X-ray microdiffraction studies to measure strain fields in a metal matrix composite

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Description

An x-ray diffraction microscope has been used to map the strain field in a fiber-reinforced composite material. The monochromatic x-ray (11 keV) beam was focused by a phase zone plate to produce a focal spot of 1 x 4 {micro}m{sup 2} on the specimen. The change in the peak position of diffraction patterns due to interatomic spacing change, caused by stress in the sample, was measured by using a two-dimensional CCD detector. The radial residual strain field in the fiber-reinforced composite (SCS-6/Ti-14Al-21Nb) was measured from diffraction patterns with a sensitivity of {approximately} 10{sup {minus}4} and an average standard deviation of ... continued below

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4 p.

Creation Information

Lee, H.R.; Yun, W.; Cai, Z.; Rodrigues, W. & Kupperman, D.S. October 1, 1997.

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Description

An x-ray diffraction microscope has been used to map the strain field in a fiber-reinforced composite material. The monochromatic x-ray (11 keV) beam was focused by a phase zone plate to produce a focal spot of 1 x 4 {micro}m{sup 2} on the specimen. The change in the peak position of diffraction patterns due to interatomic spacing change, caused by stress in the sample, was measured by using a two-dimensional CCD detector. The radial residual strain field in the fiber-reinforced composite (SCS-6/Ti-14Al-21Nb) was measured from diffraction patterns with a sensitivity of {approximately} 10{sup {minus}4} and an average standard deviation of 9.4 {times} 10{sup {minus}5}.

Physical Description

4 p.

Notes

INIS; OSTI as DE97053854

Source

  • SRI `97: 10. U.S. national conference on synchrotron radiation instrumentation, Ithaca, NY (United States), 17-20 Jun 1997

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  • Other: DE97053854
  • Report No.: ANL/XFD/CP--93906
  • Report No.: CONF-9706157--
  • Grant Number: W-31109-ENG-38
  • DOI: 10.2172/555507 | External Link
  • Office of Scientific & Technical Information Report Number: 555507
  • Archival Resource Key: ark:/67531/metadc690563

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  • October 1, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Dec. 16, 2015, 6:50 p.m.

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Lee, H.R.; Yun, W.; Cai, Z.; Rodrigues, W. & Kupperman, D.S. X-ray microdiffraction studies to measure strain fields in a metal matrix composite, report, October 1, 1997; Illinois. (digital.library.unt.edu/ark:/67531/metadc690563/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.