...

ORBL-2295 C-84 - Reactors-Special

Features of Aircraft Reactors

This document consists o f 96 pages Copy l[d--of 249 cop ies . Series A ,

Contract N o . W-7485-eng-26

Chemistry Division

PHASE EQUILIBRIUM DIAGRAMS FOR FUSED SALT SYSTEMS

R, E. Thoma W. R. Grimes

DATE ISSUE32

OAK RIDGE NATIQNAL LABORATORY Operated by

UNION CARBIDE NUCLEAR COMPANY

Post Office Box X A D i v i s i o n of Union Carbide and Carbon Corporation

3 4456 0322708 7

10. M. A. Bre 11. E. J. Bre

13. F. R. Bruce

-it- OWL-2295

M-3679 (19th ea.)

Reactors-Special Features of Aircraft Reactors

INTmNAL DlSTR IBWTION

46, J. T, Xowe 47. W. H. Jordan 48. Gz#, Keilholtz 49. F. P. Keim 5O&F. L. Keller 5L4 M. T1 Kelley $. F. Kertesz

2 3. J. J. Keyes .,” 54. D. Phillips 55. J. A. Lane 56. R. B. Lindauer

p 57. R. s. Livingston A 9 58. R. N. Lyon

..>e ;

14. A. D. Callih 59. H. G. MaePherson 60. R. E. WcPherson 61. F- C. Mienschein 62. W. D. Manly 63. E, R. Yam

15. D. W. Cardmll 16. C. E. Center ( 17. R. A. Charpie 18. R. L. Clark 19. C. E. Clifford 64. L. A. Mann 20. J. H. Coobs 65. W. B. McDonald 21. W. B. C o t t r e l l 66. J. R. McNally 22. S . J. Cromer 67. F. R. NcQuilkin 23. R. S. Grouse 24. F. L. Culler 69. R. P. Milford 25. D. R. Cunco % % 70. A. 9. Miller 26. J. H. DeVam 1 71. R. E. Moore 27. L. M. Doney . J. G. Morgan 28. D. A . Douglas . K. Z. Morgan 29. E. R. Dytko . E. J. Murphy 30. Id. K. Eister 31. L. B. Emlet (K-25) 32. D. E. Ferguson 33. A. P. Fraas 34. J. H. Frye, Jr. 35. W. T. Furgerson 36. R. J. Gray 37. A , T. Gresky 38. W. R. Grimes 39. A . G. Grindell 40. E. Guth 41. C. S. H a r r i . 1 1 42. E. E. Hoffman 43. H. W. Hoffman 44. A. Hollaender 45. A. S. Householder

68. R. V. 14eghreblian

-iii-

-91, E. D. Shipley 104. A. M. Weinberg 92. A. Simon 105. J. C. White

E. Winters

Document Reference Section . Central Research Library . Laboratory Records Department 103. G. M. Wat . Laboratory Records, ORNL R.C.

142. Albuquerque 143. Argonne Nation

Project, Sandia Project, Washington

147. Assistant Secretary

155. Battelle Memo 156-157. Bettis Plant

159. Bureau of Ae 160. Bureau of Ae resentative

Wuclear Engineering Corporat

uitrters, Air Force Special Weapons C Operations Office

11s Atomic Power Laboratory ckland Area Office s Alamos S c i e n t l f i c Laboratory

. .,.,.._ ,.. . . . .. ., . -. . . . .

.. : i .. -iv-

opment Division) 189. Nuelear Develo a t ion of America 19. Office of the 191. Patent B-L-anch, 192. Patterson-Moos

197. San FTancisco 198. Sandia Cor 199. School of'

a1 Operations (OP-361)

ion (Fox Project)

205. Univer.&ity of California Radiation Laboratory, Livemore 206-223. Wright A i r Development Center (WCOSX-3) 224-248. Technical Information Service Extension, O a k Ridge

249. Division of Research and Development, AEC, OR0

. . . . .._ <<.:<..; .,.. ~

-v-

PHASE EQUILIBRIUM DIAGRAMS FOR FUSED SALT SYSTEMS

Research on l i q u i d fused sa l t fuels should begin wi th phase

e q u i l i b r i u m s t u d i e s . T h i s report is a summary of t h e c u r r e n t

s t a t u s of t h e fused s a l t systems which have been under s t u d y i n

t h e ANP Chemistry Sec t ion du r ing t h e last s e v e r a l y e a r s .

