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  5. 五軸數位齒雕機對生醫氧化鋯牙冠之切削特性評估
 
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五軸數位齒雕機對生醫氧化鋯牙冠之切削特性評估

Other Title
Evaluation of machinability on the biomedical zirconia crown
by a five-axis CNC denture engraving machine
Type
thesis
Date Issued
2014-12-24
Author(s)
程冠中
Advisor
施永勳
Subjects
系所名稱:醫療器材產業碩士專班
Description
學位別:碩士
語文別:英文
指導教授:施永勳
共同指導教授:
口試委員:彭珮雯;歐士輔
中文關鍵字:生醫氧化鋯;顯微結構;牙冠;切削性
英文關鍵字:Biomedical zirconia;Microstructure;Dental crown;Machinability
Abstract
本研究主要藉由電子顯微鏡、X光繞射儀、硬度測試、接觸角測試與拉曼光譜儀等分析儀器,針對五軸數位齒雕機對生醫氧化鋯牙冠之切削特性進行評估研究。分析研究結果顯示;約100 μm大小之類層狀切屑被觀察到經由連續切削30顆氧化鋯牙冠後。此外,一些明顯的切屑亦會開始貼附殘留於車針表面在連續切削20顆氧化鋯牙冠後,而較大顆的切屑則會在切削70顆氧化鋯牙冠後之車針表面形成。當切削氧化鋯牙冠從10顆至70顆時,氧化鋯牙冠表面形貌沒有太大變化。而表面粗糙度則會隨著切削量的增加而增加。X光繞射儀分析指出切削後之氧化鋯牙冠表面結構為單一?悇菕A無其他析出物可被偵測到於切屑中。當切削氧化鋯牙冠從10顆至70顆時,表面硬度亦隨之增加。切削後之氧化鋯牙冠表面呈現高疏水性特徵。
URI
https://203.71.86.71/handle/123456789/57286

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