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  5. 三元磁性合金於活動義齒之應用:顯微結構特徵、機械性質與潤濕性評估
 
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三元磁性合金於活動義齒之應用:顯微結構特徵、機械性質與潤濕性評估

Other Title
Ternary magnetic alloy for removable denture applications: microstructural characteristics, mechanical properties and wettability evaluation
Type
thesis
Date Issued
2014-12-23
Author(s)
洪意婷
Advisor
黃茂栓
Subjects
系所名稱:醫療器材產業碩士專班
Description
學位別:碩士
語文別:中文
指導教授:黃茂栓
共同指導教授:
口試委員:歐耿良;陳順隆
中文關鍵字:釹鐵硼合金;顯微結構;機械性質;潤濕性;活動義齒
英文關鍵字:Nd-Fe-B alloy;Microstructure;Mechanical property;Wettability;Removable dentures
Abstract
本研究主要係藉由光學顯微鏡、掃描式電子顯微鏡、原子力顯微鏡、X光繞射儀、硬度試驗與接觸角測試等儀器進行釹鐵硼磁性合金經1100°C燒結過後之顯微結構、機械特性與親疏水性之關係性分析。實驗結果顯示;燒結後合金之結構轉變成緻密性結構,孔洞大小約為10 μm ~20 μm。而燒結後之表面粗糙度於5 × 5 μm2與2 × 2 μm2面積下各別約為65 nm與25 nm,且其結構為(α-Fe + Nd2Fe14B)雙相結構。此外,燒結過後釹鐵硼合金之硬度值較未燒結前之釹鐵硼合金高,其燒結前後之硬度值各別為Hv 280與Hv 365。而燒結過後釹鐵硼合金之接觸角度較未燒結前之釹鐵硼合金小,其燒結前後之角度值各別為83°與78°,燒結前後釹鐵硼合金皆屬於親水性表面特徵。因此,這些結果特徵有助於進一步了解其合金之顯微結構與磁性變化之關係,可提供牙科醫療器材產業之應用。
URI
https://203.71.86.71/handle/123456789/57281

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