1. Personal Particulars
Designation: Professor, Department of Mechanical Engineering
Date of Birth: December 15, 1945
Telephone: (0512) 2597048
E-mail : prkumar@iitk.ac.in
Fax : (0512) 2597408, 2590007
2. Educational Qualifications
Degree Institution Confirming Field Year
_____________________________________________________________________
B.Tech. IIT Kanpur Mechanical Engg. 1967
M.S. Univ. of California,
Berkeley, USA Mechanical Design 1968
Ph.D Brown University
RI, USA Solid Mechanics 1976
3. Research/Work experience
IIT Kanpur
o December 1977 to Present,
Head, Dept. of Mechanical Engineering (January 1999 to December 2002)
o Head, Design Programme, (April 2002 to May 2005)
Industrial Experience
o Camber Manufacturing Co., El Segundo, California, USA (June 1968-1970) (Designed New Models for Passenger Loading Ramps used at Airports)
Post Doctorate Fellow
o Brown University, USA
§ May 1985- Dec. 1985 : Experimental studies of precursor decay in LiF at liquid nitrogen temperature through plate impact experiments
§ Summer 1985 : Dislocation configuration within a glide band through a SEM at high magnification of 20-50 K
§ Summer 1982 : Studied dislocation generation and propagation in single crystal of iron-silicon through plate impact experiments
§ Summer 1980: Developed a new system to pass a short rise time (less than 2 nanoseconds) stress pulse through solid-liquid interfaces.
§ Summer 1978 : Studied dislocation configuration in single crystal of LiF under scanning microscope
§ June 1976-Dec. 1977: Conducted dynamic plate impact experiments to pass a 200 nanoseconds long and high magnitude stress pulse (700 MPa) through single crystals of LiF and recovered the specimen for studying dislocation generation and motion.
.
4. Research specialization ·Polymer composites
(Major scientific fields ·Product Design
of interest) ·Fracture Mechanics
5. Publication:
(a) Book
· “Elements of Fracture Mechanics”, Wheeler Publishing, New Delhi, 1999
(b) Papers
No of Journal Papers) published/accepted): 43
No of Conference Paper: 28
Article in magazines: 01
· “Experimental Study on Thin Sandwich Panel”, Journal of the Institution of Engineers (India), in press, (with A. Kumar & P. S. Chandel)
· “Development of Rubber Pressure Molding Technique using Natural Rubber to Fabricate FRP Components based on Glass Fiber and Epoxy Resin," Kutschuk Gummi Kunststoffe (Germany), in press, (with S D Sharma & K K Kar).
· “Development of Rubber Pressure Molding using Polybutadiene Rubber to Fabricate Fiber Reinforced Plastic Components based on Glass Fiber and Epoxy Resin, Current Science, in press, (with S D Sharma & K K Kar)
· “Surface Roughness of Fiber Reinforced Plastic Laminates Fabricated using Rubber Pressure Molding Technique”, Polymer Composites, in press, (with S D Sharma & Kamal K Kar)
· “Development of Rubber Pressure Molding Technique to Fabricate Fiber Reinforced Plastic Components using Natural Rubber and Polyester Resin”, Journal of Polymer Composites, in press, (with S D Sharma & K K Kar)
· “Vision of Design Programme at IIT Kanpur” Indo-US workshop on Design Engineering, Bangalore 2006, 5th – 7th January 2006, Bangalore
· “Toughness of adhesive bonded interface under static and dynamic loads”, ICAMDD-2005, International Conference on Advanced Material Design & Development, 14th -16th December, Goa (with R.K. Singh and Kalyan Kumar Singh)
· “Characterization of Toughened bonded interface against fracture and impact loads”, International Journal of Adhesion & Adhesives, Vol 25, Number 6, December 2005, pp 527-533, 2005 (with Shishir Tiwari and R K Singh)
· “Development of Rubber Pressure Molding Technique using butyl rubber to Fabricate Fiber Reinforced Plastic Components based on Glass Fiber and Epoxy Resin”, Journal of Applied Polymer Sciences (in press) (with K K Kar, S D Sharma & Suraj K Behera)
· “Flexural properties of sandwich-panel made by using polyester coremat”, Indo-Japan Joint Seminar on Manufacturing Science of Advanced Composites”, February 21-26, 2005, IIT Kanpur (with Axay Kumar & Pankaj S. Chandel)
· “Development Of Rubber Pressure Molding Technique To Fabricate Reinforced Plastic Components” XII National Seminar on Aerospace Structures, September 2003, Bangalore, pp 258-264 (with Tinku K Saha, Suraj K Behera, S D Sharma and K. K. Kar)
· “Fracture Toughness of Adhesively Bonded FRP Laminates Under Static and Dynamic Loading” XII National Seminar on Aerospace Structures, September 2003, Bangalore, pp 100-107 (With R. K. Singh and Yekabbara Rao Allanki)
· “Numerical and Experimental Investigation of Impact on Skewed I-Section Brackets”, IMPLAST 03, 8th International Symposium of Plasticity an Impact Mechanism, IIT Delhi, March 16-19, 2003, pp 1084-1091 (with N.G.R. Iyengar, N.N.Kishore, Abhishek K Singh, Bhanu Kishore)
· “Effect of Laminate Thickness on Dynamic Interlaminar Fracture Toughness”, National Seminar on Aerospace Structures (NASAS XI), 2002, pp 424-431.
