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鋁合金助銲劑輔助TIG-MIG複合銲接特性之研究 = = Study o...

甘繹賢

鋁合金助銲劑輔助TIG-MIG複合銲接特性之研究 = = Study on Flux Assisted TIG-MIG Hybrid Welding Characteristics of Aluminum Alloy /

Record Type:	Language materials, printed : Monograph/item
Title/Author:	鋁合金助銲劑輔助TIG-MIG複合銲接特性之研究 =/ 甘繹賢.
Reminder of title:	Study on Flux Assisted TIG-MIG Hybrid Welding Characteristics of Aluminum Alloy /
remainder title:	Study on Flux Assisted TIG-MIG Hybrid Welding Characteristics of Aluminum Alloy.
Author:	甘繹賢
Published:	雲林縣 :國立虎尾科技大學 , : 民113.07.,
Description:	[9], 111面 :圖, 表 ; : 30公分.;
Notes:	指導教授: 黃和悅, 蔡丕椿.
Subject:	mechanical properties. -
Online resource:	電子資源

鋁合金助銲劑輔助TIG-MIG複合銲接特性之研究 = = Study on Flux Assisted TIG-MIG Hybrid Welding Characteristics of Aluminum Alloy /
甘繹賢

鋁合金助銲劑輔助TIG-MIG複合銲接特性之研究 =Study on Flux Assisted TIG-MIG Hybrid Welding Characteristics of Aluminum Alloy /Study on Flux Assisted TIG-MIG Hybrid Welding Characteristics of Aluminum Alloy.甘繹賢. - 初版. - 雲林縣 :國立虎尾科技大學 ,民113.07. - [9], 111面 :圖, 表 ;30公分.

指導教授: 黃和悅, 蔡丕椿.

碩士論文--國立虎尾科技大學材料科學與工程系材料科學與綠色能源工程碩士班.

含參考書目.

本文中探討了活性助銲劑對惰性氣體鎢極電弧銲與惰性氣體金屬極電弧銲(TIG-MIG)複合銲接的影響。實驗使用Cr2O3 助銲劑在不同熱輸入量下進行平板堆銲(Bead-on-plate welding)，並探討助銲劑和銲接電流對於5083鋁合金微觀組織與微硬度的影響。結果顯示，TIG電流值的改變顯著影響了銲接特性，當電流值增加時，電弧陽極端區域也隨之增大，進而產生更窄且深的銲道。添加活性助銲劑有助於使電弧陽極端區域變小，從而提高了能量密度，達到了更深的熔透深度和高的深寬比。MIG電弧在使用活性助銲劑或無助銲劑輔助的情況之下都能夠穩定輸出，且隨著熱輸入的增加，熔合區域顯著擴大。在使用活性助銲劑的情況下，通過X射線繞射峰確認了銲道中存在Al相、Al6(Mn, Fe)、Al12(Cr,Mn)和Mg2Si。然而，無助銲劑的銲道中僅觀察到Al相、Al6(Mn, Fe)和Mg2Si。銲道的金相結構主要取決於熱輸入量，對銲道中的樹枝狀晶生長速度和生長模式有深遠的影響；隨著熱輸入量的增加，銲道中的樹枝晶臂間距增大，造成微觀結構變得更粗大。因此，銲道金屬微觀結構的變化足以證明為銲件最低硬度區域。.

(平裝)Subjects--Topical Terms:

995013
mechanical properties.

