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2. Crack growth resistance curve - Wikipedia

   en.wikipedia.org/wiki/Crack_growth_resistance_curve

   In fracture mechanics, a crack growth resistance curve shows the energy required for crack extension as a function of crack length in a given material.For materials that can be modeled with linear elastic fracture mechanics (LEFM), crack extension occurs when the applied energy release rate exceeds the material's resistance to crack extension .

3. Environmental stress cracking - Wikipedia

   en.wikipedia.org/wiki/Environmental_stress_cracking

   According to ASTM D883, stress cracking is defined as "an external or internal crack in a plastic caused by tensile stresses less than its short-term mechanical strength". This type of cracking typically involves brittle cracking, with little or no ductile drawing of the material from its adjacent failure surfaces. [ 1 ]

4. Rainflow-counting algorithm - Wikipedia

   en.wikipedia.org/wiki/Rainflow-counting_algorithm

   Rainflow counting identifies the closed cycles in a stress-strain curve. The rainflow-counting algorithm is used in calculating the fatigue life of a component in order to convert a loading sequence of varying stress into a set of constant amplitude stress reversals with equivalent fatigue damage.

5. What’s changing for USPS in 2025? - AOL

   www.aol.com/changing-usps-2025-113304901.html

   The U.S. Postal Service (USPS) will raise shipping prices in early 2025 while keeping the cost of first-class stamps unchanged. The proposed price hikes, which would take effect Jan. 19, include a ...

6. Emboldened by ABC settlement, Trump threatens more lawsuits ...

   www.aol.com/emboldened-abc-settlement-trump...

   President-elect Donald Trump had not been terribly successful in suing media organizations until this weekend when ABC News agreed to settle a closely-watched defamation case he brought against ...

7. Lakers trade D'Lo, Grizzlies miss out on Finney-Smith, Kings ...

   www.aol.com/lakers-trade-dlo-grizzlies-miss...

   Meanwhile, over in Brooklyn, the Nets' latest moves signal a full rebuild. KOC also takes a moment to reflect on the Orlando Magic’s standout Tristan Da Silva turning heads as the team’s depth ...

8. Crack growth equation - Wikipedia

   en.wikipedia.org/wiki/Crack_growth_equation

   A crack growth equation is used for calculating the size of a fatigue crack growing from cyclic loads. The growth of a fatigue crack can result in catastrophic failure, particularly in the case of aircraft. When many growing fatigue cracks interact with one another it is known as widespread fatigue damage. A crack growth equation can be used to ...

9. U.S. releases 4th prisoner this month from Guantánamo, leaving 26

   www.aol.com/u-releases-4th-prisoner-month...

   The Pentagon says it's repatriated to Tunisia one of the detainees from the Guantánamo Bay military prison, leaving 26 in the facility.