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2. ACT (for-profit organization) - Wikipedia

   en.wikipedia.org/wiki/ACT_(for-profit_organization)

   ACT Academy [22] is a free online learning tool and test practice program designed to help students prepare for the ACT test. ACT Aspire [23] measures readiness in English, math, reading, science, and writing from the elementary grades through early high school (grades 3–10). Performance on ACT Aspire predicts performance for early high ...

3. Fracture toughness - Wikipedia

   en.wikipedia.org/wiki/Fracture_toughness

   A widely utilized standardized test method is the Charpy impact test whereby a sample with a V-notch or a U-notch is subjected to impact from behind the notch. Also widely used are crack displacement tests such as three-point beam bending tests with thin cracks preset into test specimens before applying load.

4. ACT (test) - Wikipedia

   en.wikipedia.org/wiki/ACT_(test)

   The ACT (/ eɪ s iː t iː /; originally an abbreviation of American College Testing) [10] is a standardized test used for college admissions in the United States.It is administered by ACT, Inc., a for-profit organization of the same name. [10]

5. Compact tension specimen - Wikipedia

   en.wikipedia.org/wiki/Compact_tension_specimen

   The stress intensity factor at the crack tip of a compact tension specimen is [4] = [() / / + / / + /] where is the applied load, is the thickness of the specimen, is the crack length, and is the effective width of the specimen being the distance between the centreline of the holes and the backface of the coupon.

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Fatigue (material) - Wikipedia

   en.wikipedia.org/wiki/Fatigue_(material)

   The conditions at the crack tip of a component are usually related to the conditions of test coupon using a characterising parameter such as the stress intensity, J-integral or crack tip opening displacement. All these techniques aim to match the crack tip conditions on the component to that of test coupons which give the rate of crack growth.