Generic (ABS, ...)
Trade Name
Materials Home
General Information
Polymer Home
Glossary
Material Science
Overview
Characteristics
Comparisons
Selection Criteria
Applications
Flow Characteristics
Datasheet Primer
Major Categories
Polymer Index
History Timeline
List by Process
Thermoplastic/Thermoset
Resources
Bibliography
Machine Design

How-to, in-depth technical articles for machine design engineers

Reinforced Plastics

Informed and impartial coverage on the global composites industry.

Power Transmission

Gear drives, bearings, motors, clutches, couplings, machine controls, sensors and components.

Design-2-Part

How OEM's can make their parts better, faster, and more efficient.

more free magazines
Terms found on Data Sheets
Mechanical Properties
- Modulus of Elasticity (Young's Modulus) or, more commonly, Secant Modulus.
- Flexural Modulus, Tensile and Compressive Flexural Strengths.
- Ultimate Tensile Strength.
- Ultimate Tensile Strength at Yield.
- Yield Stress, Yield Strain.
- Nominal Strain at Break.
- Charpy Impact, Notched Impact Strength.
- Puncture Force, Energy.
- Lubricity (Coefficient of Friction).
- Coefficient of Thermal Expansion.
- Fatigue Properties.
- Creep Properties: These are often difficult to find.
- Density (specific gravity).
- Hygroscopic Degree (Water, Humidity Absorption).
- Mold Shrinkage (mm/mm or in/in).
- Fatigue strength (especially for living hinge design).
- Typical safety factors for tensile, flexural, and shear strength.
Thermal Properties
- Deflection Temperature : Vicat.
- Chemical Interaction.
- Flammability Properties.
- Melting Temperature.
- Glass Transition Temperature.
Electrical Properties
- Dielectric Constant.
- Relative Permittivity.
- Surface Resistivity.
- Volume Resistivity.
Rheological Properties
- Melt Volume Flow Rate.
- Mold Shrinkage.

Top of Page

Glossary