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Influence of Grain Flow on Bolt Integrity

AMS AMEC Aerospace Metals and Engineering Committee
  • Aerospace Standard
  • AIR5065A
  • Current
Published 2012-05-09 by SAE International in United States
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.
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Aus-Bay Quenching of 300M Steel

AMS AMEC Aerospace Metals and Engineering Committee
  • Aerospace Standard
  • AIR4498A
  • Current
Published 2012-05-09 by SAE International in United States
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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Heat Up Time

AMS AMEC Aerospace Metals and Engineering Committee
  • Aerospace Standard
  • AIR4279A
  • Current
Published 2012-05-09 by SAE International in United States
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.
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National Aerospace and Defense Contractors Accreditation Program, Requirements for Shot Peening, Peen Forming, Glass Bead Peening

AMS AMEC Aerospace Metals and Engineering Committee
  • Aerospace Standard
  • AS7117A
  • Current
Published 2008-07-30 by SAE International in United States
This Aerospace Standard (AS) establishes the requirements for suppliers of Shot Peening Services to be accredited by the National Aerospace and Defense Contractors Accreditation Program (NADCAP). NADCAP accreditation is granted in accordance with SAE AS7003 after demonstration of compliance with the requirements herein. The requirements may be supplemented by additional requirements specified by the NADCAP Nonconventional Machining and Surface Enhancement (NMSE) Task Group. Using the corresponding Audit Criteria (PRI AC7117) will ensure that accredited Shot Peening suppliers meet all of the requirements in this standard and all applicable supplementary standards. The purpose of this audit program is to assess a supplier's ability to consistently provide a product or service that conforms to the technical specifications and customer requirements. The corresponding audit criteria are also structured to obtain information relevant to management practices and processes that directly or indirectly affect the product or service. This information will be used in the determination of accreditation status and may be used by the supplier to guide improvements in the product or service and the associated processes.

National Aerospace and Defense Contractors Accreditation Program Requirements for Shot Peening, Peen Forming, Glass Bead Peening

AMS AMEC Aerospace Metals and Engineering Committee
  • Aerospace Standard
  • AS7117
  • Historical
Published 2002-06-25 by SAE International in United States
This Aerospace Standard (AS) establishes the requirements for suppliers of Shot Peening Services to be accredited by the National Aerospace and Defense Contractors Accreditation Program (NADCAP). NADCAP accreditation is granted in accordance with SAE AS7003 after demonstration of compliance with the requirements herein. The requirements may be supplemented by additional requirements specified by the NADCAP Nonconventional Machining and Surface Enhancement (NMSE) Task Group. Using the corresponding Audit Criteria (PRI AC7117) will ensure that accredited Shot Peening suppliers meet all of the requirements in this standard and all applicable supplementary standards. The purpose of this audit program is to assess a supplier's ability to consistently provide a product or service that conforms to the technical specifications and customer requirements. The corresponding audit criteria are also structured to obtain information relevant to management practices and processes that directly or indirectly affect the product or service. This information will be used in the determination of accreditation status and may be used by the supplier to guide improvements in the product or service and the associated processes.

Influence of Grain Flow on Bolt Integrity

AMS AMEC Aerospace Metals and Engineering Committee
  • Aerospace Standard
  • AIR5065
  • Historical
Published 1999-08-01 by SAE International in United States
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.
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Peening Media (AWCH) Conditioned Carbon Steel Cut Wire Shot, High Hardness (55 to 62 HRC)

AMS AMEC Aerospace Metals and Engineering Committee
  • Aerospace Material Specification
  • AMS2431/8
  • Historical
Published 1996-09-01 by SAE International in United States
The complete requirements for procuring the product shall consist of this document and the latest issue of the basic specification, AMS 2431.
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HEAT UP TIME

AMS AMEC Aerospace Metals and Engineering Committee
  • Aerospace Standard
  • AIR4279
  • Historical
Published 1995-05-01 by SAE International in United States
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.
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Shot Peening

AMS AMEC Aerospace Metals and Engineering Committee
  • Aerospace Material Specification
  • AMS2430L
  • Historical
Published 1993-07-01 by SAE International in United States
This specification covers the engineering requirements for peening surfaces of parts by impingement of metallic shot, glass beads, and ceramic shot. To induce residual compressive stress in surface layers of parts, thereby increasing fatigue strength and resistance to stress corrosion cracking.

AUS-BAY QUENCHING OF 300M STEEL

AMS AMEC Aerospace Metals and Engineering Committee
  • Aerospace Standard
  • AIR4498
  • Historical
Published 1993-04-01 by SAE International in United States
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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