The i n c l u s i o n of a phase e q u i l i b r i u m diagram i n t h i s r e p o r t

is n o t an i n d i c a t i o n t h a t i t r e p r e s e n t s a f i n i s h e d s t u d y . I t

has been necessa ry t o minimize the emphasis on s e v e r a l systems

as i t became clear t h a t t h e s e systems promised small r e t u r n s t o

t h e ANP f u e l s program.

Di scuss ions r ega rd ing t h e e x t e n t of the s t u d y and phase

c h a r a c t e r i s t i c s of each of t h e s e sys tems are t o be found i n t h e

r e f e r e n c e s l i s t ed i n the Table of Contents .

A l a r g e number of people have c o n t r i b u t e d t o an under-

standing o f these phase relationships. A p a r t i a l list of major

c o n t r i b u t o r s t o these studies i n c l u d e s C. J. Barton,

F . F. Blankenship, L . M. B r a t c h e r , V. S. Coleman, H. A . Friedman,

H . I n s l e y , B. S . Landau, 3'. N . McVay, R . E . Moore, R . F . Newton,

B . J . Sturm, J . T r u i t t , @. D. White, and W, C . Whit ley.

-vi -

TABLE OF CONTENTS

System

Li F-BeFZ

NaF-BeFZ

* **

KF-Be FZ

Rb F-Be F2 ** Rb F- ThF4

L i F-ThF,

NaF-ThF4

MgFz -ThF4

A l k a l i f luorides-ZrF4

1 1 11 l?

? ? ? I (1

? ? 11 1 1

LiF-ZrF4

NaF- Z r F4

KF-ZrF,

RbF-ZrF4

CsF-ZrF4

A l k a l i fluorides-UF4

11 1 1 ? ?

11 I 1 1 1

?I 11 11

LiF-UF4

Reference Page

D. M. Roy, R . Roy, and E . F. &born, 1

D. M . Roy , R . Roy , zmd E . F. &born, 2

ANP war. Prog. Rep. March 1 0 , 1957, 3

ANP Quar. Frog. Rep. D e c . 1 0 , 1956, 4

Doklady akad. Nauk, U . S . S . X . , 60 3 9 1 5

J . Am, C e r a m . Soe. 37[7]302, 1954

J . Am. C e r a m . SOC. 36[6]185, 1953

ORNL-2274

ORNL- 2 2 2 1 I_

(1948) ANP Chemistry Sec t ion Progress Report 6 f o r O c t . 9-22, 1956, p. 3

7 f o r Nov. 8-21, 1956, p . 3 J. 0. Blomeke, "An I n v e s t i g a t i o n of ThF4- 8 Fused S a l t S o l u t i o n s f o r Homogeneous Breeder Reactors1', ORNL-1.030, 6-19-51

ANP Chemistry Sec t ion Progress Report

ANP Quar. b o g . Rep. June 1 0 , 1956, 9

ANP Quar. Prog. Rep. June 1 0 , 1 9 5 6 , 1 0

ANP Quar. Prog. Rep. June 1 0 , 1956, 11

ORNL-2106, p . 81

ORNL-2106, p . 82

ORNL-2106, p . 83 - 12

ANP Quar. Prog. Rep. S e p t . 10, 1955,

ANP Quar, Prog. Rep. June 1 0 , 1954,

ANI? Quar. Prog. Rep. June 10, 1 9 5 2 ,

ANP Quar. Prog. Rep. June 10, 1956, ORNL-2106, p . 85 ANP Quar. Prog. Rep. Sep t . I O , 1953,

