\u306e\u4e0b\u3067\u3001\u6eb6\u6e6f\u6e29\u5ea6\u3092\u7d041,550 \u00b0C\u306b\u7dad\u6301<\/li>\n<\/ul>\n\n\n\n
      <\/div>\n\n\n\n

      \u691c\u8a3c\u304a\u3088\u3073\u7d50\u679c<\/strong><\/h4>\n\n\n\n

      \u6bd4\u8f03\u8a66\u9a13\u306b\u304a\u3044\u3066\u3001Weiert Ceramics\u306e\u6539\u826f\u578b\u308b\u3064\u307c\u306f\u6eb6\u6e6f\u4e2d\u306e\u9178\u7d20\u6fc3\u5ea6\u3092\u7d043.2 \u00d7 10\u207b\u2076\u304b\u3089\u7d041.4 \u00d7 10\u207b\u2076\u3078\u4f4e\u6e1b\u3057\u3001\u9178\u7d20\u4f9b\u7d66\u7387\u3092\u7d0460%\u524a\u6e1b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

      <\/div>\n\n\n\n

      \u307e\u3068\u3081<\/strong><\/h4>\n\n\n\n

      \u308b\u3064\u307c\u304b\u3089\u306e\u9178\u7d20\u4f9b\u7d66\u306f\u6f5c\u5728\u7684\u306a\u6c5a\u67d3\u6e90\u3067\u3059\u3002\u9ad8\u7d14\u5ea6\u6750\u6599\u3068\u4fdd\u8b77\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3001Weiert Ceramics\u306f\u5408\u91d1\u7d14\u5ea6\u306e\u5411\u4e0a\u304a\u3088\u3073\u30d7\u30ed\u30bb\u30b9\u518d\u73fe\u6027\u3092\u5b9f\u73fe\u3059\u308b\u5148\u9032\u7684\u306a\u308b\u3064\u307c\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

      <\/div>\n\n\n\n

      \u53c2\u8003\u6587\u732e \uff1a<\/strong><\/p>\n\n\n\n

        \n
      • Wu Chaowan, Studies on MgO Crucible in Vacuum Induction Furnace for Pure Iron Melting<\/em>, Acta Metallurgica Sinica, 1964.<\/li>\n\n\n\n
      • Li Xu-Ze et al., Deoxidation of Nickel-Based Superalloy Using Carbon under High Vacuum Considering MgO-Crucible Decomposition<\/em>, Metallurgical & Materials Transactions B, 2024.<\/li>\n\n\n\n
      • Yan Jing, Vacuum Induction Melting of BY-Series Deformation Nickel-Based Superalloy: Loss Mechanisms of MgO Crucibles<\/em>, Journal of Large-Scale Forgings & Presses, 2024.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

        Oxygen Supply Challenge of MgO Crucibles in Induction Melting In nickel-based superalloy production, the vacuum induction melting (VIM) process is critical. Yet one often under-appreciated challenge is that the MgO crucible itself can act as an inadvertent oxygen source. The phenomenon of oxygen supply Earlier studies (e.g., Wu Chaowan 1964) indicated that during VIM of pure iron, the crucible wall may release oxygen into the melt, causing the metal\u2019s oxygen content to rise again after initial reduction. Recent research (Li et al., 2024) confirms that even high-purity MgO crucibles can undergo slight decomposition under high vacuum and high temperature conditions (MgO(s) \u21cc Mg(g) + \u00bd O\u2082(g)). Impact on casting quality […]<\/p>\n","protected":false},"author":1,"featured_media":6341,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[170],"tags":[],"class_list":["post-6348","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-magnesia-crucible-mgo"],"acf":[],"yoast_head":"\nMagnesia Crucibles for Induction Melting - Weiert Ceramics Technology Co., Ltd.<\/title>\n<meta name=\"description\" content=\"Discover the critical issues surrounding high purity Magnesia crucibles in nickel superalloy production and their effects on performance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/weiert-ceramics.com\/ja\/products\/ceramic-crucibles\/magnesia-crucible-mgo\/large-size-magnesia-crucible\/\" \/>\n<meta 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