Effects of Defocusing Amount on Microstructure and Properties of DP780 High-strength Dual-phase Steel Laser Joint

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Effects of Defocusing Amount on Microstructure and Properties of DP780 High-strength Dual-phase Steel Laser Joint
“In laser welding of 2mm thick DP780 high-strength duplex steel, different defocusing amounts have a significant impact on the formability and mechanical properties of the welded joint.”
Vol. 45, Issue 2, Pages: 256-262(2025)
Received：06 December 2023，

Revised：05 February 2024，

Published：20 February 2025
DOI： 10.15980/j.tzzz.T20230465
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刘鑫雨，孙有平，何江美，等. 离焦量对DP780高强双相钢激光接头组织及性能的影响［J］. 特种铸造及有色合金，2025，45（2）：256-262.

LIU X Y，SUN Y P，HE J M，et al. Effects of defocusing amount on microstructure and properties of DP780 high-strength dual-phase steel laser joint［J］. Special Casting & Nonferrous Alloys，2025，45（2）：256-262.
刘鑫雨，孙有平，何江美，等. 离焦量对DP780高强双相钢激光接头组织及性能的影响［J］. 特种铸造及有色合金，2025，45（2）：256-262. DOI： 10.15980/j.tzzz.T20230465.

LIU X Y，SUN Y P，HE J M，et al. Effects of defocusing amount on microstructure and properties of DP780 high-strength dual-phase steel laser joint［J］. Special Casting & Nonferrous Alloys，2025，45（2）：256-262. DOI： 10.15980/j.tzzz.T20230465.

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