ANP Quas. Prog. Rep. June 1 0 , 1956,

ANP Quar. Prog. Rep. June 10, 1956 ORNL-2106, p . 82 ANP Quar. Prog. Rep. June 1 0 , 1956

ORNL-1947, p. 66

ORNL-1729, g . 41

ORNL-1294, p . 91

ORNL-1609, p . 60

ORNL-2106, p . 81

ORNE-2106, p . 83 I

ANP mar. Prog. Rep. D e c . 10, 1955 ORNL-2012, p . 79

13

14

15

16

17

18

1 9

20

21

22

-vi i -

.

System

NaF-UF4

KF'-UF,

RbF-UF4

CSF-UF~

LiP-CeP,

NaC1-ZrC1,

KCI-ZrC14

Ei CZ - UCE N a C l - UC1

RbC1-UCl,

LPCl-UCl*

NaC1-UC14

KCl-JJC1,

CsCl -UCl ,

LiF-UF3

NaF-UF,

WaF-LiF

LLF-EbF

EiF- CSF

NaF- ZnF,

KF-ZnFZ

RbF-ZnFz

UF, - Zr F, RbF-CaFz

Reference

ANP Quar. Prog, Rep. Mar. PO, 1 9 5 5 , ORNL-1864, p. 5 0 ANP Qual?. lprcrg. Rep, Dec. 10, 1955$ (pRm-20x2, p . 82

ANP QWar, Frog. Rep. June 10, 1951,

ANF &uar. Rug. Rep, Sept. LO, 1956, OR&-2157, p. 89

ANP-65, p. 88 ANP Qtaar. Ppog. Rep. March 10, 1957, ORNL- 2 2 74 ANP Quare Bog . Rep, Dec, 10, 1 9 5 6 , c&wJL-2223. ANP Quar. Prog. Rep. Sept. 10, 1956,

ANP Q w r * Pwg. Rep. 3 e c . 10, 1953,

C, A . Kraus, M-251, J u l y 1, 1943

ORm-2157, p. 95

ORNL-1649, p . 52

Page

2 3

24

25

26

2 7

28

2 9

30

3 1

3 2

3 3

34

35

36

37

38

39

40

41

42

43

44

4 5

46

-

System

PbF2 -UF4

KCl-FeCI,

NaF- KF-Ei F

NaF-Li F - R b F

W - N a F - B e F ,

N a F - E i F-13eF2

N a F - 2 K F * B e F 2

N a F - L i F - Z r F 4

NaF-KF-ZrF4

NaF-KF-ZrF4

R b F - N a F - Z r F 4

N a F-E i F- UF,

KF- E i F- UF4

RbF-LiF-UF4

KF-NaF-UF4

RbF-NaF-UF4 ** **

LiF-BeF, -UFh

NaF-BeF, -UF4

N a F - Z r F 4 -UF4

N a F - Z r F 4 -UF4

7 N a F 6 Z r F 4 - 7 N a F 6UF4

7 N a F - 6UF4 - 7 L i F 6UF4

2NaF UF4 -2 R b F UF4

N a F - N a F . R b F e U F 4

R e f e r e n c e

ANB war. Prog. R e p , June 10, 1951, ANP-65 , p. 89 ANP @are Prog. R e p . June 1 0 , 1956,

A . G . Bergman and E . P. Dergunov, Comp. rend. acad. sc i . , U,R.S.S. 48, 3 3 0 m ) ANP Q u a r W r R e v e F . - 1951,

ANP war. Prog, Rep. Dec. 1 0 , 1951,

ANP mar. h o g . Rep, Sept. 10, 1956 ,

A N P war. Prog, R e p . Sept.10, 1955,

ANI? mar. Prog. R e p , June 1 0 , 1955, ORNL-1896, p . 5 3 ANP Quar. h o g , Rep. D e c . 1 0 , 1955,

