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pk.mech@coep.ac.in

Faculty

Dr. Prashant Kumar
 

Designation: 

Professor Emeritus

Department: 

Mechanical

Email: 

pk.mech@coep.ac.in

Website: 

www.coep.org.in

User ID: 

pk.mech@coep.ac.in

Teaching Experience: 

37

Industry Experience: 

2

Publications: 

a) Book

• “Elements of Fracture Mechanics”, Tata McGraw Hill Publication,
New Delhi, 2009

• “Product Design – Creativity , Concepts and Usability”, PHI Learning Private Limited, New Delhi, 2012

• “Elements of Fracture Mechanics”, Wheeler Publication, 1999





(b) Papers

o No of Journal Papers) published/accepted): 48
o No of Conference Paper: 34
o Article in magazines: 01


(c) Research Papers

• “Comparative Study of CFRP and GFRP Thin Sandwich Panels under Impact and Static Loading “Journal of Composite Materials, In press. Ugale, K. K. Singh, N. M. Mishra )
• “Experimental studies on thin sandwich panels under impact and static loading”, “Journal of Reinforced Palastics and Composites, 32(6), 2013, 420-434 ( with V. B. Ugale, K. K. Singh, N. M. Mishra )
• “Experimental study of Damage Area Extension in GFRP Composites at Different Energy Level”, Journal of Engineering and Applied Sciences, accepted for publication, 2011. (with K. K. Singh & R. K. Singh)
• “Review paper on analysis of composite patches as a crack arrester”, Journal of Engineering and Applied Sciences, accepted for publication, 2011.(with P. S. Shinde, V. K. Tripathi, , P. K. Sarkar & K. K. Singh)
• “Repair of a cracked specimen of acrylic sheet through bonding GFRP patches”, ISAMPE National Conference on Composites, INCOMM 10, November 18-19, 2011, Pune, India (with P S Shinde, K K Singh, V K Tripathi and P K Sarkar).
• “Flexural behavior of thin sandwich panels”, ISAMPE National Conference on Composites, INCOMM 10, November 18-19, 2011, Pune, India (with V B Ugale, K K Singh and N M Mishra).
• “Damage due to impact on symmetric and asymmetric laminates of fiber reinforced polymer composites”, ISAMPE National Conference on Composites, INCOMM 10, November 18-19, 2011, Pune, India (K K Singh and R K Singh).
• “Characterization of FRP Butt Joint under flexural loading”, ISAMPE National Conference on Composites, INCOMM 10, November 18-19, 2011, Pune, India (with R N Ladhwe, K K Singh, and P K Sarkar).
• “Determination of damage area through dissection of impacted glass reinforced polymer matrix composites”, International Conference on composites for 21st Century: Current and future tends, )ICC-CFT-2011), January 4-7 at Indian Institute of Sciences (IISc), Bangalore (with K K Singh and R K Singh)

• “Damage area extension in glass fibre reinforced polymer matrix composites at different energy level”, Second International Conerence on Production & Industrial Engineering (CPIE-2010), NIT Jalandhar, 3-5th December 2010 (with K K Singh and R K Singh).
• “Damage area response in adhesively bonded symmetric and asymmetric FRP laminates under impact load , Journal of reinforced Plastics & composites, (communicated), (with K K Singh, P. K. Sarkar and R. K. Singh)
• Impact induced damage study on symmetric laminates glass fabric specimen”, International conference on advancement in polymeric materials (APM-2010), CIPET – Bhubaneswar, 20-22nd February, 2010, APM 102
• Impact induced damage study on adhesively bonded asymmetric and symmetric fiber reinforced polymer composites, 3rd International Conference on Advance in Mechanical Engg., ICAME 2010, 4-6 January 2010, Sardar Vallabhbhai National Institute of Technology, Surat (with K K Singh, P K Sarkar and R K Singh)

• Dynamic shear strength of adhesive joints made of metallic and composite adherents, Materials and Design, 31 (2010) 2102-2109 (with S L Raykhere, R K Singh and Venkitanarayanan Parameswaran)
• An Asymmetric FRP Laminates With a Circular Precrack to Determine Impact-Induced Damage, Polymer Composites, 2008 (with K K Singh, R K Singh, P S Chandel)
• Toughness of Adhesive Bonded Interface under Static and Dynamic Loads – An experimental Study, Journal of Reinforced Plastics and Composites, Vol. 28, No. 05/2009 (with K K Singh, R K Singh)
• Short-term effect of distilled water, seawater and temperature on the crushed and interlaminar strength of fiber reinforced composites made by newly proposed rubber pressure molding technique, Polymer Composites, vol 29, no 6, pp 670-691, 2008 (with Kamal K Kar, S. D. Sharma & A Mohanty

• Effect of rubber hardness on the properties of fiber reinforced plastic composites made by the newly proposed rubber pressure molding technique, Polymer Composites, vol 28, no 5, pp 618-630, 2007 (with Kamal K Kar, S. D. Sharma)
• Analysis of rubber pressure molding technique to fabricate fiber reinforced components, Polymer Composites, vol 28, no. 5, pp 637-649, 2007 (with S D Sharma, J Ramkumar, Rao K Appaji, K R N Reddy)
• Pressure disgtribution analysis of fiber reforced plastic components made by pressure rubber moulding technique, journal of Applied polymer Science, vol 105, no 6, pp 3333-3354, 2007 (with Kamal K Kar, S D Sharma, J Ramkumar, Rao K Appaji, K R N Reddy)
• “Developing of rubber pressure molding technique using Butyl rubber to fabricate fiber reinforced plastic components based on glass fiber and polyester resin”, Journal of reinforced plastics and composites, vol 26, pp 269-283, 2007 (with S D Sharma, Kamal K Kar & T K Sah)
• “Experimental Study on Thin Sandwich Panel”, Journal of the Institution of Engineers (India), V 89, July, 2008, (with A. Kumar & P. S. Chandel)
• “Surface Roughness of Fiber Reinforced Plastic Laminates Fabricated using Rubber Pressure Molding Technique”, Polymer Composites, vol 27, no 5, pp504-512, 2006 (with S D Sharma & Kamal K Kar)
• “Butt Joining of Similar and Dissimilar Pipe material by Cold Joining Process”. Advanced Composite Letters, Vol. 16, Iss. 5, 2007, pp 173-179 (with J. Ramkumar, A. K. Singhal and Ritesh Kumar Singh)
• “Toughness of adhesive bonded interface under static and dynamic loads”, Diamond Jubilee Symposium, 4th to 6th July 2007, Indian Institute of Sciences, Bangalore (With K. K. Singh and R.K. Singh)
• “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 , IIT-Kharagpur & Georgia Institute of Technology, Atlanta, USA (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)
• “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)
• “Detection of delamination in impacted panels of GFRP”, International Conference, 17th to 19th Dec. 2004. IT-BHU & Sponsored by AFOSR-AOARD, USA. (with K. K. Singh 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)
• “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)

 

Current Projects : 

 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

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