2024 기공실 a+ 인증 인장실험 보고서

목차

1. Introduction and Theory
2. Experimental method
3. Experimental results
4. Analysis and Discussion
5. References

본문내용

-Experiment Purpose
Tensile testing quantitatively evaluates the mechanical properties of materials, providing essential information necessary for material selection, setting design criteria, and quality control. Therefore, this experiment is a crucial process for understanding and predicting the performance of materials.
-Theroy
Stress(σ): Stress is defined as the force per unit area exerted on a material. It reflects how a material or structure responds to external loads and is considered in terms of tensile stress, compressive stress, and shear stress in mechanical design. Stress analysis helps predict the maximum load that a designed part can withstand, thereby preventing material failure or deformation.
Strain(ε): Strain is a dimensionless ratio that describes the extent of deformation a material or structure undergoes due to an external load. It is expressed as the ratio of the change in length to the original length.

참고자료

· GERE, JAMES M, Mechanics of materials Brief SI edition, CENGAGELEARNING, 2012,pp.15~33
· http://ksscjournal.or.kr/_common/do.php?a=full&b=12&bidx=2152&aidx=16239,(Young`s Modulus of SS275), 03.28
· Table of material properties for structural steel S235, S275, S355, S420 (eurocodeapplied.com)
· (SS275 Mechanics of Properties), 3.28
· https://www.green-mechanic.com, ,( Half-Bridge Strain Gage and Full-Bridge Strain Gage)3.29
· Understanding a Wheatstone Bridge Strain Gauge Circuit - Bestech Australia
· (Half-Bridge Strain Gage and Full-Bridge Strain Gage), 3.30
· https://steelmax.co.kr/ (SS275 Information),3.31