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Title:
METHOD FOR SOLUTION HEAT TREATING WITH PRESSURE
Document Type and Number:
Japanese Patent JP2018103264
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To reduce blistering defects that occur during heat treatment of high pressure die cast objects.SOLUTION: A method of heat treating high pressure die cast objects using pressure is disclosed. A high pressure die cast object is obtained and solution heat treated to above 371°C (700°F) for at least 2 hours at pressures between 13.4 MPa (0.5 KSI) and 69 MPa (10 KSI) or at any pressure or range of pressures therebetween. The method of heat treating by solution heat treatment with pressure also allows an increase of yield strength and corresponding weight reduction upon redesign or substantially larger safety factors for the cast object.SELECTED DRAWING: Figure 1

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Inventors:
KEVIN R MORASCH
KEVIN R ANDERSON
RAYMOND J DONAHUE
CHRISTOPHER J MISORSKI
Application Number:
JP2017247752A
Publication Date:
July 05, 2018
Filing Date:
December 25, 2017
Export Citation:
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Assignee:
BRUNSWICK CORP
International Classes:
B22D29/00; B22D21/04; B22D30/00; C22F1/04
Domestic Patent References:
JP2004052087A2004-02-19
JP2008525629A2008-07-17
Foreign References:
US20040011437A12004-01-22
US3732128A1973-05-08
Attorney, Agent or Firm:
Hanabusa Patent and Trademark Office



 
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