Engine Titanium Consortium - Center for Nondestructive Evaluation ...

Milestones:
Original
Date
Revised
Date
Description
General Issues
3 months 7 months Finalize selection of OEM forging samples for
study. CAD files will be provided to ISU for
generation of sensitivity and coverage maps. (HW,
GE, PW)
3 months Complete design of transducer design model
sample blocks. (GE with support of HW, ISU, PW)
15 months 18 months Complete manufacture of transducer design model
sample blocks. (GE)
24 months Finalize and transition transducer design models to
OEMs. (ISU)
24 months -30 Review fundamental property data from 1.3.1 for
transducer design optimization. (ISU)
29 months ? Complete model assessment of inspection
sensitivity for OEM forgings including POD
considerations in cooperation with 3.1.2. (ISU with
support from HW, GE, PW)
Fabrication of calibration standards
15 months Complete calibration standard design. (All)
24 months 36 Complete manufacture of calibration standards.
(GE)
Surface finish studies
36 months
Generation of samples and collection of empirical
data for surface finish studies (GE)
39 months
Determine surface finish requirements for 1/128”
FBH forging inspection. (All)
42 months
Implementation of empirical results from surface
finish results in UT model tools. (ISU)
42 months
Review curvature correction approaches from 1.3.1
(All)
Titanium forging fixed-focus inspection
development
24 months 30 Complete definition of transducer beam properties
required for a 1/128” FBH calibration in Ti-6Al-4V.
(ISU, GE, PW and HW)
33 months
Complete any needed new transducers. Establish
commercial sources for transducers. (GE)
-------------------------------------------------------------------
44
Complete definition of maximum productivity fixed
focus inspection approach. (GE with support from
PW, AS, ISU)
Status
complete
complete
Task cancelled – results not needed
to resolve transducer model
problems
complete
An additional sample may be
required
Alignment with 3.1.2 will follow
restart of that task
complete
Raw material delivered
Final definition depends on
completion of noise analysis
The second half was moved to 44
months.
39 months Establish fixed focus laboratory testbed. (GE)
40 months Finalize scan plans for OEM forgings. (All)
42 months Conduct laboratory inspection of high sensitivity
zoned inspection on six OEM forgings. Provide
data to 3.1.2 for model validation and POD
prediction. (All)
43 months Laboratory demonstration of fixed focus high
iti it f i i ti f fl t f
Quarterly Report – January 1, 2002 –March 31, 2002
print date/time: 6/6/2002 - 8:39 AM – Page 67