- About me
- List of Publications
- Scientific research and industrial experience
- Lectures, Presentation
- Video lecture/Demonstrations
- Workshop/Seminar
- Administrative responsibility
- Event Photos/videos
- M.Tech Thesis Guided
Dr. Lakkoju Sankara Rao has earned his Ph.D. degree from Indian Institute of Technology(BHU),Varanasi in 2018. Presently he is working as Senior Technical Officer in the Department of Metallurgical engineering. He joined in IT(BHU), Main Workshop as group A officer on 12-08-2009.
Dr. Rao has worked in various reputed Foundries like Emirates Techno Casting, Sharjah, UAE as Process Control Engineer and Moulding Incharge( 2001 to 2005) and Larsen and Toubro Limited, Kansbhal, Odisha as a Senior Engineer from(2005-2009)
Dr. Rao has published papers in various peer reviewed international journals
.
He is the reviewer of various journals like JMEP, MRX etc.
His present research interests include Semi-solid processing of Metals and alloys, Fabrication and wear behavior of Metal Matrix composites &Centrifugal FGM-Composites, the Agglomeration, DRI, Smelting-reduction, Plasma technology for metallurgical use, Metallurgical waste recycling.etc.
Dr. Rao has prepared several videos related to Manufacturing Practice( ME-105) for the first year B.Tech students of all branches and are published in IIT(BHU) library portal.
Dr. Rao has prepared the detailed video lectures/demonstration of Metallurgical Practice-III Lab (Iron and Steel Making Division)
Dr. Rao Organized National Seminar on “Technological Advancement in Man-made Appliances of Rural Area(TAMAR)”, January 4-6, 2019 as Orgnasing Secretary in Main Workshop, Indian Institute of Technology(BHU), Varanasi.
a. International Journals
- L.S. Rao, A.K. Jha and S.N. Ojha, Solidification of Liquid of Liquid Distributed in its Primary Matrix phase of Al-10Cu-Fe alloy and their tribological characteristics, Journal of Materials Engineering and Performance, Vol. 26, 2016, pp. 601–610.
- L.S. Rao, A.K. Jha and S.N. Ojha, Tribology and surface topography of Al-10Cu-Fe alloy produced by Rheocasting process, Materials Research Express, 4(9), 2017, p.096505.
- L.S. Rao, A.K. Jha and S.N. Ojha, Microstructure and Tribological Characteristics of Strain Indcued Melt Activation (SIMA)Processed Al-10Cu-Fe alloy, International Journal of Metal Casting, 2017, pp1-20.
- L.S. Rao, K. Raju, A.K. Jha and S.N. Ojha, Microstructure and Tribological Characteristics of Al-10Cu-Fe alloy produced by Vertical Centrifugal Casting Process, Transaction of Indian Institute of Metals, 2018, pp 1-18.
- K. Raju,N.Gopi Krishna, L.Sankara Rao, and S.N.Ojha, Microstructural Features and Wear Characteristics of Semi-Solid Processed A 356 Aluminium Alloy, Journal of Material Science and Technology Research, 2018,5,11-15
- Chandra, Jishnu, L. Sankara Rao, and S. N. Ojha. "Effect of Dispersoid Volume and T6 Heat Treatment on the Tribological Behaviour of Spray-Formed 2014Al-SiC p Composites." Silicon (2021): 1-11.
- Singh, A.K., Kumar, S., Mishra, B., Dishwar, R.K., Mandal, A.K., Rao, L.S. and Sinha, O.P., 2022. Direct reduction of fluxed iron ore pellets made from coarse iron ore particles. Canadian Metallurgical Quarterly, pp.1-8.
- Biswajit Mishra; Amit Kumar Singh; Lakkoju Sankara Rao; Girija Shankar Mahobia.,2022 "Reducibility and Kinetic studies of Pellets made from a novel Multimetallic Magnetite ore" Transaction of Indian Institute of Metals (Under Review, TIIM-D-22-00578)
- K.Chankdra Sekhar, L.Sankara Rao, 2022, Alloy design with C-Cu-N for the lean nickel austenitc staineless steels and properties. Canadian Metallurgical Quarterly, (Under Review, Manuscript No: CMQ 1939)
Scientific research and industrial experience (in reverse chronological order) |
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Sl. No. | Organisations | Post | Duration | |
From | To | |||
Academic/ Scientific research experience | ||||
5 | IIT(BHU), Varanasi, Uttar Pradesh, India | Senior Technical Officer | 12/08/2014 | Continuing |
4 | IIT(BHU), Varanasi, Uttar Pradesh, India | Technical Officer | 29/06/2012 | 11/08/2014 |
3 | IT(BHU), Varanasi, Uttar Pradesh, India | Foreman (Foundry) | 12/08/2009 | 28/06/2012 |
Industrial experience | ||||
2 | Larsen and Toubro Limited, Kansbahal, Odisha | Senior Engineer | 15/11/2005 | 10/08/2009 |
1 |
Emirates Techno Casting(ETC) , FZE , Sharjah, UAE.
