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  Profile

Priyadarshan A. Manohar, Ph.D.
Associate Professor of Engineering (Engineering)
Co-Director, SEMS ROC - Grants & Research (SEMS - ROC)
manohar@rmu.edu
412-397-4027 phone (M)
412-397-2593 fax
John Jay 127


Educational Background

  • Ph.D., Materials Engineering, University of Wollongong, Australia, 1997
  • Master of Science, Computer Science, University of Wollongong, Australia, 1998
  • Bachelor of Science, Metallurgical Engineering, University of Poona, India, 1985

Professional Background

  • 2004 to Current: Full time appointment as Associate Professor of Engineering. I teach several courses within manufacturing and mechanical engineering major such as Engineering Materials, Statics and Strength of Materials, Fundamentals of Manufacturing Engineering, Production Engineering, Product and Tool Design, Value Design, and Quality Engineering. I also teach graduate courses such as `Systems Engineering: Design and Analysis? and 'Engineering Cost Estimation and Finacial Analysis'within MS program in Engineering Management. I am an active member of RMU Institutaional Review Board, University and School Graduate Curriculum Committees.I am a member and officer of the American Society for Materials(ASM), American Society of Engineering Education (ASEE), The Metals, Minerals and Materials Society (TMS), and American Iron Steel Institute (AIST). I am a Chartered Professional Engineer (CPEng) and a registered Materials Professional.
  • 2003 to 2004: Lead Materials Scientist, Modern Industries, Inc, Pittsburgh. The main job responsibilities included management of a commercial materials laboratory that included materials planning and purchase, staff training, equipment calibration and maintenance, and writing test procedures; business development, quote preparation, negotiation, contracting, project planning, execution and preparing final reports. Examples of some of the projects handled by me are: Creep damage analysis of low carbon, low alloy steel pipes in a fossil-fuel power plant using replication metallography; Stress corrosion cracking failure analysis of jack bolts where the failure was related to residual tensile stresses due to heat treatment;degradation of chlorine-bearing mold coolant and MoS2 lubricant around the bolt area; Failure analysis of striking bar in a percussion hammer assembly. The root cause analysis indicated that the failure occurred in torsional fatigue mode due a combination of dynamic operating stresses Corrosion resistance of stainless steels in various environments. I am familiar with several failure investigation tools including stereo microscopy, a range of mechanical and non-destructive tests, fractography, optical microscopy, Scanning Electron Microscopy (SEM), and Energy Dispersive Spectroscopy (EDS) analysis.
  • 2001 to 2003: Research Associate, Carnegie Mellon University (CMU), Pittsburgh. Project Title: High Performance Computer Simulation of Annealing Phenomena. I worked with Prof. Tony Rollett to develop high performance computer simulation programs to study several aspects of annealing phenomena in metals such as recovery, recrystallization, normal and abnormal grain growth, texture development, diffusional phase transformations and structure ? property relationships. I utilized Pittsburgh Supercomputer Center and NERSC, California supercomputing facilities to develop parallel programs using MPI technology. Also developed constitutive models for high T mechanical properties of medium C steels and wrote an expert system for computational modeling of rod rolling of medium C-Mn steels.
  • 1999 to 2001: Research Fellow, BHP Institute for Steel Processing and Products, Australia. Project Title: High Temperature Mechanical Properties, The Peritectic Reaction and The Quality of Continuously Cast Steel. The projects involved investigation of peritectic reaction in carbon and low alloy steels and its influence on the surface quality of continuously cast slabs. Mechanical behavior of Fe ? C alloys at high temperatures (close to the solidus) was determined using a modern thermomechanical simulator (Gleeble 3500). The mechanism of peritectic reaction was studied using Confocal Laser Scanning Microscopy. This work has generated important mechanical property data at high temperatures in single-phase ?, ?+? and single-phase ? fields in low carbon steels. In addition, Young?s modulus at high temperature was also determined. Wrote an expert system for predicting suitable steel composition that meets customer?s property requirements.
  • 1998 to 1999: University of Wollongong, Australia. Project Title: Direct Hot Processing of Microalloyed Steel Strip from Thin Cast Slabs. The major aim of this project was to simulate near-net-shape casting process (strip casting) in the laboratory using a modern thermomechanical simulator (Gleeble 3500). Developed a novel technique to estimate the hot strength and ductility of in-situ melted and cast tensile test specimens and investigated the influence of microalloying elements (Nb and Ti addition) on hot ductility of steels. I was also involved in the research of appropriate secondary processing strategies for strip cast steels.
  • 1985 to 1993: I held various positions in quality assurance and engineering research departments in Tata Engineering and Locomotive Company (TELCO), Pune, India. Telco is the largest automobile manufacturing company in India. The types of vehicles manufactured include passenger vehicles (cars) based on diesel and gas engines, pick-up trucks, utility vans, light commercial vehicles (4-6 ton diesel vehicles) and heavy commercial vehicles (10-20 ton trucks). Some of my main responsibilities were materials for automotive applications, failure analyis, materials testing, quality assurance, ISO 9001 certification, metallurgical trouble shooting, and laboratory management.