ORNIL-2106, p. 1 1 7

ORNL-1170 , p. 87

ORNE-1170 , p a 87

ORNL-2157, p . 93

ORNL-1947, p. 72

OR1W;-2012, p. 8 3 - ANP Q u a r . Prog. Rep. June 10, 1956,

ANP Q u a r . Prog. R e p . March 1 0 , 1 9 5 7 ,

ANP Q u a r . plpog. Rep, Sept.10, 1951,

ANP war. Prog. R e p . Sept. 10, 1951, ORNL-1154, p . 1 5 9 ANP war. Prog. R e p . March 10, 1951, ANP-60, p. 1 3 4 ANP war. Prog, R e p . D e c . 10, 1956, ORNL- 2 2 2 1 ANP Quar. Prog, R e p . D e c . 10, 1952, ORNL- 14 3 9

ORNL-2106, p . 87

ORNL-2274

0RN.L-1154, p. 158

- ANP mar. Prog. R e p , D e c . 1 0 , 1-954, ORNL-1816, p. 58 ANP Quar. B o g . Rep. Sept . 10, 1954,

ANP war, Prog. R e p . D e c . 10, 1956,

ANP war. Prog. R e p , March 10, 1957, ORNL-2274 ANP Quar. Prog. Rep, Dec. 1 0 , 1956, O R m - 2 2 2 1 ANP war. Prog. Rep. Dec. 1 0 , 1956, ORNL- 2 2 2 1

ORNL-1771, p. 55

ORNL- 2 2 2 1

Page

47

48

49

5 0

51

52

5 3

5 4

55

56

57

58

59

60

61

62

6 3

64

65

66

67

68

69

bl_

7 0

-ix-

System

NaF-RbF-ZrF4 -UFd

NaF-RbF- ZrF4 - UF4

NaF-PbF, -UF4

NaF-%rF4 -ThF4

Na F- E i F- C a Fz

LiF-BeF, -ThF4

Na OM-Li OH

L i OH- KOH

Na OH- KQH"

MaQHI- R b OH*

Reference

A N P mar. Prog. Rep. Dec. 10, 1956, ORNZ- 2 2 2 1 AMP war. Prog. Rep. Sep t . 1 0 , 1956, OR3E.t-23-57, p . 92 ANP Quaff. Prog. Rep. Sep t . 10, 1956, ORNIL-2157, p . 92 AMP mar. Prog. Rep. June 10, 1 9 5 1 ,

ANP Chemistry S e c t i o n Progress Report D e c . 8-21, 1 9 5 6 , p. 3 ANP wax-., Prog. Rep. March 10 , 1 9 5 6 ,

fWP Quar. Prog. Rep.. March 10, 1956,

ANP-65, p . 91

Q~RNL-2069, p. 7 7

O W - 2 0 6 1 , p. 7 8

ORW-1439, p. 114

ORNL-1515, p. PO8

ANP QUaY. P r O g . Rep. Dee. 10, 1952,

ANP mar. Prog, Rep. March 10, 1 9 5 3 ,

- BPSP @as. Prog. Rep. D e c . 10, 1952, ORplsE-1439, p. 117

ANP war, h o g . Rep. Sept . 1 0 , 1951,

ANP mar. Prog. Rep. Dec. 10, 1951,

Z r . Physik. Chem. 7 3 , 657 (1910)

Z r . Physik. Chem. 7 3 , 667 (1910)

ORNL-1154, p . 168

ORNL-J_170, p . 85 - -

Page

7 1

72

73

74

75

76

77

78

79

80

81

82

83

84

85

Ba (OH) -Sr (OH) ANP War. Prog. Eep. Sept . 1 0 , 1951, 86 QRNL-1154, p. 167

* F i n a l diagram on t h e s e systems n o t determined a t ORNL. ** The d e t e r m i n a t i o n of t h e incongruent n a t u r e of 2LiF.BeFZ w a s made by Mound Labora tory , by O W , and also by J . L . Speirs, T h e Binary and Ternary Systems Formed by Caf, LiF, and BeFz: Phase Diagrams and E l e c t r o l y t i c Studies" , Ph.D. t h e s i s , Michigan S t a t e College, 1952 .

