中山醫學大學機構典藏 CSMUIR:Item 310902500/3726
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    题名: 氧化鋯披覆蠟型併用磷酸鹽系包埋材之鈦鑄造物的表面性質
    Surface Property of Titanium Casting Using Phosphate-bonded Investment with Zirconia Coating on Wax Pattern
    作者: 楊春全;高嘉澤;燕敏
    Chun-Chuan Yang;Chia-Tze Kao;Min Yan
    贡献者: 中山醫學大學
    关键词: 鈦;氧化鋯;牙科鑄造
    Titanium;Zirconia;Dental casting
    日期: 2011-03-01
    上传时间: 2011-05-06T07:31:57Z (UTC)
    出版者: 教務處出版組
    摘要: Purpose: In this study, the zirconia coating technique was applied to analyze surface properties of titanium castings.
    Methods: The mixed slurry of zirconia powder and commercial phosphate liquid Begosol(superscript ?) (100% and 50%) was coated on the wax pattern respectively, and the commercial phosphate-bonded investment material was invested using a double-investing method. The commercial MgO investment material with traditional investing method was as control. Then, the commercial pure titanium alloy was used for casting. The surface roughness and Vicker's hardness test were performed on the titanium castings, and the surface microstructure of titanium castings were observed and analyzed by optical microscope.
    Results: The surface roughness (Ra) of titanium castings obtained from experimental group and control group were 0.16~2.02 μm and 0.22~1.37 μm respectively. There is no significant difference between experimental group and control group. The thickness of titanium surface reactive layer was about 150 μm.
    Conclusion: The zirconia coating technique used in this study can be applied to cast titanium alloy.
    目的：本研究使用氧化鋯披覆技術以探討鈦鑄造物的表面性質。
    方法：本實驗使用氧化鋯粉末與專用磷酸液體Begosol(上標 ?)（100%及50%）配成泥狀物分別披覆於蠟型表面，再使用市售磷酸鹽系包埋材以二次包埋法進行包埋，使用市售氧化鎂包埋材配合傳統包埋法作為對照組，然後以市售純鈦金屬進行鑄造；測量鈦鑄造物表面粗糙度和維氏硬度，並利用光學顯微鏡觀察及分析鈦鑄造物表面的微細結構。
    結果：實驗組之鈦鑄造物表面粗度值(Ra)為0.16~2.02μm，對照組結果為0.22~1.37μm，二者間沒有顯著的差異且鈦鑄造物的表面反應層厚度皆約為150μm。
    結論：本研究所使用的氧化鋯披覆技術具有鑄造鈦金屬之可行性。
    URI: https://ir.csmu.edu.tw:8080/handle/310902500/3726
    關聯: 中山醫學雜誌 22:1 民100.03 頁53 -60
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