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Hydrogen Embrittlement

Fracture Toughness

Fastener Testing

ASTM Standards

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NanoSolutions Testing Facilities are Streamlined to perform Testing where the results are Quantified Numbers, NOT Pass or Fail.  The Standards that we follow that give such results are described on this page.

ASTM Standards

This test method establishes a procedure to measure the susceptibility of steel to a time-delayed failure such as that caused by hydrogen. It does so by measuring the threshold for the onset of subcritical crack growth using standard fracture mechanics specimens, irregular-shaped specimens such as notched round bars, or actual product such as fasteners (threaded or unthreaded) springs or components.
Text Box: This test method describes mechanical test methods and defines acceptance criteria for coating and plating processes that can cause hydrogen embrittlement in steels. Subsequent exposure to chemicals encountered in service environments, such as fluids, cleaning treatments or maintenance chemicals that come in contact with the plated/coated or bare surface of the steel, can also be evaluated.

ASTM F 1624

ASTM F 519

This test method provides an estimate for the linear elastic fracture toughness (KIC)  per ASTM E1290, “Standard Test Method for CrackTip Opening Displacement (CTOD) Fracture Toughness Measurement”

ASTM E1290
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This test method describes mechanical test methods for determining the dynamic fracture toughness of materials.  ASTM E604 uses impact loading to determine the dynamic fracture properties of a material.  Results from this method are combined   with results from ASTM E1290 to determine the Damage Tolerance Index, a factor useful for evaluating size effects on fracture toughness of products.

ASTM E604
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