{"id":136296,"date":"2025-09-02T16:51:47","date_gmt":"2025-09-02T08:51:47","guid":{"rendered":"https:\/\/www.alpapowder.com\/136296\/"},"modified":"2025-09-02T16:51:47","modified_gmt":"2025-09-02T08:51:47","slug":"nhom-oxit-nung-da-tro-thanh-mot-ho-tro-quan-trong-cho-su-phat-trien-cua-nganh-cong-nghiep-gom-su","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/136296\/","title":{"rendered":"Nh\u00f4m oxit nung \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t h\u1ed7 tr\u1ee3 quan tr\u1ecdng cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p g\u1ed1m s\u1ee9"},"content":{"rendered":"

\"\"<\/p>\n

Nh\u00f4m oxit nung, m\u1ed9t v\u1eadt li\u1ec7u v\u00f4 c\u01a1 phi kim lo\u1ea1i \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb nh\u00f4m oxit c\u00f4ng nghi\u1ec7p nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao, s\u1edf h\u1eefu nhi\u1ec1u \u0111\u1eb7c t\u00ednh \u0111\u00e1ng ch\u00fa \u00fd. Th\u1ee9 nh\u1ea5t, \u0111\u1ed9 c\u1ee9ng cao l\u00e0 m\u1ed9t trong nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a nh\u00f4m oxit. \u0110\u1ed9 c\u1ee9ng Mohs c\u1ee7a nh\u00f4m oxit \u0111\u1ea1t m\u1ee9c 9, ch\u1ec9 \u0111\u1ee9ng sau kim c\u01b0\u01a1ng. \u0110i\u1ec1u n\u00e0y l\u00e0m cho c\u00e1c s\u1ea3n ph\u1ea9m g\u1ed1m s\u1ee9 l\u00e0m t\u1eeb nh\u00f4m oxit c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n \u0111\u1eb7c bi\u1ec7t, duy tr\u00ec v\u1ebb ngo\u00e0i \u0111\u1eb9p m\u1eaft v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ea5u tr\u00fac trong th\u1eddi gian d\u00e0i s\u1eed d\u1ee5ng. Th\u1ee9 hai, nh\u00f4m oxit nung c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao tuy\u1ec7t v\u1eddi, c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn h\u00e0ng ngh\u00ecn \u0111\u1ed9 C m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng hay h\u01b0 h\u1ecfng, m\u1ed9t \u0111\u1eb7c t\u00ednh khi\u1ebfn nh\u00f4m oxit nung \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong l\u0129nh v\u1ef1c g\u1ed1m s\u1ee9 ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao. H\u01a1n n\u1eefa, nh\u00f4m oxit nung c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi v\u00e0 kh\u00f4ng d\u1ec5 b\u1ecb ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc v\u1edbi c\u00e1c ch\u1ea5t kh\u00e1c, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m g\u1ed1m s\u1ee9.<\/p>\n

C\u00e1c ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a nh\u00f4m oxit nung trong men<\/p>\n