9 00

800

700

- 0

w ir 3

K W CL

w k

e 600

5

2 5013

400

300

200

up^- m a, cu - i

I I

Li2BeF4 + BeF2 ( H I G Y QUARTZ)

I I I

Li2BeF4 Lm LtBeF3 + BeF2 (HIGH QUARTZ) 1

LiEeF3 J

~ I

m E I 1 +

LtBeF3 + BeF2 (LOW QUARTZ)

I

-v-

UNCLASSIFIED ORN L- LR- DWG 164 26

BeF2 + LIQUID

i i F 10 2 0 3 0 40 5 0 60 70 80 90 Be F2 BeF2 (mole % )

The System tiF-BeF2. Composite diagram from: D. M. Roy, R. Roy, and E. F. Osborn , J. Am. Ceram. SOC. 37, 300 (1954); Novoselova, Simanov, a n d Yarernbash, J. Phys. Chem. USSR 26, 124.4 (1952); and unpublished d a t a , Oak Ridge Nat iona I Laboratory.

c L

-2-

I I I- !

I I

90(

80C

70C

W a W = 500 c

400

300

200 KF

UNCLASSIFIED ORNL-LR-DWG 17574

! j

i I

70 80 90 BeF2

The System KF-BeF2.

h

The System RbF-BeF2.

,

0

0

N

c .,\.

....

.-

...... 0

0

0

;51 0

- ...............

-

\

.... ......... _

__

0

(c

Q

a:

i I

- i-.

........ .........

-

-- ~

k

LL .c t- U

cr:

a,

v)

al ..s t- i n E c

k

-6-

0

0

0

0

ro d-

t=- o\o

- 7-

0

0

.- i

-. ...

.....

............

J 0

0

m

0

0

03

...............

........... ~

-

.

- ........

.....

.....

-

...... 1.-

-I

. 1 0 0 r-

-. ......... L

b ;4l jD

N2

..... 1 I

--1

I

-

-8-

0

0 0

.-2-

0 0

a0

0

0

b

T E

M P

EA A

T U

R E

( OC

w

0

0

P

0

0

0

0

0

a,

0

0

-J

0

0

a,

0

0

co

0

0

A

0

0

0

0

0

N

0

w

0

0

... 0

N

0

w

0

0

...............................

... ~~

......... ..... ~

.

~.

.... ~

. .

Iu

~-3..N

..O

...Z.,,F, .....

w

-- 2

Na

F.Z

rF4

-

- 10-

0 0

cn 0

0

(D

0

0

Tt

-11-

I I

I 1 I

0

0

CD

0

2

0

0

W

0

0

In

In

a,

In

r- In

W

In

In

In

-

00s

In

In

In

a,

In

F-

In

W

In

In

In

OD

In

W

In

In

-12-

0

0

0,

0

0

0

0

0

0

m

r- 0

(3.) 3U

IllWU

3dW

31

0 0

Y)

0 0

Ir)

.

io00

900

800 - V

W LT

0 -

2 700 K W a z ii + 600

500

4 00

300

4 i I I

ORNL- L R - DWG t 695 t

/ /

Li F 20 30 40 50 60 70 ao 90 ZrFs ZrF4 (mole % )

The System LiF-ZrF4.

-14-

0 0

0

G

0 0

cn 0

0

a)

I c

T- -3

---a_-

-

'4 JZ 9

-d O

N L

l----- -----

I---

----- A

'jJZ

.jON

2

-- -

0

0

0

0

In

d-

t

\

I+

‘rt k

N

1 E t? a, c k

v)

a, x

I-

v

TI 0

N

0

w

0

-4

3-

(D

n

.b 0 0

TE

MP

ER

AT

UR

E (

"C)

m 0 0

-J 0 0

CD 0

0

2 R

bF.Z

rF4

I

R b F

.2. Z

r F4

I

1

.!

