Materials Discussion / Integrated Testing Plan
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Materials Discussion / Integrated Testing Plan. Final Optics Transmissive - issues related to absorption Reflective - LIDT and effect of dust - neutron-induced swelling in GIMM and substrate - mitigate neutron induced dimensional change Unique Issues

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Materials discussion integrated testing plan

Materials Discussion / Integrated Testing Plan

Final Optics

Transmissive

- issues related to absorption

Reflective

- LIDT and effect of dust

- neutron-induced swelling in GIMM

and substrate

- mitigate neutron induced

dimensional change

Unique Issues

Cyclic Thermomechanics

- modeling

- high cycle fatigue of engineering matl’s

Pulsed Neutron Effects

Pulsed X-ray

- threshold and roughening

He Ablation Effects

Pulsed Ion

Materials Specific Issues

Graphite Composite

- Lifetime under high temp. irradiation

- Tritium retention during high temp. irradiation

- Radiation Enhanced Sublimation at high temp.

Ceramic Composite System

- development and properties including fatigue

Refractory Armored System

- development and properties including fatigue

Alloy system

- effects of environment on fatigue properties


Materials discussion integrated testing plan

Materials Discussion / Integrated Testing Plan

Final Optics

Transmissive

- issues related to absorption

Reflective

- LIDT and effect of dust

- neutron-induced swelling in GIMM

and substrate

- mitigate neutron induced

dimensional change

Unique Issues

Cyclic Thermomechanics

- modeling

- high cycle fatigue of engineering matl’s

Pulsed Neutron Effects

Pulsed X-ray

- threshold and roughening

He Ablation Effects

Pulsed Ion

Materials Specific Issues

Graphite Composite

- Lifetime under high temp. irradiation

- Tritium retention during high temp. irradiation

- Radiation Enhanced Sublimation at high temp.

Ceramic Composite System

- development and properties including fatigue

Refractory Armored System

- development and properties including fatigue

Alloy system

- effects of environment on fatigue properties

}

Absorption studies indicated that loss would be unacceptable high in transmissive optics. Emphasis was shifted to reflective

optics


Materials discussion integrated testing plan

Materials Discussion / Integrated Testing Plan

Final Optics

Transmissive

- issues related to absorption

Reflective

- LIDT and effect of dust

- neutron-induced swelling in GIMM

and substrate

- mitigate neutron induced

dimensional change

Unique Issues

Cyclic Thermomechanics

- modeling

- high cycle fatigue of engineering matl’s

Pulsed Neutron Effects

Pulsed X-ray

- threshold and roughening

He Ablation Effects

Pulsed Ion

Materials Specific Issues

Graphite Composite

- Lifetime under high temp. irradiation

- Tritium retention during high temp. irradiation

- Radiation Enhanced Sublimation at high temp.

Ceramic Composite System

- development and properties including fatigue

Refractory Armored System

- development and properties including fatigue

Alloy system

- effects of environment on fatigue properties

}

Current Optics Program Plan


Materials discussion integrated testing plan

Materials Discussion / Integrated Testing Plan

Final Optics

Transmissive

- issues related to absorption

Reflective

- LIDT and effect of dust

- neutron-induced swelling in GIMM

and substrate

- mitigate neutron induced

dimensional change

Unique Issues

Cyclic Thermomechanics

- modeling

- high cycle fatigue of engineering matl’s

Pulsed Neutron Effects

Pulsed X-ray

- threshold and roughening

He Ablation Effects

Pulsed Ion

Materials Specific Issues

Graphite Composite

- Lifetime under high temp. irradiation

- Tritium retention during high temp. irradiation

- Radiation Enhanced Sublimation at high temp.

Ceramic Composite System

- development and properties including fatigue

Refractory Armored System

- development and properties including fatigue

Alloy system

- effects of environment on fatigue properties

}

pending

}


Materials discussion integrated testing plan

Materials Discussion / Integrated Testing Plan

Final Optics

Transmissive

- issues related to absorption

Reflective

- LIDT and effect of dust

- neutron-induced swelling in GIMM

and substrate

- mitigate neutron induced

dimensional change

Unique Issues

Cyclic Thermomechanics

- modeling

- high cycle fatigue of engineering matl’s

Pulsed Neutron Effects

Pulsed X-ray

- threshold and roughening

He Ablation Effects

Pulsed Ion

Materials Specific Issues

Graphite Composite

- Lifetime under high temp. irradiation

- Tritium retention during high temp. irradiation

- Radiation Enhanced Sublimation at high temp.

Ceramic Composite System

- development and properties including fatigue

Refractory Armored System

- development and properties including fatigue

Alloy system

- effects of environment on fatigue properties

}

Ghoniem work


Materials discussion integrated testing plan

Final Optics

Transmissive

- issues related to absorption

Reflective

- LIDT and effect of dust

- neutron-induced swelling in GIMM

and substrate

- mitigate neutron induced

dimensional change

Unique Issues

Cyclic Thermomechanics

- modeling

- high cycle fatigue of engineering matl’s

Pulsed Neutron Effects

Pulsed X-ray

- threshold and roughening

He Ablation Effects

Pulsed Ion

Materials Specific Issues

Graphite Composite

- Lifetime under high temp. irradiation

- Tritium retention during high temp. irradiation

- Radiation Enhanced Sublimation at high temp.

