After completing the learning tasks, the learners will be able to

1. Scholar
R. Prabhu
Reg. No: 18122991255
Assistant Professor
Department of Mechanical
Engineering
Adhi College of Engineering and
Technology
Develop the Rheological and Wear Resistance
properties of Polymer Composites (PEI/RGO,
PEI/PC) using Additive manufacturing Technique
Supervisor
Dr. A. Devaraju
Ref. No: 2120073
Professor
Department of Mechanical
Engineering
Adhi College of Engineering and
Technology
Date: 22.10.2020
Time : 11:00 A.M
Doctoral Committee Meeting
II

2.  DC Member 1 : Dr. N. Venkateswaran
Professor
Department of Mechanical Engineering
Rajalakshmi Engineering College
Thandalam
 DC Member 2 : Dr. M. Seeman
Associate Professor
Department of Manufacturing Engineering
Annamalai University
Chidambaram

3. Course Work Done
S.No
Course
Code
Course Title
Credit
s
Letter
Grade
Grade
Point
GPA
1
ED507
4
Tribology in
Design
3 A+ 9
8.00
2
ED500
4
Surface
Engineering
3 B+ 7
3
CC529
2
Additive
Manufacturing
and Tooling
3 A 8
7.00
4
ED507
8
Composite
Materials and
Mechanics
3 B 6
Cummulative Grade Point Average (CGPA) : 7.50

4. Grade Sheets for Course Work
Examinations

5. Comprehensive Evaluation for
Confirmation of Registration
 Comprehensive Evaluation was conducted on 16
Oct 2020 by Supervisor.
Topics Covered : Polymers, Polymer Composites,
Additive Manufacturing, and Tribology
Total Marks : 100
Timing : 100 Minutes
Total Mark Secured : 84

6. Comprehensive Evaluation for
Confirmation of Registration

7. Research Paper Published
 Failure analysis and restructuring model of
transfer feeder gear box in thermal powerplant
R Prabhu, A Devaraju
Materials Today: Proceedings 2020 (Scopus Indexed)
 Recent review of tribology, rheology of
biodegradable and FDM compatible polymers
R Prabhu, A Devaraju
Materials Today: Proceedings 2020 (Scopus Indexed)

8. Objectives
 To develop the Polymer composites (PEI/RGO and
PEI/PC) using Additive Manufacturing Technique.
 To Measure the Rheological, Thermal Stability of the
fabricated composites.
 To Evaluate the wear rate and coefficient of friction
using Tribological along with Surface Topography
studies.

9. PEI (ULTEM1000)
 Amorphous Polymer
 High Glass Transition Temperature (217°C)
 High Strength and Thermal Stability
 Resistance to Chemicals
 Compatible for Additive Manufacturing Process

10. Blending Material
Reduced Graphene Oxide (RGO)
 Promising Material
 Oxidized Functional Groups were removed
 Leads to increased interlayer spacing and
functionalization.
 Hydrophilic
Polycarbonate (PC)
 Appropriate Material
 Resistance to impact and flame
 Versatile

11. Fused Deposition Modeling (FDM)
Process
 Cheap and Simpler
 Fabricate – without wastage
 Control and Vary – Parameters
 Multiple Output

12. Parameters in FDM
 Layer thickness
 Deposition flow rate
 Raster angle
 Air gap
 Part orientation
 Filling velocity
 Road width

13.  Slice thickness
 Deposition style
 Wire width compensation
 Extrusion velocity
 Scan speed
 Model temperature

14. Rheological Study
 To study of the flow Characters of the polymers.
 It impose a specific stress field or deformation to the
fluid, and monitor the resultant deformation or stress.
 Used to describes the interrelation between force,
deformation and time.
 It measures the torque and the deflection angle.

15. Atomic Force Microscope
(AFM)
 Shows the Dispersion of GO and PC
 Evaluating force interactions between molecules
 Studying the physical changing properties of
Molecules
 3D imaging

16. Thermo Gravimetric Analysis
(TGA)
 To Evaluate the thermal stability
 To Measure the fraction of volatile components by
monitoring the weight change that occurs as a
sample is heated at a constant rate.
 Temperature Vs Weight %

17. Dynamic Mechanical Analysis
(DMA)
 To study the viscoelastic behavior
 Used to characterize a material's properties as a
function of temperature, time, frequency, stress,
atmosphere or a combination of these
parameters.

18. Tribology (Pin on Disc)
 To Evaluate the Wear rate
 To Measure the co-efficient of Friction
 Analyzing the material deformation

19. Trinocular Optical Microscope and SEM
 Used to Study the surface topography on the surfaces
of polymer composites.
 Physical Features after sliding contact.

20. Applications
 Polymer bearings in submersible Turbines
 Low Wear rates
 Anti Corrosion Property
 Self Lubricants
 Versatile and Economical
 Freedom from maintenance
 No messy Lubricants
 Consistent Coefficient of Friction

21. Polymer Bearing

22. Methodolog
y
Polyetherimide, RGO, PC
Blending of Polyetherimide with RGO
and PC (Extruder)
Fabrication of Materials through FDM
Considering
Various
Parameters
Rheological and Characterization
Study
Wear and Friction measurements
through Tribology
Surface topography studies
Result and Conclusion

23. Work Plan
Research Work Jan 18 Jul 19 Jan 20 Oct 20 Nov 20 Jul 21 Dec-21 Jun-22
Literature Review
Course Work
Review Paper Submission
and Confirmation
Fabrication and
Experimental evaluation of
proposed work
Result and Discussion,
Research paper Presentation
Expected year of Synopsis
submission

24. Literatures
 Chengcheng Liu, Yanbao Guoa, Deguo Wang, PEI-
RGO nanosheets as a nanoadditive for enhancing
the tribological properties of water-based
lubricants, Tribol. Int. 140 (2019)
 Blanco I, Cicala G, Ognibene G, Rapisarda M, Recca A,
Thermal properties of polyetherimide
/polycarbonate blends for advanced applications,
Polymer Degradation and Stability (2018), doi:
10.1016/j.polymdegradstab.2018.06.011.

25.  R. Anitha, S. Arunachalam, P. Radhakrishnan, Critical
parameters influencing the quality of prototypes in
fused deposition modelling, J. Mater. Process. 781
Technol. 118 (2001) 385–388.
 Marissa Giovino, Julia Pribyl, Brian Benicewicz, Sanat
Kumar, Linda Schadler, Linear Rheology of polymer
nanocomposites with polymer-grafted
nanoparticles, Polymer 131 (2017) 104–110.

26. Thank You