· “Determination of Interlaminar Toughness of GFRP Laminates at very High Crack Velocities”, Journal of the Institution of Engineers (India), Vol 81, January 2001, pp 148-154, 2001
· “Characterization of toughened bonded interface against fracture and impact loads” International Conference on Advances in Structural Integrity , July 14-17, 2004, Indian Institute of Sciences, Bangalore (with Shishir Tiwari and R.K. Singh)
· “Development Of Rubber Pressure Molding Technique To Fabricate Reinforced Plastic Components” XII National Seminar on Aerospace Structures, September 2003, Bangalore, pp 258-264 (with Tinku K Saha, Suraj K Behera, S D Sharma and K. K. Kar)
· “Numerical and Experimental Investigation of Impact on Skewed I-Section Brackets”, IMPLAST 03, 8th International Symposium of Plasticity an Impact Mechanism, IIT Delhi, March 16-19, 2003, pp 1084-1091 (with N.G.R. Iyengar, N.N.Kishore, Abhishek K Singh, Bhanu Kishore)
· “Effect of Laminate Thickness on Dynamic Interlaminar Fracture Toughness”, National Seminar on Aerospace Structures (NASAS XI), 2002, pp 424-431.
· “Effect of working gap and circumferential speed on the performance of magnetic abrasive finishing process”, Wear, 2001 Oct, Vol. 250, Issue 1-12 (with V K Jain, P K Behera and S C Jayswal)
· “Determination of Interlaminar Fracture Toughness through an Embedded Crack”, Seventh Annual International Conference on Composites Engineering, Denver, Colorado, July 2-8, 2000, pp 487-488 (with N. N. Kishore and B. Rajkumar)
· “Product Design-Formulation and Forms”, Institution of Engineers (India), Vol 81, September 2000, pp 62-65
· “Determination of Interlaminar Fracture Toughness through an Embedded Crack”, Seventh Annual International Conference on Composites Engineering, Denver, Colorado, July 2-8, 2000, pp 487-488 (with N. N. Kishore and B. Rajkumar
· “Experimental Determination of Interlaminar Toughness using a fully embedded Crack”, Recent Advances in Experimental Mechanics, IIT Kanpur, March 15-16, 2000, Allied Publishing Limited, New Delhi 2000, pp 123-134 (with N.N.Kishore)
· “Impact Damage Area and Interlaminar Toughness of Modified FRP Laminates”, Journal of Advanced Composite Materials, Vol 9., No 2, pp 77-88 , 2000 (with R.K. Singh, DMSRDE, Kanpur)
· "An Experimental cum Numerical Technique to Determine Dynamic Interlaminar Fracture Toughness", Engineering Fracture Mechanics, Vol 60, No 5-6, pp 583-596 1998, (with S.K.Verma & N.N.Kishore)
· "Experimental Determination of Interlaminar GIc using a Fully Embedded Centre-Cracked Specimen", Engineering Fracture Mechanics, Vol 59, No.2, pp 183-189 (1998) (with S.R.Reddy)
· "Initiation and Propagation Toughness of Delamination Cracks under an Impact Load", Journal of Mechanic and Physics of Solids, Vol 46, No. 10 (1998), pp. 1773-87 (with N.N.Kishore).
· "Product Design - Formulation and Forms", Conference on "Emerging Trends in Design Engineering" MNR Engineering College, Allahabad, Jan.31 - Feb.2, (1997).