-+

1----

-

A

0

0

0

-91-

‘Oo0 1 900

8oo I---+-- i i

500 j /

i

400

1 ! I !

300 1 I

1 9

-“------I i

50 60 70 80 90 ZrG CsF 10 20 30 40 ZrG (mole %)

The System CsF-ZrF4.

0

0

N

0

% 0

N

0

c

,-

0

aJ 0

- E

v

L,* 3 I

0

Y,

Q

c

E %

v)

- 0

0

03

0

0

IC

0

0

0

0

In

0

0

0

m

0

d

-19-

0

rr,

In

d

0

d

rr, m

In

a,

m

b

In

CD

In

In

A

m

m

-21-

' \'

-22-

\--

- I--

- I --

\

0

0

9

0

0

m

0 0

co 0

0

r-

-23-

f!

,&

......

-24-

0

0

0

0

aJ 0

0

- o

0

0

0

0

0

IC ID

0

0

01

0

ru

0

0

0

0

U

m

f400

4 000

900

- 0 0 -

800 [r 3 c LT W a

a

5 700 t-

600

500

400

\ t LIQUID

O R N L - L R - D W G 46954

RbF io 20 30 40 5 0 60 70 80

i

I UF4 + R bF * 6 U F4

90 " F4 UF4 ( m o l e % )

The System RbF-UF4.

-26-

\

1

0

0

6,

0

0

In

0

03

0

r-

0

co

E a, c

%

0'"

0,

I-

UNCLASSIFIED 1300

1200

!too

0 0 - I000 W (r 3 k

(r W

a

a 2 900 W t-

(

800

700

600

I I !

50 60 70 80 90 CeF3 Li F io 2 0 30 40 Ce F3 (mole %)

The System LiF-CeF3.

-28-

0

0

Cn

1- _

__

-

0

e 0

0

a

0

:: 0

0

*

-29-

~.

....

i

0

6,

0

m

0

W

-3 0-

~ ...

........ __

0..

.........

L 0

0

co '., ....... _

_ ............

/ ............ 0

0

0

I

a

0' 0

0

d

rc)

-31-

\

-I ... .............

-

t 7

- .........

.. -- 1 ....... c- .......

\I __ __

....

0

0

cn 0

0

0

0

(1)

r- 0

M

-32-

-33-

.............. ............

...

I I

..

-.

.......

.......

0

0

m

0

a

0

03

0

&

0

u)

-34-

p’

-T----

I I I -c I I

0 0

u)

0

0

0

- .............. I -

4 .........

.........

I I I I I I .I I 0

0.- 0

0

0

0

0

0

0

0

0

0

0

0

0

co Fc-

u3 0

TI- rr)

-36-

-37-

--7 1000

95Q

900

850

800

750

700

650

600

550

500 0

4

--i--

10

I- __I

I

0

ORNL-LR-DWG 2923

0

60 70 20 30 40 50

UF3 (mole

The System LiF-UFg.

-38-

-_l_

e_

\ -IT

----

-. . . . . .... . -

____....

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0,

CD e

co m

d-

- - -

(30

) 3tJnlvt33dw31

In

d-

0

M

In

(u

8 In

.c-

0

- 0

-39-

0 0

0

- \ ..........

...............

0

0

m T

-

O 0

a,

0

0

r-

-4Q-

-1

I I I t -1

I I!

0 0

Tf

0

Q)

d

II: c-

-41 -

-42-

...

0 1_1_ I

.......... L

.... 0

0

0

0

0

0

0

0

0

m

r- W

ln

d

( 3,) 3 tf 11 1.V U

3 d VY 3 1

-43-

0 0

0

-

I I

I I

-

3

0

0

Q,

0

0

QD

0

0

r- 0

0

0

0

0

0

0

0

u)

M

t

rs)

-44-

0

0

00

LN

c

N

0

cn

0

(I)

0

co

3

N

3

OK

0

*

-45

0

oc)

0

r-

0

co

L.

