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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 吳錫侃 | |
dc.contributor.author | Chun-Shien Huang | en |
dc.contributor.author | 黃春憲 | zh_TW |
dc.date.accessioned | 2021-06-08T05:29:57Z | - |
dc.date.copyright | 2005-07-11 | |
dc.date.issued | 2005 | |
dc.date.submitted | 2005-07-05 | |
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/24536 | - |
dc.description.abstract | 本研究利用紅外線快速加熱的特性,研究Ag-Cu-Ti-Zr活性硬銲填料與99.5wt.% Al2O3與95wt.% Al2O3基材間的動態潤濕角以及顯微組織之變化。實驗結果得知Ag-Cu-6Ti-6Zr(wt.%)的填料比Ag-Cu-1.5Ti-1.5Zr(wt.%)者有較佳的潤濕性,此因後者易於氧化鋁表面產生Zr的氧化物。利用Ambrose所提出的預測方程式,並將特性時間τ取一適當的修正係數R,即為τ×R,實驗結果得知潤濕接觸角與時間之變化關係再現性優良。由界面顯微組織之觀察可知,Ag-Cu-6Ti-6Zr與Al2O3界面處形成Ti3.3Cu2.7O反應層,Ag-Cu-1.5Ti-1.5Zr與Al2O3界面處則形成ZrO2反應層。本研究並利用銀基填料BAg-8來硬銲接合Ti-6Al-4V與17-4PH不鏽鋼。接合前先對17-4PH不鏽鋼進行表面鍍膜,以作為擴散阻隔層,來阻擋填料與基材間相互擴散以避免硬脆之介金屬形成,並能得最佳之剪力強度。實驗結果可知,於17-4PH不鏽鋼表面化學鍍鎳有較佳的剪力強度,比較化學鍍鎳與電鍍鉻於17-4PH不鏽鋼上兩者的接合界面顯微組織,前者所生成的脆性Ti-Cu相較少,而變為TiNiCu與NiPTi兩相。在17-4PH不鏽鋼表面化學鍍鎳與電鍍鉻中,皆沒有發現TiFe相的存在。在硬銲溫度為800℃與850℃時,破斷發生在Ti-6Al-4V與填料之間的Ti-Cu相。 | zh_TW |
dc.description.abstract | Dynamic wetting angles and microstructures of Ag-Cu-Ti-Zr active filler alloys on 99.5wt.% and 95wt.% Al2O3 substrates using infrared heating has been performed in the study. Experimental results show that Ag-Cu-6Ti-6Zr (wt.%) has better wettability than Ag-Cu-1.5Ti-1.5Zr (wt.%) due to Zr oxidation of the latter filler on Al2O3 substrate. The relationship between the wetting angle and time can be fitted well by the equation proposed by Ambrose et al. in which the characteristic time τis modified by τ×R, where R is a correction constant. Microstructural observations show that the interface between Ag-Cu-6Ti-6Zr and Al2O3 forms Ti3.3Cu2.7O layer. In contrast, the interface of Ag-Cu-1.5Ti-1.5Zr and Al2O3 forms ZrO2 layer. In this study, the joining of Ti-6Al-4V and 17-4 PH S.S. using the BAg-8 filler alloy is also performed. A diffusion barrier coated on the 17-4 PH S.S. is introduced prior to infrared brazing. The aim of introducing the diffusion barrier(s) is to prevent interdiffusion between two dissimilar alloys from forming intermetallics, so better bonding strength can be expected. Experimental results show that the best shear strength can be obtained from electroless-plating the Ni film on the 17-4PH S.S. Compared with the going of electroless-plating Ni film on 17-4PH S.S. and that of electroplating Cr film on 17-4PH S.S., the former has less Ti-Cu intermetallics and replaced by TiNiCu and NiPTi phases in the infrared brazed joint. Both joints do not have the interfacial TiFe compound and the fractures occur at the Ti-Cu intermetallics in between Ti-6Al-4V and filler for the joints brazed at 800℃ and 850℃. | en |
dc.description.provenance | Made available in DSpace on 2021-06-08T05:29:57Z (GMT). No. of bitstreams: 1 ntu-94-R92522723-1.pdf: 5353681 bytes, checksum: d1d02f3a9c62589039becdb771f9a188 (MD5) Previous issue date: 2005 | en |
dc.description.tableofcontents | 中文摘要……………………………………………...…………..………..Ⅰ
