i-manager's Journal on Material Science (JMS)


Volume 7 Issue 4 January - March 2020

Research Paper

Copper Slag as a Sustainable Fine Aggregate in Concrete at Elevated Temperature

Binaya Patnaik* , Seshadri Sekhar T.**, Temesgen Gebreyesus ***
* Department of Civil Engineering, Gambella Univeristy, Ethiopia.
** National Institute of Construction Management and Research, Hyderabad, India.
*** College of Engineering, Wolaita Sodo University, Ethiopia.
Patnaik, B., Sekhar, T. S., & Gebreyesus, T. (2020). Copper Slag as a Sustainable Fine Aggregate in Concrete at Elevated Temperature, i-manager's Journal on Material Science, 7(4), 1-7. https://doi.org/10.26634/jms.7.4.16210

Abstract

River sand is the common form of fine aggregate used in the making of concrete mixture. To meet the high demand of river sand by the builders and construction industry in this fast urbanization age, river beds are mined for sand and it is depleted at a faster pace, which in turn causes substantial negative effect on our environment. So it is highly important to find alternative form of fine aggregates for meeting the large demand without distressing our ecosystem. Copper slag is one among various sustainable materials having a promising future as a substitute for river sand. This article presents a study on identifying the optimum percentage of copper slag to be used as a fine aggregate by partially replacing sand in the making of the concrete. Also, as part of durability aspects study, the impact of higher temperature of 200 °C, 400 °C, and 600 °C for 4 hours exposure time on concrete with optimum percentage of copper slag has been presented and has been compared with normal concrete. The results show that copper slag concrete has better resistance to strength loss and weight loss at a higher temperature of 200 °C, 400 °C in comparison with normal concrete, but at 600 °C copper slag concrete displays similar trends comparable to normal concrete. In the present experimental investigation, M30 concrete grade was used.

Research Paper

Comparative Analysis of Corrosion Behaviour of Stainless Steel Grades 304 and 316L for Different Applications

Gourav Choudhary* , Gurpreet Singh**
*-** Department of Mechanical Engineering, Punjabi University, Patiala, Punjab, India.
Choudhary, G., & Singh, G. (2020). Comparative Analysis of Corrosion Behaviour of Stainless Steel Grades 304 and 316L for Different Applications, i-manager's Journal on Material Science, 7(4), 8-22. https://doi.org/10.26634/jms.7.4.16094

Abstract

The present work investigates the corrosion behaviour of SS 304 and SS 316L used for beverage containers, boat propellers, and bio-implants. Electrochemical Impedance Spectroscopy and Potentiodynamic Polarization Measurement test were performed to determine the corrosion behaviour of substrates at room temperature. X-Ray Diffraction (XRD) and Scanning Electron Microscopy (SEM) analysis were used to investigate the characterization and morphology of the substrates. The electrochemical study showed that the order of corrosion resistance of 304 SS and 316L in different electrolytes was Ringer solution > Wine > Beer > 3.5% NaCl solution and Ringer solution > Beer > Wine > 3.5% NaCl, respectively. After electrochemical corrosion testing, substrates were examined by XRD and SEM to reveal their crystallite size and pits quantity.

Research Paper

Characterization of Brinell Hardness, Impact Toughness and Sliding Wear Resistance Properties of Al5Mg5Zn /WO3-P Metal Matrix Composite

Murlidhar Patel* , Bhupendra Pardhi**, Sushanta Kumar Sahu***, Mukesh Kumar Singh****
*-** Department of Mechanical Engineering, Guru Ghasidas Vishwavidyalaya, Bilaspur, Chhattisgarh, India.
*** Department of Mechanical Engineering, National Institute of Science and Technology, Berhampur, Odisha, India.
**** Department of Industrial and Production Engineering, Guru Ghasidas Vishwavidyalaya, Bilaspur, Chhattisgarh, India.
Patel, M., Pardhi, B., Sahu, S. K., & Singh, M. K. (2020). Characterization of Brinell Hardness, Impact Toughness and Sliding Wear Resistance Properties of Characterization of Brinell Hardness, Impact Toughness and Sliding Wear Resistance Properties of Al5Mg5Zn /WO3-P Metal Matrix Composite-P Metal Matrix Composite, i-manager's Journal on Material Science, 7(4), 23-29. https://doi.org/10.26634/jms.7.4.16125

Abstract

In this research work, 3 wt % of tungsten trioxide (WO3) particulates are used to reinforce the Al5Mg5Zn alloy. For the development of this particulate, reinforced Al metal matrix composite, two step stir casting processing route is used due to its simplicity and cost effectiveness. The Brinell hardness, impact toughness, and sliding wear resistance properties of the casted Al5Mg5Zn alloy and developed Al5Mg5Zn + 3%WO3 composite are investigated according to ASTM standards and their results are compared. The worn surfaces of the test sample are analysed by using optical microscopy to obtain the pattern of the dry sliding wear. The results show that the addition of 3 wt % WO3 particulates improved the hardness and sliding wear resistance of the Al5Mg5Zn alloy and diminished the value of impact toughness.

