Compounds of Hydrogen with Metals and Metalloids

Gibb, Thomas R. P.

doi:10.1149/1.2773806

Cited by 12 publications

(4 citation statements)

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“…The concentration of aluminum chloride was varied from 1 to 4M, but optimum results were obtained with a 2 or 3M solution (265 to 400 g/l). The hydride was added as lithium hydride, 0.5 to 1.0M (4 to 8 g/l), or as lithium aluminum hydride (29,30). Sodium and calcium hydride were ineffective, but it seems probable that other hydrides would work if the proper conditions were obtained.…”

Section: The Hydride Type Aluminum Plating Bathmentioning

confidence: 99%

A Hydride Bath for the Electrodeposition of Aluminum

Couch¹,

Brenner²

1952

J. Electrochem. Soc.

102

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A process was developed for the deposition of aluminum from an ethereal solution of aluminum chloride and a metal hydride. The best deposits were obtained from an ethyl ether solution that was 2 to 3.M in aluminum chloride and 0.5 to 1.0M in lithium hydride. The deposits were quite ductile, and deposition rates of 0.025 to 0.05 mm per hour were possible. Deposits 0.5 to 0.75 mm thick were produced with hardnesses of from 37 to 97 Vickers.An investigation of the effect of various inorganic addition agents on the type of deposit produced from the fused aluminum bromide‐potassium bromide bath was made.

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Section: The Hydride Type Aluminum Plating Bathmentioning

confidence: 99%

A Hydride Bath for the Electrodeposition of Aluminum

Couch¹,

Brenner²

1952

J. Electrochem. Soc.

102

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“…-0.30 -0.33 7.0 x 10- 5 -0.44 -0.44 1.0 x 10- 4 -0.67, -0.64 1.5 x 10 -4 -1. 11 2.0 x 10-4 -1.28 3.0x 10 "4 -1.34 ---4.0x 10" 4 -1.38 5.3 x 10 -4 -1.36 ---7.0x 10- 4 -1.41 ---1.0x 10 -3 -1.41 --- Considerable care was exercised in determining this curve and enough points were taken so that all regions could be drawn in detail. The fact that a smooth curve is the result indicates that no appreciable error was introduced by using different coupons prepared in the same way.…”

Section: Cathodic Polarizationmentioning

confidence: 99%

The Electrochemical Polarization of Zirconium in Distilled Water

Hackermann¹,

Willbanks²

1954

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The cathodic polarization curve for zirconium in air saturated distilled water at 40 0 C. was determined in the current density range 3.0 x 10-7 to 1.0 x 10-3 amp./cm. 2. At low current densities the reaction was the reduction of dissolved molecular oxygen to hydroxyl ions, its limiting diffusion current being about 5 x 10-6 amp. /cm. 7. The formation of a zirconium hydride film was the reaction proposed to explain a plateau in the curve which had a constant potential of-0.30 volts vs. S. C. E. and a limiting current of 1. 0 x 10-4 amp. /cm. 2. X-ray diffraction data, time-potential curves, observations and other evidences substantiated this possibility. Above 1. 0 x 10-4 amp. /cm. 2 hydrogen evolution occurred and the curve followed a Tafel relationship, the slope being-0. 14 volts. The hydrogen overvoltage at 1. 0 ma. /cm. 2 was 0. 75 volts. The open circuit potential of zirconium in air saturated distilled water at 40 0 C. was determined to be +0.16 volts vs. S. C, E.

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“…(25). The properties of titanium saturated with hydrogen (titanium hydride, TiH2) (1-3, 20) have bearing on the determination of hydrogen in titanium. Titanium hydride contains about 4% hydrogen, is metallic in appearance, and is indefinitely stable at room temperature.…”

mentioning

confidence: 99%

“…in diameter, 7 inches long) 19. Reaction tube (Vycor, 25 mm. in diameter) 20. Copper oxide tube (Vycor, 25 mm.…”

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confidence: 99%