Section: 12 | Electrical Resistivity of Binary Alloys |

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ELECTRICAL RESISTIVITY OF BINARY ALLOYS

These values were obtained by fitting all available measurements to a theoretical formulation describing the temperature and composition dependence of the electrical resistivity of metals. Some of the values listed here fall in regions of temperature and composition where no actual measurements exist. Details of the procedure may be found in the reference.

General comments in “Electrical Resistivity of Pure Elemental Metals” in this section also apply here. Column definitions for the table are as follows.

Column heading	Definition
Name	Name of alloy
Wt% symbol	Composition, in weight %, of element specified by symbol
El. res.(100 K), etc.	Electrical resistivity of the pure metal, in units 10^-8 Ω m

Reference

Ho, C. Y., et al., J. Phys. Chem. Ref. Data, 12, 183–322, 1983. [https://doi.org/10.1063/1.555684]

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Electrical Resistivity of Binary Alloys as a Function of Temperature

Wt%	El. res.(100 K) /10^-8 Ω m	El. res.(273 K) /10^-8 Ω m	El. res.(293 K) /10^-8 Ω m	El. res.(300 K) /10^-8 Ω m	El. res.(350 K) /10^-8 Ω m	El. res.(400 K) /10^-8 Ω m
Continued on next page...
Aluminum-Copper Wt% Al
99^a	0.531	2.51	2.74	2.82	3.38	3.95
95^a	0.895	2.88	3.10	3.18	3.75	4.33
90^b	1.38	3.36	3.59	3.67	4.25	4.86
85^b	1.88	3.87	4.10	4.19	4.79	5.42
80^b	2.34	4.33	4.58	4.67	5.31	5.99
70^b	3.02	5.03	5.31	5.41	6.16	6.94
60^b	3.49	5.56	5.88	5.99	6.77	7.63
50^b	4.00	6.22	6.55	6.67	7.55	8.52
40^c		7.57	7.96	8.10	9.12	10.2
30^c		11.2	11.8	12.0	13.5	15.2
25^f		16.3	17.2	17.6	19.8	22.2
15^h			12.3
10^g	8.71	10.8	11.0	11.1	11.7	12.3
5^c	7.92	9.43	9.61	9.68	10.2	10.7
1^b	3.22	4.46	4.60	4.65	5.00	5.37
Aluminum-Magnesium Wt% Al
99^c	0.958	2.96	3.18	3.26	3.82	4.39
95^c	3.01	5.05	5.28	5.36	5.93	6.51
90^c	5.42	7.52	7.76	7.85	8.43	9.02
10^b	14.0	17.1	17.4	17.6	18.4	19.2

^a Uncertainty in resistivity is ± 2%.
^b Uncertainty in resistivity is ± 3%.
^c Uncertainty in resistivity is ± 5%.
^d Uncertainty in resistivity is ± 7% below 300 K and ± 5% at 300 K and 400 K.
^e Uncertainty in resistivity is ± 7%.
^f Uncertainty in resistivity is ± 8%.
^g Uncertainty in resistivity is ± 10%.
^h Uncertainty in resistivity is ± 12%.
ⁱ Uncertainty in resistivity is ± 4%.
^j Uncertainty in resistivity is ± 1%.
^k Uncertainty in resistivity is ± 3% up to 300 K and ± 4% above 300 K.
^m Uncertainty in resistivity is ± 2% up to 300 K and ± 4% above 300 K.

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ELECTRICAL RESISTIVITY OF BINARY ALLOYS

Reference

Electrical Resistivity of Binary Alloys as a Function of Temperature

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