Laser Welding of TA15 Titanium Alloy and Inconel 718 Dissimilar Metals

• Autorzy: An Qi , Wu Dongting , Liu Peng , Zou Yong

Identyfikatory

DOI

10.24425/amm.2022.141051

• Języki publikacji: EN

Abstrakty

EN

This paper studied the effect of laser welding technology on dissimilar metal welding joints of TA15 titanium alloy and Inconel 718 nickel-based alloy. The research results indicate that the laser welding of TA15 titanium alloy and Inconel 718 nickel-based alloy directly was difficult to form well, which due to the intermetallic compounds caused the joint brittle. When the pure Cu foil was used as the filling layer, the quality of the welding joints can be improved effectively. The experimental results also indicate that there were brittle intermetallic-compounds in the laser welding seam, and the laser power had an important influence on the performance and mechanical properties of the dissimilar metal joint. The maximum average tensile strength of the welding joint of 2300 W was increased to 252.32 MPa. Scanning electron microscope(SEM) results show that the fracture morphology was river pattern, a typical morphological of cleavage fracture, and the mode was brittle fracture.

Słowa kluczowe

EN

TA15 titanium alloy; Inconel 718 nickel-based alloy; laser welding; microstructure; tensile strength; fracture characteristics

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2022
• Tom: Vol. 67, iss. 4
• Strony: 1267--1276
• Opis fizyczny: Bibliogr. 20 poz., fot., rys., tab.

Twórcy

autor

An Qi

• Shandong University, Key Laboratory of Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, Jinan, 250061, China
• Shandong University, School of Materials Science and Engineering, Jinan, 250061, China

• https://orcid.org/0000-0001-5974-5283

autor

Wu Dongting

• Shandong University, Key Laboratory of Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, Jinan, 250061, China

• https://orcid.org/0000-0002-3463-2888

autor

Liu Peng

• Shandong Jianzhu University, School of Materials Science and Engineering, Jinan, 250101, China

autor

Zou Yong

• Shandong University, Jinan Shandong Engineering & Technology Research Center for Modern Welding, 250061, China

• https://orcid.org/0000-0002-4354-6543

Bibliografia

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Uwagi

1. This work was supported by National Natural Science Foundation of China (grant number 51975331); the fundamental research funds of Shandong University (grant number 2019HW001); key projects of laboratory construction and management in Shandong University (grant number sy20182303); and teaching reform project of Shandong University (grant number 2019Y089).

2. Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).