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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 林俊彬 | |
dc.contributor.author | Ya-Ting Wang | en |
dc.contributor.author | 王亞婷 | zh_TW |
dc.date.accessioned | 2021-06-12T18:21:03Z | - |
dc.date.available | 2014-10-05 | |
dc.date.copyright | 2011-10-05 | |
dc.date.issued | 2011 | |
dc.date.submitted | 2011-08-08 | |
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/27796 | - |
dc.description.abstract | 本研究從臨床的角度出發,希望針對台灣市面上盛行316L不銹鋼矯正骨釘的較高失敗率做改善,即主要的研究目的在不改變316L不銹鋼本質的前提下進行表面改質,期待能與周圍骨頭有產生骨整合的可能。實驗分為兩個部份:第一部分我們藉由文獻回顧和廠商的技術提供,大致了解物理氣相沉積法和溶膠凝膠法在不銹鋼骨釘上鍍鈦和二氧化鈦的優、缺點與技術難度,從中選擇不易改變金屬本質的物理氣相沉積法做進一步研究。
實驗第二部分採用物理氣相沉積法中的電子束蒸鍍技術,在316L不銹鋼板上鍍鈦或二氧化鈦,利用電子顯微鏡和原子力顯微鏡做觀察,研究結果顯示:試片表面具有明顯的奧氏體晶粒與晶界,表面粗糙度為 61±14.3 nm,薄膜順著試片的表面粗糙度做沉積,卻不一定能完全填滿晶界造成的溝槽,與基板間也非完全緊貼,當受到切割與拋光處理,有部分膜層因受力而剝落。但此技術所產生的晶粒可以小至15nm,相同蒸鍍源下,蒸鍍速率越大,晶粒大小越大,表面粗糙度也越大,而本實驗亦證實鍍膜後並未改變不銹鋼試片的表面粗糙度。 | zh_TW |
dc.description.abstract | 316L stainless steel orthodontic miniscrews were quite popular in clinical orthodontics, especially in Taiwan. However, the success rate was not good as titanium alloy. We try to improve it by making osseointergration happened. In other words, our research goal was to do some surface modification of 316L stainless steel without changing its properties. The study was divided into two parts:
Part I: we learned the pros and cons of physical vapor deposition(PVD)and sol-gel method from literature review. Ti or TiO2 were coated on 316L stainless steel orthodontic miniscrews either by PVD or sol-gel method, which was supported by manufactory. After analyzing these products, we chose PVD for further investigation because of minimum or no change of the substrate. Part II:Ti or TiO2 thin films were coated on 316L stainless steel sheet by electron beam evaporation. Then, we used FE-SEM(Field Emission Scanning Electron Microscope) and atomic force microscope(AFM)for analysis. It was found that specimen had austenite grains and grain boundary. The surface roughness was 61 ± 14.3 nm. Thin films attached on the rough surface, but the grooves caused by grain boundary were not filled in completely. There were also some gap between thin film and substrate. After being cut and polished, some film peeled off. However, grains produced by this technique could be small as 15 nm. With the same evaporation source, the higher deposition rate made the grain size larger. The surface roughness was greater, too. Furthermore, we also confirmed that no change in the surface roughness after coating. | en |
dc.description.provenance | Made available in DSpace on 2021-06-12T18:21:03Z (GMT). No. of bitstreams: 1 ntu-100-P97422003-1.pdf: 5463826 bytes, checksum: 23ca16885ba5919ae47c29dc0b7ec183 (MD5) Previous issue date: 2011 | en |
dc.description.tableofcontents | 口試委員會審定書……………………………………………………I
誌謝……………………………………………………………………II 中文摘要………………………………………………………………III Abstract………………………………………………………………IV 目錄……………………………………………………………………VI 表目錄…………………………………………………………………VIII 圖目錄…………………………………………………………………IX 第一章 緒論…………………………………………………………1 第二章 文獻回顧..……………………………………………………5 2.1 不銹鋼的表面處理…5 2.1.1羟基磷灰石(Hydroxyapatite,HA) …5 2.1.2 鈦(Titanium,Ti) …6 2.1.3 二氧化鈦(Titanium Dioxide,Titania,TiO2) …7 2.1.4 總結 …10 2.2 表面處理的方法…10 2.2.1 物理氣相沉積法(Physical vapor deposition,PVD)…10 2.2.2 溶膠凝膠法(Sol-Gel Method) …12 第三章 材料與方法……………………………………………………13 3.1研究材料…13 3.2實驗儀器與設定…13 3.3實驗架構 …16 第四章 結果與討論…………………………………………………17 4.1 不銹鋼骨釘表面處理…17 4.2 不銹鋼試片表面處理21 第五章 結論與未來方向 ……………………………………………28 附表……………………………………………………………………30 附圖……………………………………………………………………34 參考文獻 ……………………………………………………………53 | |
dc.language.iso | zh-TW | |
dc.title | 矯正用不銹鋼迷你骨釘之表面處理 | zh_TW |
dc.title | Surface treatment of 316L stainless steel orthodontic miniscrew | en |
dc.type | Thesis | |
dc.date.schoolyear | 99-2 | |
dc.description.degree | 碩士 | |
dc.contributor.coadvisor | 陳兆勛,陳羿貞 | |
dc.contributor.oralexamcommittee | 陳文斌 | |
dc.subject.keyword | 316L不銹鋼矯正骨釘,表面改質,電子束蒸鍍,鈦,二氧化鈦, | zh_TW |
dc.subject.keyword | 316L stainless steel orthodontic miniscrews,surface modification,electron beam evaporation,titanium,titanium dioxide, | en |
dc.relation.page | 58 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2011-08-08 | |
dc.contributor.author-college | 牙醫專業學院 | zh_TW |
dc.contributor.author-dept | 臨床牙醫學研究所 | zh_TW |
顯示於系所單位: | 臨床牙醫學研究所 |
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