Items where Author is "Alex, T C"

Article

Alex, T C and Singla, Rashmi and Sahoo, D P and Mehta, K D and Kumar , Sanjay (2025) Avenues of resources efficiency enhancement in iron and steel production. Minerals Engineering, 222 .

Singla, Rashmi and Mishra, T and Alex, T C and Kumar, Sanjay (2024) Inorganic-organic hybrid geopolymers: evolution of molecular and pore structure, and its effect on mechanical and fire-retardant properties. Materials and Structures, 57(10) .

Ambashta, R D and Alex, T C and Single, R and Sahoo, D P and Sarkar, P S and Bajpai, R K and Shivakumar, Y C and Manohar, S and Kumar , Sanjay (2024) Evaluation of Different Fly Ash-Blast Furnace Slag Formulations for Design of Geopolymers in Radioactivity Disposal Applications. Transactions of The Indian Ceramic Society, 83(3) . pp. 178-187.

Greifzu, G and Alex, T C and Kailath, A J and Senna, Mamoru and Stelter, Ing. Michael and Kumar, Rakesh (2024) Influence of Genesis on Mechanochemical Activation and Reactivity of Boehmite Prepared by Thermal and Hydrothermal Transformation of Gibbsite. Metallurgical and Materials Transactions B-Process Metallurgy and Materials Processing Science .

Kumar, Rakesh and Alex, T C (2023) Phase stability and role of mechanical activation in the chemical beneficiation of red mud. Journal of Thermal Analysis and Calorimetry, 148 . pp. 9813-9827.

Eticha, Z G and Alex, T C and Olu, F E and Yimam, A and Alemayehu, E (2023) Effects of doping iron on the colouring properties of copper chromate pigment. Bulletin of Materials Science, 46(2) .

Singla, Rashmi and Senna, Mamoru and Mishra, T and Alex, T C and Kumar, Sanjay (2022) High strength metakaolin/epoxy hybrid geopolymers: Synthesis, characterization and mechanical properties. Applied Clay Science, 221 .

Alex, T C and Mucsi, G and Venugopalan, T and Kumar, Sanjay (2021) BOF Steel Slag: Critical Assessment and Integrated Approach for Utilization. Journal of Sustainable Metallurgy .

Singla, Rashmi and Kumar, Sanjay and Alex, T C (2020) Reactivity Alteration of Granulated Blast Furnace Slag by Mechanical Activation for High Volume Usage in Portland Slag Cement. Waste and Biomass Valorization, 11 (IF-2.851). pp. 2983-2993.

Chakladar, S and Chakravarty, S and Mohanty, Ashok and Alex, T C and Kumar, Sanjay (2020) Quality improvement of heat altered coals: A preliminary feasibility study. Environmental Technology & Innovation, 18 (IF-2.800). p. 100764.

Singla, Rashmi and Alex, T C and Kumar, Rakesh (2020) On mechanical activation of glauconite: Physicochemical changes, alterations in cation exchange capacity and mechanisms. Powder Technology, 360 (IF-4.142). pp. 337-351.

Alex, T C and Kailath, A J and Kumar, Rakesh (2020) Al-Monohydrate (Boehmite) to Al-Trihydrate(Bayerite/Gibbsite) Transformation During High-Energy Milling. Metallurgical and Materials Transactions B, 51 (IF-1.874). pp. 443-451.

Kumar, Rakesh and Kumar, Sanjay and Alex, T C and Singla, Rashmi (2019) Mapping of calorimetric response for the geopolymerisation of mechanically activated fly ash. Journal of Thermal Analysis and Calorimetry, 136(3) . pp. 1117-1133.

Singla, Rashmi and Kumar, Sanjay and Alex, T C (2019) Reactivity Alteration of Granulated Blast Furnace Slag by Mechanical Activation for High Volume Usage in Portland Slag Cement. Waste and Biomass Valorization . pp. 1-11.

