GEOFFREY K SIGWORTH
Engineers in Dunedin, FL
License number
Pennsylvania PE025302E
Category
Engineers
Type
Professional Engineer
Address
Address
2
Dunedin, FL 34698
Pennsylvania
Pennsylvania
Personal information
See more information about GEOFFREY K SIGWORTH at radaris.comName
Address
Phone
1710 Douglas Ave, Dunedin, FL 34698
1710 Douglas Ave, Dunedin, FL 34698
116 Derby St, Johnstown, PA 15905
Professional information
Method For Grain Refinement Of High Strength Aluminum Casting Alloys
US Patent:
2003006, Apr 10, 2003
Filed:
Oct 30, 2001
Appl. No.:
10/021166
Inventors:
Geoffrey Sigworth - Dunedin FL, US
International Classification:
C22C021/16
US Classification:
420/535000, 148/549000
Abstract:
An improved aluminum base alloy having improved hot crack resistance when solidified into cast products, the alloy comprised of 4 to 5.5 wt. % Cu, max. 0.5 wt. % Mn, max. 0.55 wt. % Mg, max. 0.2 wt. % Si, up to 0.5 wt. % Fe, optionally 1.13 to 1.7 wt. % Ni, 0.005 to 0.12 wt. % Ti, the balance comprised of aluminum, incidental elements and impurities.