Experimental and numerical investigation on fabricating multiple plates by an energy effective explosive welding technique

Chen, Zijun; Xu, Jian; Zhou, Heng; Chen, Daiguo; Yang, Mingshun; Ma, Honghao; Shen, Zhaowu; Zhang, Bingyuan

doi:10.1016/j.jmrt.2021.08.129

Cited by 14 publications

(8 citation statements)

References 39 publications

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“…The formation of the wavy structure at the weld interface has attracted a lot of attention among researchers [ 12 , 13 , 14 , 15 ]. At present, the hydrodynamic theory is the main theory that describes the dynamic behavior of a material under high-velocity oblique collision; therefore, it is most often used to explain wave formation [ 16 , 17 ].…”

Section: Resultsmentioning

confidence: 99%

Morphology and Structure of Brass–Invar Weld Interface after Explosive Welding

et al. 2022

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This paper presents the results of a study of the morphology and structure at the weld interface in a brass–Invar bimetal, which belongs to the class of so-called thermostatic bimetals, or thermobimetals. The structure of the brass–Invar weld interface was analyzed using optical microscopy and scanning electron microscopy (SEM), with the use of energy-dispersive X-ray (EDX) spectrometry and back-scattered electron diffraction (BSE) to identify the phases. The distribution of the crystallographic orientation of the grains at the weld interface was obtained using an e-Flash HR electron back-scatter diffraction (EBSD) detector and a forward-scatter detector (FSD). The results of the study indicated that the weld interface had the wavy structure typical of explosive welding. The wave crests and troughs showed the presence of melted zones consisting of a disordered Cu–Zn–Fe–Ni solid solution and undissolved Invar particles. The pattern quality map showed that the structure of brass and Invar after explosive welding consisted of grains that were strongly elongated towards the area of the highest intensive plastic flow. In addition, numerous deformation twins, dislocation accumulations and shear bands were observed. Thus, based on the results of this study, the mechanism of Cu–Zn–Fe–Ni structure formation can be proposed.

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Section: Resultsmentioning

confidence: 99%

Morphology and Structure of Brass–Invar Weld Interface after Explosive Welding

et al. 2022

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“…However, explosive bonding will produce an explosive seismic wave, serious noise and toxic gas pollution. Although, many scholars have been working on reducing the pollution [14,15]. Chen et al [14] proposed an innovative explosive welding method for the fabrication of multiple plates (EWMP) to further improve the energy efficiency of explosive welding explosive charges and reduce the impact on the surrounding environment.…”

Section: Introductionmentioning

confidence: 99%

Preparation Method and Properties of Q235/5083 Composite Plate with 1060 Interlayer by Differential Temperature Rolling with Induction Heating

Yu,

Zhang,

Jiang

et al. 2023

Metals

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Due to their exceptional all-around performance, steel/aluminum-alloy composite plates have been frequently utilized in many different industries. However, when steel/aluminum-alloy composite plates are prepared by the rolling process, they will scarcely bond with high bonding strength under a lower reduction rate due to the inconsistent deformation the of steel/aluminum-alloy. Therefore, a method of adding a pure-aluminum interlayer by differential temperature rolling with induction heating was proposed to prepare steel/aluminum-alloy composite plates. The results showed that when the induction heating time was 10–18 s, the pure-aluminum interlayer became molten, and the temperature difference between the steel and aluminum alloy reached 350–500 °C. The interface shear strength of the composite plate reached more than 68 MPa under a 31% reduction rate. The shear fracture of the composite plate occurred in the pure-aluminum layer, and the steel/aluminum interface diffusion layer was 0.83–0.99 μm thick. There was no obvious compound formation at the bonding interface, however, the steel and aluminum alloy could not bond without the addition of an interlayer under the same conditions.

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“…[1] successfully prepared a five‐layer metal plate by adding Ni foil and Ta foil between aluminum plate and steel plate, which effectively improved the metal's bonding strength; Chen et al . [2] proposed a six‐layer explosive welding device, which can simultaneously obtains three sets of composite metal plates, and effectively improves the production efficiency; Yang et al . [3] used colloidal water coating to constrain the explosive, which improves the utilization rate of the explosive and increases the explosive detonation velocity by nearly 57 %; KAZUYUKI et al .…”

Section: Introductionmentioning

confidence: 99%

“…Explosive welding has been continuously improved by a large number of scholars since it was gradually applied to commercial production in the late 20th century. Zhang et al [1] successfully prepared a five-layer metal plate by adding Ni foil and Ta foil between aluminum plate and steel plate, which effectively improved the metal's bonding strength; Chen et al [2] proposed a six-layer explosive welding device, which can simultaneously obtains three sets of composite metal plates, and effectively improves the production efficiency; Yang et al [3] used colloidal water coating to constrain the explosive, which improves the utilization rate of the explosive and increases the explosive detonation velocity by nearly 57 %; KAZUYUKI et al [4] used an underwater shock wave to carry out large-scale explosive welding, and pointed out that under this condition, explosive welding is still feasible even without a separation distance between plates; Liu et al [5] successfully coated iron-based metallic glass foil on the aluminum plate surface by a new technology of explosive welding, which provided a new way to add amorphous coating on metal materials.…”

Section: Introductionmentioning

confidence: 99%

Study on explosive welding of Cu/steel composite pipe under local water environment

Miao

Yang

et al. 2023

Propellants Explo Pyrotec

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In order to improve the energy utilization rate and the bond quality of explosive welding, the local water environment method is used in present study.In this paper, several groups of high-quality Cu/Steel explosive composite pipes are prepared under local water environment. Optical microscope and mechanical property tests are conducted to analyze samples microstructure and mechanical properties. The results show that the waveform dimension of Cu/Steel bonding interface has a positive correlation with explosive layer thickness, and the miniature wavy bonding interface with the highest bonding quality is obtained by using the local water environment method. Compared with the traditional charge method, the consumption of explosives for the local water environment charge method is decreased about 60 % in the same case of experimental conditions. The local water enviroment method solves the problem of ablation damage at the contact surface between metal and explosives, and effectively reduces the diameter expansion phenomenon and end damage caused by boundary effect in the welding process. Through mechanical property tests, it was found that the yield strengths and compressive strengths of Cu/Steel specimens which created by the local water environment method are positively correlated with the explosive thickness. K E Y W O R D S bimetallic composite pipe, explosive welding, local water environment, microstructure

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Experimental and numerical investigation on fabricating multiple plates by an energy effective explosive welding technique

Cited by 14 publications

References 39 publications

Morphology and Structure of Brass–Invar Weld Interface after Explosive Welding

Morphology and Structure of Brass–Invar Weld Interface after Explosive Welding

Preparation Method and Properties of Q235/5083 Composite Plate with 1060 Interlayer by Differential Temperature Rolling with Induction Heating

Study on explosive welding of Cu/steel composite pipe under local water environment

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