Kumar, Rakesh and Kumar, Sanjay and Alex, T C and Singla, Rashmi (2018) Mapping of Calorimetric Response for the Geopolymerisation of Mechanically Activated Fly ash. Journal of Thermal Analysis and Calorimetry (IF-2.209). pp. 1-17.

Alex, T C and Kumar, Rakesh (2017) Surface and bulk activation of a siliceous bauxite during attrition milling. International Journal of Mineral Processing, 160 (IF-1.518). pp. 32-38.

Nath, S K and Rajshekhar, Y and Alex, T C and Venugopalan, T and Kumar, Sanjay (2017) Evaluation of the Suitability of Alternative Binder to Replace OPC for Iron Ore Slime Briquetting. Transactions of the Indian Institute of Metals, 70(8) (IF- 0.533). pp. 2165-2174.

Rajshekhar, Y and Alex, T C and Sahoo, D P and Babu, G A and Balakrishnan, V and Venugopalan, T and Kumar, Sanjay (2016) Iron ore slime as an alternate coolant in steelmaking: Performance evaluation at commercial scale. Journal Of Cleaner Production, 139 (IF- 5.715). pp. 886-893.

Alex, T C and Kumar, Rakesh and Roy, S K and Mehrotra, S P (2016) Mechanical Activation of Al-oxyhydroxide Minerals–A Review. Mineral Processing and Extractive Metallurgy Review, 37(1) (IF-1.219). pp. 1-26.

Mehrotra, S P and Alex, T C and greifzu, G and Kumar, Rakesh (2016) Mechanical Activation of Gibbsite and Boehmite: New Findings and their Implications. Transactions of the indian institute of metals, 69(1) (IF-0.533). pp. 51-59.

Kumar, Rakesh and Alex, T C (2015) Elucidation of the Nature of Structural Heterogeneity During Alkali Leaching of Non-activated and Mechanically Activated Boehmite (gamma-AlOOH). Metallurgical and Materials Transactions B- Process Metallurgy and Materials Processing Science, 46(4) . pp. 1684-1701.

Shakhtshneider, T P and Myz, S A and Nizovskii, A L and Kalinkin, A V and Boldyrev, V V and Alex, T C and Kumar, Rakesh (2014) Effect of the Selected Inorganic Carriers on the Properties of Mechanocomposites with Drugs. Doklady Chemistry, 456(2) (IF-0.351). pp. 98-102.

Alex, T C and Kumar, Rakesh and Roy, S K and Mehrotra, S P (2014) Towards ambient pressure leaching of boehmite through mechanical activation. Hydrometallurgy, 144 (IF-2.224). pp. 99-106.

Alex, T C (2014) An insight into the changes in the thermal analysis curves of boehmite with mechanical activation. Journal of Thermal Analysis and Calorimetry, 117 (IF-2.206). pp. 163-171.

Alex, T C and Kumar, Rakesh and Roy, S K and Mehrotra, S P (2014) Mechanically induced reactivity of gibbsite: Part 1. Planetary milling. Powder Technology, 264 (IF-2.269). pp. 105-113.

Alex, T C and Kumar, Rakesh and Roy, S K and Mehrotra, S P (2014) Mechanically induced reactivity of gibbsite: Part 2. Attrition milling. Powder Technology, 264 (IF-2.269). pp. 229-235.

Alex, T C and Kalinkin, A M and Nath, S K and Gurevich , B I and Kalinkina, E V and Tyukavkina, W and Kumar, Sanjay (2013) Utilization of zinc slag through geopolymerization: Influence of milling atmosphere. International Journal of Mineral Processing, 123 (IF-1.378). pp. 102-107.

Kalinkin, A M and Alex, T C and Nath, S K and Gurevich, B I and Kalinkina, E V and Tyukavkina, V V (2013) Geopolymers Based on Mechanically Activated Non-Ferrous Slags. Chemistry for Sustainable Development, 6 (IF-). pp. 647-655.