Area of Expertise/Research

  • My research interests are mainly in the field of materials science and engineering. They include many topics such as: Monte Carlo Simulation of large-scale grain growth, physical and computer simulation of industrial manufacturing processes such as hot rolling of sheets, plates and rods, Experimental studies of structure property relationships in irons and steels, Utilization of electron microscopy techniques (SEM, TEM, EBSD, EPMA, XRD, SCIM) for failure analysis and fundamental microstructural research.
  • Pedagogical Research: I am involved in the development of new curricula and new teaching tools and methods for both graduate and undergraduate education in manufacturing engineering. Some examples are: An interdisciplinary course in product design with Marketing and Media Art, A survey of digital resources for teaching introductory materials science course, Development of lab curriculum for a course in production engineering, Inclusion of Service Design topics within Product Design curriculum to address issues of competitiveness within manufacturingeducation and incorporating case studies in the curriculum for engieering financial analyis.

Publications

  • Book Chapters
    1) P. A. Manohar and M. Ferry: “Thermomechanical Processing of Ferrous Alloys”,
    Chapter 3 in the book entitled Deformation and Processing of Structural Materials,
    ed. Z. X. Guo, Woodhead Publishing, UK, 2005, pp. 76 - 116.
    2) A. D. Rollett and P. A. Manohar: “The Monte Carlo Method”, Chapter 4 in the book
    ‘Continuum Scale Simulation of Engineering Materials’, D. Raabe, F. Roters, F. Barlat
    and L-Q Chen (eds.), Wiley – VCH, Germany, 2004, pp. 77 - 114.
    3) P. A. Manohar, M. Ferry and T. Chandra: “Recrystallization of Ferrite and Austenite”,
    published in the Encyclopaedia of Materials: Science and Technology, Elsevier Science,
    UK, 2001, Vol. 4, pp. 3019 - 3024.
  • Review Papers
    1) P. A. Manohar, M. Ferry and A. Hunter: “Direct Strip Casting of Steels – Historical
    Perspective and Future Direction”, Materials Forum, Vol. 24, 2000, pp. 15 – 32.
    2) P. A. Manohar, M. Ferry and T. Chandra: “Review: Five Decades of the Zener Equation”, ISIJ International, Vol. 38, No. 9, 1998, pp. 913 - 924.
  • ASEE Award Winning Paper
    P. A. Manohar, C. Jones and J. Radermacher: “Development and Implementation of a Junior-Year Design Course in an Interdisciplinary Environment Along with Media Arts and Marketing, ASEE Conference, June 23 – 26, 2007, Hawaii, received 2007 BEST PAPER award of the American Society for Engineering Education (ASEE) Manufacturing Division.
  • Refereed Journal Papers
    1) P. A. Manohar: “Solving Problems in the Human/Legal Domains Using Failure Analysis Methods”, (under preparation) for the Journal of Materials, 2012.
    2) P. A. Manohar: “Failure Analysis of a Hammer Drill Shaft Under Complex Loading Paths and Severe Environmental Conditions”, Materials Science Forum, Vols. 638 – 642, 2010, pp. 3889 – 3894.
    3) P. A. Manohar: “Thermomechanical Process Innovation and Optimization via Computer Modeling and Simulation”, Materials Science Forum, Vols. 638 – 642, 2010, pp. 3883 - 3888.
    4) P. A. Manohar: “Beehive Coke – The Stuff That Built a Nation”, Advanced Materials and Processes, Vol. 167, No. 8, 2009, pp. 54.
    5) P. A. Manohar: “Stress Corrosion Cracking Failure of Jackbolts for Die Casting Press”, Materials Science Forum, Vols. 539 – 543, 2007, pp. 2162 - 2167.
    6) P. A. Manohar, K-H. Lim, A. D. Rollett and Y. Lee: “Computational Exploration of Microstructural Evolution in a Medium C-Mn Steel and Applications to Rod Mill”, ISIJ International, Vol. 43, No. 9, 2003, pp. 1421 - 1430.
    7) P. A. Manohar, K. Kunishige and T. Chandra: “Influence of Thermomechanical Processing on Microstructural Evolution in Si-Mn and Al-Mn TRIP Steels”, Materials Science Forum, Vols. 426 - 432, 2003, pp. 1127 – 1132.
    8) P. A. Manohar, K-H Lim and A. D. Rollett: “Simulation of Microstructural Evolution in Wire Rod Rolling of Medium C-Mn Steel”, Materials Science Forum, Vols. 426 - 432, 2003, pp. 3789 – 3794.
  • Refereed Journal Papers (continued)
    9) K-H Lim, P. A. Manohar, D. Lee, Y. C. Yoo, C. M. Cady, G. T. Gray III and A. D. Rollett: “Constitutive Modelling of High Temperature Mechanical Behaviour of a Medium C-Mn Steel”, Materials Science Forum, Vols. 426 - 432, 2003, pp. 3903 – 3908.
    10) P. A. Manohar, K. Kunishige M. Ferry and T. Chandra: “Continuous Cooling Transformation Behaviour of Si - Mn and Al - Mn TRIP Steels”, Materials Science and Technology, Vol. 18, No. 8, 2002, pp. 856 – 860.
    11) M. Ferry, M. Thompson and P. A. Manohar: “Decomposition of Coarse Grained Austenite During Accelerated Cooling of C-Mn Steels”, ISIJ International, Vol. 42, No. 1, 2002, pp. 86 – 93.
    12) M. Thompson, M. Ferry and P. A. Manohar: “Simulation of Hot-Band Microstructure of C-Mn Steels During High Speed Cooling”, ISIJ International, Vol. 41, No. 8, 2001, pp. 891 - 899.
    13) P. A. Manohar, S. S. Shivathaya and M. Ferry: “Design of an Expert System for the Optimization of Steel Compositions and Process Route”, Expert Systems With Applications, Vol. 17, No. 2, 1999, pp. 129 - 134.
    14) P. A. Manohar and M. Ferry: “Grain Growth in Particle-Containing Metastable Microstructures”, Materials Science Forum, Vols. 312 – 314, 1999, pp. 455 – 460.
    15) P. A. Manohar and T. Chandra: “Continuous Cooling Transformation Behaviour of High Strength Microalloyed Steels for Linepipe Applications”, ISIJ International, Vol. 38, No. 7, 1998, pp. 766 - 774.
  • Refereed Journal Papers (continued)
    16) P. A. Manohar and T. Chandra: “Dimensions of Grain Boundary Mobility”, ISIJ International, Vol. 37, No. 7, 1997, pp. 726 - 728.
    17) P. A. Manohar, T. Chandra and C. R. Killmore: “Continuous Cooling Transformation Behaviour
     of Microalloyed Steels Containing Ti, Nb, Mn and Mo”, ISIJ International, Vol. 36, No. 12, 1996, pp. 1486 - 1493.
    18) P. A. Manohar, D. P. Dunne, T. Chandra and C. R. Killmore: “Grain Growth Predictions in
     Microalloyed Steels”, ISIJ International, Vol. 36, No. 2, 1996, pp. 194 - 200.
    19) P. A. Manohar and M. Dadhich: “Machinability Prediction by Simulation”, published in the
     journal Indian Machinist and Flexible Manufacturing, Vol. 4, Nos. 2 - 3, 1992, pp. 67 - 70