· “Machining Piezoelectric (PZT) Ceramics using an Electrochemical Spark Machining (ECSM) Process", Journal of Materials Processing Technology, Vol 58, pp 24‑31, (1996), (with Y.P.Singh, V.K.Jain and D.C.Agarwal)
· "Improved Area Efficiency of Solar Cookers‑A Product Design Approach, Journal of Instt. of Engineers India, Vol 77, pp.82‑88 (1996), (with B.Vajpayee)
· “A Hybrid Experimental and Numerical Method to Determine Dynamic Interlaminar Fracture Toughness:, Third International Conference on Composites Engineering, New Orleans LA, pp 479-480, July 21-26 1996 (with S.K. Verma and N.N. Kishore)
· “Initiation and Propagation Toughness High Velocity Interlaminar Crack, 5th National Seminar on Aerospace Structure, January 18-19, 1996, IIT Bombay.
· “Evaluation of Critical Interlaminar SIF of DCB Specimen made of Slender Cantilever, Engg. Frac. Mech, Vol. 50,N0.3, pp 345-353 (1995), with S.K. Verma, N.N. Kishore and P.K. Keshvam Potty)
· “Effect of Aluminum Particle Reinforcement in GFRP Laminates”, Advanced Composite Materials, Vol 4, No.4, pp 276-366, 1995, (with A.R. Gawahale and Badri Rai).
· “Unidirectional Prepreg Machine- An Indigenous Development”, Journal of the Institution of Engineers, India, Vol 75, May 1995, (with B. Goel and J. Bandhopadhya).
· “Design as and Interdisciplinary academic activity Proc. of National Conference on Product Design, Oct20, 1994, IIsc, Bangalore, Publication Design Guild of India, Bangalore, (with Amit Ray).
· “Determination of Critical SIF of Interlaminar Crack in a thin Laminates”, National Seminar on Aero Structures, December 29-30, 1993, IIT Kanpur, (with S.K. Verma, N.N. Kishore and L.B. Gupta)
· “A Special Laminate for Determining for GIc, National Seminar on Aero Structures, December 29-30, 1993, IIT Kanpur.
· “Delaminations of barely visible impact damage in CFRP laminates” , (1993) Composite Structures, 23 (4), pp. 313-318 (with Badri Rai)
· “Numerical Method in Dynamic Fracture, Journal of Aeronautical Society of India, Vol. 45, No.4, Nov.- Dec., 1993, (with S.K. Verma, N.N. Kishore ).
· "Reduction of Impact Damage in KFRP through Replacement of Surface Plies with Glass Fabric Plies", Journal of Composite Materials, vol. 25, June 1992, pp 694‑701.
· “Impact damage on single interface GFRP laminate – An Experimental Study”, (1991) Composite Structures, 18 (1), pp. 1-10 ( with Badri Rai)
· “Experimental Evaluation of Dynamic GI for Interlaminar Crack Propagation in Fiber Composite”, 7th ISME, Conference on Mechanical Engineering held down Feb. 1-3, 1990, Delhi (with R.A. Savanur and J.S. R.K.T. Prasad).
· “Investigation into Machining of Composites”, Precision Engineering, Vol. 12, No. 4, Oct.1990, pp. 227-238, (With V. K. Jain)
· “Energy Dissipation of Projectile Impacted Panels of Glass Fabric Reinforced Composite”, Composite Structures, Vol. 15, 1990, pp. 75-90, (with M.D. Narayan).
· “Dynamic shear properties of Aluminum and Fibre Composite Through a Specially built a Torsion Machine”, The Institution of Engineers (India), IE (I) Journal – MC, Vol. 70, March, 1990, pp. 118-124, (with Badri Rai).
· “Experimental Studies on Delamination Damage by Impact Load on Single Interface Laminates”, ICCN : The Preceding of The 7th International Conference on Composite Materials edit by Wu Youshu, Gu Zhenlong and Wu Renjie, International Academic Publishers, New York, held on Nov. 22-24, Guangzou, China Vol. 2, 1989, pp. 247-253.
· “Experimental Investigation into Electro Chemical Spark Machining in Composites”, Trans. ASME, 1989, (with V K Jain and S Tondon).
· “Shear Behavior of Unidirectional GFRP and CFRP at High Strain Rate”, DYMAT, Sep. 19-23, 1988, France, (with B. Rai).
· “Failure Modes of Fractographic Study of Glass – Epoxy Composite under Dynamic Compression”, J Material Science, Vol. 23, 1988, pp. 2305-2309 (with Anita Garg).
· “Rolling Resistance of Elastic Wheels on Flat Surfaces”, Wear, Vol. 126 1988, pp. 117-126, (with D.K. Sarkar and S.C. Gupta).
