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Title: X-ray study of Pd 40Cu 30Ni 10P 20 bulk metallic glass brazing filler for Ti-6Al-7Nb alloy

Abstract

Crystalline precipitates in a bulk-metallic-glass (BMG) braze were investigated with an intense x-ray microbeam. The precipitates were found in the Pd{sub 40}Cu{sub 30}P{sub 20}Ni{sub 10} BMG braze matrix after joining crystalline Ti-6Al-7Nb. However, the role (if any) played by the precipitates in improving the mechanical bond of the BMG/crystalline joint is unknown. X-ray microdiffraction and microfluorescence measurements from small sample volumes were made with an {approx} 0.5 x 0.5 {micro}m2 beam. Spatially-resolved Laue diffraction and x-ray fluorescence measurements were made on several second-phase crystals within the BMG matrix. Although precipitate crystals with the observed compositions were anticipated to be predominantly hexagonal, one of the crystals was found to be cubic or tetragonal. The instrumentation includes capabilities for 3D depth-resolved measurements of crystal structure and for fluorescence analysis of elemental composition. Depth profiling gave information about the grain distribution and morphology in the BMG matrix.

Authors:
 [1];  [2];  [2];  [2];  [3];  [1];  [3]
  1. Nagasaki University, Nagasaki, Japan
  2. ORNL
  3. Tohoku University, Japan
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
978716
DOE Contract Number:  
DE-AC05-00OR22725
Resource Type:
Journal Article
Resource Relation:
Journal Name: Materials Science Forum; Journal Volume: 539-543
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ALLOYS; BRAZING; CRYSTAL STRUCTURE; DIFFRACTION; DISTRIBUTION; FILLERS; FLUORESCENCE; GLASS; MORPHOLOGY

Citation Formats

Miura, E., Ice, Gene E, Specht, Eliot D, Pang, Judy, Kato, H., Hisatsune, K., and Inoue, I. X-ray study of Pd40Cu30Ni10P20 bulk metallic glass brazing filler for Ti-6Al-7Nb alloy. United States: N. p., 2007. Web. doi:10.4028/www.scientific.net/MSF.539-543.1983.
Miura, E., Ice, Gene E, Specht, Eliot D, Pang, Judy, Kato, H., Hisatsune, K., & Inoue, I. X-ray study of Pd40Cu30Ni10P20 bulk metallic glass brazing filler for Ti-6Al-7Nb alloy. United States. doi:10.4028/www.scientific.net/MSF.539-543.1983.
Miura, E., Ice, Gene E, Specht, Eliot D, Pang, Judy, Kato, H., Hisatsune, K., and Inoue, I. Mon . "X-ray study of Pd40Cu30Ni10P20 bulk metallic glass brazing filler for Ti-6Al-7Nb alloy". United States. doi:10.4028/www.scientific.net/MSF.539-543.1983.
@article{osti_978716,
title = {X-ray study of Pd40Cu30Ni10P20 bulk metallic glass brazing filler for Ti-6Al-7Nb alloy},
author = {Miura, E. and Ice, Gene E and Specht, Eliot D and Pang, Judy and Kato, H. and Hisatsune, K. and Inoue, I.},
abstractNote = {Crystalline precipitates in a bulk-metallic-glass (BMG) braze were investigated with an intense x-ray microbeam. The precipitates were found in the Pd{sub 40}Cu{sub 30}P{sub 20}Ni{sub 10} BMG braze matrix after joining crystalline Ti-6Al-7Nb. However, the role (if any) played by the precipitates in improving the mechanical bond of the BMG/crystalline joint is unknown. X-ray microdiffraction and microfluorescence measurements from small sample volumes were made with an {approx} 0.5 x 0.5 {micro}m2 beam. Spatially-resolved Laue diffraction and x-ray fluorescence measurements were made on several second-phase crystals within the BMG matrix. Although precipitate crystals with the observed compositions were anticipated to be predominantly hexagonal, one of the crystals was found to be cubic or tetragonal. The instrumentation includes capabilities for 3D depth-resolved measurements of crystal structure and for fluorescence analysis of elemental composition. Depth profiling gave information about the grain distribution and morphology in the BMG matrix.},
doi = {10.4028/www.scientific.net/MSF.539-543.1983},
journal = {Materials Science Forum},
number = ,
volume = 539-543,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 2007},
month = {Mon Jan 01 00:00:00 EST 2007}
}