Alex, T C and Kumar, Rakesh and Roy, S K and Mehrotra, S P (2013) Leaching behaviour of high surface area synthetic boehmite in NaOH solution. Hydrometallurgy, 137 (IF-2.169). pp. 23-32.

Kumar, Sanjay and Sahoo, D P and Nath, S K and Alex, T C and Kumar, Rakesh (2012) From Grey Waste to Green Geopolymer. Science and Culture, 78(11-12) . pp. 511-516.

Kalinkin, A M and Kumar, Sanjay and Gurevich , B I and Alex, T C and Kalinkina, E V and Tyukavkina, W and Kalinnokov, V T and Kumar, Rakesh (2012) Geopolymerization behavior of Cu-Ni slag mechanically activated in air and in CO2 atmosphere. International Journal of Mineral Processing, 112 . pp. 101-106.

Alex, T C and Sasikumar, C and Kailath, A J and Kumar, Rakesh and Roy, S K and Mehrotra, S P (2011) Analysis of Mechanically Induced Reactivity of Boehmite Using Kinetics of Boehmite to gamma-Al2O3 Transformation. Metallurgical and Materials Transactions B-Process Metallurgy and Materials Processing Science, 42 (3). pp. 592-603.

Alex, T C and Kumar, Rakesh and Roy, S K and Mehrotra, S P (2011) Anomalous reduction in surface area during mechanical activation of boehmite synthesized by thermal decomposition of gibbsite. Powder Technology, 208 (1). pp. 128-136.

Kailath, A J and Dutta, K and Alex, T C and Mitra, A (2011) Crystallization Study of Cu56Zr7Ti37 Metallic Glass by Electrical Resistivity Measurement. Journal of Materials Science and Technology, 27 (3). pp. 275-279.

Kumar, M and Srikanth, S and Ravi Kumar, B and Alex, T C and Das, Swapan K (2009) Synthesis of pure and Sr-doped LaGaO3, LaFeO3 and LaCoO3 and Sr,Mg-doped LaGaO3 for ITSOFC application using different wet chemical routes. Materials Chemistry and Physics, 113 (2-3). pp. 803-815.

Kumar, Sanjay and Kumar, Rakesh and Bandopadhyay, A and Alex, T C and Ravi Kumar, B and Das, Swapan K and Mehrotra, S P (2008) Mechanical activation of granulated blast furnace slag and its effect on the properties and structure of portland slag cement. Cement and Concrete Composites, 30 (8). pp. 679-685.

Alex, T C and Kumar, Rakesh and Roy, S K and Mehrotra, S P (2008) Stirred bead mill grinding of gibbsite: Surface and morphological changes. Advanced Powder Technology, 19 (5). pp. 483-491.

Kumar, Sanjay and Kumar, Rakesh and Alex, T C and Bandopadhyay, A and Mehrotra, S P (2007) Influence of reactivity of fly ash on geopolymerisation. Advances in Applied Ceramics, 106 (3). pp. 120-127.

Alex, T C and Godiwalla, K M and Kumar, Sanjay and Jana, R K and Rao, A S and Singh, Manjit and Premchand, (2006) Studies on the extraction of manganese from sea nodule residue as ferrosilicomanganese. Steel Research International, 77 (3). pp. 147-151.

Sahu, K K and Alex, T C and Mishra, D and Agrawal, A (2006) An overview on the production of pigment grade titania from titania-rich slag. Waste Management & Research, 24 (1). pp. 74-79.

Kumar, Sanjay and Bandopadhyay, A and Alex, T C and Kumar, Rakesh (2006) Influence of mechanical activation on the synthesis and hydraulic activity of calcium dialuminate. Ceramics International, 32 (5). pp. 555-560.

