Research Activity

Metallurgy

One of the special strengths of the Department is its exceptionally well defined relations with a variety of major metallurgical industries such as Isfahan Steel Mill and Mobarakeh Steel Complex. Therefore, as a result of the fact that Isfahan province plays a major role in industrialization of the country, the department's principle area of research interest is mainly related to the needs of the local and national metal industries

 

Process Metallurgy

The field concerns in both Industrial and Extractive Metallurgy and basically targets the treatments required for liquid metals in order to achieve quality evaluation and optimization.Research studies are comprised heat, mass and momentum transfer aspects in metallurgical engineering such as heat pipe technology, thermal analysis of alloys during solidification, kinetic dissolution of master alloys, study of rate controlling stages in multi-stage processes such as steelmaking, alloying etc.

Development of mathematical models and erection of some physical models are also of interest.

 

Solidification and casting of metals

Research on solidification and casting of metals is focused on advanced processing, characterization and computer simulation of non-ferrous and ferrous alloys. The main areas of interest currently undertaken includes semisolid processing (rheocasting, thixocasting and thixoforming), squeeze casting, ultrasonic treatment of the melt, cast metal matrix composites (vortex, compocast, infiltration and in-situ methods), hot-tearing susceptibility of cast alloys, reduction of auto-parts casting defects, directional solidification studies, optimization of cast-on–strap process for production of lead-acid auto-batteries, simulations of casting and foundry practices, real time study of solidification of transparent organic materials, …Below is the list of some of the equipment housed in the casting and solidification laboratories of the department:25 kg Induction furnace, different electric and fossil fuel furnaces, Rheocaster, Compocaster, ultrasonic sonicatore, 100 and 200 tones hydraulic presses, twin roll vertical caster, equipment for testing molding materials, reduced pressure test (RPT), directional solidification mold, different mixers, jolt-squeeze molding machine, pyrometer, …

 

Nanomaterials and metallic glasses

Research in the nanomaterials is focused on the fundamental and applied aspects of synthesis and characterization of nanomaterials and metallic glasses. Various approaches are used for processing including mechanichal alloying, mechanochemical processing, electromagnetic levitation gas condensation system, sole-gel, rapid solidification, friction stir processing, equal channel angular pressing and accumulative rolling. Specific research areas encompass;-Novel nanocomposites based on intermetallic compounds and ceramics -Al based nanocrystalline alloys reinforced by CNT and nanoparticles-Nanopowders-Nanostructured magnetic materials-Duplex amorphous-nanocrystalline coatings.

 

Thermomechanical Treatment

Thermomechanical behavior of High Strength Low alloy (HSLA) Steels, Interstitial Free (IF), and alloy steels are currently underway. Effect of elements like V, Al, Ti, Cu, and Zn on hot deformation characteristics of above mentioned materials is being evaluated. 

 

Corrosion and Corrosion Protection

Research is concentrated on anodizing and anodic processes, aqueous and localized corrosion, atmospheric degradation of materials, cathodic protection corrosion and protection of steel in concrete, corrosion inhibition, corrosion modeling and computer techniques, corrosion monitoring and testing, erosion-corrosion processes high temperature degredation processes, passivity of different alloys and coatings, protective coatings and surface treatments e.g. electroplating and electroless plating, non-metallic coatings, stress corrosion cracking and corrosion fatigue. The characteristics and behavior of dental materials are being studied. Corrosion behavior of commercial dental amalgams are being investigated by utilizing in vitro and invivo tests and their tarnish and corrosion and effect parameters have been evaluated.

 

Surface Engineering and Tribology

The effects of surface coatings on the friction and wear characteristics of different substrates are being studied under both unlubricated and lubricated conditions, using various home-built wear testing machines.

Novel intermetallic coatings on titanium, aluminum and ferrous alloys have been developed. Particular attention is being paid to the investigation of tribological behavior of these coatings. The morphology, microstructure and texture of coatings produced on surfaces are studied with reference to the wear of turbine and engine components, pinions, gears, clutch and breaks.

Studies are being made of the effect of tribosystem parameters, including, load and speed, on friction and wear properties of diffusion and codeposited coatings. 

 

Ceramics

Research is mainly focused on refractories used in metallurgical furnaces for steel industries. Other topics of interest in this area include mineralogy and phase analysis of raw materials, powder processing and fabrication techniques, characterization of industrial products such as refractories, cements, tiles, and whitewares . Ceramic Welding and high temperature synthesis of new materials by termite reactions.

 

Biomaterials and Nano-biomaterials

Research is focused on development and characterization of biomaterials, dental materials, and nano-biomaterials.The field of research consists of design, fabrication and characterization of metallic biomaterials, polymeric biomaterials, composite biomaterials, nano-biomaterials, nanostructured bioceramic powder and bioceramic coating for biomedical applications.Other topics of interest in this area include design, fabrication, and characterization of metallic coatings, composite coatings, and nanostructure coatings, design and preparation of nanostructured composite scaffold for tissue engineering and biomedical applications, development of surface engineering for improvement of biomaterials biocompatibility, evaluation of corrosion behavior and biocompatibility of metallic biomaterials, in vitro and in vivo evaluation of dental materials & biomaterials biocompatibility.

 

Combustion Synthesis of Advanced Materials

Combustion synthesis, also known as Self-propagating High temperature Synthesis (SHS) is a novel technique for production of high temperature ceramics, intermetallic and composite materials. Both fundamental and applied investigations on the SHS process are carried out. In particular, research works have been conducted on the synthesis of composite powders, used in thermal spraying and powder metallurgy. Current investigations are focused on the production and tailoring of nickel and iron based titanium-tungsten carbide composites.

 

Welding

Research is focused on welding processes used in industry.  Equipments include a Shielded Metal Arc Welding (SMAW) by AC and DC power sources, Gas Tungsten Arc Welding (GTAW), Gas Metal Arc Welding (GMAW), Resistance Spot Welding (RSW), oxyacetylene Welding (OAW). Students also test welds using both destructive and non-destructive methods. Current activities are:-Optimization of arc welding processes for different metals and alloys. -Evaluation of tensile properties of welded structures according to standard tests.-Evaluation of solidification cracking susceptibility by Varestraint test.-Evaluation of bending properties of weld metal according to standard tests. -Repair welding and hardfacing of different industrial parts.   

 

Office for Research Affairs

The primary mission of the Office for Research Affairs at department of materials engineering is to assist faculty members and students with available research funds, grant administration and application materials. It is the responsibility of the Office for Research Affairs to review and approve grant proposals and applications submitted by the faculty members to ensure compliance with the university guidelines.

The Office for Research Affairs is committed to facilating and co-ordinating effective relationship between the department research community and the commercial sector and industries.