Browsing Department of Metallurgical Engineering by Issue Date

Browsing Department of Metallurgical Engineering by Issue Date

Sort by: Order: Results:

  • Undercooling studies on dispersed bismuth droplets 
    Chaubey, S.; Singh, V.; Ramachandrarao, P. (Springer India, 987-11)
    In the zinc-bismuth system, a monotectic reaction occurs at 689 K and 0·6 at.% Bi composition. Rapid solidification of the as-cast monotectic alloy led to a micromorphology in which bismuth was uniformly and bimodally ...
  • Electrical transport in two-phase mixtures 
    Tare, V.B. (Springer India, 1986-04)
    There is considerable interest in the electrical transport in two-phase systems because of their possible technological applications. This paper describes the recent data obtained on the effect of different types of ...
  • Bainite Structures in 0.2C-3.6M Steel 
    Joarder, A.; Sarma, D.S. (1991)
    The microstructures of a 0.2C-3.6Ni steel are studied after isothermal transformation over a temperature range of 600–400°C after different times up to 10 ks at each temperature. It was observed that the transformation at ...
  • Microstructure and wear characteristics of an Al-4Cu-20Pb alloy produced by spray deposition 
    Ojha, S.N.; Pandey, O.P.; Kumar, M.; Ramachandra, C.; Tripathi, B. (1992)
    Al–4Cu–20Pb alloy was spray deposited at a gas pressure of 1.4 MPa and melt flow rate of 1.6 kg min−1. The microstructure of the preform exhibited equiaxed morphology with grain size varying from 20–25 μm. Uniform distribution ...
  • Effect of Reduction Rate on the Swelling Behaviour of Iron Ore Pellets 
    Sharma, T.; Gupta, R.C.; Prakash, B. (1992)
    In the present investigation an attempt has been made to determine the effect of reduction rate on the swelling behaviour of iron ore pellets. For this purpose two Indian iron ore fines from Bailadila and Noamundi deposits ...
  • Microstructure of Stircast Al—Pb Metal-Metal Composites 
    Mohan, S.; Agarwala, V.; Ray, S. (1992)
    Stircast Al-Pb Metal-Metal composites have been produced at a high rotational speed of 53 s-1 with different lead contents and with the same lead content but different rotational speeds of 53, 37 and 25 s-1 in a stircasting ...
  • Effect of Firing Condition and Ingredients on the Swelling Behaviour of Iron Ore Pellets 
    Sharma, T.; Prakash, B. (1993)
    In the present investigation an attempt has been made to determine the effect of firing temperature, firing time and ingredients/additives (CaO, MgO, SiO2, Al2O3) on the swelling behaviour of iron ore pellets. For this ...
  • Fe-Cr Melt Nitrogenation WhenExposedto Nitrogen Plasma 
    O. P. SINHA; R. C. GUPTA (1993-02-25)
    The nitrogen absorption/desorption for pure iron and Fe-C alloys have been investigated in detail in levitated melts. However, Iimited study seemsto be madewhile molten Fe-Cr alloy is exposedto nitrogen plasma. Nitrogen ...
  • Fe-Cr Melt Nitrogenation When Exposed to Nitrogen Plasma 
    Sinha, O.P.; Gupta, R.C. (1994)
    The nitrogen absorption/desorption for pure iron and Fe-C alloys have been investigated in detail in levitated melts. However, limited study seems to be made while molten Fe-Cr alloy is exposed to nitrogen plasma. Nitrogen ...
  • Note Nitrogen Absorption Rate under Plasma Arc Compared to Resistance and Induction Melting 
    Sinha, O.P.; Gupta, R.C. (1994)
    Nitrogen Absorption Rate under Plasma Arc Comparedto Resistance and Induction Melting
  • Resistivity studies of melt spun and annealed Al-Mn-Fe-Si multiply twinned samples 
    Singh, K.; Bahadur, D.; Sastry, G.V.S. (Springer India, 1995-04)
    The quaternary Al75Mn10Fe5Si10 alloy was synthesized by induction melting, melt spinning and subsequent annealing. The melt spun sample shows the multiply twinned nodular-type microstructure. These plates surround an ...
  • Interfaces in icosahedrally related structures: problems and prospects 
    Mandal, R.K. (Indian Acad of Sciences, 1999-05)
    Icosahedral quasicrystals are frequently observed to coexist with their related phases like pentagonal/decagonal quasicrystals and rational approximant structures. Owing to this, they have common interfaces. The crystallography ...
  • Composite pre-reduced pellet quality as affected by reductant reactivity 
    Gupta, R.C.; Misra, S.N. (Iron and Steel Institute of Japan, 2001)
    The composite pre-reduced (CPR) pellets have been developed to utilise steel plant waste fines (eg. Iron ore, flue dust, mill scale, coke, coal, lime etc.) into value added product suitable for blast furnace feed as ...
  • Precipitate dissolution and grain growth in the heat affected zone of HSLA-100 steel 
    Shome, M.; Sarma, D.S.; Gupta, O.P.; Mohanty, O.N. (Iron and Steel Institute of Japan, 2003)
    An attempt has been made to predict the dissolution of Nb(CN) precipitates in the heat affected zone (HAZ) of a Nb containing HSLA-100 steel. An invariant size approximation model along with existing solubility product ...
  • The Effect of Additives and Reductants on the Strength of Reduced Iron Ore Pellet 
    Gupta, R.C.; Gautam, J.P. (Iron and Steel Institute of Japan CODEN, 2003)
    The higher strength of directly reduced iron (DRI) in pellet form is useful in handling, storing and charging from height without breakage. The DRI pellets commonly exhibit 60 kg cold crushing strength. In this work the ...
  • Water hyacinth char addition in iron ore pellet: An exploratory study 
    Gupta, R.C.; Gautam, J.P.; Mohan, S. (Iron and Steel Institute of Japan, 2003)
    The utilization of water hyacinth as an additive in the preparation of iron ore pellets was investigated. The prepared pellets, fired for particular time and temperature, were tested via cold crushing strength (CCS) ...
  • Existence domains for invariant reactions in binary regular solution phase diagrams exhibiting two phases 
    Sarma, B.N.; Prasad, S.S.; Vijayvergiya, S.; Kumar, V.B.; Lele, S. (Indian Academy of Sciences, 2003-06)
    The thermodynamic origin of various types of phase diagrams in simple binary systems exhibiting two phases (e.g. a liquid and a solid phase) has been examined using the regular solution model. The necessary conditions for ...
  • Oxidation behaviour of the near α-titanium alloy IMI 834 
    Srinadh, K.V.S.; Singh, V. (Indian Academy of Sciences, 2004-08)
    Oxidation behaviour of the near α-titanium alloy IMI 834 was investigated over a range of temperatures, from 600-800°C, in air. Specimens were solution-treated in the α + β and β phase fields for 1 h and 1/2 h, respectively ...
  • DRI apparent density and its strength 
    Gupta, R.C.; Shaik, A.A. (2005)
    The cold crushing strength (CCS) of directly reduced iron (DRI) with its apparent density was correlated. Two different types of DRI were tested which included the iron ore pellets reduced in the bed of carbonaceous ...
  • Estimation of CE-CVM energy parameters from miscibility gap data 
    Gupta, G.S.; Madhav, G.V.; Pandey, A.; Sarma, B.N.; Lele, S. (Indian Academy of Sciences, 2005-04)
    The powerful framework of cluster expansion-cluster variation methods (CE-CVM) expresses alloy free energy in terms of energy (model) parameters, macroscopic variables (composition and temperature) and microscopic variables ...

Search in IDR


Advanced Search

Browse

My Account