ASTM D790 – Flexural Properties Testing of Unreinforced and Reinforced Plastics
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MECHANICAL TESTING LABORATORY
Due to the very large number of tests offered, descriptions of those most commonly requested have been gathered into the following groups:
- Air Permeability Testing
- Axial-Torsion Testing
- Blast Testing – Armor, Blast Mitigation Materials, Custom Structures
- Carbon Fiber-Reinforced Epoxy Testing
- Component Testing
- Compression Testing
- ASTM C365 – Flatwise Compressive Properties of Sandwich Cores
- ASTM C1358 – Compression Testing of Fiber Reinforced Advanced Ceramics
- ASTM D695 – Compression Testing of Rigid Plastics
- ASTM D1621 – Compression Testing of Rigid Cellular Plastics
- ASTM D3410 – Compression Testing of Polymer Matrix Composite Materials using Unsupported Gage Section by Shear Loading
- ASTM D6641 – Compression Testing of Polymer Matrix Composite Materials using Combined Loading Compression (CLC)
- ASTM E9 – Compression Testing of Metals
- ISO 604 – Plastics – Determination of Compressive Properties
- ISO 844 – Rigid Cellular Plastics – Determination of Compression Properties
- Conditioning
- Creep/Stress Rupture Testing
- Density Testing
- Fatigue Testing
- ASTM C1360 – Constant Amplitude, Axial, Tension-Tension Cyclic Fatigue Testing of Continuous Fiber-Reinforced Advanced Ceramics
- Tests can be performed at temperatures up to 2500 °F
- ASTM C1361 – Constant Amplitude, Axial, Tension-Tension Cyclic Fatigue Testing of Advanced Ceramics
- Tests can be performed at temperatures up to 2500 °F
- ASTM D3479 – Tension – Tension Fatigue Testing of Polymer Matrix Composite Materials
- ASTM D7791 – Uniaxial Fatigue Properties of Plastics
- ASTM E466 – Force Controller Constant Amplitude Axial Fatigue Testing of Metallic Materials
- Tests can be performed at temperatures up to 2200 °F
- ASTM E606 – Strain-Controlled Fatigue Testing
- Tests can be performed at temperatures up to 2200 °F
- ASTM E647 – Measurement of Fatigue Crack Growth Rates (da/dN)
- ASTM C1360 – Constant Amplitude, Axial, Tension-Tension Cyclic Fatigue Testing of Continuous Fiber-Reinforced Advanced Ceramics
- Fiber Push-Out SEM Testing
- Flexural Strength Testing
- ASTM C158 – Strength of Glass by Flexure
- ASTM C393 – Core Shear Properties Testing of Sandwich Constructions by Beam Flexure
- ASTM C651 – Flexural Strength of Carbon and Graphite by Four-Point Loading
- ASTM C1161 – Flexural Strength Testing of Advanced Ceramics
- ASTM C1341 – Flexural Properties of Continuous Fiber-Reinforced Advanced Ceramic Composites
- ASTM D790 – Flexural Properties Testing of Unreinforced and Reinforced Plastics
- ASTM D4476 – Flexural Properties Testing of Fiber Reinforced Pultruded Plastic Rods
- ASTM D6272 – Flexural Properties Testing of Unreinforced and Reinforced Plastics by Four-Point Bending
- ASTM D7264 – Flexural Properties Testing of Polymer Matrix Composite Materials
- ISO 178 – Plastics – Determination of Flexural Properties
- ISO 14125 (Method B) – Fibre-Reinforced Plastic Composites – Determination of Flexural Properties
- Formability Testing
- Fracture Toughness Testing
- ASTM B646 – Fracture Toughness Testing of Aluminum Alloys
- ASTM E399 – (K-Value) Linear-Elastic Plane-Strain Fracture Toughness of Metallic Materials
- ASTM E561 – K-R Curve Determination Testing
- ASTM E740 – Fracture Testing with Surface-Crack Tension Specimens
- ASTM E1820 -Measurement of Fracture Toughness
- Impact / Drop Weight Testing
- Metal Matrix Composites
- Peel Testing
- Poisson’s Ratio Testing
- ASTM E132 – Testing Poisson’s Ratio at Room Temperature
- -150 °F to +300 °F
- ASTM E132 – Testing Poisson’s Ratio at Room Temperature
- Puncture Testing
- Shear Testing
- ASTM B769 – Shear Testing of Aluminum Alloys
- ASTM C273 – Shear Properties Testing of Sandwich Core Materials
- ASTM C1292 – Shear Strength Testing of Continuous Fiber-Reinforced Advanced Ceramics
- ASTM D732 – Shear Strength Testing of Plastics
- ASTM D2344 – Short-Beam Strength Testing of Polymer Matrix Composite Materials (Interlaminar Shear)
- ASTM D3528 – Strength Properties Testing of Double Lap Shear Adhesive Joints by Tension Loading
- ASTM D3846 – In-Plane Shear Strength Testing of Reinforced Plastics
- ASTM D3914 – In-Plane Shear Strength Testing of Pultruded Glass-Reinforced Plastic Rods
