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5、6 , (tensile energy absorption, TEA): , , . . 3.7 , (tensile energy absorption index): , , 1 2 . 3.8 (modulus of elasticity): Smax( , 2) . 4 , . , , , , . , 1 2 , , . 5 5.1 ( ), 20 / 1% 0,1 %. . 1 0,5 4, . , - - 1924-22012 3 . , - . , . . . , . , . , . , . , 10. 10. 1 . 1. a , 10; b , 10; 10 1 5.2 .
6、 5.3 , (, ), 1 %, . 5.4 ( ). 6 . , , . 1924-22012 4 , , . . , (180 1) . , (, ). , (10 2,5) % . . , . , , . , . . (20 5) /, , , , . , 5 , , 30 . , . 7 7.1 186, . , , . 7.2 O 187. , . . . , . , , . 7.3 , (7.2). , 7.1, 10 , (15 0,1) , . , , 10 . , . . , (180 1) . , , . , . 0,1 . , , 1 211 O 536. O 534, (100 10) . 1 .
