Dendrite Arm Spacing of Structural Aircraft Quality D357 Aluminum Alloy Castings, Determination and Acceptance of

Standard:
Revised:
  • 2007-08-17
 
  • CURRENT
Publisher:
  • SAE International
Pages:
8
Scope:

This document covers the recommended practice for determining the acceptability of the dendrite arm spacing (DAS) of D357-T6 aluminum alloy castings required to have tensile strength not lower than 50,000 psi (345 MPa). To apply this method, at least two coupons used for DAS measurement and tensile testing shall be attached to the casting in locations as defined by the cognizant engineering organization. Areas of the casting which require DAS control must be accessible for surface DAS measurements.

Rationale:

ARP1947B is a Five Year Review and update of this recommended practice.

History:
Standard Published Revision Status
ARP1947B 2007-08-17 Latest Revised
1996-07-01 Historical Reaffirmed
1985-10-01 Historical Issued
AKA:
  • SAE ARP 1947
Sector:
Topic:
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