Diffusion bonding of stainless ASTM A240 grade 304 in double side flux cored arc welding

ผู้แต่ง

  • Sombat Pitaknorachon King Mongkut’s University of Technology Thonburi
  • Bovornchok Poopat King Mongkut’s University of Technology Thonburi

คำสำคัญ:

Double side flux cored arc welding (DS-FCAW), Diffusion

บทคัดย่อ

Double side flux cored arc welding (DS-FCAW) has been developed from conventional flux cored arc welding (FCAW). DS-FCAW, dual torches are used by placing an opposite to each other and welding on both sides simultaneously. The objective of this research paper is to investigate diffusion bonding effect due to DS-FCAW. Stainless steel ASTM A240 Grade 304 was studied. Other welding parameters were set constant except welding current and voltage. Diffusion bonding was observed even though weld profiles from macro inspection showed lack of penetration by we ld metal in all experiments. It can be concluded that, at certain conditions, the welds can pass both mechanical test and microstructure examination because diffusion bonding process was completely developed due to high contraction stress and high temperature. The advantage of DS-FCAW is that the required joint mechanical properties can be achieved in single welding which results in reduction of welding time and cost.

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เอกสารอ้างอิง

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เผยแพร่แล้ว

2017-04-23

วิธีการอ้างอิง

[1]
S. Pitaknorachon และ B. . Poopat, “Diffusion bonding of stainless ASTM A240 grade 304 in double side flux cored arc welding”, J Met Mater Miner, ปี 18, ฉบับที่ 1, เม.ย. 2017.

ฉบับ

ปีที่ 18 ฉบับที่ 1 (2008)

บท

Original Research Articles

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ลิขสิทธิ์ (c) 2017 Journal of Metals, Materials and Minerals

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