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題 名 | 生醫用AZ31鎂合金在0.9wt.%生理食鹽水中的降解腐蝕行為=Degradable Behavior of Medical AZ31 Magnesium Alloy in 0.9wt.% NaCl Solution |
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作 者 | 鄭得賢; 馮立平; 吳弘毅; 曹龍泉; | 書刊名 | 鑄造工程學刊 |
卷 期 | 39:2=157 2013.06[民102.06] |
頁 次 | 頁11-18 |
分類號 | 472.71 |
關鍵詞 | 生醫材料; 鎂合金; 熱處理; 降解; 腐蝕; Biomaterials; Magnesium alloys; Heat treatment; Degradation; Corrosion; |
語 文 | 中文(Chinese) |
中文摘要 | 鎂及鎂合金具有優異的生物相容性及可降解性能的特性。近年來,可降解鎂合金廣泛的受到重視。本研究是以原材(AZ31-AS)、固溶處理(AZ31-SS)和析出處理(AZ31-CP)的條件進行AZ31鎂合金的改質,並在0.9wt.%NaCl生理食鹽水中進行開路電位和動態極化曲線的腐蝕行為研究。結果顯示:AZ31-SS試片平均降解速率遠低於AZ31-AS及AZ31-CP試片。另外,經過動態極化曲線量測後,AZ31-SS試片呈現均勻腐蝕方式;而AZ31-AS及AZ31-CP試片腐蝕表面呈現孔蝕現象。 |
英文摘要 | Magnesium and its alloys are potential biodegradable materials for their outstanding biological performance. In recent year, much attention has been paid on biodegradable magnesium alloys. The corrosion behavior of AZ31 magnesium alloy was investigated using in as-received (AZ31-AS), solid solution (AZ31-SS) and precipitation treated (AZ31-CP) conditions in 0.9wt.% NaCl solution by open-circuit potential and potentiodynamic polarization tests. The results show that the average degradable rate of AZ31-SS sample is lower than that of both AZ31-AS and AZ31-CP samples. In addition, the surface of AZ31-SS sample after dynamic polarization test is smooth, while the surface of both AZ31-AS and AZ31-CP samples show pitting. |
本系統中英文摘要資訊取自各篇刊載內容。