GEOFFREY K SIGWORTH
Massage Therapy at Douglas Ave, Dunedin, FL

License number
Florida 36964
Issued Date
Oct 17, 2002
Effective Date
Feb 13, 2015
Expiration Date
Aug 31, 2013
Category
Health Care
Type
Massage Therapist
Address
Address
1710 Douglas Ave, Dunedin, FL 34698

Professional information

Geoffrey Sigworth Photo 1

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.