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TW201008894A - Material and method for welding zircon blocks - Google Patents

Material and method for welding zircon blocks Download PDF

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TW201008894A
TW201008894A TW098114708A TW98114708A TW201008894A TW 201008894 A TW201008894 A TW 201008894A TW 098114708 A TW098114708 A TW 098114708A TW 98114708 A TW98114708 A TW 98114708A TW 201008894 A TW201008894 A TW 201008894A
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wrong
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welding
manufacturing
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TWI531553B (zh
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William Peter Addiego
Christopher Raymond Glose
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Corning Inc
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Description

201008894 六、發明說明: 【發明所屬之技術領域】 • 本發明是關於形成鍅石塊的材料和方法。特別地,本 發明是關於將錯石塊銲接來形成較大尺寸之鍅石塊的材料 和方法。本發明可以用來,例如製造生產玻璃薄片之熔融 . 下拉法中所使用的大-尺寸等管。 【先前技術】 0 等管是溶融法中所使用的耐火锆石塊用來載運,塑形, 和拉製熔融玻璃使成為液晶顯示器(LCD)裝置中的玻璃薄 片。為了製造4管,將錯石等靜壓壓製成較大塊體,然後在 高溫例如超過1550°C下燃燒。如果寬度符合的話然後可 以把此塊體切割成製造LCD薄片玻璃所需要之預定長度等 管的形狀和尺寸。如果需要更寬的平板顯示器,那麼就需 要較大的等靜壓壓製來製造夠寬的錯石塊以生產在考量收 縮和研磨之後所需要之寬度的完工等管。然而,較大等靜 Q 壓壓製的大資本投資可能過高。此外,處理大报多且重很 多的塊體會引起相當困難的技術問題,例如較高的破裂可 能性,晶粒分佈的不均勻性,較低的素坯和燒結密度,和較 低的強度’以及其他由於物品尺寸的增加,可能會拖延更久 • 的問題。 對於這個問題的潛在方案是發展—個方法,將幾個較 小的等靜壓壓製素滅石塊接合在一起並且在燃燒期間 將它們銲接在-起。將此較大的燒成錯石塊形成最終形狀 和尺寸。本發明描述一種方式,將錯石接合在一起,使用锆 201008894 石—二氧化鈦—類熔塊將這些素堪錯石塊"銲接"在一起。此 外’ <1600 C的燃燒錯石塊或已燒成錯石塊也可以 -接,而燒結成較大塊體。 【發明内容】 本發明一項為用來銲接鍅石塊的銲接材料。該銲接材 料包含:結石顆粒;二氧化鈦顆粒;以及選擇性的燒結輔助 劑例如 Si〇2, Υ2〇3,和 Fe2〇3。 ❹本發㈣-項為製造如塊的綠。該奴錯石塊方 法包含底下步驟:(i)提供多個欲接合的鍅石組件,含有欲 接合的表面;(ii)塗覆錯石塊的銲接材料到欲接合之多個 鍅石組件的表面;以及(iii)將此介面加熱到至少的 溫度。 【實施方式】 除非有特別指示,否則在此規格和聲明中所使用的所 有數字,例如成分的重量百分比,尺寸,和某個物理特性的 Q 數值,在所有情況中都應該視為有"大約”一詞的修飾。同 時要瞭解的是,在說明書和申請專利範圍中所使用的精準 數值,形成本發明額外的實施例。我們盡最大努力來確定 在例子中所提出之數值的準確度。然而,任何測量數值都 • 可能由於各別測量技術的標準差,因而固有地包含某些誤 差。 如這裡所使用的,在描述和主張本發明時,使用不定冠 詞"一個",意指"至少一個",不應該被限定為"只有一個”, 除非有明顯的指示。因此,例如當提及',一個燒結輔助劑,, 201008894 時,包括含有兩個或更多個燒結輔助劑的實施例,除非上下 文中很清楚地有不同的指示。這裡所使用之成分的"%重量 比”除胃非特別說明,否則是根據包含此成分之組成或物品的 總重量而言。這裡所使用的所有百分比都是以重量為準, 除非有特別的指示。 將非常細的錯石跟均勻—分散之二氧化鈦和/或其他燒 結辅補_合物,混合成瓣(陶賴^接喊)。將等靜壓 ❹壓製的結石製品不管是燒成或未燒成形成含有互鎖接頭,用 來承擔重置’並抵抗機械應力。讓這些接頭溢滿鮮接糊漿( 考里到燃燒時的收縮),紐壓縮並燃燒到溫糾獅。c,將 兩個鍅石部分(素赵或預—燒結)接合在一起。壓縮可以藉由 某個適合的耐火材㈣量加到接合部分上來施加。在冷卻 之後’將此部分成形,並加工成最終的等管尺寸和形狀。 本發明排除為了較大的LCD玻璃薄片,而投資較大等靜 壓壓製法的需求,延長了目前壓製法的使用。可以製造比傳 Q 統的等靜壓壓製法還寬报多的塊體。 上面的圖1顯不使用榫稱孔接頭,將兩個錯石棒接合 。其他的接合設肺其册料驗合也可財慮。將接 頭_可喃忙確定良好的觸,和财晶體賴漿生長 ,到錯石棒的表面,以及錯石晶體從棒生長到接頭達到兩個 棒的輝接。本發财機躺, 了錯石和二氧化鈦之 間的燒結生長触,和奥麟瓦德熱化。細 )解離,然彳膝結糾較大繼雜和棒絲=糊/ 石晶體離開錯石表面往相對面生長形成兩個錯石棒之間的 5 201008894 銲接。 在特疋實施例中,將錯石粉末細微地研磨到中位尺寸 <2微米,在特定實施例!微米。將錯石跟二氧化欽粉末 (金紅石或銳鈦礦)乾混合,或是轉體分散二氧化欽溶膠 混合,其中顆粒尺寸《1微米,或溶膠<1〇微米,使得二氧化 / 鈦地1重狄在特定實施例中>0.5重量%。讓此混合物充 分均勻分佈以確保二氧化鈦有高的分散和均勻性。此材料 ❹可以配製成泥漿,剪切混合,並噴霧—乾燥;其他燒結輔助劑 也可以一起混合,包括氧化釔和氧化鐵。之後,將锆石/二 氧化鈦粉末配製成水溶性漿體,可以選擇性地使用有機黏 接劑,例如丙烯酸乳膠或黏著劑,這個就作為錯石製品的陶 瓷銲接糊漿。將等靜壓壓製的锆石製品,不管是燒成或未 燒成形成含有互鎖接來承觀4,並抵抗賊應力。 將接頭表面塗覆糊漿,而讓接頭溢滿銲接糊漿(考量到燃蜱 時的收縮)。壓縮並燃燒到溫度>15G(rc,將兩舰石部^ Q 接合在一起。壓縮可以藉由某個適合的耐火材將重量加到 接合部分上來施加。在冷卻之後將此部分切割,並加工成 最終的等管尺寸和形狀。此外,燒結辅助劑例如二氧化欽 • 也可以單獨作為銲接糊漿。同時,锆石先驅物例如氧化鍅 1 鹽和膠質石夕石也可以跟細锆石銲接糊漿一起使用以促進接 合和晶體生長。 熟知此技術者瞭解本發明能夠作許多變化及改變而並 不會脫離本發明之精神及範圍。預期本發明含蓋本發明各 種變化及改變,其屬於下列申請專利範圍以及同等物範圍 201008894 内。 【圖式簡單說明】 . 圖1顯示使用榫頭榫孔接合,將兩個锆石棒接合。 圖2顯示出鍅石晶體由糊狀物成長至锆石棒之表面以 及成為銲接接頭。 • 【主要元件符號說明】 榫頭榫孔接頭101;壓力103。
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Claims (1)

