ASTM D638
Full Name
ASTM D638 – Standard Test Method for Tensile Properties of Plastics
Scope
ASTM D638 is a comprehensive standard that provides a systematic approach to determining the tensile properties of plastics. This analysis is essential for understanding the mechanical performance, durability, and suitability of plastic materials in various applications.
Key components of ASTM D638:
- Sample preparation: the test begins by preparing standardized plastic specimens with specific dimensions and geometries. This ensures consistency and comparability between tests.
- Tensile testing: the prepared specimen is subjected to a tensile load, gradually increasing until it breaks. The load and deformation are measured throughout the test.
- Data analysis: the collected data is used to calculate the tensile properties, including:
- Tensile strength: the maximum load a material can withstand before breaking.
- Modulus of elasticity: a measure of a material’s stiffness or resistance to deformation.
- Yield strength: the stress at which a material begins to deform plastically.
- Elongation at break: the maximum amount a material can stretch before breaking.
Applications of ASTM D638:
- Structural engineering: evaluating the strength and durability of plastic components used in buildings and other structures.
- Product design: selecting appropriate plastic materials for specific applications, such as automotive parts, packaging, and consumer goods.
- Quality control: ensuring that plastic products meet the required specifications and performance standards.
- Material research: investigating the relationship between plastic composition and tensile properties.
ASTM D638 Accredited Laboratory
Applied Testing & Geosciences, LLC is accredited for performing tests using the ASTM D638 standard.
Contact us today to learn more about our testing capabilities and how we can support your business.
Resources
Keywords
tensile properties; plastics; mechanical performance; structural components; product design; quality control; tensile strength; modulus of elasticity; yield strength; elongation at break; tensile load; deformation; failure; resistance; standardized procedure