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Loading Rate¡ªFor conventional (quasi-static) tests, the specimen shall be loaded such that the rate of increase of stress-intensity factor is between 0.55 and 2.75 MPa¡Ìm/s (30 and 150 ksi¡Ìin./min) during the initial elastic displacement.

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1Mpa
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= 1000 KN/m2
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3Â¥: Originally posted by С·¶bairoe at 2014-08-21 11:38:27
1Mpa
= 1000000 N/m2
= 1000 KN/m2
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