Ceramic Composite System

- development and properties including fatigue

Refractory Armored System

- development and properties including fatigue

Alloy system

- effects of environment on fatigue properties

}

Pending

~200 MPa at 108 cycles


Materials discussion integrated testing plan

Materials Discussion / Integrated Testing Plan

Final Optics

Transmissive

- issues related to absorption

Reflective

- LIDT and effect of dust

- neutron-induced swelling in GIMM

and substrate

- mitigate neutron induced

dimensional change

Unique Issues

Cyclic Thermomechanics

- modeling

- high cycle fatigue of engineering matl’s

Pulsed Neutron Effects

Pulsed X-ray

- threshold and roughening

He Ablation Effects

Pulsed Ion

Materials Specific Issues

Graphite Composite

- Lifetime under high temp. irradiation

- Tritium retention during high temp. irradiation

- Radiation Enhanced Sublimation at high temp.

Ceramic Composite System

- development and properties including fatigue

Refractory Armored System

- development and properties including fatigue

Alloy system

- effects of environment on fatigue properties

}

Limited ongoing work in

modeling community


Materials discussion integrated testing plan

Materials Discussion / Integrated Testing Plan

Final Optics

Transmissive

- issues related to absorption

Reflective

- LIDT and effect of dust

- neutron-induced swelling in GIMM

and substrate

- mitigate neutron induced

dimensional change

Unique Issues

Cyclic Thermomechanics

- modeling

- high cycle fatigue of engineering matl’s

Pulsed Neutron Effects

Pulsed X-ray

- threshold and roughening

He Ablation Effects

Pulsed Ion

Materials Specific Issues

Graphite Composite

- Lifetime under high temp. irradiation

- Tritium retention during high temp. irradiation

- Radiation Enhanced Sublimation at high temp.

Ceramic Composite System

- development and properties including fatigue

Refractory Armored System

- development and properties including fatigue

Alloy system

- effects of environment on fatigue properties

Planned [email protected] and [email protected]

Ongoing and Planned, ORNL,UNC,DELFT

}

Ongoing and Plannned, [email protected]

}

}


Materials discussion integrated testing plan

Materials Discussion / Integrated Testing Plan

Final Optics

Transmissive

- issues related to absorption

Reflective

- LIDT and effect of dust

- neutron-induced swelling in GIMM

and substrate

- mitigate neutron induced

dimensional change

Unique Issues

Cyclic Thermomechanics

- modeling

- high cycle fatigue of engineering matl’s

Pulsed Neutron Effects

Pulsed X-ray

- threshold and roughening

He Ablation Effects

Pulsed Ion

Materials Specific Issues

Graphite Composite

- Lifetime under high temp. irradiation

- Tritium retention during high temp. irradiation

- Radiation Enhanced Sublimation at high temp.

Ceramic Composite System

- development and properties including fatigue

Refractory Armored System

- development and properties including fatigue

Alloy system

- effects of environment on fatigue properties

Current OFES/HAPL work

HFIR Irradiation

{


Materials discussion integrated testing plan

Materials Discussion / Integrated Testing Plan

Final Optics

Transmissive

- issues related to absorption

Reflective

- LIDT and effect of dust

- neutron-induced swelling in GIMM

and substrate

- mitigate neutron induced

dimensional change

Unique Issues

Cyclic Thermomechanics

- modeling

- high cycle fatigue of engineering matl’s

Pulsed Neutron Effects

Pulsed X-ray

- threshold and roughening

He Ablation Effects

Pulsed Ion

Materials Specific Issues

Graphite Composite

- Lifetime under high temp. irradiation

- Tritium retention during high temp. irradiation

- Radiation Enhanced Sublimation at high temp.

Ceramic Composite System

- development and properties including fatigue

Refractory Armored System

- development and properties including fatigue

Alloy system

- effects of environment on fatigue properties

Waiting for completion of thermal

ablation study

{

Pending

{


Materials discussion integrated testing plan

Final Optics

Transmissive

- issues related to absorption

Reflective

- LIDT and effect of dust

- neutron-induced swelling in GIMM

and substrate

- mitigate neutron induced

dimensional change

Unique Issues

Cyclic Thermomechanics

- modeling

- high cycle fatigue of engineering matl’s

Pulsed Neutron Effects

Pulsed X-ray

- threshold and roughening

He Ablation Effects

Pulsed Ion

Materials Specific Issues

Graphite Composite

- Lifetime under high temp. irradiation

- Tritium retention during high temp. irradiation

- Radiation Enhanced Sublimation at high temp.

Ceramic Composite System

- development and properties including fatigue

Refractory Armored System

- development and properties including fatigue

Alloy system

- effects of environment on fatigue properties

{

Ongoing development

Fatigue Planned

{

Proposed FY-03


Materials discussion integrated testing plan

Round-Robin Materials

• All “candidate” optical and structural materials under the HAPL program are being coordinated to ensure uniformity in materials chemistry, history and where appropriate the surface condition (eg polishing for surface studies.)

• Currently, the “candidate” materials being distributed are:

Tungsten:Zone refined single crystal (99.999%)

Chemically Vapor Deposited (99.995%)

Powder met. Polycrystalline (99.99%)

Graphite:FMI-222 balanced weave pitch fiber/matrix composite

Segri Great Lakes Near Isotropic Candidate Nuclear Graphite

Silicon Carbide:Rohm-Haas CVD Silicon Carbide

Aluminum:1000 series, fully annealed

others tbd


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