|
Process Control Engineer and Moulding In-charge of Foundry | 22/07/2001 | 20/09/2005 |
- L. S. Rao, A. K. Jha and S. N. Ojha, “ Effect of Processing Techniques on the Microstructure and Tribological Characteristics of Al-10Cu-Fe alloy”, National Metallurgy Day and Annual Technical Meeting, Varanasi, November 12-15, 2014.
- L. S. Rao, A. K. Jha and S. N. Ojha, “ Solidification of liquid distributed in its primary matrix phase of Al-10Cu-Fe alloy”, Institute day of Indian Institute of Technology (Banaras Hindu University),Varanasi, February 25-26, 2017.
- L. S. Rao, V.S.Reddy “ Jugaad used in Foundry Industries”, National Workshop on Juagaad in Manufacturing organized by Main Workshp, Institute of Technology (Banaras Hindu University),Varanasi, January 8-9, 2011.
1. Preparation of Green Sand Mould (Foundry Practice Part 1)
Dr. Lakkoju Sankara Rao, (Dept. of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi, )
This video explains the importance of different tools and step by step procedure to prepare the green sand mold by using single piece wooden pattern.
URI: http://localhost:8080/xmlui/handle/123456789/316
2. ME-105 Preparation of Green Sand Mould (Foundry Practice Part 2)
Dr. Lakkoju Sankara Rao, (Dept. of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi, )
This video explains the importance of different tools and step by step procedure to prepare the green sand mould by using single piece wooden pattern
URI: http://localhost:8080/xmlui/handle/123456789/317
3. Introduction to Foundry
Dr. Lakkoju Sankara Rao, (Dept. of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi, )
video describes about the pattern, mold, casting, Green Sand, Core, Core print, core seat, Down Sprue, Ingate, Riser and Casting defects (Sand Inclusions and Gas holes).
URI: http://localhost:8080/xmlui/handle/123456789/315
4. Manufacturing Practice : Introduction To Welding Shop And Gas & Arc Welding-1
Dr. Lakkoju Sankara Rao, (Dept. of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi, )
This video describes the introduction to manual metal arc welding and oxy acetylene welding process.
URI: http://localhost:8080/xmlui/handle/123456789/314
5. Manufacturing Practice : Introduction To Sheet Metal Shop-1
Dr. Lakkoju Sankara Rao, (Dept. of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi, )
This video explains the different tools used in the sheet metal shop and shows the step by step procedure to prepare the galvanized iron sheet tray.
URI: http://localhost:8080/xmlui/handle/123456789/313
6. ME-105 Manufacturing Practice – Introduction to Blacksmithy
Dr. Lakkoju Sankara Rao, (Dept. of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi, )
This videos gives an introduction to blacksmithy and describes the procedure of making mild steel pipe hook
URI: http://localhost:8080/xmlui/handle/123456789/265
7. ME-105 Manufacturing Practice-Introduction to Electroplating
Dr. Lakkoju Sankara Rao, (Dept. of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi, )
This video gives an introduction to the electroplating and shows the step by step procedure to make copper and nickel electroplating on a mild steel rod.
URI: http://localhost:8080/xmlui/handle/123456789/268
8. Introduction to carpentry
Dr. Lakkoju Sankara Rao, (Dept. of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi, )
This video helps the students to understand the step by step procedure to prepare T-bridle joint in the carpentry shop.
