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Article
Numerical Prediction of Ductile Fracture in Sn-5Sb Alloy Hot Deformation Based on Phenomenological Models and Finite Element Analysis
Hot deformation behavior of Sn-5Sb lead-free solder alloy is investigated within the temperature range of 300-400 K and strain rates between 0.0005 and 0.01 s−1. The thermomechanical characteristics of material i...
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Article
Solution combustion synthesis of ZnO powders using various surfactants as fuel
Single phase ZnO powders were synthesized by solution combustion method using various surfactants as fuel. The effects of hydrocarbon tail length on the combustion behavior, phase evolution, morphology, optica...
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Article
Facile synthesis of ZnO nanosheets as ultraviolet photocatalyst
ZnO powders were prepared by solution combustion synthesis method by means of sodium dodecyl sulfate (SDS) as fuel and SDS-citric acid mixed fuel at various fuel contents. Phase evolution studied by X-ray powd...
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Article
Quantitative Assessment of Dynamic Recovery Kinetics in Sn-5Sb Lead-Free Solder Alloy During Hot Working
The deformation behavior of Sn-5Sb alloys was investigated using isothermal hot compression at 300 K, 330 K, 360 K and 400 K and strain rates of 0.01 s−1, 0.005 s−1, 0.001 s−1 and 0.0005 s−1. The recorded true st...
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Article
Implementation of DSC analysis in reaction kinetics during heating of Ti–50 at.%Al powder mixture
In this study, the reactions in Ti–50 at.%Al powder mixture upon heating at constant heating rates were studied using DSC analysis. Heating up the mixture resulted in melting of aluminum at temperatures close ...
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Article
Incorporating the Johnson–Cook Constitutive Model and a Soft Computational Approach for Predicting the High-Temperature Flow Behavior of Sn-5Sb Solder Alloy: A Comparative Study for Processing Map Development
The high-temperature flow behavior of Sn-5Sb lead-free solder alloy has been investigated using isothermal hot compression experiments at 298 K to 400 K and strain rate between 0.0005 s−1 and 0.01 s−1. The flow s...
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Article
An investigation on the kinetics of lead recovery from smelting furnace slag using hydrochloric acid
With regard to the large amount produced from this type of slag in flash lead smelting furnace of Ghaniabad plant and considerable lead content of the slag, the recovery of lead is of prime importance. This re...
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Article
Effect of External Forced Flow and Boiling Film on Heat Transfer of AISI 4140 Steel Horizontal Rod During Direct Quenching
The effects of rod falling and moving, external flow field, boiling film and radiation were investigated on fluid flow and heat transfer of AISI 4140 steel horizontal rod during direct quenching by mathematica...
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Article
Physical simulation of hot deformation and microstructural evolution for 42CrMo4 steel prior to direct quenching
Direct quenching and tempering (DQ-T) of hot rolled steel section has been widely used in steel mill for the sake of improvement of mechanical properties and energy saving. Temperature history and microstructu...
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Article
Effect of ball milling on reaction between TiO2 and Al
Titanium Aluminide based composites with Al2O3 reinforcement can be produced via reaction of Al with TiO2. These composites are considered as low price materials for high temperature applications. In this researc...
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Article
A low-temperature combustion synthesis process for production of Ti from TiO2
Calciothermic reduction of titanium dioxide is suggested as an alternative to the conventional Kroll process for production of metallic titanium. In this study, a simple reactor was used to carry out the react...
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Article
Effect of Mechanical Activation on the Packed-Bed, High-Temperature Behavior of Hematite and Graphite Mixture in Air
The present study reports the effect of mechanical activation on the reaction behavior of the Fe2O3/C powder mixture at high temperature under air atmosphere. Hematite and graphite were ground up to 150 hours usi...