N

0

U

0

m

0

cu

0

0

'D 0 0

d \ \ \ \ \-

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0 0

N

_-

0

0

0

0

0

5)

0

0

m

-47-

0

a

01 ol

II

II

II

II

II

II

II

0

0

0

0

0

0

0

0

0

0

0

0

0

0

00 F-

to In

t

rr) all

30 'dCM

31

-49-

NaF

KF

The System KF-LiF-NaF.

UNCLASSIFIED ORNL-LR-DWG . 1199

LiF

UNCLASSIFIED ORNL-LR-DWG. 1200

Li F 845OC

The System NaF-LiF-RbF.

-51-

BeF2 543

UNCLASSIFIED DRNL-LR- DWG 47701

-52-

ORNL-LR-DWG 16151 E = EUTECTIC T = T E R N A R Y EUTEC'I IC BeF2

P = PEHITECTIC SUBSOLIDUS COMPOUNDS S H O W N

I N P A R E N T H E S E S LIQUIDUS T E M P E R A T U R E S A R E IN "C

TC= T E R N A R Y C O M P O U N D 542

( 5N a F-. L i F. 3 BeF2) 3 20

L IF ............. ~~.~ ! L 2 . l I... .A ]..A. E 6 4 9

*44

The System LiF-NaF-BeF2.

- 53-

........... ~

.... .......

......... !

. i

i ‘I

....

.......... ...........

...

.

--

1 ........

...... .............

__

._

~..l ..........

1 0

~ -

0 ;;

1

CL 0

oz

0

0

0

0

0

W

m

0

0

0

0

0 0,

a, (c

-54-

ORNL-LR-DWG f6959

ZrF4 91.8

ALL TEMPERATURES ARE IN "c (COMPOSITIONS ARE IN mole S.)

+t+' INDICATES SOLID SOLUTION

NoF 950 900 850 800 750 700 650 850 980

The System NaF-LiF-ZrF4.

1

I

UN CLASS I Fl ED ORNL-LR-DWG 11527

4 ' Compatibility Triangles i n the System NaF-KF-ZrF

PH 3 2 r F4

900

2 N

3 N a F

3 N o F . 4 Z r F 4 - 5 5

K 5 1 5

1 n r n

450

K F 900 0 5 0 ' 000 7 5 0 7 1 0 750 800 N a F

950

Liquidus Temperature ( "C) i n the NaF-KF-ZrF4 System.

-57-

m 0 R N L - I . R - W G I6960 ..... .. . . . . . . . .. . . . . .. .-

F.ZZrF, 0

ALL EMPERATURES ARE INOC !CUMPOSITIONS P R E IN mole%)

-SEE DETAIL ABOVE

RbF 790

No F 980

673

The System NaF-RbF-ZrF4.

-58-

A L L TEMPERATURES ARE IN "C (COMPOSITIONS ARE IN mole %)

+ti++k INDICATES SOLID SOLUTION

O A N L - L R - O W G 169584

NoF 950 900 850 800 750 700 650 980

L i F 850

The System NaF-LiF-UF4.

-59-

UF4 1035 "C

The System KF-LiF-UF4.

- - -- -. -. DWG. 12948

Li F 845°C

UF4 1035 "C

Li F 845°C

The System RbF-LiF-UF4.

OR

ALL TEMPERATURES ARE IN “C

COMPOSITIONS IN mole O/O

850 KF

740 NaF

The System NaF-KF-UF4; Liquidus Temperatures and Compatibility Triangles.

-62-

DRN!. ~ LR - D,'G 'E 74i A

TEMPERATURES ARE IN DEGREES CENTIGRPDE

COMPOSITIONS IN MOLE PERCENl

674' RbF 790" NaF

980"

The System NaF-RbF-UF4.

-63-

ALL TEMPERATURES ARE IN "C

E = EUTECTIC

MOUNOLAB NO 56-14-29 ( R E V )

The System LiF-BeF2-UF4.

