DDL offers a wide range of material product testing services that draw from best practices testing techniques and use an extensive equipment background which enables us to measure mechanical properties, conduct material characterization analysis, aid in materials selection, serve as a packaging design authority, add value to quality initiatives and produce product performance tests.
With an extensive background in servo control, DDL engineers can control testing equipment in a way that enables real life simulation of material conditions. DDL material testing capabilities cover strength testing and characterization of material response to fatigue.
- Flexure tests, the most common, cost effective and reliable of the tests for brittle material strength, is a three- and four-point flexure.
- Compression tests are conducted because materials behave differently in compression than they do in tension. Fixture and transducer tests, which simulate conditions the material are exposed to in actual use, are performed. Compression testing is performed on plastics, foam, rock, concrete and asphalt. It is also used to evaluate the behavior of finished products. For example, a hypodermic needle may be pushed into a material to see how easily it penetrates and assess its sharpness.
- Tensile strength tests, a realistic representation of the stress the material will experience during actual application, are applied to polymers, elastomers, metals, composites, ceramics and rock.
- Fatigue tests are performed for specimens used in structural applications where repetitive loads and strains require confirmation that the chosen material is appropriate.
- Performance tests, often referred to as product or material tests, verifies whether designs can meet the type of mechanical durability and performance for which they were designed.
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