臺灣博碩士論文加值系統

為增強不銹鋼表面之耐蝕、強度及耐磨耗，使不銹鋼能應用於醫學儀器、用具上，本研究是針對不銹鋼表面做鍍膜的改質，再以聚合物錯合溶液法製備摻雜氧化鈰的氧化鋯(ZrO2)前驅溶液，並以浸鍍法將此前驅溶液披覆於304不銹鋼基材上，乾燥後形成薄膜。為增加氧化鋯薄膜與基材的附著力，本研究在披覆氧化鋯鋯薄膜之前是先藉由電化學陽極處理法在不銹鋼表面形成一成長積層(Graded Integration Layer, GIL)的氧化物。
氧化鋯薄膜的微觀結構（相、形態和定量的原子組成）是利用多功能薄膜X射線繞射儀、掃描電子顯微鏡分析、電子能譜化學分析及紅外光光譜儀分析之。氧化鋯薄膜的耐蝕性質是以動電位極化曲線分析之；薄膜與基材的附著力是以刮痕測試分析之。
經低溫熱處理至300℃所形成的氧化鋯薄膜為非結晶相，並且是由聚乙稀醇(PVA)與鋯離子的錯合物所組成。試片經鍍上氧化鋯薄膜後會降低其粗糙度；不銹鋼經陽極處理後再浸鍍披覆氧化鋯薄膜的試片其粗糙度會大於未陽極處理者。經由刮痕測試分析結果可看出透過陽極處理在不銹鋼表面生成之成長積層確實可增加基材與薄膜的附著力。
在耐蝕性方面，由動電位極化曲線結果顯示，不銹鋼上鍍一層氧化鋯薄膜確實可增加其腐蝕電位及提升耐蝕性；不銹鋼經陽極處理過後再披覆氧化鋯薄膜雖會降低其腐蝕電位，代表腐蝕現象提早發生，但會提升其崩解電位，而增進其耐蝕性。

For using the stainless steel as medical instruments and applications, we have to enhance the properties of stainless steel: corrosion resistance, strength and wear resistance. This study is aimed at the modification of the coating for the stainless steel surface. Doping ceria in zirconia (ZrO2) precursor solution was prepared by polymer complex solution method, and coating this precursor solution on 304 stainless steel substrate to form thin film. In order to increase the adhesion of the film and substrate. First of all, this study using electrochemical anodic treatment on the stainless steel surface to form the Graded Integration Layer (GIL).
Microstructures of ZrO2 thin film (phase, morphology and quantitative atomic composition) were investigated by the multipurpose X-ray thin film diffractometer, scanning electron microscopy, electron spectroscopy for chemical analysis, and infrared spectrometers. The corrosion resistance of ZrO2 thin film were analyzed by Potentiodynamic polarization curves, and the adhesion of ZrO2 thin film were analyzed by scratch test.
The findings show that the zirconia thin film heat treated to 300 ℃was amorphous, and the zirconia thin film was composed by the polyethylene alcohol (PVA) with the zirconium ion complexes. Stainless steel specimens coated with zirconia thin film will reduce its roughness, and the roughness of the anodized stainless steel specimens would be greater than the untreated stainless steel specimens. Through the scratch test result, the graded Integration layer of anodized stainless steel indeed increase the adhesion of substrate and thin film .
In terms of corrosion resistance ,the potentiodynamic polarization curves show the stainless steel coated with zirconia thin film indeed increase the corrosion potential and corrosion resistance improvement. However, for the anodized stainless steel coated with zirconia thin film will decrease its corrosion potential, but increase the break down potential and enhance corrosion resistance.

摘要 I
Abstract II
誌謝 IV
目錄 VI
表目錄 IX
圖目錄 X
第一章 緒論 1
1-1前言 1
1-2研究目的 2
第二章 相關文獻回顧與整理 3
2-1 氧化鋯的晶體結構與性質介紹 3
2-2溶膠-凝膠法之製程 8
2-2-1 聚合物錯合法In-situ polymerizable complex (IPC) 11
2-2-2 聚合物錯合溶液法Polymer-complex solution (PCS)之製程 14
2-3 前驅溶液鍍覆於基材上之方式 17
2-3-1 浸鍍法之原理 17
2-3-2凝膠膜之熱處理 22
2-4氧化鋯薄膜之製備技術 23
2-5 刮痕測試與薄膜附著力 27
2-6 不銹鋼之成長積層Growing Integration Layer( GIL ) 29
第三章 實驗方法與步驟 32
3-1前驅溶液原料及基板 32
3-1-1 試片前處理 32
3-1-2 試片陽極處理 33
3-2 實驗流程 34
3-2-1實驗流程圖 34
3-2-2氧化鋯前驅溶液的製備 35
3-2-3 氧化鋯薄膜成長及熱處理條件 35
3-3氧化鋯前驅溶液性質之量測 36
3-3-1黏度量測 36
3-3-2熱重/ 熱差分析 36
3-4薄膜性質之量測 36
3-4-1薄膜厚度之量測 36
3-4-2結晶相鑑定 37
3-4-3微觀結構觀察 37
3-4-4化學鍵結分析 37
3-4-5紅外光穿透率量測 38
3-4-6電化學動電位極化測試 38
3-4-7刮痕測試 40
第四章 結果與討論 42
4-1氧化鋯前驅溶液之性質 42
4-1-1 氧化鋯前驅溶液黏度之測試 42
4-1-2 氧化鋯前驅粉末的熱差-質差分析 44
4-2 氧化鋯薄膜的厚度 48
4-3氧化鋯薄膜性質分析 50
4-3-1氧化鋯薄膜之結晶相鍵定 50
4-3-2氧化鋯薄膜之微觀結構分析 53
4-3-3氧化鋯薄膜之化學鍵結分析 68
4-3-4氧化鋯薄膜之紅外光譜分析 73
4-3-5氧化鋯薄膜之電化學動電位極化測試 76
4-3-6氧化鋯薄膜之刮痕測試 88
第五章 結論 93
參考文獻 95
附錄 A 101
附錄 B 103

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