  1. 201008894 七、申請專利範圍: 1. 一種用來銲接鍅石塊的銲接材料其包含: ^石顆敕: 鍅石顆粒; 一氧化鈦顆粒;以及 選擇性的燒結辅助劑例如si〇2, γ2〇3,和Fe2〇3。 2·依據申料利細帛1項之雜材料,古 帽值尺糊、於嶋,或小則^。、他顆粒具有 ==,㈣1㈣她4射二氧賊 顆粒具有巾間值尺寸為小於1微米。 4·依據申請專利範圍第i或2項之 總重量百分比為祕〇.1%。 托糾-氧化鈦 =:專利範圍第2或1項之桿接材料,其中二氧化鈦 =:::=:材料,其中,_ ==糊娜2或1項之鳴料,㈣趙為水 請專概M1或2奴銲騎料,其中包含有機 9. ^據帽專利範圍第丨或2項之銲接材料,其 一種氧化鍅鹽類。 匕 1 11.-種製造錯石塊的方法,該方法包含底下步驟: 2 ,財包含膠質 201008894 ⑴提供翅捕合_石纟轉対欲接合的表面. •請專利範圍M〇中的任何-種銲接材料塗覆到 . 欲接合之多個锆石組件的表面;以及 Uii)將此介面加熱到至少15〇〇。〇的溫声。 12. 依據申請專利範圍第1!項之製造錯^鬼方法,其中在步 . 驟(1)中所提供之錄石組件具有互鎖接頭。 13. 依據巾請補細第12項之製石塊方法其中鮮接 Q 材料在步驟(U)之前預先塗覆至接頭之表面上。 14. 依射請專利範圍第U至13項之任何—項製造錯石塊 方法’其巾在步驟⑴巾所提供之至少—舰聽件並未在 溫度高於l_t:下進域理,或所祕石組件縣在溫度 高於1500°C下進行處理。 又 15. 依據申請專利範圍第U至13項之任何一項製造結石塊 方法,其中在步驟⑴中所提供之至少—健石組件在步驟 (ii)之前在溫度高於議。(:下已贱純,或所有錯 ❺雜件在步驟(ii)之前在溫度高於15Q(rc下已預先加以燒 結。 16·依據申請專利範圍㈣至13項之任何一項製造錯石塊 . 方法,其中在至少部份步驟(出)過程中,錯石組件施以壓 4 縮。 Π.依射請專利範圍第11至13項之任何—項製造錯石塊 方法,其中在録接界面處為溢滿的。
TW098114708A 2008-05-02 2009-05-02 焊接鋯石塊之材料及方法 TWI531553B (zh)

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