Microstructure and mechanical properties of medium-carbon steel bonded on low-carbon steel by explosive welding

Borchers, C.; Lenz, Malte; Deutges, Martin; Klein, Helmut; Gärtner, F.; Hammerschmidt, Michael; Kreye, H.

doi:10.1016/j.matdes.2015.09.164

Cited by 54 publications

(19 citation statements)

References 48 publications

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“…Judged from the wavelength and wave height it belongs to a wavy interface between micro wavy and small wavy. Compared with the bonding interface of big and small wavy, this kind of wavy interface has a higher bonding strength [21]. Another three specimens along the detonation direction were taken from the head, middle and end of the bimetallic pipe manufactured by Explosive Cord 3.…”

Section: Figure 6 Schematic Diagram Of the Shock Wave In The Tube Inmentioning

confidence: 99%

Study on Underwater Explosive Welding of Al-Steel Coaxial Pipes

Zhao

et al. 2017

Cent. Eur. J. Energ. Mater.

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Abstract:In order to solve the aluminum surface ablation issue of Al-Steel bimetallic pipes manufactured by the explosive welding technique, a novel explosive welding system has been designed to weld Al-Steel coaxial pipes. The stand-off distance was chosen according to an empirical formula. A special Explosive Cord with an aluminum coating was used as the explosive. Four experiments were performed using Explosive Cords 1, 2, 3 and 4, respectively. In each experiment, three reliable PVDF (Polyvinylidene Fluoride) piezoelectric film sensors were used to sample the impact pressure between the parent pipe and the flyer pipe along the detonation direction. p-t Curves were obtained at different points on the bimetallic pipe manufactured by Explosive Cord 1. In order to observe the inner surface and to judge the bonding interface, specimens were cut along the axial direction. BSE (Backscattering Electron) images of the interfaces were obtained. According to these pictures from all of the specimens cut along the axial direction, the surface ablation phenomenon has disappeared. The bimetallic pipe manufactured by the new welding system using Explosive Cord 3 has an irregular wavy interface, between micro and small wavy interface, which is one of the best bonding forms.

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Section: Figure 6 Schematic Diagram Of the Shock Wave In The Tube Inmentioning

confidence: 99%

Study on Underwater Explosive Welding of Al-Steel Coaxial Pipes

Zhao

et al. 2017

Cent. Eur. J. Energ. Mater.

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“…This, however, mainly refers to the static properties. Examples of such tests can be found in works [4,[27][28][29][30][31][32][33][34][35], among others, which refer to explosively welded steels and other alloys such as Cu/Zn, Al/ Mg, Al/Ti, Cu/steel, Nb/Cu, Ta/Cu, and 316 L/CuCrZr.…”

Section: Introductionmentioning

confidence: 99%

Local mechanical properties of explosively welded AA2519-AA1050-Ti6Al4V layered material

Boroński

2020

Weld World

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The study presents the results of tests of local static and cyclic properties of an explosively welded AA2519-AA1050-Ti6Al4V layered material. In order to perform the analysis, tests were carried out with the use of microspecimens collected from 10 layers of AA2519-AA1050-Ti6Al4V material. Additionally, the determined static properties were compared with the results of an analysis based on microhardness measurement. Based on the test results, slight differences in static properties were found for particular layers of the material as well as a distinct softening of the AA2519 layer in relation to the base values. It was also found that the application of microhardness measurement for analysis of static properties can lead to their overestimation. Cyclic properties were described by the Ramberg-Osgood model. As in the case of static properties, the cyclic properties of particular layers of AA2519-AA1050-Ti6Al4V material differ insignificantly. The tests of cyclic properties showed that application for their description the Ramberg-Osgood model, based on parameters determined for whole range of plastic strains, can lead to significant errors in the modeling of a layered material. The cyclic instability of Ti6Al4V and AA2519 alloys has a significant influence on the parameters to be determined for material models of the analyzed material.

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“…Explosive welding is a well-known solid state method for joining various metal materials, which employs explosive energy to make metals produce a high-speed oblique collision and achieve metallurgical bond [1][2]. Since external heating and large-scale melting are unnecessary for this process [3], it is capable to directly join wide varieties of both similar and dissimilar combinations of metals which may not be joined by any other techniques [4]. Up to now, more than 260 various similar and dissimilar metals and alloy combinations have be successfully cladded using explosive welding [5].…”

Section: Introductionmentioning

confidence: 99%

Study on the Effects of Explosive Covering on Explosive Welding of Stainless Steel to Steel

Yang

Shen

2019

Propellants Explo Pyrotec

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In order to improve the energy utilization ratio of explosives and reduce the noise and dust for explosive welding, honeycomb structure explosives covered by colloid water were put forward as explosive materials. Using 304 stainless steel and Q235 steel as flyer plate and base plate respectively, explosive welding tests were carried out with different covering thicknesses. The dynamic parameters in the collision process were obtained by experimental measurement and theoretical calculation. The microstructure of the bonding interface was observed through optical microscopy and analyzed by welding window. The results showed that, compared to the explosive welding without covering, the impact velocity of flyer plates was increased by 38.9 %, 57.5 % and 71.9 % respectively when the covering thickness was 15 mm, 30 mm and 45 mm. The impact velocity predicted by Gurney formulas was significantly larger than the measured value, however, after considering acceleration history, the calculated value was in good agreement with the experimental result. Metallographic analysis showed that wave bonding interfaces without defects such as voids and cracks were obtained when the welding conditions were within the welding window. However, voids and cracks were found at the bonding interfaces when the welding conditions were close and above to the upper limit of the welding window.

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Microstructure and mechanical properties of medium-carbon steel bonded on low-carbon steel by explosive welding

Cited by 54 publications

References 48 publications

Study on Underwater Explosive Welding of Al-Steel Coaxial Pipes

Study on Underwater Explosive Welding of Al-Steel Coaxial Pipes

Local mechanical properties of explosively welded AA2519-AA1050-Ti6Al4V layered material

Study on the Effects of Explosive Covering on Explosive Welding of Stainless Steel to Steel

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