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Article
Characteristics and Manufacturability of Duplex Stainless Steel: A Review
Duplex stainless steels (DSS) have been growing continuously as they are cost effective alternative to austenitic stainless steel with better mechanical and corrosion resistance. Duplex stainless steel composi...
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Article
Microstructural Changes in Hypoeutectic Al–Si Alloys by Low Shear and Vibration Induced Melt Conditioning Setup
In the present work, refinement of microstructure in hypoeutectic Al–Si alloys, i.e., A356 and Al–7wt%Si has been reported. One of the mechanical technique, melt conditioning, was used to refine the microstruc...
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Article
Coarsening Kinetics of Semi-solid A356–5wt%TiB2 in situ Composite
An attempt has been made to investigate the coarsening behaviour of semisolid A356–5wt%TiB2 in situ composite produced by Cooling slope casting. It was found that the average grain size of α-Al in the gravity-cas...
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Article
Effect of Strontium and Misch Metal on Al–14Si–3Mg Alloy
The individual and combined effect of Strontium and Misch metal on microstructure and properties of Al–14Si–3Mg alloy was investigated. Addition of 3 wt% Mg to Al–14Si alloy resulted in microstructure comprisi...
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Article
Effect of Cooling Slope Angle on Microstructure of Al-7Si Alloy
Attempts were made to obtain non-dendritic microstructure in Al-7Si alloy by pouring the melt on mild steel cooling slope. The melt was poured into the slope at different angles—15°, 30°, 45° and 60°. The pour...
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Article
Effect of Thixoforming on the Microstructure and Tensile Properties of A356 Alloy and A356-5TiB2 In-situ Composite
In the present work, A356 alloy and in situ A356-5TiB2 composite feedstock was produced by employing Cooling slope casting technique. The technique resulted in near spherical morphology of primary α-Al phase in t...
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Article
Solid fraction evolution characteristics of semi-solid A356 alloy and in-situ A356-TiB2 composites investigated by differential thermal analysis
The key factor in semi-solid metal processing is the solid fraction at the forming temperature because it affects the microstructure and mechanical properties of the thixoformed components. Though an enormous ...
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Article
Microstructure and Thermal Characterization of Plasma-Sprayed Nanostructured La2Ce2O7-Doped YSZ Coatings
Nanostructured La2Ce2O7-doped YSZ coatings were developed using atmospheric plasma-spraying technique by optimizing various process parameters. To ensure the retention of nanostructure, the molten state of nanoag...
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Article
Development of a novel hypereutectic aluminum-siliconmagnesium alloy for die casting
A novel hypereutectic die casting Al-Si-Mg alloy with relatively high Mg content was developed. The optimized microstructure of the alloy is characterized by a fine dispersion of eutectic Si and Mg2Si particles i...
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Article
Indentation characteristics of rapidly solidified Al-Cu-V and Al-Cu-Ti alloys
We report indentation characteristics of metallic glasses and nano-composites in Al-Cu-V as well as in Al-Cu-Ti systems. The melt spun ribbons of these alloys are employed to study the surface hardness charact...
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Article
A Mathematical Model to Predict Microstructure of Heat-Treated Steel
The dual effects of chemical composition and cooling rate on microstructural evolution were theoretically simulated extending the Johnson-Mehl equation for non-isothermal pro-eutectoid ferrite transformation k...