· Dynamic Compressive Behavior of Unidirectional GFRP for Various Fibre Operations”, Material Letters Vol. 4, 1986, pp 111-116 (with Anita Garg and B.D. Agarwal)
· “Facture Toughness of Fabric Reinforced Composites through the J-Integral Approach”, Composite Science and Technology, Vol 25. No 4. 1986. pp 311-323 (with B.D. Agarwal and S. K. Khanna)
· “Mechanical Behavior of Jute Fibre and their Composites”, Indian Journal of Technology, Vol 24, 1986, pp 29-32
· “Influence of Specimen Width, Thickness and Fibre Concentration on Fracture Toughness (Jc) of short fibre Composite”, Journal of Aerospace engineering, Division of the Institution of Engineers of (India), Vol 66, Part AE2, March 1986, pp. 47-51, (with B.D. Agarwal and B.S. Patro)
· “High Strain Rate Behavior of Unidirectional GFRP”, Journal of Aeronautical Society of India, Vol 38. No.1, Feb 1986, pp 11-16, (with Anita Garg and B.D. Agarwal)
· “Efficient Use of Human Energy in Bicycles”, Science Reporter, Dec. 1985, pp.454-458.
· “Failure Modes in Unidirectional GFRP Composite Under Dynamic Compression “ , 5th International Conference on Composite Materials , July 30, 1985, San Diego , California, USA(with Anita Garg)
· “Prediction of Instability Point during Fracture of Composite Materials “, Composite Structures Review Spring 1985, pp.173-176(with B.D. Agarwal and B. S. Patro)
· “ J-Integral as a Fracture Criterion for Fabric Reinforced Composites “, 1985 Spring Conference on Experimental Mechanics and Manufacturers Exhibit, Jun 1985, Las Vegas, (with B.D.Agarwal and S.K.Khanna)
· “Energy Losses of Wheel Rolling Elasticity on a Flat Surface” , Journal of Institution of Engineers(India),Vol.65 pt. ME 3 and 4 1984-85 ,pp.117-122.
· “J-Integral as Fracture Criterion for Short Fibre Composites: An Experimental Approach”, Engineering Fracture Mechanics ,Vol. 19, No.4 , pp.675-684,1984 (with B.D.Agarwal and B.S.Patro )
· “An Examination of Crack-Length estimation Procedure for Short Fibre Composites”, Proceedings of 6th International Conference on Fracture Dec. 4-10,1984, Advances in Fracture Research Ed. S.R. Valluri, Vol.4,pp.2963-2970,( with B.D.Agarwal and B.S.Patro ).
· “Dislocation Motion and Generation in LiF Single Crystal Subjected to plate Impact”, J. Appl. Phy. Vol.49, No.7 1979 (with R.J.Clifton).
· “Dislocation Configuration due to Plate Impact”, Proc. IUTAM Symp. On High Velocity Deformation of Solids , Tokyo, Japan Aug. 24-27,1977 (with R.J. Clifton)
· “ A Combined Normal and Transverse Displacement Interferometer with an Application to Impact of Y-Cut Quartz”, J. Appl. Phy., Vol. 48 , No 10, 1977, pp. 4132 ( with R.J.Clifton and K.S.Kim )
· “Dynamic Yielding”, Workshop on Non-linear Waves , Chicago, Circle, USA, March 21-23, 1977 .
· “ A Star shaped Flyer for Plate Impact Recovery Experiments”, J. Appl. Phys. , Vol.48 , No.11,1977, pp. 1850 ( with R.J.Clifton )
· “Optical Alignment of Impact Faces for Plate Impact Experiments”, J. Appl. Phys., Vol..48, No.3, 1977, pp. 1366 ( with R.J.Clifton ).
5. (c) Patents
· Back Pack-Cum-Chair, No. 160207, 3-12-84. (Dr. Prashant Kumar with Vibhu Agarwal, Prashant Gupta, S.Sampath).
· Improved Chaired Bicycle, No. 160568, 10-5-85. (Dr. Prashant Kumar with S.Sampath).
· Improved Solar Cooker, No. 162938, 30-6-1986. (Dr. Prashant Kumar, with H.C.Agarwal and S.Sampath).
