A5063002184- Advanced materials and composites
- Aluminum Alloys Composites Properties
- Intermetallics and Advanced Alloy Properties
- Metal Alloys Wear and Properties
- Bauxite Residue and Utilization
- Metallurgical and Alloy Processes
- Material Properties and Applications
- Engineering and Environmental Studies
- High Entropy Alloys Studies
- Metallic Glasses and Amorphous Alloys
- Thermodynamic and Structural Properties of Metals and Alloys
- Aluminum Alloy Microstructure Properties
- Metal and Thin Film Mechanics
- Powder Metallurgy Techniques and Materials
- Metallurgical Processes and Thermodynamics
Universidade Federal de Itajubá
2021-2024
The Vanadis® 8 is a tool steel used in the manufacture of dies, punches and tools. It has high carbon content combined with chromium, molybdenum vanadium, presents good performance its mechanical properties. Usually, chips obtained by machining are sold to companies that use remelting. However, this technique considered expensive harmful environment. Therefore, work aimed analyze efficiency addition vanadium carbide (VC) (Mo2C) energy ball milling steel. Microstructural analysis were...
In this paper, Fe-15at.%Nb alloys were produced from high purity Fe (min. 99.8%) and Nb powders via a mechanical alloying process. The effects of different Process Control Agents (i.e., methanol, hexane, stearic acid) investigated with powder morphologies, particle size distribution, phase formation, sampled after up to 80 milling hours at 350 rpm. morphologies sizes evaluated using scanning electron microscopy laser diffraction analysis, respectively, phases identified X-ray diffractometry....
Refractory multi-principal element alloys constitute a novel category of metallic materials, and they have good properties, particularly at elevated temperatures. Currently, casting powder metallurgy stand as the two predominant manufacturing routes. This study focuses on production W19.8Mo19.8Nb19.8Ti19.8Cr19.8Al1 (At. %) alloy via mechanical alloying process. Analyses morphology particle size distribution intervals 12, 24, 36, 48 hours milling showed gradual decrease in according to...
Vanadis®8 is a high-value tool steel, that undergoes gas atomization and hot isostatic pressing during production , resulting in costly waste. Repurposing this waste material through powder metallurgy (PM) offers cost-effective solution. This study explores the PM process applied to steel scraps, involving high energy ball milling, uniaxial pressing, sintering. The final product as-received underwent heat treatments, including quenching tempering. Microstructural evaluation employed X-ray...
The purpose of circular economy is to maximize resources efficiency. With the increase in consumption raw materials, energy and waste generation, recycling necessary for environmental industrial reasons. Thus, powder metallurgy, together with mechanical milling, stands as a new method scraps recycling. This study aimed produce UNS S31803 duplex stainless steel powders, vanadium carbide (VC) addition reinforcement, through milling. Different uniaxial compaction pressures (700, 800 900 MPa)...