英文摘要…………………………………………………………..……….Ⅱ 目錄…………………………………………………………………..…….Ⅲ 第一章 前言………………………………………………………………...1 第二章 文獻回顧…………………………………………………………..7 2-1 氧化鋁陶瓷材料……………………………………………………….7 2-2 17-4PH不鏽鋼與Ti-6Al-4V材料……………………………………..8 2-2-1 17-4 PH不鏽鋼之性質與銲接特性…………………………….8 2-2-2 Ti-6Al-4V之性質與銲接特性…………………………….11 2-3 金屬與陶瓷潤溼角分析………………………………………………14 2-3-1 液體的表面張力……………………………………………….14 2-3-2 潤溼角分析…………………………………………………….17 2-3-3 金屬/合金與陶瓷界面分析……………………………………19 2-4 Ti-6Al-4V擴散接合不鏽鋼之研究…………………………………....20 2-4-1 擴散阻隔層對接合之研究………………………………….….22 2-5 活性硬銲製程之特性與回顧………………………………………….25 2-5-1 擴散接合之研究………………………………………………..27 2-5-2 暫態液相接合法………………………………………………..28 2-5-3 紅外線接合製程特性…………………………………………..29 第三章 實驗方法………………………………………………….……..49 3-1 材料選擇與準備………………………………………………….….49 3-1-1 Al2O3基材……………….………………….…………….…..50 3-1-2 Ti-6Al-4V基材……………………………….…….………....51 3-2 17-4PH不鏽鋼試片表面處理…………………………………….….51 3-2-1電鍍鉻…………………………………………………………51 3-2-2無電鍍鎳………………………………………………………52 3-3 紅外線加熱接合製程………………………………………………..53 3-3-1 實驗設備………………………………….…………….….…53 3-3-2 動態潤濕角測試……………….………….…………….……53 3-3-3 硬銲接合實驗……….……………….…….………….……...54 3-3-4 持溫時間之控制……………………………………………...55 3-4 實驗分析之儀器……………………………………………………...55 3-4-1 光學顯微鏡及掃描式電子顯微鏡……………………………55 3-4-2 EPMA化學組成分析………………………………………….56 3-4-3剪力試驗………………………………………………...……..56 第四章 紅外線快速硬銲接合之動態潤溼行為分析…………………….65 4-1 動態潤溼角度分析…………………………………………………….65 4-2 接合界面與三相接觸點顯微組織分析……………………………….68 4-2-1 99.5wt.% Al2O3…………………………………………………69 4-2-1-1 Ag-27.2Cu-1.5Ti-1.5Zr (wt.%) ……………………………. 69 4-2-1-2 Ag-26.3Cu-3Ti-3Zr (wt.%) ………………………………… 70 4-2-1-3 Ag-25.5Cu-4.5Ti-4.5Zr (wt.%)……………..………….…….71 4-2-1-4 Ag-24.6Cu-6Ti-6Zr (wt.%) ………………………………… 72 4-2-2 95wt.% Al2O3……………….…………………………….…..…73 4-2-2-1 Ag-27.2Cu-1.5Ti-1.5Zr (wt.%)……………..………….….…73 4-2-2-2 Ag-26.3Cu-3Ti-3Zr (wt.%) ………………………………… 73 4-2-2-3 Ag-25.5Cu-4.5Ti-4.5Zr (wt.%)………….……………...……74 4-2-2-4 Ag-24.6Cu-6Ti-6Zr (wt.%)………………….………………..74 4-3 界面層反應機構之探討………………………………………………...75 4-4 不同純度氧化鋁之潤濕性與界面顯微組織之比較…………………...79 4-4-1 潤濕性之比較……………………………………………………80 4-4-2 界面顯微組織之比較……………………………………………80 第五章 在17-4 PH不鏽鋼表面鍍鉻後紅外線硬銲接合之研究………..109 5-1 層狀界面組織…………………………………………………….…....109 5-2 紅外線硬銲接合之顯微組織分析…………………………...……......111 5-2-1 動態潤濕角分析………………………………………….…....112 5-2-2 800℃之接合界面顯微組織……………………………….…...113 5-2-3 850℃之接合界面顯微組織………………………...……….....115 5-2-4 900℃之接合界面顯微組織………………………...…………..116 5-3 紅外線硬銲接合之機械性質的測試及破斷面分析………….………120 第六章在17-4 PH不鏽鋼表面鍍化學鎳後紅外線硬銲接合之研究…….145 6-1 紅外線硬銲接合之顯微組織分析………………………………...........145 6-1-1 動態潤濕角分析……………………………………….………..146 6-1-2 800℃之接合界面顯微組織…………………………….……….147 6-1-3 850℃之接合界面顯微組織…………………………….……….149 6-1-4 880℃之接合界面顯微組織…………………………….……….150 6-2 紅外線硬銲接合之機械性質的測試及破斷面分析………….…….....152 6-3 紅外線硬銲接合Ti-6Al-4V與17-4 PH不鏽鋼之比較……………...153 第七章 結論………………………………………………………………...181 參考文獻…………………………………………………………...…..........185 | |
dc.language.iso | zh-TW | |
dc.title | 利用銀基填料紅外線硬銲接合Ti-6Al-4V與17-4PH S.S.或Al2O3之研究 | zh_TW |
dc.title | Infrared brazing of Ti-6Al-4V and 17-4PH S.S. or Al2O3 using Ag-based braze alloys | en |
dc.type | Thesis | |
dc.date.schoolyear | 93-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 王文雄,周棟勝,高振宏,薛人愷 | |
dc.subject.keyword | 紅外線硬銲接合,Ag-Cu共晶活性硬銲填料,動態潤濕,擴散阻隔層Cr及Ni層, | zh_TW |
dc.subject.keyword | Infrared brazing,Ag-Cu active brazing fillers,Dynamic wetting,Diffusion barriers, | en |
dc.relation.page | 193 | |
dc.rights.note | 未授權 | |
dc.date.accepted | 2005-07-05 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 機械工程學研究所 | zh_TW |
顯示於系所單位: | 機械工程學系 |
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