Supersmall punch test to estimate fracture toughness JIc and its application to radiation embrittlement of 2.25Cr-1Mo steel
作者： X Mao , H Takahashi , T Kodaira
DOI: 10.1016/0921-5093(92)90116-I
关键词:
摘要: Abstract A supersmall punch test has been used to extract fracture strain information on irradiated 2.25Cr-1Mo steel from transmission electron microscopy disc specimens as small 3 mm in diameter and 0.25 thickness. The is based driving a ball through clamped specimen. size effect of biaxial equivalent various kinds materials demonstrated. results obtained related almost linearly the toughness J Ic for elastic plastic behaviour. relationship between verified nuclear pressure vessel so that large amounts irradiation space reactor could be saved.
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