The influence of aluminium intermediate layer in dissimilar friction welds
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C. H. Muralimohan
, V. Muthupandi und K. Sivaprasad
Abstract
Friction welding of 304 austenitic stainless steel to commercially pure titanium was carried out using commercially pure aluminium as an interlayer of different thicknesses viz., 0.5, 1.1, 1.7 and 2.3 mm. The interlayer was aimed at preventing the occurrence of direct contact between the parent metals, which otherwise would lead to the formation of Ti-Fe intermetallic phases. These intermetallic phases can seriously affect the weld properties. The microstructure of the friction welded joint interfaces was characterized by means of optical microscopy, scanning electron microscopy, energy dispersive spectroscopy and X-ray diffraction analysis. The maximum hardness at the Ti – Al interface was attributed to the presence of AlTi and Al3Ti intermetallics. Tensile tests were conducted to evaluate the strength of the joints and the results showed the maximum strength (272 ± 9 MPa) was achieved in the joint having 1.7 mm thick interlayer. The analysis of fractured surfaces revealed that the failure was confined to the aluminium layer at the Ti – Al interface and was transgranular with flat facets.
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© 2014, Carl Hanser Verlag, München
Artikel in diesem Heft
- Contents
- Contents
- Original Contributions
- Microstructure and residual stresses of laser remelted surfaces of a hot work tool steel
- Dynamic observation of twin evolution during austenite grain growth in an Fe–C–Mn–Si alloy
- Hot ductility behavior of Incoloy901 superalloy in the cast and wrought conditions
- The influence of aluminium intermediate layer in dissimilar friction welds
- Effect of TiO2 in aluminum matrix on workability behavior of powder metallurgy composites during cold upsetting
- Approach to evaluation of the overall strengthening and toughening effect of continuous fiber-reinforced ceramic matrix composites
- The effect of SiC/Al2O3 particles used during FSP on mechanical properties of AZ91 magnesium alloy
- Studies on salt fog corrosion behavior of friction stir welded AA7075–T651 aluminum alloy
- Evaluation of corrosion performance of two Mn-containing stainless steel alloys
- Carbothermal synthesis of β-SiC powders from silicon and SiO2-coated carbon powders
- Synthesis and application of TiO2 nanotubes in environmental pollutant removal
- Mechanical properties of polyvinyl alcohol sponge under different strain rates
- Short Communications
- Effects of Al2O3 phase composition on AlON powder synthesis via aluminothermic reduction and nitridation
- Atomic group rotation mechanism of {1013} twinning in HCP materials
- Self-propagation high-temperature sintering of the Ti–Al–C-diamond/BN system
- People
- The German Materials Society congratulates its long-time Managing Director Dr. Peter Paul Schepp on the occasion of his 65th birthday
- Dr. Margarethe Hofmann-Amtenbrink on her 65th birthday
- DGM News
- DGM News
Artikel in diesem Heft
- Contents
- Contents
- Original Contributions
- Microstructure and residual stresses of laser remelted surfaces of a hot work tool steel
- Dynamic observation of twin evolution during austenite grain growth in an Fe–C–Mn–Si alloy
- Hot ductility behavior of Incoloy901 superalloy in the cast and wrought conditions
- The influence of aluminium intermediate layer in dissimilar friction welds
- Effect of TiO2 in aluminum matrix on workability behavior of powder metallurgy composites during cold upsetting
- Approach to evaluation of the overall strengthening and toughening effect of continuous fiber-reinforced ceramic matrix composites
- The effect of SiC/Al2O3 particles used during FSP on mechanical properties of AZ91 magnesium alloy
- Studies on salt fog corrosion behavior of friction stir welded AA7075–T651 aluminum alloy
- Evaluation of corrosion performance of two Mn-containing stainless steel alloys
- Carbothermal synthesis of β-SiC powders from silicon and SiO2-coated carbon powders
- Synthesis and application of TiO2 nanotubes in environmental pollutant removal
- Mechanical properties of polyvinyl alcohol sponge under different strain rates
- Short Communications
- Effects of Al2O3 phase composition on AlON powder synthesis via aluminothermic reduction and nitridation
- Atomic group rotation mechanism of {1013} twinning in HCP materials
- Self-propagation high-temperature sintering of the Ti–Al–C-diamond/BN system
- People
- The German Materials Society congratulates its long-time Managing Director Dr. Peter Paul Schepp on the occasion of his 65th birthday
- Dr. Margarethe Hofmann-Amtenbrink on her 65th birthday
- DGM News
- DGM News