Study of strain measurement of austenitic stainless steel using synchrotron white X-ray

Kiriyama, Koji; Shibano, Junichi*; Shobu, Takahisa ; Suzuki, Kenji*; Nishimura, Suguru*; Kaneko, Hiroshi

Austenitic stailess steel consist of large grains about 50 to 100 m in size. Therefore, it is difficult to measure strain of the steel using X-ray diffraction. In this study, a new analysis method applied to X-ray profiles of the steel by using synchrotron white X-ray. The results showed that average strain mapping of austenitic Fe(311), (420), (620), which are similar Young modulus, was suitable to predicted that, althogh strain mappings by using single planes were not reasonable. This suggested that it would be possible to measure strains in small area, for example crack tips, at austenitic stainless steel.

Language	:	Japanese
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Meeting title	:	第22回日本放射光学会年会・放射光科学合同シンポジウム
Held date	:	2009/01
Location (city)	:	東京
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	SPring-8(大型放射光施設)
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Registration No. : BB20082939
JAEA Abstracts No. :
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