NCSX Composite Coil Testing Tests Performed During the Week of 15 March 2004.

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Presentation transcript:

NCSX Composite Coil Testing Tests Performed During the Week of 15 March 2004

Tests Performed Plug Longitudinal Shear Three Point Flexure Beyond Yield

Plug Longitudinal Shear

Tested several length samples: 0.5”, 0.25”, 0.15” Tested several diameter punches: 0.187”,0.125” Various aspect ratios tested: –If the sample length is to long with respect to the punch diameter – the material crushes and ultimately the sample bursts.

Aspect Ratio too Large

Correct Aspect Ratio

Load – Displacement Curve

Shear Sample DepthPunch DiaHole DiaShear AreaLoadSlopeModulusAvgSD in sq in lbf/inKsi SC-2-X SC-2-X SC-1-X SC-3-X SC-4-X SC-5-X SC-6-X

Shear Sample DepthPunch DiaHole DiaShear AreaLoadSlopeModulusAvgSD in sq in lbf/inKsi SC-1-X SC-3-X SC-4-X SC-5-X SC-6-X

Three Point Flexure Beyond Yield Bare impregnated conductor samples were cycled four times below or just to yield. The samples were then cycled to nearly an inch beyond yield. Six samples were tested at room temp. Three samples were tested at LN2 temp.

Room Temp. Samples

Bend Detail

LN2 Sample Data- 5 Cycles

Detail of Elastic Region

Comparison of RT and LN2

Tangent Modulus of Elasticity (ASTM D-790) SampleTempSpanWidthDepthSlope ModulusAverageStd Dev #LbdmEb CinIninlbf/in 10E6 psi CC-7-C CC-8-C CC-9-C CC-10-C CC-11-C CC-12-C

LN2 Samples SampleTempSpanWidthDepthSlope ModulusAverageStd Dev #LbdmEb CinIninlbf/in 10E6 psi CC-7-D CC-8-D CC-9-D