Zobrazeno 1 - 10
of 37
pro vyhledávání: '"S, Kumaran"'
Publikováno v:
Transactions of the Indian Institute of Metals. 72:1631-1634
Corrosion behavior of cross (cold- and cryo-rolled) Mg–10Li–1.5Ca in 0.6 M NaCl was investigated. Cross-rolling was carried out to reduce the thickness to 50% at room temperature. Scanning electron microscopy study was conducted to understand str
Publikováno v:
Transactions of the Indian Institute of Metals. 72:1443-1446
In this present study, yttria (Y2O3)-dispersed W–Ni–Co alloys were developed in order to enhance mechanical properties and self-sharpening behaviour. Nano-Y2O3, nickel and cobalt powders were milled in high-energy ball milling. Subsequently, it w
Publikováno v:
Transactions of the Indian Institute of Metals. 72:1635-1638
Microstructure, mechanical and bio-corrosion behaviour of Mg–4Li–1Ca rolled at different temperatures was systematically investigated. The microstructure revealed variation in grain size and defect densities like twins and dispersion of Mg2Ca com
Publikováno v:
Journal of Alloys and Compounds. 773:752-761
Silicon-Germanium (SiGe) based alloys are the promising and an attractive thermoelectric candidate for radioisotope thermoelectric generators (RTGs) at high temperature (>1000 °C) application. Intensive efforts are being made to enhance the thermoel
Autor:
Sushant K. Manwatkar, T.T. Saravanan, M. Kamaraj, S.C. Sharma, A. Venugopal, S. Anoop, S. Kumaran, K.V. Ravikanth
Publikováno v:
Materials Letters. 308:131104
Spark plasma sintered hypereutectic Al-Si alloy, free from characteristic eutectic microstructure was evaluated for its mechanical and corrosion behaviour in comparison with conventional cast microstructure having coarser primary Si and acicular eute
Publikováno v:
Physica B: Condensed Matter. 622:413319
There is a need for an advanced and novel new generation thermoelectric materials with improved properties over conventional systems. This work describes the solid-state synthesis of mono-phase and high dense (>97%) nanocrystalline lead-tin-selenium-
Publikováno v:
Scripta Materialia. 146:344-348
The current work reports on the investigation of mechanisms involved during spark plasma assisted in-situ nano-crystalline magnesium silicide (Mg2Si) phase evolution and the simultaneous densification with the substantial increase of nano-structured
Autor:
V.V. Ravikumar, S. Kumaran
Publikováno v:
Anti-Corrosion Methods and Materials. 65:79-86
Purpose The purpose of this paper is to study the corrosion behaviour of Al-12Zn-3Mg-2.5Cu alloy by cast, precipitation hardening and non-isothermal step rolling cum cold/cryo rolling (−80 and −196°C) in 3.5 per cent NaCl solution. Design/method
Publikováno v:
Scripta Materialia. 143:35-39
This work reports on the successful attempt towards the swift synthesis of Silicon-Germanium (SiGe) alloy doped with phosphorus through spark plasma assisted transient liquid phase sintering. This proposed synthesis of homogeneous SiGe alloy warrants
Publikováno v:
Transactions of the Indian Institute of Metals. 70:855-860
This work reports on rapid alloying and nano-structuring of Si80Ge20 alloy by spark plasma sintering (SPS). Elemental silicon (Si) and germanium (Ge) powders were ball milled for 10 h under optimized process parameters. The alloying and densification