Indian Welding Journal

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Microstructure and Mechanical Properties of Explosive Weld Copper-Mild Steel Joint


Affiliations
1 Defence Metallurgical Research Laboratory, P.O. Kanchanbagh, Hyderabad-58, India
     

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Mild steel and copper was joined with explosive welding using suitable parameters to obtain a copper-mild steel joint of high integrity. There was no diffusion, melting and formation of intermetallic zone between the bonded plates. An inter-mixed zone of the base materials is observed with a span of 1300 μm around the interface. Significant hardening and softening of the microstructure was observed on the copper and steel sides around the interface respectively by inter-mixing effect arising out of mechanical inter-locking. Shear strength of the joint (260 MPa) was quite higher with respect to that of the copper, the weaker metal of the copper-mild steel bimetal combination. Reasonably ductile shear failure occurred in the copper plate, and no failure was observed along the interface.

Keywords

Mild Steel, Copper, Explosive Weld Interface, Inter-Mixed Zone, Shear Strength.
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  • ASM Handbook on Welding, Brazing and Soldering, (1993); Vol. 6, Materials Park (OH): American Society for Materials.

  • Blazynski T (1983); Explosive welding of metals and its applications, Applied science publishers Ltd. England.

  • Gulenc B (2008); Investigation of interface properties and weldability of aluminium and copper plates by explosive welding method, Mater Des, 29, 275-278.

  • Acarer, M, Gulenc B and Findik, F (2004); The Influence of some factors on steel/steel bonding quality on their characteristics of explosive welding joints. J Mater Sci, 39, 6457-6466.

  • Covan GR, Bergman OR and Holtzman AH (1971); Mechanism of bond zone wave formation in explosion-clad metals, Metall. Trans. 2, 3145-3155.

  • Gerland M, Presles HN, Guin JP, Bertheau D (2000); Explosive cladding of a thin Ni-film to an aluminium alloy, Mater. Sci. Eng. A 280, 311-319.

  • Brasher DG and Butler DJ (1995); Explosive welding: principles and potentials. Adv Mater Process, 3, 37.

  • Nishida MH, Chibia A, Honda Y, Hirazumi J and Horikiri K (1995); Electron microscopy studies of bonding interface in explosively welded Ti/Steel clads. ISIJ Int, 35, 217.

  • Jaramillov D, Inal OT and Szecket A (1987); On the transtition from a waveless to a wavy interface in explosive welding. J Mater Sci, 22, 3143.

  • Acarer M, Gulenc¸ B, Findik F (2000); Study of some welding parameters of explosively joined steel parts. In: Meran C, editor. Proceedings of the 8th Denizli materials symposium, Denizli, Turkey.

  • Acarer M, Gulenc¸ B and Findik F (2001); Examination of cracks and fracture on interfaces of explosive welded metals by using tensile shear and bending test. In: Proceedings of the 5th international fracture conference, Firat University, Elazig, Turkey, 301-309.

  • Acarer M, Gulenc¸ B and Findik F (2003); Investigation of explosive welding parameters and their effects on microhardness and shear strength. Mater Des, 24(8), 659-664.

  • Kacar R and Acarer M (2003); Microstructure–property relationship in explosively welded duplex stainless steel-steel. Mater Sci Eng A, 363(1-2), 290-296.

  • Crossland (1982); Explosive Welding of Metals and Its Applications, Clarendon Press, Oxford.

  • Rao NV, Sarma DS, Nagarjuna S, Reddy GM (2011); Influence of hot rolling and heat treatment on structure and properties of HSLA steel explosively clad with austenitic stainless steel-Structure and Properties, Materials and design 32, 2496-2506.

  • Hui Z, Pingcang Li, Yinggong Z, Zhanghang H and Hunian W (2011); Study on the technology of explosive welding Incoloy 800H-SS304, Journal of Materials engineering and Performance, August, 20 (6), 911-917.

  • Kosec B, Kosec L, Cevnik G, Fajfar P, Gojic M, Anzel I (2004); Analysis of interface at explosive welded plates from low carbon steel and titanium, Metallurgia 43, 83-86.

  • Manikandan P, Hokamoto K, Fujita M, Raghukandan K and Tomoshige R (2008); Control of energetic conditions by employing interlayer of different thickness for explosive welding of titanium/304 stainless steel cladding, Journal of Materials Processing Technology 195, 232-240.

  • Findik F (2011); Recent developments in explosive welding. Mater Des, 32, 1081-93.

  • Durgutlu A, Okuyucu H and Gulenc B (2008); Investigation of effect of the stand-off distance on interface characteristics of explosively welded copper and stainless steel. Mater Des, 29, 1480-1484.

  • Durgutlu A, Gulenc B and Findik F (2005); Examination of copper/stainless steel joints formed by explosive welding. Mater Des, 26, 497-507.

  • Livne Z and Munitz A (1987); Characterization of explosively bonded iron and copper plates, J. Mater. Sci. 22,1495-1500.

  • http://www.twi-global.com/technical-knowledge/faqs/process-faqs/faq-what-is-explosive-cladding/, last accessed on 08-03-2017.

  • Acarer M and Demir B (2008); An investigation of mechanical and metallurgical properties of explosive welded aluminum-dual phase steel. Mater Lett, 62, 4158-4160.

  • Mamalis AG, Szalay A, Vaxevanidis NM and Pantelis DI (1994); Macroscopic and microscopik phenomena of nickel/titanium Shape memory bimetalic strips fabricated by explosive cladding and rolling, Mater. Sci. Eng. A 188, 267-275.

  • http://www.unipunch.com/Tech-Support/Charts/Material-Specifications, last accessed on 08-03-2017.

  • Acarer M, Gulenc¸ B and Findik F (2003); Investigation of explosive welding parameters and their effects on microhardness and shear strength. Mater Des, 24(8), 659-664.

  • Zimmerly CA, Inal OT and Richman RH (1994); Explosive welding of a near-equiatomic nickel–titanum alloy to low-carbon steel. Mater Sci Eng A, 188A(1–2), 251-254.


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  • Microstructure and Mechanical Properties of Explosive Weld Copper-Mild Steel Joint

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Authors

Mrityunjoy Hazra
Defence Metallurgical Research Laboratory, P.O. Kanchanbagh, Hyderabad-58, India
G. Madhusudhan Reddy
Defence Metallurgical Research Laboratory, P.O. Kanchanbagh, Hyderabad-58, India

Abstract


Mild steel and copper was joined with explosive welding using suitable parameters to obtain a copper-mild steel joint of high integrity. There was no diffusion, melting and formation of intermetallic zone between the bonded plates. An inter-mixed zone of the base materials is observed with a span of 1300 μm around the interface. Significant hardening and softening of the microstructure was observed on the copper and steel sides around the interface respectively by inter-mixing effect arising out of mechanical inter-locking. Shear strength of the joint (260 MPa) was quite higher with respect to that of the copper, the weaker metal of the copper-mild steel bimetal combination. Reasonably ductile shear failure occurred in the copper plate, and no failure was observed along the interface.

Keywords


Mild Steel, Copper, Explosive Weld Interface, Inter-Mixed Zone, Shear Strength.

References





DOI: https://doi.org/10.22486/iwj%2F2018%2Fv51%2Fi1%2F166440