Comparison of explosive welding of pure titanium/SUS 304 austenitic stainless steel and pure titanium/SUS 821L1 duplex stainless steel

XiangCHEN,DaisukeINAO,ShigeruTANAKA,Xiao-jieLI,I.A.BATAEV,KazuyukiHOKAMOTO

doi:10.1016/S1003-6326(21)65685-6

Transactions of Nonferrous Metals Society of China >

2021 , Vol. 31 >Issue 9: 2687 - 2702

DOI: https://doi.org/10.1016/S1003-6326(21)65685-6

Materials Science and Engineering

Comparison of explosive welding of pure titanium/SUS 304 austenitic stainless steel and pure titanium/SUS 821L1 duplex stainless steel

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Xiang CHEN¹, Daisuke INAO², Shigeru TANAKA¹, Xiao-jie LI³, I. A. BATAEV⁴, Kazuyuki HOKAMOTO¹

1. Institute of Industrial Nanomaterials, Kumamoto University, 860-8555 Kumamoto, Japan;
2. Faculty of Engineering, Kumamoto University, 860-8555 Kumamoto, Japan;
3. State Key Laboratory of Structural Analysis for Industrial Equipment and Department of Engineering Mechanics, Dalian University of Technology, Dalian 116024, China;
4. Faculty of Mechanical Engineering and Technologies, Novosibirsk State Technical University, K. Marks 20, 630073 Novosibirsk, Russia

Online published: 2021-09-25

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Abstract

Pure commercial titanium was welded with two types of stainless steel, namely SUS 304 austenitic stainless steel and SUS 821L1 duplex stainless steel. The wavy interface of SUS 821L1 was smaller than that of SUS 304. The vortex zone was observed from both longitudinal and transverse directions, and its composition was analyzed. The interface of Ti/SUS 821L11 was able to bear 401-431 MPa shear load while that of Ti/SUS 304 could withstand 352-387 MPa. The weldability window was used to analyze experimental phenomenon. Furthermore, the smoothed particle hydrodynamics (SPH) numerical simulation method was used to simulate the wavy interface. The trend of wavelength and amplitude change with strength and the stand-offs was consistent with the experimental results.

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XiangCHEN,DaisukeINAO,ShigeruTANAKA,Xiao-jieLI,I.A.BATAEV,KazuyukiHOKAMOTO . Comparison of explosive welding of pure titanium/SUS 304 austenitic stainless steel and pure titanium/SUS 821L1 duplex stainless steel[J]. Transactions of Nonferrous Metals Society of China, 2021 , 31(9) : 2687 -2702 . DOI: 10.1016/S1003-6326(21)65685-6

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