Toughness Test Experiment Report
No matter you will work in industry or academia in the future, you will have to master the
capability to write a report to professionally and clearly explain what you discovered in your
experiments. To practice this skill, please see the HW3 as below.
Please choose one kind of material which you are interested in and mock fracture toughness
measurement on it. Mock experiment means you don’t need to run the experiment. Instead, you
will find related data through literature research. Please write the experiment report and submit
on Canvas before 11:59 pm April 25, 2021. No hard copy or late homework will be accepted.
The experiment steps are:
1. Determine the material
1) explain why you choose it
2) indicate the most common measurement method for this type of material
3) explain why this method is chosen
2. Determine the ASTM standard (please cite the reference)
3. Determine the sample dimensions (conduct calculation based on ASTM standard)
4. Prepare samples for tests
(elaborate the sample details which includes the sample dimension and sample preparing
process; may include multiple samples; may include the process to create pre-cracks)
5. Run the test (elaborate the steps and parameters for the test for all samples)
6. Data analysis and determine the toughness (can use relative tests online and cite the data)
7. Write experiment report (the report will be graded based on the rubrics as below)
Rubric for Experiment Report
Cover Page Descriptive title of report, class, lab #, name and due date. (2 pts) 2
Describe the goals of the lab and concepts being explored in
student’s own summary. Students should only describe and
highlight the main points of the lab. (6 pts)
Identification of material, ASTM standard, measurement method
and rational for selection (6 pts)
Determine the sample dimensions (conduct calculation based on
ASTM standard) (10 pts)
Prepare samples for tests (elaborate the sample list which
includes the sample parameters and sample preparing process)
Describe the steps to conduct the experiment (including the
equipment, loading rate, loading range, stop point, etc.) (10 pts)
Data & Results
Draw the graph and explain the graph (12 pts)
Results Explain how the toughness result is obtained. (20 pts) 20
Discussion Includes general concluding remarks (8 pts) 8
Report flows well throughout and sections & subsections are
used were appropriate (4 pts).
Formatting is good, with reasonable margins and spacing
between paragraphs, calculations, tables, etc. (2 pts)
Graphs, data, and anything else in the appendix, are referenced
when required/appropriate throughout the report (4 pts).
Equations are numbered and referenced in the text before the
equation is shown (2 pts).
Little to no spelling/proof reading errors/ no use of 1st person (4
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