| 研究生: |
楊士德 Yang, Shih-Te |
|---|---|
| 論文名稱: |
熱處理對鑄造合金Ti-7.5Mo機械性質的影響 Effect of heat treatment on mechanical properties of cast Ti-7.5Mo alloy |
| 指導教授: |
陳瑾惠
Chern Lin, Jiin-Huey |
| 共同指導教授: |
朱建平
Ju, Chien-Ping |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 材料科學及工程學系 Department of Materials Science and Engineering |
| 論文出版年: | 2010 |
| 畢業學年度: | 98 |
| 語文別: | 中文 |
| 論文頁數: | 91 |
| 中文關鍵詞: | 鈦 、鉬 、熱處理 |
| 外文關鍵詞: | titanium, molybdenum, thermo-treatment |
| 相關次數: | 點閱:84 下載:1 |
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本實驗探討不同熱處理對鑄造合金Ti-7.5Mo所造成的性質影響。本實驗將分為兩部分討論,一方面固定時效溫度,改變時效溫度;另一方面固定時效時間,改變時效溫度。時效溫度的選取有T1℃、T2℃、T3℃,時效時間為t1、t2、t3、t4,固定時效方面固定時間為t2,改變時效溫度分別為T1℃、T4℃、T2℃、T5℃、T3℃和T6℃。實驗結果以時效時間T2℃、時效時間t2可以得到最佳的機械性質,降伏強度927MPa和延12%。
對生醫植入材而言,為了避免應力遮蔽效應,低彈性模數是被要求的,本實驗得到最低彈性模數為直接鑄造;彈性模數為86GPa,而最高彈性模數為鑄造後直接時效,時效條件為溫度T1℃、時間t6,其值可達到132GPa,中間差距為46GPa,差距變化為最低彈性模數的約53.5%。
The effect of heat treatment on the properties of as-cast alloy Ti-7.5Mo discussed in this study. Two sets of experiment were carried out in terms of aging temperature and aging time. First, three aging temperatures(T1℃、T2℃、T3℃)were tested , each with four aging times(t1、t2、t3、t4). Second, an aging time of 30mins was tested with 6 aging temperatures(T1℃、T4℃、T2℃、T5℃、T3℃、T6℃).It was found that the condition of aging temperature at T2℃ for t2 gave the best mechanical properties with yielding strength 927MPa and elongation 12%.
For bio-implant applications, low modulus is desirable for avoiding stress shielding effect, in this study, the as-cast Ti-7.5Mo alloy has the lowest modulus than other heat treatment condition, which value is 86GPa, and aging temperature at T1℃ for t6 has the highest one, the value is 132GPa, the difference of the value is 53.5% of the lowest one.
A書籍:
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B論文期刊:
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2. 簡嘉毅,鈦-鉬合金熱處理後拉伸疲勞性質研究,成功大學材料工程研究所碩士論文,2005.
3. 林群堡,熱處理對鈦-鉬合金機械性質的影響,成功大學材料工程研究所碩士論文,2006.
4. 蔡天成,鉍的添加對Ti-15Mo合金性質的影響,成功大學材料工程研究所碩士論文,2007.
5. 蔡翔威,鈦-鉬合金在漢克溶液中的腐蝕疲勞行為研究,成功大學材料工程研究所碩士論文,2007.
6. 林士哲,熱機處理對鈦-鉬合金機械性質的影響,成功大學材料工程研究所碩士論文,2009.
7. 林家緯,鑄造鈦-鉬合金疲勞性質研究,成功大學材料工程研究所博士論文,2005.
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C網頁資料及其他:
1. 鈦材料熱處理http://baike.sososteel.com/doc/view/44833.html
校內:2020-12-31公開