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研究生:張勛翔
研究生(外文):Hsun-Hsiang Chang
論文名稱:利用火花電漿燒結製程製備高熵合金粉末強化鎂基複合材料之機械性質研究
論文名稱(外文):Study on Mechanical Properties of High Entropy Alloy Particle Reinforced Magnesium-based Composites Prepared by Spark Plasma Sintering
指導教授:丘群
指導教授(外文):Chun Chiu
口試委員:陳士勛雷添壽
口試日期:2020-07-16
學位類別:碩士
校院名稱:國立臺灣科技大學
系所名稱:機械工程系
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2020
畢業學年度:108
語文別:中文
論文頁數:132
中文關鍵詞:AZ91鎂合金高熵合金火花電漿燒結機械性質
外文關鍵詞:AZ91 magnesium alloyhigh entropy alloyspark plasma sinteringmechanical properties
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  • 被引用被引用:1
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摘要 I
Abstract II
誌謝 III
目錄 IV
圖目錄 VIII
表目錄 XII
第一章 前言 1
第二章 文獻回顧 4
2.1 鎂與鎂合金簡介 4
2.1.1 鎂的介紹 4
2.1.2 鎂合金的介紹 4
2.1.3 元素添加對鎂合金之影響 5
2.1.4 鎂合金的命名方法 8
2.2 材料的強化機制 10
2.2.1 細晶粒尺寸強化 ( Grain refinement ) 10
2.2.2 固溶強化 ( Solid solution strengthening ) 12
2.2.3 散佈強化 ( Dispersion strengthening ) 12
2.2.4 析出硬化 ( Precipitation hardening ) 14
2.2.5 應變硬化 ( Strain hardening ) 14
2.2.6 熱膨脹係數差異影響 15
2.2.7 荷載傳遞效應 15
2.3 鎂基金屬複合材料 17
2.3.1 鎂基金屬複合材料簡介 17
2.3.2 摻雜 SiC 之鎂基金屬複合材料 18
2.3.3 摻雜 Al2O3 之鎂基金屬複合材料 21
2.3.4 摻雜 TiC 之鎂基金屬複合材料 24
2.3.5 摻雜金屬玻璃之鎂基金屬複合材料 25
2.4 複合材料的製備 26
2.4.1 鑄造 ( Casting ) 26
2.4.2 粉末冶金 ( Powder metallurgy ) 26
2.5 高熵合金簡介 32
2.5.1 高熵合金的四種效應 32
2.5.2 AlxCoCrFeNi 高熵合金簡介 33
2.6 研究動機 36
第三章 實驗方法 37
3.1 實驗流程 37
3.2 實驗材料 39
3.3 熱壓成型 41
3.4 火花電漿燒結 42
3.5 分析儀器 43
3.5.1 光學顯微鏡 43
3.5.2 X光繞射儀 44
3.5.3 高解析度場發射掃描式電子顯微鏡 47
3.5.4 微小維克式硬度計 48
3.5.5 奈米壓痕機械性質分析儀 49
3.5.6 落地式動態材料試驗機 50
第四章 結果與討論 51
4.1 原始材料分析 51
4.1.1 AZ91D 粉末 51
4.1.2 Al0.5CoCrFeNi2 高熵合金粉末 56
4.1.3 SiC 陶瓷粉末 60
4.2 熱壓法燒結錠 63
4.2.1 微觀結構分析 63
4.2.2 相分析 77
4.2.3 孔隙率分析 80
4.2.4 硬度分析 82
4.2.5 壓縮試驗分析 83
4.3 SPS 燒結錠 84
4.3.1 微觀結構分析 84
4.3.2 相分析 95
4.3.3 孔隙率分析 98
4.3.4 硬度分析 100
4.3.5 壓縮試驗分析 101
4.4 討論 102
第五章 結論 107
參考文獻 108
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