· Carbon nanotube and nano particles coated carbon fiber reinforced polymer hybrid nano composite with improved thermo mechanical properties and a process for prepration there of. No. 1813/Del/2005 dt. 14th July 2005 (Dr. Prashant Kumar, Kamal K. Kar and N.G.R.Iyengar)
5.(d) Directors Citation for best teacher
· ME 728 Fracture Mechanics 2001-02-II
· ME 354 Design of Mechanical System 2003-04-II
· ME 727 Composite Materials 2002-03-II
· DES 681 Design Project – I 2003-04-I
· DES 602 Design Practice –I 2003-04-I
· DES 602 Design Practice –I 2005-06-I
5.(e) Awards
· Sri Rajendra Nath Memorial Prize 1989-90 from “ The Institution of Engineers”
· The Corps of Engineers Medal -1996-97 from “The Institution of Engineers”
· Aerospace Engineering Division Gold Medal for 1985-86 “The Institution of Engineers”
6. Sponsored Project (as Principle Investigator)
· Media Lab Asia
o Infothela (2001)
· ARDB (Structures Panel)
o Study of Impact Damage of Bonded Joints (2003)
o Interlaminar Toughness of FRP Laminates under Impact Loading (1997)
o Toughness of Impact Induced Cracks in Adhesive Bonds and FRP Laminates (1995)
o Interlaminar Fracture Toughness and Energy Dissipation in Impacted FRP Laminates (1990)
o Constitutive Relation and Toughness of FRP of High Rate of Loading (1993)
o Experimental Studies of Ballastically Impacted Composite Laminates (1987)
o Prepreg Machine- Design, Fabrication and Testing (1989)
o Fracture Toughness of Fiber Composites using J-Integral Approach (1983)
o Application of J-Integral Approach to determine Fracture Toughness of Composite Laminates: A Feasibility Study (1982)
o Characterization of Composites under Dynamic Loading Conditions(1980)
· ARDB (Aerospace manufacturing & value engineering panel)
o Manufacturing of Polymer Composite Products using Rapid Tooling (2003)
· MHRD
o Technology Development Mission – Prepreg Making Machine (1994)
· CST
o Development of Production Techniques to Fabricate Polymer Composites Products using Rapid Tooling (2000)
o Performance of The Cutting Tools During Machining of Composite Materials (1986)
· NLDP (National Leather Development Programme)
o Development of Saddle Tree using Polymer Composite (2001)
· KVIC
o Bullock Driven Power Generator (2002)
Consulting Projects
· ADA
o Projectile Impacting and Compression after Impact Testing (2002)
o Testing of carbon fibre composite laminate for damage caused by impacting masses
· MOL (Ministry of Labour)
o Scope of Technological up gradation in Glass Bangle Industry (2000)
· HAL, Korwa
(developed three out of nine tests to validate the body of Black Box of an aeroplane)
o Deep Sea Pressure Test (2001)
o Development of Penetration Test.
Ø Design of Penetration Test Setup (2000)
Ø Fabrication of Penetration Setup (2001)
o Fixture For Static Crush Test And Handling Purpose (2003)
o Static Crush Test on PMM body. (2003)
· Hindalco (Renukoot)
o Strain measurement and Design Analysis of Bauxite Rotatory Car Dumper structure.
.
· Lohia Starlinger, Kanpur
o Improved the design of the shuttle of circularly wearing machine.
o Designed a special machine to manufacture the cam of circular weaving machine
o Designed the casing of gear box frame with very high axial load capability
o Reverse engineering of feeder screw of plastic granules
o Designed a fixture for assembling various components of a gear box.
· Kumar Wires and Conductors (P) Ltd., Kanpur
o Designed, fabricated and tested a machine to determine spring constant of rectangular springs used in magazine of machine guns.
· Prayag Udhyog Limited, Faizabad
o Designed the steel body of Tata trucks.
· Navy Science and Technology Laboratory, Visahakhapatnam
o Crack propagation in submarine body due to under water explosion
· Hind Cycle Company, Bombay
o Improved Designs of Caliper Brakes
· Nath Opticians, Kanpur
Design and Fabricated a prototype of a lens Grinder
· Mangalam, Royal Hotel, Lucknow
o Design and Fabricated a Prototype of an Improved Tricycle for Handicapped Persons (mass manufactured)
7. Product Development
· Infothela: Takes benefits of IT to the door steps of villagers. Extensively covered in national and international newspapers and magazines
· Prepreg making machine
· An improved solar cooker
· Many models of bicycles and tricycles (covered in national magazines and news papers)
· New techniques to make polymer composite products in vacuum chamber for better quality
· Development of an artificial aortic hear valve
· Design of an attractive light weight refrigerator body using FRP
· Cloth drying unit "Hangyo"