Research Paper

Mechanical Behaviour of Aluminium (Al 6061) Metal Matrix Composites Reinforced With Al2O3 and SiC

M. N. V. Ramesh * , A. Sai Suresh**, A. Satish Kumar***, B. Sasi Kanth ****, J. Yathish Kumar*****
*-***** Department of Mechanical Engineering, Nalla Malla Reddy Engineering College, Hyderabad, Telangana, India.
Ramesh, M. N. V., Suresh, A. S., Kumar, A. S., Kanth, B. S., & Kumar, J. Y. (2020). Mechanical Behaviour of Aluminium (Al 6061) Metal Matrix Composites Reinforced With Al2O3 and SiC, i-manager's Journal on Material Science, 7(4), 30-36. https://doi.org/10.26634/jms.7.4.14830

Abstract

Metal Matrix Composites (MMCs) are emerging as vital engineering materials due to their specific strength, ductility, toughness etc. As the demand for high specific strength materials is increasing day by day, Aluminium matrix can be strengthened by reinforcing with hard ceramic particles like Silicon Carbide (SiC), Aluminium Oxide (Al2O3) etc. In the present study, aluminium metal matrix composites were made by reinforcing with SiC and Al O particles using stir casting route. The mechanical properties such as hardness, strength, density, electrical conductivity and chemical analysis of the unreinforced Al and Al+15% SiC/ Al+15% Al2O3 / Al+10% SiC+5% Al2O3 (wt%) reinforced composites were examined. The micro structural characterization of the composites was studied with metallurgical microscope. It was observed that the hardness and compressive strength were increased, where as the density and elongation were decreased with the reinforcement in base aluminium composite.

Research Paper

Preparation of Sodium Beta-Alumina Using Combustion Synthesis

Minakshi A. Kale* , S. A. Kale**, C. P. Joshi***, S. V. Moharil****
* Department of Applied Physics, Dr. Babasaheb Ambedkar College of Engineering & Research, Nagpur, Maharashtra, India.
** Department of Electrical Engineering, Dr. Babasaheb Ambedkar College of Engineering & Research, Nagpur, Maharashtra, India.
*** Department of Physics, Ramdeobaba College of Engineering & Management, Nagpur, Maharashtra, India.
**** Department of Physics, RTM Nagpur University, Nagpur, Maharashtra, India.
Kale, M. A., Kale, S. A., Joshi, C. P., & Moharil, S.V. (2020). Preparation of Sodium Beta-Alumina using Combustion Synthesis, i-manager's Journal on Material Science, 7(4), 37-41. https://doi.org/10.26634/jms.7.4.15552

Abstract

The present work is on the study of Na β-Al 2O3, a ceramic that belongs to a family of oxides exhibiting fast-ionic conductivity. Na β-Al2O3 has the best solid electrolyte properties. This material is appropriate for use in electronic devices. NaAl 7O11, NaAl11O17, and Na2MgAl10O17 are well known three compounds in the system of Sodium beta-alumina ceramics. NaAl7O11, Na2 MgAl10O17, and NaAl11O17 compounds were prepare by combustion method in a single step. Attempts to synthesize NaAl11O17 by combustion synthesis failed. Metal nitrates as oxidizer and urea as a fuel are the starting material for preparation of these compounds. The method used is combustion synthesis, which is feasible, low cost, and a time saving method. Among the three compounds used in this study, NaAl7 O11 and Na2MgAl10O17 show better results. NaAl11O17 doped with rare earth ions like Cerium and Europium could be achieved.

Review Paper

Performance Testing of Ceramic Metal Composites: A Review

Smita Mekalke* , Jagadeeshgouda Kendannavar **, Raghuraj Rao ***
* Department of Mechanical Engineering, Jain College of Engineering, Belagavi, India.
** Department of Mechanical Engineering, S. G. Balekundri Institute of Technology, Belagavi, India.
*** AXKA Tech Pvt. Ltd., Kolhapur, India.
Mekalke, S., Kendannavar, J., & Rao, R. (2020). Performance Testing of Ceramic Metal Composites: A Review, i-manager's Journal on Material Science, 7(4), 42-50. https://doi.org/10.26634/jms.7.4.15866

Abstract

Ceramic-metal composites are made of ceramics and metals, termed as cermets. Unlike conventional metal matrix composites or ceramic matrix composites, which come bearing technical limitations in their field of applications, cermets have improved mechanical, tribological, and thermal properties. In the present work, an attempt is being made to compare the ceramic-metal composites with the traditional ceramic matrix and metal matrix composites with respect to their mechanical performances. This paper also explores the development, behaviour and use of cermets for extreme engineering applications. Further, efforts have been made to review the works done on cermets with respect to their manufacturing process and the properties affected by different process. Scope for further investigation on cermets with respect to optimization of ceramic-metal composite is carried out by identifying gaps in the past research.

Review Paper

Brake Friction Materials - A Review

Naresh Kumar Konada* , K. N. S. Suman **
* Department of Mechanical Engineering, Anits Engineering College, Visakhapatnam, Andhra Pradesh, India.
** Department of Mechanical Engineering, Andhra University, AU College of Engineering, Visakhapatnam, Andhra Pradesh, India.
Konada, N. K., & Suman, K. N. S. (2020). Brake Friction Materials - A Review, i-manager's Journal on Material Science, 7(4), 51-65. https://doi.org/10.26634/jms.7.4.15520

Abstract

Friction materials present in an automobile breaking system is mainly responsible for controlling the automobile during running conditions. In recent years, with innovations in automobile sector, advancements in newly designed automobiles with varying design and high speeds are being launched in the markets, demanding prime challenges for the braking system designers to control the speed of the vehicle. After the phasing out asbestos as a brake friction material by many countries in the world, due to its carcinogenic property, automobile brake friction industry and researchers are looking for suitable alternatives to replace asbestos as friction material. This paper reviews several researches in this field and enables researchers to identify proper friction material responsible for stabilization of coefficient of friction and wear rate. This paper also gives an overview of the role of fiber, binder, and filler materials in improving the coefficient of friction. Finally, the effect of operating parameters, such as speed, temperature, pressure, and velocity on friction materials is studied.