Advanced Materials and Processes Research Institute
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Sintered Aluminium Alloys in Automobile Applications.
No full textThe consideration of quality, miniaturization and lightness of automobile parts, resulting in fuel conservation in automobiles, has focused attention on aluminium alloys. In this paper, an attempt has been made to indicate a number of present and possible future applications of aluminium alloys for the manufacture of components through the powder metallurgical routes
Microstructural Mechanical and Magnetic Properties of High-Strength Low-alloy Steel,” Magnetism & Magnetic Materials.
No full textStudies have been carried out on commercial grade high-strength low-alloy steel, microalloyed with Nb, V and Ti with a view to developing high-strength material with moderate soft magnetic properties. In order to obtain a suitable microstructure necessary for achieving the desired mechanical strength and magnetic properties, spheroidisation annealing (SA) as well as quenching and tempering (QT) treatments have been employed. At longer annealing or tempering time (⩾ 30 h), both the SA and QT samples have shown ample spheroidisation of carbides resulting in considerable improvement in the magnetic properties without much deterioration in mechanical strength.\u
Mechanical Behaviour of Mica-glass-epoxy Composite Insulation Tape – An Experimental Study.
No full text
Influence of Solutionizing Temperature and Duration on the Microstructure and Properties of a Hypereutectic Aluminium-Silicon Alloy-Graphite Composite
No full textTemp. And strain rate effects on tensile behaviour of Al-Mg-2.5 gr. Particulate composite.
No full textTribology of Al-Si Alloy Graphite composites: Tribo induced Graphite films and the role of silicon morphology
No full textAlSi (LM6) alloy and 3 wt.% graphite particle composites were synthesised using a solidification processing technique. The morphology of silicon was altered by sodium modification and heat treatment. Wear tests were conducted under dry and partially liquid lubricated conditions using a pin-on-disc wear test apparatus. Wear surfaces and debris were examined by scanning electron microscopy. Under both dry and partially liquid lubricated conditions, the performance of heat-treated composites was found to be superior to the rest. Wear surfaces of heat-treated composites showed the presence of patchy layers of graphite. The role of silicon morphology in the formation of triboinduced graphite films is explaine
Activated Sintered 6061 Aluminium Alloy Particulate Composites Containing Coated Graphite
No full text6061 Al alloy-graphite particulate composites developed as antifriction materials lack inadequate bonding. In the present investigation, copper coating over graphite particles was carried out by an electroless deposition method. As is well known, the Al-Cu system undergoes liquid phase sintering. The liquid phase formed by eutectic reaction spreads into the surrounding voids of the compacts by capillary force, thus enhancing sinterability. The positive role of copper coating on the 6061 alloy matrix after sintering was apparent by WDXS mapping for Cu Kα. The results also describe changes in mechanical as well as electrical properties after such coatings, apart from the densification response
Annual Progress Report 1990
No full textAnnual Progress Report of Regional Research Laboratory, Bhopal for the year 199
