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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/13621

Title: 鈦鋯鎳銅硬焊填料合金之開發及其於異種合金硬焊應用研究
The Development of Ti-Zr-Ni-Cu Brazing Filler and its Application on the Brazing of Dis-similar Alloys
Authors: Chih-Peng Hsieh
謝智鵬
Contributors: NTOU:Institute of Materials Engineering
國立臺灣海洋大學:材料工程研究所
Keywords: 硬焊;硬銲;填料;非晶;粉末
Ti-Zr-Ni-Cu;brazing;amorphous
Date: 2009
Issue Date: 2011-06-30T07:24:10Z
Abstract: 非晶態銲填料因具有成分均勻,材料純淨,潤濕流動性佳等優點,自1978年以來已開始把非晶態合金做為中間層材料,用於硬銲領域;而Ti-6Al-4V及2205雙相不銹鋼因兼具優良的機械性質及抗腐蝕能力,均為相當優異的工程合金而廣為工業界所使用,因此藉由異種接合不僅可以使此兩種材料應用範圍大幅提升,更可以提供設計者多樣化材料選擇,在異種接合製程中,硬銲接合可處理複雜結構接合件之接合,且接合後銲件不易變形,因而為常使用的接合方式之一。 本研究主要探討以機械合金法(Mechanical alloying)合成Ti-Zr-Ni-Cu合金粉末之非晶化行為,並用來當硬銲填料硬銲接合Ti-6Al-4V及2205雙相不銹鋼,根據實驗所得結果,在經球磨60分鐘後Ti40Zr25Ni15Cu20、Ti30Zr25Ni15Cu30、Ti25Zr25Ni15Cu35、Ti25Zr25Ni25Cu25四種合金粉末均可形成非晶質相。且在硬銲特性方面,經由鋪展流動性實驗及DTA測試結果可得知,Ti40Zr25Ni15Cu20非晶質合金粉末不論對Ti-6Al-4V或2205雙相不銹鋼都較其他Ti-Zr-Ni-Cu合金粉末有較高的鋪展流動性及較低的熔點,且用以比較未球磨之合金粉末填料硬銲接合,接合件強度其結果可知,無論合金粉末是否為非晶質,均可成功接合Ti-6Al-4V及2205雙相不銹鋼基材,而由剪切試驗結果顯示,使用未球磨之合金粉末填料,其接合件強度大於使用非晶質合金粉末填料,其剪切強度分別為94及63MPa。
Since 1978 years, the amorphous alloy has been used in the field of brazing filler with its high purity, good wettability and homogeneous distribution of continent in material. In joining dissimilar alloys process, brazing is one of the popular methods. The reason is that brazing could be easily operated in dealing with complex structure and no pronounced deformation after the joining process. The Ti-6Al-4V and 2205 duplex stainless steels have been widely applied in various industries due to their excellent mechanical properties as well as corrosion resistance. Joining these two materials provide a versatile choice for designers, and advance the technique in joining manufacture. In this work, the amorphous alloy for Ti-Zr-Ni-Cu powder was formed by mechanical alloying and used as a filler material joining the Ti-6Al-4V alloy and 2205 duplex stainless steels. The results showed that the different continent powders in Ti40Zr25Ni15Cu20、Ti30Zr25Ni15Cu30、Ti25Zr25Ni15Cu35 and Ti25Zr25Ni25Cu25 could form the amorphous alloys after milling in 60 mins. In the wettability and DTA tests, the Ti40Zr25Ni15Cu20 specimen exhibited a higher wetting behavior and lower melting point. However, whether the powder specimen has been carried out in the milling process, the Ti-6Al-4V alloy and 2205 duplex stainless steels could be successfully joined. The powder specimen without milling process has a better joining strength than that with milling process. The shearing strength of the former and later powder specimens were about 94 MPa and 63MPa, respectively.
URI: http://ethesys.lib.ntou.edu.tw/cdrfb3/record/#G0M96550018
http://ntour.ntou.edu.tw/ir/handle/987654321/13621
Appears in Collections:[材料工程研究所] 博碩士論文

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