Effect of misch metal and ferrocerium additions on the properties of 24 gage aluminum wires
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Table II. Experimental Results Obtained with Ni-Au Alloys at 1550~
Wt Pct Au
Oxygen Wt Pct
2.5 5.0 5.0 7.5 7.5 10.0 10.0 12.5 15.0 15.0 25.0 30.0 30.0 30.0 30.0 35.0 45.0 50.0 50.0 70.0 70.0 70.0 70.0 70.0 75.0 75.0 87.5 91.5 92.0 92.5 93.0 95.0 95.0 95.0
0.0322 0.0365 0.0325 0.0363 0.0324 0.0375 0.0318 0.0433 0.0350 0.0300 0.0367 0.0312 0.0258 0.0339 0.0379 0.0365 0.0309 0.0220 0.0188 0.0085 0.0112 0.0172 0.0167 0.0173 0.0113 0.0122 0.0135 0.0021 0.0021 0.0044 0.0030 0.0011 0.0065 0.0037
PH20/PH2 [%0]
PH20/PH2
5.62 6.31 5.62 6.31 5.62 6.63 5.62 7.71 6.55 5.62 7.71 6.55 5.62 7.80 8.65 8.70 8.74 6.55 5.62 6.32 7.96 8.80 8.96 9.71 9.06 9.17 47.83 19.27 18.81 48.86 47.83 17.27 18.36 69.77
174.53 172.88 172.92 173.83 173.46 176.80 176.73 178.06 187.14 187.33 210.08 209.62 217.83 230.09 228.23 238.36 282.85 297.73 298.94 743.53 710.71 511.63 536.53 561.27 801.77 751.64 3,542.96 9,176.19 8,957.14 1I, 104.55 15,943.33 15,700.00 28,000.00 18,856.76
1. E. S. Tankins, N. A. Gokcen, and G. R. Belton: Trans. TMS-AIME, 1964, vol. 230, pp. 820-26. 2. N. A. Gokcen and E. S. Tankins: J. Metals, 1962, vol. 14, pp. 583-87. 3. JANAP Thermo Chemical Tables, The Dow ChemicalCo., Midland,Mich., 1961.
Effect of Misch Metal and Ferrocerium Additions on the Properties of 24 Gage Aluminum Wires P . S. V E N K A T E S A N a n d S. B U Z A S H
r 2.00
a.
g
~
/1
,._o
I.OO
3.00
0..50
2.50
~ Ni
20
40
60
80
the temperature, water ratio, and oxygen analysis, the a u t h o r 1 e a r l i e r s u g g e s t e d a m a x i m u m e r r o r of a b o u t +5 p c t of t h e d e r i v e d v a l u e of K1. I n g e n e r a l , t h e e r r o r in t h i s p a p e r i s c o n s i s t e n t w i t h t h i s v i e w . T h e e r r o r f o r t h e 90 p c t Au a n d a b o v e i n c r e a s e s v e r y r a p i d l y . T h i s i s c a u s e d b y t h e low o x y g e n c o n t e n t s a n d the high PHzO/PH2 ratios. The data is being reported despite the large possible errors, since the ultimate g o a l of t h i s w o r k a n d o t h e r g o l d s y s t e m s t h a t w i l l b e r e p o r t e d in t h e f u t u r e i s to m a k e a r o u g h e s t i m a t e of t h e h e a t of s o l u t i o n of o x y g e n in p u r e g o l d . Financial support for this work was from Independent R e s e a r c h P r o j e c t No. A M - 0 - 0 2 . T h e a u t h o r w o u l d l i k e t o t h a n k M r . M. K. T h o m a s , J r . , M r . J . N. T h o m p k i n s , and Mr. E. Spencer from the Aero Electronics Technology Department for their technical assistance.
0 Au
THERE has been considerable interest in recent y e a r s z i n t h e u s e of r a r e e a r t h m e t a l s a s b e n e f i c i a l a d d i t i o n s to a l u m i n u m . T h i s i n t e r e s t s t e m s f r o m t h e d e s i r e of t h e c a b l e c o n d u c t o r i n d u s t r y t o f i n d a s u i t a b l e s u b s t i t u t e f o r c o p p e r b e c a u s e of i t s h i g h p r i c e a n d f l u c t u a t i o n i n s u p p l y . A l t h o u g h t h e e f f e c t s of a d d i t i o n s of i n d i v i
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