2026 MECH 321 LAB 2 Experiment - CHARPY IMPACT
TESTING OF PLASTICS AND STEELS Properties & Failure of
Materials Concordia University
Experiment 2
Charpy Impact Testing Of Plastics And Steels
MECH 321 Lab Section MI - X
Group A
Winter 2025
Prof. Sam Eskadarian
Concordia University
Montreal, QC, Canada
1
, TABLE OF CONTENTS
TABLE OF CONTENTS .............................................................................................................................. 2
LIST OF TABLES AND FIGURES ............................................................................................................. 2
OBJECTIVE.................................................................................................................................................. 3
INTRODUCTION ......................................................................................................................................... 3
EQUIPMENT ................................................................................................................................................ 5
PROCEDURE ............................................................................................................................................... 7
RESULTS ..................................................................................................................................................... 8
SAMPLE CALCULATIONS .................................................................................................................. 11
DISCUSSION ............................................................................................................................................. 11
SOURCES OF ERROR........................................................................................................................... 12
CONCLUSION ........................................................................................................................................... 13
REFERENCES ............................................................................................................................................ 14
LIST OF TABLES AND FIGURES
Figure 1: Sketch showing method of loading in Charpy and Izod tests [1]
Figure 2: Photograph of fracture surfaces of A36 steel Charpy V-notch specimens tested at indicated
temperatures [°C] [1]
Figure 3: Effect of temperature on impact behavior [1]
Figure 4: Variation of impact strength with temperature for several thermoplastics [1]
Figure 5: Geometry of Charpy impact specimen [1]
Figure 6: TMI Impact Tester configured for Charpy Impact [1]
Figure 7: Instron SI-1 series Impact Tester [1]
Figure 8: Charty impact energy vs temperature for steels
Figure 9: Charty impact energy vs temperature for plastics
Figure 10: Fracture sketch of three metal samples
Figure 11: Fracture of Stainless Steel at various medium
2
TESTING OF PLASTICS AND STEELS Properties & Failure of
Materials Concordia University
Experiment 2
Charpy Impact Testing Of Plastics And Steels
MECH 321 Lab Section MI - X
Group A
Winter 2025
Prof. Sam Eskadarian
Concordia University
Montreal, QC, Canada
1
, TABLE OF CONTENTS
TABLE OF CONTENTS .............................................................................................................................. 2
LIST OF TABLES AND FIGURES ............................................................................................................. 2
OBJECTIVE.................................................................................................................................................. 3
INTRODUCTION ......................................................................................................................................... 3
EQUIPMENT ................................................................................................................................................ 5
PROCEDURE ............................................................................................................................................... 7
RESULTS ..................................................................................................................................................... 8
SAMPLE CALCULATIONS .................................................................................................................. 11
DISCUSSION ............................................................................................................................................. 11
SOURCES OF ERROR........................................................................................................................... 12
CONCLUSION ........................................................................................................................................... 13
REFERENCES ............................................................................................................................................ 14
LIST OF TABLES AND FIGURES
Figure 1: Sketch showing method of loading in Charpy and Izod tests [1]
Figure 2: Photograph of fracture surfaces of A36 steel Charpy V-notch specimens tested at indicated
temperatures [°C] [1]
Figure 3: Effect of temperature on impact behavior [1]
Figure 4: Variation of impact strength with temperature for several thermoplastics [1]
Figure 5: Geometry of Charpy impact specimen [1]
Figure 6: TMI Impact Tester configured for Charpy Impact [1]
Figure 7: Instron SI-1 series Impact Tester [1]
Figure 8: Charty impact energy vs temperature for steels
Figure 9: Charty impact energy vs temperature for plastics
Figure 10: Fracture sketch of three metal samples
Figure 11: Fracture of Stainless Steel at various medium
2
