Read or Download Metallurgy Division - Semiannual Progress Rpt [Jan 31, 1952] [Declassified] PDF
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Extra info for Metallurgy Division - Semiannual Progress Rpt [Jan 31, 1952] [Declassified]
Example text
T h e e x t e n t to w h i c h d e p l e t i o n of t h e s o l u t e from t h e a l l o y o c c u r s a t t h e - p o i n t s of contact w i l l be determined as the experiments are done. J T h e r e s u l t s a r e g i v e n i n T a b l e 10 and i t c a n be s e e n t h a t e v e n i n t h e c a s e where t h e d e g a s s i n g p r e s s u r e r o s e t o 3 m i c r o n s t h e h a r d e n i n g of t h e z i r c o n i u m was n o t g r e a t . 16 micron, r e s u l t e d i n a lowering of t h e hardness.
T h e s e a l l o + s were t h e n r e a n n e a l e d f o r 12 d a y s a t 802OC. ( 4 ) C . T. A n d e r s o n , E. T. H a y e s . A . H . R o b e r s o n , and W. J . K r o l l . A P r e l i m r n a r y S u r v e y o f Z i r c o n i u m A l l o y s , Bureau o f Mi%@@Report o f I n v e s t i g a t i o n s 4 6 5 8 , March 1 9 5 0 . The r e s u l t s o f t h e s e a n n e a l s showed t h e b e t a phase of t h e s-ilverzirconium system decomposes eut e c t o i d l y a t some t e m p e r a t u r e b e l o w 802OC and t h a t t h e s o l i d s o l u b i l i t y o f t h e a l p h a p h a s e is r e s t r i c t e d t o a b o u t 0 .
I. $ $. J . i* :e-&& .................. . ..... .. -- 29 I... - ~- 0 0 0 - . -... _- ........ . I . 0 0 - . - 0 . ~ Fig. 22. L o n g i t u d i n a l S e c t i o n o f 1-in. - d i a Extruded T h o r i u m Rod . i n AsExtruded Condition Showing Deformed Grain Structure. Met. s p e c . 3 9 1 6 ; s a m p l e A-239-C2-40; e t c h e d w i t h a c e t i c - p e r c h l o r i c a c i d . 200X. - . 7. .. Fig. 23. -dia Extruded Thorium Rod in AsExtruded C o n d i t i o n S h o w i n g Completely R e c r y s t a l l i z e d 'Grain Structure.