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

Technical Report · Wed Oct 01 04:00:00 EDT 1997

DOI:https://doi.org/10.2172/555507· OSTI ID:555507

Lee, H R; Yun, W; Cai, Z; Rodrigues, W; Kupperman, D S

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}.

• Research Organization: Argonne National Lab., IL (United States)
• Sponsoring Organization: USDOE Office of Energy Research, Washington, DC (United States)
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 555507
• Report Number(s): ANL/XFD/CP--93906; CONF-9706157--; ON: DE97053854
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
43 PARTICLE ACCELERATORS
66 PHYSICS
ACCELERATOR FACILITIES
ADVANCED PHOTON SOURCE
BEAM OPTICS
COMPOSITE MATERIALS
EXPERIMENTAL DATA
RESIDUAL STRESSES
USES
X-RAY DIFFRACTION