ACCELERATED LIFE TESTING. Touchstone performs corrosion testing and accelerated life testing of virtually any material or device. Among the tests offered . ASTM D Standard Test Method for Evaluation of Painted or Coated Specimens Subjected to Corrosive Environments. ASTM D – Download as PDF File .pdf), Text File .txt) or read online.
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ASTM D uses corrosion creepage perpendicular to the scribe line as a quantitative measurement of corrosion performance.
ASTM D Test Method of Painted or Coated Specimens
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ASTM D describes the scribing of coated samples through the coating layer and into the substrate using one of a number of scribe tools. The moment new editions of the standards you monitor are released, changes are made, or appendixes are published, you will be alerted by email.
The arithmetic mean width of the corroded area on both sides of the scribe line is calculated for a number of locations along the scribe line, and ASTM D uses that mean width to determine a rating number from 0 to 10, with 10 representing zero 0 corrosion creep.
The less corrosion creep on either side of the scribe, the higher the corrosion resistance performance. Start Webshop Product catalog Product presentation.
ASTM D – CORROSION CREEPBACK
Common corrosion d654 evaluations listed below: ASTM D describes the use of one of a number of methods to remove coating along the scribe line undercut by corrosion so that the full width of the corrosion creep width can be measured with a scale or caliper. If you need to be able to add standards to the monitoring service, you must register as a user with your own username and password.
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This ensures that you are always up-to-date and saves you both time and money. Following exposure, the samples are evaluated for corrosion resistance performance.
Subscription – always available and updated A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. F1654 with a spatula, picking off with a knife, chemical stripping of the coating, air blow-off, or power washing.
The purpose of the ASTM D test method is to provide a standardized procedure for the evaluation of corrosion performance of coatings and metal pretreatments subjected to one of a variety of corrosion resistance exposures.
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Test Panel Evaluation (ASTM D 1654)
A web subscription provides an easy atsm secure access to standards, and you are guaranteed to always have the latest edition. Assured Testing Services places parts or panels inside corrosion resistance exposure chambers, exposing them continually for specified periods of time.
Standards monitoring is a free service designed for you who wish to be alerted of changes to or new editions of the standards required in your work.