JAERJ-Research 96-009 - iaea.org · JAERJ-Research 96-009 B * n ^ ^j if % m Japan Atomic Energy Research Institute VOL 271&17

JAERJ-Research96-009

B * n ^ j if % mJapan Atomic Energy Research Institute

VOL 271&17

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JAIJKI-ltesflftrcli 00-009

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JAIiKI-Ki-swtrcli «0-00»

rubrical ion of Uranium IMu ton him Mixed Carbide and

Nitr ide h i d IMns for the Irradial ion Test in JOVO

Ynsuo AKAI. Tabs l i i M i . Tsitsiin SASAYAMA. Yosfiihiro OKAMOTOKen ichi S1IIOZAWA and Yasuftimi SUZUKI

Department of Chemistry and Fuel Research

Tok;il Research Hstablishtnunl•Ifipan Atomic Hncfgy Kescarcli I n s t i t u t e

Tokai irnira. Naka p n . lli;iraki-kcn

(Kecelveil Jamiiiry 3n. l!)!

One ttraiiititn phi lott him mixed carliidc fuel pin and Un nilridt* fire I pins were faliricittcdfor the i r r a d i a t i o n l e s t in f a s t t e s t r e a c t o r JOVO based on the JAIiKI I'NC j o i n tresearch program e n t i t l e d "Hasic Irradiat ion Test of Carbide and Ni tr ide Fuels for I'aslKeaetors". This paper summarizes I lie r e s u l t s of the study JAIiRl mainly has heen in• li;ir>;c of no far in the program, including the design of fuel pins, preparation of fuelp e l l e t s , fabr icat ion of fuel pins and so on.

Keywords: Cranium. Plutonium. Mixed Carbide. Mixed N i t r i d e . I r r a d i a l i o n T e s t , f u e lI ' d l e i . Fuel I ' in. Fas t Test R e a c t o r .I0V0. Advanced F u e l . I r r a d i a t i o nVertnrmme

»l»*-ti *.i«. U V K W I U I uMlrf lf«% JU.bl'I'NC ioint t iM' .mh

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Contents

1. Introdnct ion ' i"""111" 1

2. t)osi)?n of Fuel Pins *i> v ' i «" 2

2. 1 Basic Design • • »•••• • 2

2.2 Detailed Design 2

3. Preparation of Fuel Pellets • 3

3. 1 Raw Materials 3

a 2 Preparation of Carbide Pellets 3

3.3 Preparation of Nitride Pellets • •» ""•'• ' <t

3. 4 Centerlcss Grind trie •••• * "•• • •••••• • 43. 5 Characterization ••"»»"•"»»•»•» » «...».. ...„.„,„,„.,„,„,„„....... ,\

4. Fatirication of Fuel Pins - 74. 1 Constituent Parts of hie I Pins 71.2 Fatirication of Fuel Pins • 7

1.3 Execution Tests of Welding 7

4.4 Inspection of Fuel Pins 8

5. Postscript • 0

Acknowledgement "'•* 9

References • * • • U

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Table I Cluiraclorisiic.'i of carbide and nil ride fuel pins

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Fi&2 Mitrnslructiirc of fuel pellets

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JAERJ-Research 96-009 - iaea.org · JAERJ-Research 96-009 B * n ^ ^j if % m Japan Atomic Energy Research Institute VOL 271&17