- ASTM D5379 – Shear Properties Testing of Composite Materials by the V-Notched Beam Method (Iosipescu Shear)
- ASTM D7078 – Shear Properties Testing of Composite Materials by V-Notched Rail Shear
- ISO 1922 – Determination of Shear Strength of Rigid Cellular Plastics
- ISO 4587 – Tensile Lap-Shear Strength of Rigid-to-Rigid Bonded Assemblies
- Stress-Corrosion Testing
- ASTM G38 – Standard Practice for Making and Using C-Ring Stress-Corrosion Test Specimens
- ASTM G49 – Standard Preparation and Use of Direct Tension Stress-Corrosion Test Specimens
- ASTM G64 – Classification of Resistance to Stress-Corrosion Cracking of Heat-Treatable Aluminum Alloys
- ASTM G139 – Determination of Stress-Corrosion Cracking Resistance of Heat-Treatable Aluminum Alloy Products Using Breaking Load Method
- Tensile Testing
- ASTM C297 – Flatwise Tensile Strength of Sandwich Constructions
- ASTM C565 – Tension Testing of Carbon and Graphite Mechanical Materials
- ASTM C1147 – Short Term Tensile Weld Strength of Chemical-Resistant Thermoplastics
- ASTM C1275 – Tensile Testing of Continuous Fiber-Reinforced Advanced Ceramics (CFCC’s)
- ASTM C1359 – Monotonic Tensile Strength Testing of Fiber-Reinforced Advanced Ceramics
- ASTM C1468 – Transthickness Tensile Strength of Continuous Fiber-Reinforced Advanced Ceramics at Ambient Temperature
- ASTM D638 – Tensile Testing of Plastics
- ASTM D882 – Tensile Testing of Thin Plastic Sheeting
- ASTM D885 – Tensile Properties of Tire Cords, Tire Cord Fabrics, and Industrial Filament Yarns
- ASTM D3039 – Tensile Testing of Polymer Matrix Composites
- ASTM D3822 – – Tensile Properties of Single Textile Fibers
- ASTM D3916 – Tensile Testing of Glass-Fiber-Reinforced Plastic Rods
- ASTM D4533 – Trapezoid Tearing Strength of Geotextiles
- ASTM D4632 – Grab Breaking Load and Elongation of Geotextiles
- ASTM D5179 – Tensile Testing of Organic Coatings to Plastic Substrates
- ASTM E8 – Tensile Testing of Metals
- ASTM E21 – Tensile Testing of Metals at Elevated Temperatures (up to 2500 °F)
- ASTM E238 – Pin Bearing Test of Metallics
- ASTM E338 – Sharp Notch Tension Testing of High Strength Sheet Materials
- ASTM E345 – Tension Testing of Metallic Foil
- ASTM E517 – Plastic Strain Ratio “r” for Sheet Metal
- ASTM E646 – Tensile Strain-Hardening Exponents (n-Values) of Metallic Sheet Metals
- ISO 527-1 – Tensile Properties of Plastics
- ISO 527-3 – Tensile Properties of Plastic Films and Sheets
- ISO 6892-1 – Tensile Testing Metallic Materials at Room Temperature
- ISO 6892-2 – Tensile Testing Metallic Materials at Elevated Temperature
- True Stress / True Strain
- Thermal Expansion Testing
ASTM D790 – Flexural Properties Testing of Unreinforced and Reinforced Plastics
To request a quotation for any test email – info@trl.com – for a PROMPT reply.
ASTM D790 is in Touchstone’s NADCAP and ISO 17025 scope.
ASTM D790 covers the determination of flexural properties of unreinforced and reinforced plastics, including high-modulus composites and electrical insulating materials in the form of rectangular bars molded directly or cut from sheets, plates, or molded shapes. These test methods are generally applicable to both rigid and semi-rigid materials. ASTM D790 utilizes a three-point loading system applied to a simply supported beam. Touchstone is also able to perform eh technically equivalent standard, ISO 178 – Determination of Flexural Properties of Plastics.
Flexural properties as determined by these test methods are especially useful for quality control and specification purposes.
Materials that do not fail by the maximum strain allowed under these test methods (3-point bend) may be more suited to a 4-point bend test, such as ASTM D6272.
Tests may be performed at elevated or cryogenic temperatures (-300 °F to 1000F)
Tests may be performed at elevated or cryogenic temperatures (-300 °F to 1000F)
Please email info@trl.com or call (304) 547-5800 for information regarding any ASTM D790 questions you may have. Touchstone Engineers are experienced in flexural testing of many materials and will be able to help if you are unsure whether the material should be tested using a three-point bend fixture (ASTM D790) or a four-point bend fixture (ASTM D6272).
Reference: ASTM D790 – Standard Test Method for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
ISO 178: Plastics Determination of Flexural Properties