Materials testing machines are predominantly used for the determination of the strength and deformation behaviour of specimens and components. For this purpose, tensile, compression, flexure or shear ...
The Department of Transportation is proposing to add new drug testing guidelines that would permit motor carriers to test truck drivers using oral fluid samples as an alternative to urine testing.
The Izod impact test fixes one end of a notched specimen in a cantilever position by means of a vice. A striker on the arm of a pendulum or similar energy carrier then strikes the specimen. The energy ...
It’s been a long time in the works, but the U.S. Department of Transportation has published a final rule that amends the federal regulated industry drug-testing program to include oral fluid specimen ...
When we think of tensile specimen grips, our first mental image is probably that of the wedge grips that apply uniform clamping forces to the ends of flat test specimens. These were discussed in ...
A composite material is tabbed prior to testing, typically, for one of two reasons: to protect the material from damage from applied loads during the test or to increase the area of the loading region ...
WATERFORD, MI -- It begins when a medical professional sticks an unfortunately long Q-tip-like swab into your nose or mouth. It ends when a machine using sophisticated software analyzes the extracted ...