Kumar, Sanjay and Bandopadhyay, A and Rajnikanth, V and Alex, T C and Kumar , Rakesh (2004) Improved processing of blended slag cement through mechanical activation. Journal of Materials Science, 39 (10). pp. 3449-3452.

Srikanth, S and Alex, T C and Premchand, (1999) Reduction roasting of central Indian Ocean nodules by use of fuel oil: a thermodynamic and kinetic analysis. Transactions of the Institution of mining and metallurgy section c-mineral processing and extractive metallurgy, 108 ( ). C138-C146.

Book or NML Publication

Alex, T C and Kumar, Rakesh and Roy, S K and Mehrotra, S P (2012) Mechanical Activation of Al-Oxyhydroxide Minerals – Physicochemical Changes, Reactivity and Relevance to Bayer Process. In: LIGHT METALS 2012. TMS (The Minerals, Metals and Materials Society), pp. 15-19. ISBN 978-1-11829-139-9

Kumar, Rakesh and Kumar, Sanjay and Alex, T C and Srikanth, S and Mehrotra, S P (2010) Process innovations using mechanical activation of minerals and wastes. In: Experimental and theoretical studies in modern mechanochemistry. Transworld Research Network, Trivandrum, pp. 255-272. ISBN 978-81-7895-454-7

Kumar, Rakesh and Alex, T C and Khan, Z H and Mahapatra, S P and Mehrotra, S P (2005) Mechanical activation of bauxite - €”potential and prospects in the Bayer process. In: LIGHT METALS 2005. TMS (The Minerals, Metals and Materials Society), pp. 77-9. ISBN 0873395808, 9780873395809

Kumar, Rakesh and Alex, T C and Jha, Manis K and Khan, Z H and Mahaptra, S P and Mishra, C R (2004) Mechanochemistry and the Bayer process of alumina production. In: LIGHT METALS 2004. TMS (The Minerals, Metals and Materials Society), pp. 31-34. ISBN 978-0-470-95294-8

Conference or Workshop Item

Alex, T C and Kumar, Rakesh and Roy, S K and Mehrotra, S P (2013) High Energy Milling of Boehmite: Changes in Particulate Characteristics. In: Proceedings of the XIII International Seminar on Mineral Processing Technology (MPT-2013), 10-12 December, 2013, IMMT, Bhubaneswar.

Sasikumar, C and Srikanth, S and Kumar, Rakesh and Alex, T C and Mehrotra, S P (2011) Where does the energy go in high energy milling? In: VI International Conference on Mechanochemistry and Mechanical Alloying (INCOME 2008), 1-4 December 2008, NML Jamshedpur, India.

Alex, T C and Kumar, Rakesh and Kailath, A J and Roy, S K and Mehrotra, S P (2010) Physicochemical changes during mechanical activation of boehmite. In: Proceedings of the XI International Seminar on Mineral Processing Technology (MPT-2010), Dec 2010, NML Jamshedpur, India.

Alex, T C and Kumar, Rakesh and Kailath, A J and Roy, S K and Mehrotra, S P (2009) Mechanically Induced Reactivity in Boehmite (y-AlOOH). In: 63rd Annual Technical Meeting of The Indian Institute of Metals , Nov. 16-17, 2009, IIM, Kharagpur, Kolkata.

Alex, T C and Kumar, Rakesh and Roy, S K and Mehrotra, S P (2009) Mechanical Activation of Boehmite produced by Thermal Transformation of Gibbsite. In: The fourth Asian Particle Technology Symposium (APT 2009), September 14-16, 2009, Hotel Ashok, Delhi.

Kumar, Rakesh and Kumar, Sanjay and Alex, T C and Mehrotra, S P (2009) Mechanochemistry in the Utilisation/Minimisation of Wastes from Metallurgical and Allied Industries. In: The Fourth Asian Particle Technology Symposium (APT 2009), September 14-16, 2009, Hotel Ashok, Delhi.

