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Standard

Aus-Bay Quenching of 300M Steel

2012-05-09
CURRENT
AIR4498A
The objective of this program is to compare the properties of aus-bay quenched 300M steel with the properties of 300M steel oil quenched in the conventional manner.
Standard

Heat Up Time

2012-05-09
CURRENT
AIR4279A
An analysis was made of the effects of various surface conditions on the heat up time of steel bars which are heated in atmosphere furnaces to the temperature range used for steel hardening or normalizing. The purpose was to examine whether a standard heating time for a given section thickness is acceptable.
Standard

Influence of Grain Flow on Bolt Integrity

2012-05-09
CURRENT
AIR5065A
Performed tensile and fatigue tests on bolts to determine if cutting of materials flow lines at the bolt underhead would degrade bolt integrity. Five different alloys used in aerospace industry fatigue critical applications were employed to fabricate 5/16 to 1/2 inch diameter bolts. These bolts were machined from bar stock producing fully cut material flow lines under their heads. Tensile testing with and without underhead washers was performed along with industry standard fatigue testing.
Standard

Influence of Grain Flow on Bolt Integrity

1999-08-01
HISTORICAL
AIR5065
Performed tensile and fatigue tests on bolts to determine if cutting of materials flow lines at the bolt underhead would degrade bolt integrity. Five different alloys used in aerospace industry fatigue critical applications were employed to fabricate 5/16 to 1/2 inch diameter bolts. These bolts were machined from bar stock producing fully cut material flow lines under their heads. Tensile testing with and without underhead washers was performed along with industry standard fatigue testing.
Standard

HEAT UP TIME

1995-05-01
HISTORICAL
AIR4279
An analysis was made of the effects of various surface conditions on the heat up time of steel bars which are heated in atmosphere furnaces to the temperature range used for steel hardening or normalizing. The purpose was to examine whether a standard heating time for a given section thickness is acceptable.
Standard

AUS-BAY QUENCHING OF 300M STEEL

1993-04-01
HISTORICAL
AIR4498
The objective of this program is to compare the properties of aus-bay quenched 300M steel with the properties of 300M steel oil quenched in the conventional manner.
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