Do \u0111\u1ed9 tinh khi\u1ebft cao, \u0111\u1ed9 c\u1ee9ng cao v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi, nh\u00f4m oxit nung \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong men, \u0111\u1eb7c bi\u1ec7t l\u00e0 g\u1ed1m s\u1ee9 gia d\u1ee5ng, g\u1ed1m s\u1ee9 ki\u1ebfn \u200b\u200btr\u00fac v\u00e0 g\u1ed1m s\u1ee9 \u0111\u1eb7c bi\u1ec7t. Trong \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, n\u00f3 kh\u00f4ng ch\u1ec9 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a b\u1ec1 m\u1eb7t men, gi\u1ea3m thi\u1ec3u hi\u1ec7u qu\u1ea3 tr\u1ea7y x\u01b0\u1edbc v\u00e0 m\u00e0i m\u00f2n trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, t\u1eeb \u0111\u00f3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a s\u1ea3n ph\u1ea9m g\u1ed1m s\u1ee9; m\u00e0 c\u00f2n t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc c\u1ee7a men, gi\u1ea3m nguy c\u01a1 \u0103n m\u00f2n axit v\u00e0 ki\u1ec1m, \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng b\u00e1m b\u1ea9n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a s\u1ea3n ph\u1ea9m. H\u01a1n n\u1eefa, vi\u1ec7c b\u1ed5 sung alumina nung th\u00edch h\u1ee3p c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y v\u00e0 \u0111\u1ed9 nh\u1edbt c\u1ee7a men, c\u1ea3i thi\u1ec7n \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng, tr\u00e1nh c\u00e1c khuy\u1ebft t\u1eadt nh\u01b0 l\u1ed7 kim v\u00e0 co ng\u00f3t men, mang l\u1ea1i b\u1ec1 m\u1eb7t men m\u1ecbn m\u00e0ng v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n. H\u01a1n n\u1eefa, c\u00e1c \u0111\u1eb7c t\u00ednh quang h\u1ecdc \u0111\u1ed9c \u0111\u00e1o c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 gi\u00fap ki\u1ec3m so\u00e1t \u0111\u1ed9 b\u00f3ng c\u1ee7a men, t\u1ea1o th\u00eam k\u1ebft c\u1ea5u tinh t\u1ebf cho men m\u1edd v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a \u0111\u1ed9 b\u00f3ng c\u1ee7a men b\u00f3ng, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u thi\u1ebft k\u1ebf c\u1ee7a nhi\u1ec1u s\u1ea3n ph\u1ea9m g\u1ed1m s\u1ee9 kh\u00e1c nhau.<\/p>\n

Trong \u1ee9ng d\u1ee5ng b\u1ed9t m\u00e0u, alumina nung c\u00f3 th\u1ec3 cung c\u1ea5p ch\u1ea5t mang \u1ed5n \u0111\u1ecbnh cho c\u00e1c b\u1ed9t m\u00e0u oxit kim lo\u1ea1i (nh\u01b0 oxit s\u1eaft v\u00e0 oxit coban), \u1ee9c ch\u1ebf s\u1ef1 bay h\u01a1i ho\u1eb7c khu\u1ebfch t\u00e1n c\u1ee7a b\u1ed9t m\u00e0u \u1edf nhi\u1ec7t \u0111\u1ed9 cao, v\u00e0 ng\u0103n ng\u1eeba men b\u1ecb n\u1edf v\u00e0 phai m\u00e0u. \u0110\u1eb7c bi\u1ec7t trong men nhi\u1ec7t \u0111\u1ed9 cao, n\u00f3 c\u00f3 th\u1ec3 kh\u00f3a ch\u1eb7t n\u1ed3ng \u0111\u1ed9 m\u00e0u v\u00e0 \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t t\u00f4ng m\u00e0u, gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u \u1ee9ng trang tr\u00ed g\u1ed1m s\u1ee9 phong ph\u00fa v\u00e0 l\u00e2u d\u00e0i. \u0110\u00e2y l\u00e0 h\u1ed7 tr\u1ee3 quan tr\u1ecdng \u0111\u1ec3 th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a men m\u00e0u g\u1ed1m s\u1ee9 h\u01b0\u1edbng t\u1edbi hi\u1ec7u su\u1ea5t cao v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao.<\/p>\n","protected":false},"excerpt":{"rendered":"

Nh\u00f4m oxit nung, m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u v\u00f4 c\u01a1 phi kim lo\u1ea1i \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb nh\u00f4m oxit c\u00f4ng nghi\u1ec7p nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao, c\u00f3 nhi\u1ec1u \u0111\u1eb7c t\u00ednh \u0111\u00e1ng ch\u00fa \u00fd.<\/p>\n","protected":false},"author":7,"featured_media":136271,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-136296","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/136296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=136296"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/136296\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/136271"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=136296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=136296"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=136296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}