Indian Welding Journal

Open Access Open Access  Restricted Access Subscription Access
Open Access Open Access Open Access  Restricted Access Restricted Access Subscription Access

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


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

   Subscribe/Renew Journal


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.
User
Subscription Login to verify subscription
Notifications
Font Size

  • 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.


Abstract Views: 692

PDF Views: 10




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

Abstract Views: 692  |  PDF Views: 10

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