鋁合金助銲劑輔助TIG-MIG複合銲接特性之研究 = = Study on Flux Assisted TIG-MIG Hybrid Welding Characteristics of Aluminum Alloy /
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245 1 0 $a 鋁合金助銲劑輔助TIG-MIG複合銲接特性之研究 = $b Study on Flux Assisted TIG-MIG Hybrid Welding Characteristics of Aluminum Alloy / $c 甘繹賢.
246 1 1 $a Study on Flux Assisted TIG-MIG Hybrid Welding Characteristics of Aluminum Alloy.
250 $a 初版.
260 # $a 雲林縣 : $b 國立虎尾科技大學 , $c 民113.07.
300 $a [9], 111面 : $b 圖, 表 ; $c 30公分.
500 $a 指導教授: 黃和悅, 蔡丕椿.
500 $a 學年度: 112.
502 $a 碩士論文--國立虎尾科技大學材料科學與工程系材料科學與綠色能源工程碩士班.
504 $a 含參考書目.
520 3 $a 本文中探討了活性助銲劑對惰性氣體鎢極電弧銲與惰性氣體金屬極電弧銲(TIG-MIG)複合銲接的影響。實驗使用Cr2O3 助銲劑在不同熱輸入量下進行平板堆銲(Bead-on-plate welding)，並探討助銲劑和銲接電流對於5083鋁合金微觀組織與微硬度的影響。結果顯示，TIG電流值的改變顯著影響了銲接特性，當電流值增加時，電弧陽極端區域也隨之增大，進而產生更窄且深的銲道。添加活性助銲劑有助於使電弧陽極端區域變小，從而提高了能量密度，達到了更深的熔透深度和高的深寬比。MIG電弧在使用活性助銲劑或無助銲劑輔助的情況之下都能夠穩定輸出，且隨著熱輸入的增加，熔合區域顯著擴大。在使用活性助銲劑的情況下，通過X射線繞射峰確認了銲道中存在Al相、Al6(Mn, Fe)、Al12(Cr,Mn)和Mg2Si。然而，無助銲劑的銲道中僅觀察到Al相、Al6(Mn, Fe)和Mg2Si。銲道的金相結構主要取決於熱輸入量，對銲道中的樹枝狀晶生長速度和生長模式有深遠的影響；隨著熱輸入量的增加，銲道中的樹枝晶臂間距增大，造成微觀結構變得更粗大。因此，銲道金屬微觀結構的變化足以證明為銲件最低硬度區域。.
520 3 $a In this paper the effects of activated flux during tungsten inert gas and metal inert gas (TIG-MIG) hybrid welding were investigated. Experiments were performed to obtain bead-on-plate weld deposits at various heat input using Cr2O3 flux. While studying the combined effect of flux and welding current on microstructure and hardness of 5083 aluminum alloy. The experimental results showed that TIG current variation significantly affects welding characteristics, the anode root area increased as increased current, which produced narrower and deeper weld. Use of activated flux helped anode root to get smaller and hence the heat density increased in achieving deeper penetration and higher depth-to-width aspect ratio. MIG arc worked under the activated flux or without flux were stable and the fusion zone area increased significantly with increasing heat input. In the case of activating flux was adopted, based on X-ray diffraction peaks the presence of Al phase, Al6(Mn,Fe) , Al12(Cr,Mn) and Mg2Si were confirmed in welded metal. However, only Al phase, Al6(Mn,Fe) and Mg2Si were observed in welded metal without flux. The geometry of the welded areas depended mainly on heat input, and also had profound influences on the dendrite growth velocity and growth pattern. The microstructure of welded metal became more coarser with greater dendrite arm spacing as the heat input was increased. Therefore, the changes of microstructure in the welded metal zone could serve as strong evidence of the lowest hardness..
563 $a (平裝)
650 # 4 $a mechanical properties. $3 995013
650 # 4 $a welding arc. $3 1450195
650 # 4 $a active flux. $3 1450194
650 # 4 $a TIG-MIG hybrid welding. $3 1450193
650 # 4 $a 5083 aluminum alloy. $3 1450192
650 # 4 $a 機械性質. $3 995016
650 # 4 $a 銲接電弧. $3 1450191
650 # 4 $a 活性助銲劑. $3 1450190
650 # 4 $a TIG-MIG複合銲接. $3 1450189
650 # 4 $a 5083鋁合金. $3 1383676
856 7 # $u https://handle.ncl.edu.tw/11296/n66ma2 $z 電子資源 $2 http