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研究生:葉志賢
研究生(外文):Chin-Hsien Yeh
論文名稱:無鉛低熔點SnO-MgO-P2O5玻璃
論文名稱(外文):Lead-Free, Low Melting SnO-MgO-P2O5 Glasses
指導教授:徐錦志
指導教授(外文):Jiin-Jyh Shyu
學位類別:碩士
校院名稱:大同大學
系所名稱:材料工程學系(所)
學門:工程學門
學類:綜合工程學類
論文種類:學術論文
論文出版年:2004
畢業學年度:93
語文別:英文
論文頁數:56
中文關鍵詞:磷酸鹽玻璃封合/封裝玻璃
外文關鍵詞:Phosphate glassesSolder and Sealing glasses
相關次數:
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本論文主要之研究目的為開發新型無鉛低熔點SnO-MgO-P2O5玻璃,取代含有毒性元素之鉛系低熔點封合/封裝玻璃。玻璃之熔製方法為使用試藥級粉末並外加含碳化合物粉末來維持還原氣氛,直接置於通有氮氣氛的高溫爐中以950~1200℃熔融10-30min,在銅板上淬火,置於300℃持溫退火1~3h。發現加入含碳化合物及氮氣氛下熔融有助於防止Sn2+氧化為Sn4+,並找到玻璃形成範圍。玻璃呈透明無色,但P2O5≧35 mol%成分有均勻的微小氣泡產生。隨MgO及P2O5含量上升,熔融溫度有上升之趨勢,研究中詳細探討了各玻璃成分對玻璃性質與玻璃形成之影響。
本系統之膨脹儀軟化點溫度(Tds)為290~420℃;玻璃轉移溫度(Tg)為270~400℃;熱膨脹係數(CTE)為110~160×10-7/℃。固定P2O5含量下,SnO/(SnO+MgO)比下降,玻璃熔融溫度、玻璃轉移溫度及熱膨脹儀軟化溫度上升,熱膨脹係數下降;基本上耐蝕性先上升後下降。
發現本系統之膨脹儀軟化溫度與部份成份之化學耐蝕性均較優於商用PbO-ZnO-B2O3 frit,值得繼續研究。
The main objective of this thesis is to develop lead-free, low melting SnO-MgO-P2O5 glasses as an alternative to toxicity PbO-based soldering and sealing glass frits for low-temperature sealing applications. The glasses were melted in alumina crucibles for 10-30 min at 950-1200�aC. To maintain a reducing atmosphere during melting, addition of carbonaceous additive and N2 atmosphere is necessary. The melts were poured onto a Cu plate, and then annealed at 300�aC for 1-3 h. The glass formation region was examined in this study. The glasses are colorless. Glasses with a P2O5 content �d 35 mole% contained small bubbles. The increase in the MgO and P2O5 contents increased the melting temperature.
The glasses have dilatomeric softening temperature (Tds) of 290-420�aC, glass transition temperature (Tg) of 270-400�aC, and thermal expansion coefficient (CTE) of 110-160 ×10-7 K-1. For the glasses with a constant P2O5 content, the decrease in the SnO/(SnO+MgO) ratio increased the glass melting temperature, Tg, and Tds, while decreases CTE. Moreover, in general, the chemical durability first increased then reduced.
The dilatometric softening temperature and chemical durability of several glasses in the SnO-MgO-P2O5 system are better than the commercial PbO-ZnO-B2O3 frit.
英文摘要………………………………………………I
中文摘要 ……………………………………………II
致謝…………………………………………………III
目錄…………………………………………………IV
圖目錄………………………………………………VI
表目錄……………………………………………VIII
章節
一、 前言---------------------------------------------------------------------- 1
二、 文獻回顧 --------------------------------------------------------------- 2
2.1磷酸鹽系玻璃---------------------------- -----------------------------2
2.2封合玻璃---------------------------------- ----------------------------3
2.3 SnO-ZnO-P2O5 glass -------------------------------------------------5
2.4 MgO-P2O5 glass-------------------------------------------------------5
2.5 SnO-SnCl2-P2O5 glass------------------------------------------------6
三、 實驗方法---------------------------------------------------------------- 8
3.1塊材玻璃製程----------------------------------------------------------8
3.2性質分析與量測-------------------------------------------------------8
3.2.1感應偶合電漿原子發射光分析儀-------------------------------8
3.2.2熱機械分析------------------------------------------------------------9
3.2.3化學耐蝕性分析----------------------------------------------------10
3.3結構分析-------------------------------------------------------------------10
3.3.1 FTIR光譜分析------------------------------------------------------10
四、 實驗結果---------------------------------------------------------------13
4.1 玻璃形成範圍-------------------------------------------------------- 13
4.2 玻璃成分分析 (ICP分析)----------------------------------------14
4.3玻璃轉移溫度, 膨脹儀軟化溫度, 熱膨脹係數 (熱機械性質分析)----------------------------------------------------------------- 14
4.4化學耐蝕性分析---------------------------------------------------- 14
4.5 FTIR光譜分析------------------------------------------------------ 17
五、 討論--------------------------------------------------------------------- 41
5.1玻璃形成------------------------------------------------------------- 41
5.2熱機械性質---------------------------------------------------------- 41
5.3化學耐蝕性---------------------------------------------------------- 42
5.4 FTIR光譜分析------------------------------------------------------43
六、 結論---------------------------------------------------------------------45
參考資料-------------------------------------------------------------------------46
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