THE EFFECT OF STRAIN RATE ON THE TENSILE AND FRACTURE PROPERTIES OF BS-4360 A-GRADE SHIP STEEL

被引：1
作者：
JONES, RL
DAVIES, PC
机构：
[1] Admiralty Research Establishment, Poole, Dorset, BH16 6JU, Holton Heath
来源：
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES | 1991年 / 14卷 / 01期
关键词：
D O I：
10.1111/j.1460-2695.1991.tb00648.x
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Abstract— The results of high rate tensile and compact tension fracture toughness tests conducted on BS 4360 ‘A’ grade ship steel are presented. Tensile results are reported for strain rates within the range 10–2–103/s and fracture toughness values at rates of increase of J integral within the range 103–106 N/mm/s. The tensile properties of upper yield, lower yield and UTS are shown to be linearly dependent on the logarithm of strain rate whilst fracture toughness is shown to decrease with increasing loading rate prior to approaching a minimum value. The decrease in fracture toughness with increasing test rate is shown to be related to a change in the micro‐mechanism of fracture. Copyright © 1991, Wiley Blackwell. All rights reserved
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页码：131 / 141
页数：11
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