lsrao.mwit's picture
Dr. Lakkoju Sankara Rao
Senior Technical Officer
Department of Metallurgical Engineering
lsrao.mwit@iitbhu.ac.in
9532234057
7355906597
Area of Interest: 
Semi-Solid Processing of Aluminium Alloys and Composites, Fabrication and Wear behavior of Metal Matrix composites and Centrifugal FGM Composites, Agglomeration, DRI, Smelting reduction

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

  1. 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.
  2. 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. 
  3. 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. 
  4. 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.
  5. 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
  6. 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.
  7. 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.
  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)
  9. 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)
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
  1. 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.
  2. 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.
  3. 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

 

 

  1. 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.
  2. 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.
  3. 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.
  4.  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