ASTM E290
Full Name
ASTM E290 – Standard Test Methods for Bend Testing of Material for Ductility
Scope
ASTM E290 is a standard test method used to evaluate the ductility of materials, which is their ability to deform plastically without fracturing. Bend testing involves subjecting a material to a bending force until it is deformed to a specified degree.
Test types:
- Three-point bend test: a specimen is supported at two points and a load is applied at the midpoint.
- Four-point bend test: a specimen is supported at two points and loads are applied at two intermediate points.
- Cantilever bend test: a specimen is fixed at one end and a load is applied at the other end.
Ductility measures:
- Deflection: the maximum deflection before fracture.
- Radius of curvature: the radius of the curved portion of the specimen after bending.
- Bend angle: the angle between the original and final positions of the specimen.
Applications – bend testing is used in various industries, including:
- Manufacturing: quality control, materials selection, and process monitoring.
- Research and development: material characterization and performance evaluation.
- Construction: inspection of structural components and materials.
Resources
Keywords
bend testing; ductility; material; test method; three-point bend test; four-point bend test; cantilever bend test; deflection; radius of curvature; bend angle; quality control; material selection; process monitoring; research and development; manufacturing; construction; inspection; structural components; materials; surface preparation; defects; strain hardening; grain size; heat treatment; material composition; factors affecting bend test results; applications; testing services; ASTM E290