Chinese Journal of Lasers, Volume. 44, Issue 5, 502005(2017)

Influence of Side Assist Gas on Microstructure and Corrosion Resistance of Welds of Austenitic Stainless Steel in Laser Welding

Zhou Yuan1、*, Cai Yan1,2, Heng Haokun1, Sheng Jie1, and Li Fang1,2
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
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    References(12)

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    [5] [5] Fang Fei, Li Jingyuan, Wang Yide. Solidification mode and microstructure of nitrogenous stainless steels[J]. Journal of University of Science and Technology Beijing, 2014, 36(11): 1490-1496.

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    [7] [7] Bauer B, Topic' A, Kralj S, et al. Influence of the gas composition on the geometry of laser-welded joints in duplex stainless steel[J]. Materiali in Tehnologije, 2011, 45(5): 413-419.

    [9] [9] Lai R, Cai Y, Wu Y, et al. Influence of absorbed nitrogen on microstructure and corrosion resistance of 2205 duplex stainless steel joint processed by fiber laser welding[J]. Journal of Materials Processing Technology, 2016, 231: 397-405.

    [10] [10] Kim S T, Kim S Y, Lee I S, et al. Effects of shielding gases on the microstructure and localized corrosion of tube-to-tube sheet welds of super austenitic stainless steel for seawater cooled condenser[J]. Corrosion Science, 2011, 53(8): 2611-2618.

    [11] [11] Kim S T, Jang S H, Lee I S, et al. Effects of solution heat-treatment and nitrogen in shielding gas on the resistance to pitting corrosion of hyper duplex stainless steel welds[J]. Corrosion Science, 2011, 53(5): 1939-1947.

    [12] [12] Salazar J M G D, Soria A, Barrena M I. The effect of N2 addition upon the MIG welding process of duplex steels[J]. Journal of Materials Science, 2007, 42(13): 4892-4898.

    [13] [13] Dong W,Kokawa H, Sato Y S, et al. Nitrogen absorption by iron and stainless steels during CO2 laser welding[J]. Metallurgical and Materials Transactions B, 2003, 34(1): 75-82.

    [14] [14] Muthupandi V, Srinivasan P B, Shankar V, et al. Effect of nickel and nitrogen addition on the microstructure and mechanical properties of power beam processed duplex stainless steel (UNS 31803) weld metals[J]. Materials Letters, 2005, 59(18): 2305-2309.

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    Zhou Yuan, Cai Yan, Heng Haokun, Sheng Jie, Li Fang. Influence of Side Assist Gas on Microstructure and Corrosion Resistance of Welds of Austenitic Stainless Steel in Laser Welding[J]. Chinese Journal of Lasers, 2017, 44(5): 502005

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    Paper Information

    Category: laser manufacturing

    Received: Dec. 9, 2016

    Accepted: --

    Published Online: May. 3, 2017

    The Author Email: Zhou Yuan (zhou_yuan0506@sjtu.edu.cn)

    DOI:10.3788/cjl201744.0502005

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