URI: http://localhost:8080/xmlui/handle/123456789/267
9. ME-105 Manufacturing Practice-Introduction to Anvil (Blacksmithy tool)
Dr. Lakkoju Sankara Rao, (Dept. of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi, )
This video clearly explains the different parts and their functions of the anvil
URI: http://localhost:8080/xmlui/handle/123456789/266
10. ME-105 Manufacturing Practice- Introduction to Blacksmithy Hearth
Dr. Lakkoju Sankara Rao, (Dept. of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi, )
This video shows different parts of the Blacksmithy hearth and their importance
URI: http://localhost:8080/xmlui/handle/123456789/265
MT 422 Metallurgical Practice-III- Lab Experiments Video lectures with demonstration Prepared and presented by
Dr. Lakkoju Sankara Rao, Dept. of Metallurgical Engineering, IIT(BHU)
1.To study the commonly used raw materials in Iron and Steel Industry.
This video shows the tools used for Identification of different raw materials
Iron making & Steel making raw materials (Hematite, Magnetite, Limonite, Sinter, Pellets, HBI, Coke, Limestone), Ferro Alloys(Fe-Mn, Fe-Cr), Nonferrous Metals and alloys, Fine Powders and Minerals and Ores
PART 1 TOOLS USED FOR IDENTIFICATION & IDENTIFICATION OF MINERALS
PART 2 RAW MAERIALS USED IN IRON MAKING AND STEEL MAKING(13.55 TO 33.11)
PART 3 NON-FERROUS METALS AND ALLOYS
PART 4 FINE POWDER& MINERAL AND ORES
URI: http://localhost:8080/xmlui/handle/123456789/1845
2.To study the apparent porosity, true porosity and voidage of the given raw materials (iron ore/coke/lime stone/fire bricks).
This video shows the procedure of finding true density of Lime stone powder, fire brick powder, Porosity of Lime stone and Fire brick, Bulk density of Iron ore, coke lime stone and fire brick.
PART 1 DETERMINATION OF TRUE POROSITY EXPLANATION(00:00 to 6:00)
PART 2 True Density of Limestone and Fire Brick Powder
PART 3 Porosity of Limestone and Fire clay
PART 4 Bulk density of Iron ore, lime stone, fire bricks
URI: http://localhost:8080/xmlui/handle/123456789/1846
3.To determine the angle of repose as affected by particle size, shape, surface condition and moisture content.
This video shows
(a)The determination of the angle of repose of Hard Coke of different sizes on wood and steel surface.
(b) The determination of the angle of repose of different raw materials of same size on wood and steel surface.
(c) The determination of the angle of repose of Iron ore (-6 +4mm) with moisture content (2%,4% & 6%) on steel surface.
PART 1 Introduction
PART 2 Angle of repose of Hard Coke of different sizes on wood and steel surface(
PART 3 Different Raw Materials of same size on Wood & Steel Surface
PART 4 Effect of moisture on iron ore(-6+4mm)
PART 5 Results & Discussions(-6+4mm)
URI: http://localhost:8080/xmlui/handle/123456789/1847
4.To study the effect of particle size on the bulk density of the given raw materials. (iron ore//lime stone/fire bricks/coke)
PART 1 Introduction
PART 2 Bulk density of Limestone
PART 3 Bulk density of Iron Ore
PART 4 Bulk density of Coke
PART 5 Bulk density of Fire brick
PART 6 Results & Discussions
URI: http://localhost:8080/xmlui/handle/123456789/1848
5.To study the effect of temperature on the viscosity of given oil sample and determine the flash point of the given sample.
(a) This video gives the details explanation of Viscometer and Flash point apparatus
(b)Importance of viscosity and flash point
(c)Determination of viscosity of 2T and 4T oil
(d) Determination of flash point of Diesel
PART 1 Introduction to Viscometer and Flash point apparatus & their importance
PART 2 Determination of viscosity of 2T and 4T oil
PART 3 Determination of flash point of Diesel
URI: http://localhost:8080/xmlui/handle/123456789/1849
6.To study the reduction and swelling behavior of iron ore pellets in the bed of coal/coke/graphite powder used as reductant.
To study the effect of reduction time on the degree of reduction (%R) and Reduction swelling (%S) of iron ore pellets reduced in a bed of reductant (e.g., Coal, Coke, Graphite etc.) at ~1000 °C
PART 1 Introduction & Experimental Procedure)
PART 2 Preparation of Samples
PART 3 Reduction in Furnace
PART 4 Results & Discussions
URI: http://localhost:8080/xmlui/handle/123456789/1850
7.To study the defects in an ingot made of wax and naphthalene mixture
This video shows the preparation Ingot mould, melting and pouring of wax, Ingot examination, finding the pipe volume, taking the impression of pipe.
