DESIGN AND DEVELOPMENT OF A NANOPARTICLE DEPOSITION SYSTEM FOR COATING MEDICAL DEVICES - Medical Device Manufacturing - page 187

Table 8. Chemical Composition Results from XRF Analysis

Nanocrystalline Powder - Fine - 6063
Al

Nanocrystalline Powder - Coarse - 6063
Al

element % composition + / - element % composition + / -

Al 99.89 0.11 Al 99.93 0.11

Zr 0.02 0.01 Fe 0.05 0.02

Fe 0.06 0.02

Sample 1 - Pre-Impact - 7075 Al Sample 1 - Post-Impact - 7075 Al

element % composition + / - element % composition + / -

Al 92.76 0.27 Al 92.56 0.27

Zn 5.46 0.17 Zn 5.55 0.17

Cu 1.42 0.06 Cu 1.52 0.06

Fe 0.08 0.02 Fe 0.11 0.03

Cr 0.28 0.06 Cr 0.21 0.06

Sample 2 - Pre-Impact - 7075 Al Sample 2 - Post-Impact - 7075 Al

element % composition + / - element % composition + / -

Al 92.64 0.26 Al 92.5 0.26

Zn 5.55 0.17 Zn 5.54 0.17

Cu 1.45 0.06 Cu 1.47 0.06

Fe 0.09 0.03 Fe 0.07 0.02

Cr 0.24 0.06 Cr 0.24 0.06

Sample 3 - Pre-Impact Sample 3 - Post-Impact

element % composition + / - element % composition + / -

Fe 99.34 0.35 Fe 99.37 0.39

Mn 0.37 0.09 Mn 0.41 0.09

Sample 3 - Pre-Impact Sample 3 - Post-Impact
element % composition + / - element % composition + / -
Fe 99.39 0.5 Fe 99.04 0.34
Mn 0.38 0.12 Mn 0.42 0.10
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Hardness measurements were similarly taken before and after impact
events, to measure any changes in hardness of the impacted area. Results are