MOUND LAB. N O 56-1 f -30 ( R E V )

A L L T E M P E R A T U R E S ARE I N OC

E = EUTECTIC

P = PERITECTIC a = PRIMARY PHASE FIELD

The System NoF-BeF2-UF4.

- 6 5

9

NaF

I°C

,oOc

- O R N L - L R - DWG 3398

ZrF4

1035OC

5

The System NaF-ZrF4-UF4.

I i '

-66-

PHOTO 22349

UF, 1035°C

Liquidus Temperatures in the System NaF-ZrF4-UF4.

-67-

-- ...........

.....

..

...

........ __

...........

0

m

r-

I

- ..........................

__

~

0

0

r- 0

m

u) -I

0

0

(9

0

m

m

e

LL 3

d

\ I

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o

0

0

Ln

3

-I ZI

......... + rc)

\ ......... ...... ............... n

3

- 0

IJ + LL. 3

LI

n

LL N

.....

- P

-

......

......

......

__

I2

3

LL 13 [r

N

+ I> LL 0

Z

(u

LL*

......

___

-

+ LL* 3-

.~

LL 0

z

LL* 3

LL n

a

...

LL 0

z

+ 3

LL D

-

z

N

LL*

-- bjn .Ai

0

0

0

0

m P

-70-

0

m

W

\

\

LL?? LL* 33

0 0

W

2

3

LL n

rr

LLV 3

LL B

[r

LL 0

z

+ LL 0

z

0

m

d

-71-

0

‘2 _

_

3 ......

_1

t

~. \ ....... 0

0

a)

.....

...

....

-

....

.... .................

0

10 r-

0

r-

m

u)

0

LO

0

m-

s-” (u

0

- E

On

ln

a

I

LL

m

P

0

P

m

m

-72-

A = 7 N a F . 6 Z r ( U ) F 4 B = RbF.3UF4 C = RbF.UF4 D = 5RbF. 4 Z r (U)F4 E RbF*6UF4 F = 7RbF.6UF4

LIQUIDUS TEMPERATURES 7 PLOTTED IN "C

.............

.............. .

........

..

..

NaF RbF

O R N L - L R - D W G 46f49

Primary and Secondary Uranium-Containi ng Phases in the System NaF-RbF-ZrF Uf4 4- with 4 Mole % UF4.

-73-

O R N L 16150 A = 7 N a F . 6 Z r ( U ) F4

B = RbF. 3UF4

D = 5RbF. 4 Z r ( U ) F4

Zr F4

C = R b F ~ UF4

E = R b F . 6UF4

LIQUIDUS TEMPERATURES PLOTTED IN " C

RbF Na F

Primary and Secondary Uranium-Containing Phases in the System NaF-RbF-ZrF4-UF4 with 7 Mole % UF4.

-74-

UNCLASSIFIED ORNL-LR-OWG 20455

The System NaF-PbF2-UF4.

912

The System NaF-ZrF4-ThF4.

-76-

UNCLASSIFIED O R N L - L R - D W G 12779

TEMPERATURES A R E IN OC

NoF 990

LIF 84 4

The System LiF-NoF-CaF2.

-77-

...____

\ \ \

\ \ *

-. . . . . . .

0 0

cu - \ \ \ \ A

\ \

d -- \

\

\ \ \

T--

-78-

84

K F

The System KF-NoF-AIF3.

-79-

ThF 1114°C

BeF2 5 4 3 ° C LI F

045°C Li2BeF4 4750c

The System BeF2-4iF-ThF4.

UNCLASSIFIED ORNL-LR-DWG 17575

NaF 990

830 NaMgF3 990 4030

The System NaF-MgF2-CaF2

-81-

-m!B DWG 17407

The System K3CrF6--Li3CrF6-Na3CrF6.

-82-

IT

I

I . .-

0

7 .. . . . . . .

-- I

-~

At-

-83-

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0

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0

0

0

0

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0

Y

0

0

0

CD

0

r-

0

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v

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pr,

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