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ORNL-1771 - Oak Ridge National Laboratory

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7 .<br />

Mass Transfer in Liquid Lead ........................................... 100<br />

Flammability of Sodium Alloys .......................................... 102<br />

Thermodynamics of Alkali-Metal Hydroxides. ................................. 102<br />

Chemical Studies of Corrosion ............................................ 108<br />

Effect of Temperature on Corrosion of lnconel and Type 316 Stainless Steel ............. 108<br />

Corrosion by Fission Products .......................................... 109<br />

Controlled-Velocity Corrosion Testing Apparatus .............................. 109<br />

Reaction Between Graphite and Fluoride Melt ................................. 110<br />

Lithium Fluoride Castings ............................................. 110<br />

METALLURGY ..................................................... 111<br />

Stress-Rupture Tests of lnconel ........................................... 112<br />

High-Conductivity-Fin Sodium-to-Air Radiator ................................. 116<br />

Investigations of Fin Materials .......................................... 117<br />

Development of Brazing Alloys for Use in Fabricating Radiators .................... 118<br />

Radiator Fabrication ................................................. 120<br />

Nozzles for the Gas-Fired Liquid-Metal-Heater System ............................ 120<br />

Special Materials Fabrication Research., .................................... 121<br />

Stainless-Steel-Clad Molybdenum and Columbium. .............................. 121<br />

Inconel-Type Alloys ................................................. 122<br />

Nickel-Molybdenum-Base Alloys ......................................... 122<br />

Duplex Tubing. .................................................... 123<br />

Sigma-Phase Alloys ................................................. 124<br />

Boron Carbide Shielding ............................................... 124<br />

Tubular Fuel Elements ............................................... 124<br />

Metallographic Examination of a Fluoride-to-Sodium Heat Exchanger. .................. 124<br />

8 . HEAT TRANSFER AND PHYSICAL PROPERTIES ..............................<br />

Physical Properties Measurements .........................................<br />

Heat Capacity .....................................................<br />

Density and Viscosity ................................................<br />

Thermal Conductivity ................................................<br />

Electrical Conductivity ...............................................<br />

Vapor Pressure ....................................................<br />

Fused-Salt Heat Transfer. ..............................................<br />

Transient Boiling Research .............................................<br />

Fluid Flow Studies for Circulating-Fuel Reactors ...............................<br />

127<br />

127<br />

127<br />

127<br />

129<br />

129<br />

129<br />

130<br />

130<br />

131<br />

Heat Transfer Studies for Circulating-Fuel Reactors<br />

131<br />

.............................<br />

9 . RADIATIONDAMAGE ................................................. 134<br />

MTR Static Corrosion Tests ............................................. 134<br />

Fission Product Corrosion Study .......................................... 135<br />

Facilities for Handling Irradiated Capsules ................................... 135<br />

Analysis of Irradiated Fluoride Fuels for Uranium ............................... 136<br />

High-Temperature Check Valve Tests ....................................... 137<br />

Miniature In-Pile Loop - Bench Test ....................................... 137<br />

Life Tests on an RPM Meter. Bearings. and a Small Electric Motor Under Irradiation ......... 137<br />

Removal of Xenon from Fused Fluorides ..................................... 140<br />

C,F,.UF, Irradiation ................................................. 140<br />

LlTR Horizontal-Beam-Hole Fluoride-Fuel Loop ................................ 141<br />

<strong>ORNL</strong> Graphite Reactor Sodium-lnconel Loop .................................. 142<br />

Creep and Stress-Corrosion Tests ......................................... 142<br />

xi

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