US 4830931
DIFFUSION ALUMINIZING AND PACK THEREFOR
Assignee
ALLOY SURFACES COMPANY, INC., WILMINGTON
Filed
Oct 3, 1983
Granted
May 16, 1989
Location
WYNNEWOOD PA US
Abstract
Diffusion aluminizing with chromium or silver chloride, bromide or iodide that is not significantly soluble in or reactive with water. Hydrogen can be excluded from diffusion aluminizing atmosphere when aluminizing maraging steels or other substrates sensitive to hydrogen. Aluminized iron powders can be boronized to increase their exothermic heat upon exposure to air after leaching out aluminum.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jun 7, 1984
Rescinded
Jun 14, 1988
Duration
4 years
Inventor
- 1ALFONSO L. BALDI
Record Details
- Patent number
- US 4830931
- Application
- 06538541
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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ALLOY SURFACES COMPANY, INC., WILMINGTONBack to patent indexSource: USPTO 35 USC §181 secrecy order records