CASTINGS
United States Patent 3496624

Inventors:
Kerr, David L.
Lemon, Robert C.
Stonebrook, Edward E.
Publication Date:
02/24/1970
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Assignee:
ALUMINUM CO OF AMERICA
Primary Class:
428/653
Other Classes:
148/437, 29/402.210, 29/526.200
International Classes:
C22F3/00; B23P17/00
US Patent References:
2778756Process for hardening steel
2878140Densification of coating by use of isostatic hydraulic pressure
3157540High pressure process for improving the mechanical properties of metals
Foreign References:
GB188200696A
FR905619A




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