PART 1 Introduction
PART 2 Ingot Melting and Pouring
PART 3 Procedure
PART 4 Pipe Volume
PART 5 Cutting & seeing pipe
PART 6 Impression and Results
URI: http://localhost:8080/xmlui/handle/123456789/1851
8& 9. To determine the crushing strength and drop strength of green iron ore pellets by varying % of bentonite (1, 2, 3, 4%) additives keeping 12% moisture and to determine the crushing strength and drop strength of green iron ore pellets by varying % of water addition (8, 9, 10, 12, 14 %) keeping 2%Na-based bentonite
PART 1 Introduction
PART 2 Pellet Preparation
PART 3 Drop Strength& Crushing Strength
PART 4 Crushing Strength & Drop Strength
PART 5 Crushing Strength (41:18- 50:00)
URI: http://localhost:8080/xmlui/handle/123456789/1852
10.To determine the shatter and tumbler strength of given raw material (Iron ore, Lime stone)
(a) This video gives the introduction of Shatter Index and Tumbler Index testing equipment
(b) Shows the procedure of finding the Shatter and Tumbler Index.
PART 1 Introduction to Shatter & Tumbler Strength Equipment and Procedure
PART 2 Shatter Index Test
PART 3 Tumbler Test
PART 4 Results
URI: http://localhost:8080/xmlui/handle/123456789/1853
11.To conduct the proximate analysis of given reductant (coal/coke/charcoal).
(a)This video shows gives the introduction of proximate anlaysis.
(b) Shows the procedure of finding the Proximate analysis (Moisture, Volatile matter, Ash and Fixed carbon).
PART 1 Introduction
PART 2 Proximate Analysis Procedure
PART 3 Drop Strength& Crushing Strength
PART 4 Experiment & Results
URI: http://localhost:8080/xmlui/handle/123456789/1854
- Organised National Seminar on “Technological Advancement in Man-made Appliances of Rural Area(TAMAR)”, January 4-6, 2019 as Organsing Secretary in Main Workshop, Indian Institute of Technology(BHU), Varanasi.
- Played a key role as Local Advisory committee member of International Conference on Recent Advances in Composite Materials (ICRACM) -2019 by presenting the Inauguration & Valedictory function of the conference and well organized the invited and technical lectures of the different sessions.
- Organized National Seminar on “National Workshop on Jugaad in Manufacturing (NWJM)”, January 8-9, 2011 as Organsing committee member in Main Workshop, Indian Institute of technology(BHU), Varanasi.
- Presented the Main Workshop with different technical models in the Centenary Celebration of IIT(BHU) 2019. As a key role member under the guidance of Prof. V.K. Srivastava, Prof. Inhcarge and Mentor of the event I encouraged the technical staff of Shri Karun Vishwakarma(fabricated Mini Atta Chakki), Shri Shree Kumar( fabricated Mini Rice paddy Cutter) and Ajay Kumar Yadav (fabricated Portable Omniversal Profile Cutting Machine for wood metal and stone)
- Member (2018),Internal Purchase Committee, Main workshop, IIT (BHU), Varanasi.
- Deputy Centre superintendent(3rd Feb.,2018) for the post of Junior Assisstant recruitment test in the Department of Civil, Electrical and Mechanical Engg., IIT(BHU), Varanasi.
- Deputy Centre superintendent(,2018) for the post of Junior Library Assisstant recruitment test in the Department of Civil, Electrical and Mechanical Engg., IIT(BHU), Varanasi.
- Member (2017) of the press and publicity committee, IIT (BHU), Varanasi.
- Member(2018) of the Review Committee, Main workshop, IIT (BHU), Varanasi
- Member(2019) of the Main Workshop, condemnation committee.
S.No. |
Name of the student |
Roll No. |
Year |
Title |
Role |
Award status |
1 |
Mr. Sourabh Kumar |
19132049 |
2019-2021 |
Semi-solid processing of MMC and its machining |
Co-Supervisor |
Awarded |
2 |
Mr. Vipin Kr Yadav |
19132053 |
2019-2021 |
Characterization and Machining of MMC |
Co-Supervisor |
Awarded |
3 |
Mr. Pranav Anand |
20132047 |
2020-2022 |
Machinibiltiy studyof MMC produced through Semi-solid processing |
Co-Supervisor |
Awarded |