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Microstructure Change For Multi-Pass Welding Between Austenitic Stainless Steel And Carbon Steel

Author

Listed:
  • T. Nhung Le

    (Vietnam Maritime University, Vietnam)

  • M. Khanh Pham

    (Hanoi University of Science and Technology)

  • A. Tuan Hoang

    (Ho Chi Minh city University of Transport)

  • T.N. Mai Bui

    (Vietnam Maritime University, Vietnam)

  • D. Nam Nguyen

    (Vietnam Maritime University, Vietnam)

Abstract

The purpose of this study was to discuss the change in microstructures and hardness values in fusion zone (FZ) and heat-affected zone (HAZ) of austenitic stainless steel and carbon steel welds. By comparison, the morphology of δ – Ferrite which formed in the fusion zone of single-pass and multi-pass welding was analyzed. The columnar dendritic shape can be seen as features extending from the fusion line of a weld pass toward the subsequent passes. Furthermore, the δ-Ferrite morphology changed from fine cellular to columnar dendrite or equiaxed dendrite. The recrystallization phenomenon was only observed in the HAZ carbon steel side of multi-pass welding. This zone was divided into HAZ-1 (grain-refining region) and HAZ-2 (partial grain-refining region). The hardness values in each zone were measured with the highest value was on fusion boundary of carbon steel side. Transverse tensile was carried out.

Suggested Citation

  • T. Nhung Le & M. Khanh Pham & A. Tuan Hoang & T.N. Mai Bui & D. Nam Nguyen, 2018. "Microstructure Change For Multi-Pass Welding Between Austenitic Stainless Steel And Carbon Steel," Journal of Mechanical Engineering Research & Developments (JMERD), Zibeline International Publishing, vol. 41(2), pages 97-102, July.
    • Handle: RePEc:zib:zjmerd:v:41:y:2018:i:2:p:97-102
    DOI: 10.26480/jmerd.02.2018.97.102
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    Cited by:

    1. repec:zib:zjmerd:4jmerd2018-22-32 is not listed on IDEAS
    2. Xuan Phuong Nguyen, 2019. "The Bus Transportation Issue And People Satisfaction With Public Transport In Ho Chi Minh City ," Journal of Mechanical Engineering Research & Developments (JMERD), Zibeline International Publishing, vol. 42(1), pages 10-16, January.
    3. repec:zib:zjmerd:2jmerd2018-97-102 is not listed on IDEAS
    4. Minh Quang Chau, 2019. "A Study On The Factors Affecting The Flare Of The Weld When Welding The Steel Wire ," Journal of Mechanical Engineering Research & Developments (JMERD), Zibeline International Publishing, vol. 42(3), pages 71-75, April.
    5. Hung Chien Do, 2019. "Nonlinear Buckling Analysis Of A Cylindrical Shell Structures," Journal of Mechanical Engineering Research & Developments (JMERD), Zibeline International Publishing, vol. 42(1), pages 74-80, January.
    6. V.V Le & D.N Nguyen & T.T.V Tran & V.B Nguyen, 2019. "Design A Technical Process Of Thermal Spray Applied To The Crankshaft Rehabilitation Of Ship," Journal of Mechanical Engineering Research & Developments (JMERD), Zibeline International Publishing, vol. 42(1), pages 56-60, January.
    7. Nguyen Duong Nam & Nguyen Anh Xuan & Nguyen Van Bach & Le Thi Nhung & Le Thi Chieu, 2019. "Control Gas Nitriding Process: A Review," Journal of Mechanical Engineering Research & Developments (JMERD), Zibeline International Publishing, vol. 42(1), pages 17-25, January.
    8. Anh Tuan Hoang & Van Viet Pham, 2018. "A Review On Fuels Used For Marine Diesel Engines," Journal of Mechanical Engineering Research & Developments (JMERD), Zibeline International Publishing, vol. 41(4), pages 22-23, November.

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