Kumar , Sanjay and Alex, T C and Kumar, Rakesh (2008) Mechanical Activation of Solids in Extractive Metallurgy. In: Proceedings on Extraction of Nonferrous Metals and their Recycling - A Training Programme, Feb. 27-29th, 2008, NML, Jamshedpur.

Singh, T B and Alex, T C and Mishra, D and Jana, R K (2007) Dissolution Behaviour of Fe-Co Alloy in Leaching of Sea-Nodule. In: International Conference on Mineral Processing Technology (MPT – 2007), Feb. 22-24, 2007, Mumbai.

Alex, T C and Godiwalla, K M and Kumar, S and Jana, R K (2007) Extraction of silicomanganese from marine and low grade mineral resources. In: XI International Ferro Alloy Congress, Feb. 18-27, 2007, New Delhi.

Alex, T C and Kumar, Rakesh and Roy, S K and Mehrotra, S P (2007) Stirred bead mill grinding of gibbsite:surface and morphological changes. In: The Third Asian Particle Technology Symposium Small Particle Technology, September 3-5, 2007, Beijing, China.

Kumar, Rakesh and Alex, T C and Mishra, C R and Roy, S K and Mehrotra, S P (2007) Towards Sustainable Alumina Production. In: National Seminar on Environmental Concern and Remedies in Alumina Industry, January 27-28, 2007, NML, Jamshedpur.

Alex, T C and Srivastava, J P and Srikanth, S and Premchand, (1997) Pelletisation of reactant dosed laterite. In: Processing of fines: Proceedings of the national seminar, Jan 9-10, 1997, NML Jamshedpur, India.

Srikanth, S and Alex, T C and Agrawal, A and Premchand, (1997) Reduction roasting of deep sea manganese nodules using liquid and gaseous reductants. In: 2nd ISOPE Ocean Mining Symposium, Nov 24-25, 1997, Seoul, South Korea.

Project Reports

Greeshma, P and Alex, T C (2012) Reactivity of different size fractions of Tata power flyash in geopolymerization reaction. Training Report (TR). CSIR -NML, Jamshedpur. (Unpublished)

Dey, Shobhana and Mohanta, M K and Bhattacharyya, K K and Bhagat, R P and Rao, K V and Singh, Ratnakar and Das, Avimanyu and Mehta, K D and Alex, T C and Mohanty, Sunati and Singh, Ranjeet K (2011) Beneficiation and pelletisation of lateritic iron ore from Kahnwara, Katni. Sponsored (SSP). National Metallurgical Laboratory, Jamshedpur. (Submitted)

Alex, T C and Kumar, Rakesh and Upadhyay, A K and Mishra, T and Mahato, B and Mehrotra, S P (2007) Role of Mineralogy and Origin of Mechanically Activated (Indian) bauxite in Bayer Process. Exploratory (OLP). CSIR-NML, Jamshedpur. (Submitted)

Rao, Ananda and Srikanth, S and Mehrotra, S P and Ravi Kumar, B and Alex, T C and Ghosh, M and Das, Swapan K (2007) Effect of Strain on Melting Point of Lead produced by Mechanical Milling. Exploratory (OLP). CSIR-NML, Jamshedpur. (Submitted)

Srikanth, S and Alex, T C and Sasikumar, C and Mehrotra, S P (2006) A Critical Evaluation of the Various Kinetic Methods and their Application to Pyrolysis and Combustion to Two Biomass Fuels Bagasse and Groundnutshell. Exploratory (OLP). CSIR-NML, Jamshedpur. (Submitted)

Narasimhan, B R V and Rao, D S and Kumar, Rakesh and Alex, T C and Ravi Kumar, B and Das, Swapan K and Srikanth, S and Mehrotra, S P (2006) Mechanochemical Activation of Zircon Sands - A Low Temperature route for Liberation of Zirconia (OLP-0014). Exploratory (OLP). CSIR-NML, Jamshedpur. (Submitted)