Final Report - Strategic Environmental Research and Development ...

Table 4-15 Minitab Three Output Optimization response......................................... 95
Table 4-16 Parameters Selected for Mechanical Test Specimens .................................. 96
Table 4-17 Fatigue Test Matrix for IN718 on IN718. .................................................... 99
Table 4-18 Fatigue Results ........................................................................................... 101
Table 4-19 Equations for Fatigue Life for Different Specimen Configurations........... 102
Table 4-20 Approximate Cycles to Failure (Percentage Fatigue Debit from Baseline)105
Table 4-21 Approximate Cycles to Failure (Percent of Baseline)................................ 105
Table 4-22 Tensile Test Matrix for IN718 on IN718 ................................................... 108
Table 4-23 Tensile Data Summary ............................................................................... 109
Table 4-24 Individual Specimen Tensile Data.............................................................. 109
Table 4-25 Wear Test Matrix for IN718....................................................................... 119
Table 4-26 Pin-on-Disk Friction Summary .................................................................. 122
Table 4-27 Pin-on-Disk Groove Depth......................................................................... 123
Table 4-28 H-S Wear Test Matrix for IN718 on IN718. .............................................. 130
Table 4-29 Test Parameters for Wear Test on IN718 Panels With and Without ESD
Repair...................................................................................................................... 131
Table 4-30 Weight Measurements Before and After HS Wear Test ............................ 135
Table 4-31 Summary of the Wear Coefficients for the Panels and Counterface
Specimens in the Wear Test.................................................................................... 137
Table 4-32 Corrosion Test Matrix for IN718 on IN718. .............................................. 140
Table 4-33 IN718 Corrosion Coupon Numbers and Parameters................................. 140
Table 4-34 Deflection from ESD Deposit .................................................................... 146
Table 4-35 Adhesion Bond Test Results ...................................................................... 148
Table 4-36 Candidate Components............................................................................... 152
Table 4-37 Microhardness Data.................................................................................... 158
Table 5-1 ESD Parameter Optimization for M1A1 Cannon Cradle.............................. 169
Table 5-2 Knoop Microhardness Measurements in Various Locations for ESDdeposited
Inconel 718 on 4130 Steel ...................................................................... 172
Table 5-3 ESD Parameter Optimization for M1A1 Helical Gear Shaft ....................... 177
Table 6-1 ESD Parameters for Deposition of Alloy 400 Onto K500 Test Coupons .... 186
Table 6-2 24 Hour Cycle for GM9540P Accelerated Corrosion Test .......................... 189
Table 6-3 Coating Compositions and Deposition Parameters for ESD Deposition Onto
Alloy 625 Test Specimens ...................................................................................... 194
Table 6-4 Crevice Corrosion Results for Three Ni-Cr-Mo ESD Coatings and Uncoated
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