Presentations

  • 2011 - Conference Presentations P. A. Manohar: Product and Service Design Bundle: A Curriculum for Teaching Manufacturing Competitiveness, Annual ASEE Conference, June 26 - 29, 2011, Vancouver, BC, Canada. P. A. Manohar: A Hands-on Course Curriculum for Supporting Design Education for Manufacturing Students, ASEE Conference, June 20 - 23, Louisville, Kentucky, 2010. P. A. Manohar: A Top-Down Approach for Teaching an Introductory Engineering Materials Course, ASEE Conference, June 14 - 17, Austin, Texas, 2009. P. A. Manohar: Modern Tools and Techniques for Teaching Manufacturing Engineering in the Digital Age, ASEE Conference, June 22 - 25, 2008, Pittsburgh. P. A. Manohar, A. Sirinterlikci and Z. Czajkiewicz: On-Line Games and Simulation Tools for Teaching Manufacturing Engineering Laboratory, ASEE Conference, June 22 - 25, 2008, Pittsburgh. P. A. Manohar: The Development of Flexible Hot Rolling Technology Based on Through-Process Modeling?, 137th TMS Annual Meeting, Frontiers in Process Modeling Symposium, New Orleans, March 9 - 13, 2008. P. A. Manohar: A Memo to the Budding Professor, Spot-Light Editorial Article on website of TMS, http://materialstechnology.tms.org/TECarticle.asp?articleID=1051, July 2007

Schedule of Courses
Schedule Book for All Active and Available Future Terms, Priyadarshan


Summer 2014
Course-SectionTimeDaysLocInstructorSessionSeats
  • ENGR2180-A
  • 09:00-01:00 PM WMManohar7 (06/09-08/02/14)15 Seats
  • ENGR2180-B
  • -APPTMManohar7 (06/09-08/02/14)0 Seats
  • ENGR5020-A
  • -APPTMManohar7 (06/09-08/02/14)0 Seats

    Fall 2014
    Course-SectionTimeDaysLocInstructorSessionSeats
  • ENGR5010-B
  • 06:00-10:00 PMMMManohar3 (08/25-10/16/14)2 Seats
  • ENGR5010-A
  • -ONLINEIManohar2 (08/23-10/17/14)7 Seats

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