研究生: |
陳永霖 Yong-Lin Chen |
---|---|
論文名稱: |
不同碳材添加物對經高能球磨 (HEBM) 或等徑轉角擠壓 (ECAP) 之AZ31鎂合金儲氫性能之影響 Effect of Different Carbon Additives on Hydrogen Storage Properties of AZ31 Magnesium Alloy by High Energy Ball Milling (HEBM) or Equal Channel Angular Pressing (ECAP) |
指導教授: |
黃崧任
Song-Jeng Huang |
口試委員: |
王金燦
Chin-Tsan Wang 林景崎 Jing-Chie Lin 丘群 Chun Chiu |
學位類別: |
碩士 Master |
系所名稱: |
工程學院 - 機械工程系 Department of Mechanical Engineering |
論文出版年: | 2018 |
畢業學年度: | 106 |
語文別: | 中文 |
論文頁數: | 118 |
中文關鍵詞: | 儲氫 、等徑轉角擠壓 (ECAP) 、高能球磨 (HEBM) 、AZ31鎂合金 、活性碳 (AC) 、碳黑 (CB) 、石墨烯 (G) 、AZ31鎂基複合材料 (AZ31 MMCs) |
外文關鍵詞: | hydrogen storage, equal channel angular pressing (ECAP), high energy ball milling (HEBM), AZ31 magnesium alloy, activated carbon (AC), carbon black (CB), grapheme (G), AZ31 metal matrix composites (AZ31 MMCs) |
相關次數: | 點閱:586 下載:1 |
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本研究探討添加物對AZ31鎂合金儲氫性能之影響,選用活性碳 (Activated Carbon, AC)、碳黑 (Carbon Black, CB)、石墨烯 (Graphene, G) 不同重量百分比 (0wt.%、1wt.%、3wt.%) 作為催化劑,探討不同碳材添加物及其含量對儲氫性能之影響。此外,本研究亦探討不同製程對儲氫性能之影響,使用相同製程時間為比較基準,先利用鑄造製備不同碳材添加物之AZ31鎂基複合材料,再分別經高能球磨 (High Energy Ball Milling, HEBM) 或等徑轉角擠壓 (Equal channel angular pressing, ECAP) 兩種不同製程加工,最後進行吸放氫之量測。
研究結果顯示,經HEBM製程後,添加碳材有效提升AZ31鎂合金之儲氫性能,儲氫性能之提升由大至小為添加石墨烯、碳黑、活性碳;而經ECAP製程後,僅添加活性碳或碳黑有效的提升AZ31鎂合金之儲氫性能,添加石墨烯反而造成儲氫性能下降,儲氫性能之提升由大至小為添加碳黑、活性碳。經HEBM或ECAP製程之比較中,未添加碳材之AZ31鎂合金經ECAP製程有較好之儲氫性能;而添加碳材之AZ31鎂基複合材料經HEBM製程有較好之儲氫性能。
This study investigates the effect of additives on the hydrogen storage properties of AZ31 magnesium alloys. Activated carbon (AC), carbon black (CB), graphene (G) were used as catalysts in different weight percentages (0wt.%, 1wt.%, 3wt.%). Discuss the effect of different carbon additives and their content on the hydrogen storage performance. In addition, this study also explored the effect of different processes on hydrogen storage performance. Use the same process time as a benchmark for comparison. Firstly, the AZ31 magnesium matrix composites with different carbon additives were prepared by casting, and then processed by high energy ball milling (HEBM) or equal channel angular pressing (ECAP). Finally, the measurement of hydrogen absorption and desorption is performed.
The results show that after the HEBM process, adding carbon material can effectively improve the hydrogen storage performance of AZ31 magnesium alloys. The increase in hydrogen storage performance from large to small additions of graphene, carbon black and activated carbon. After the ECAP process, only added activated carbon or carbon black can effectively improve the hydrogen storage performance of AZ31 magnesium alloys. The addition of graphene will result in a decrease in hydrogen storage performance. The increase in hydrogen storage performance from large to small addition of carbon black and activated carbon. Compared with the HEBM or ECAP process, the AZ31 magnesium alloy without added carbon has better hydrogen storage performance through the ECAP process, while the AZ31 magnesium matrix composite with carbon added has better hydrogen storage performance through the HEBM process.
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