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MMPDS CHAPTER 3

8th Edition, April 2013

Complete Document

Metallic Materials Properties Development and Standardization (MMPDS)

Includes all amendments and changes through Change/Amendment , April 2013


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Additional Comments:
MMPDS-08: CHAPTER 3
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Product Details:

  • Revision: 8th Edition, April 2013
  • Published Date: April 2013
  • Status: Historical
  • Document Language: English
  • Published By: Battelle Memorial Institute (BMI)
  • Page Count: 882
  • ANSI Approved: No
  • DoD Adopted: Yes

Description / Abstract:

GENERAL

This chapter contains the engineering properties and related characteristics of wrought and cast aluminum alloys used in aircraft and missile structural applications.

General comments on engineering properties and the considerations relating to alloy selection are presented in this section. Mechanical and physical property data and characteristics pertinent to specific alloy groups or individual alloys are reported in Sections 3.2 through 3.9. Element properties are presented in Section 3.10.

Aluminum is a lightweight, corrosion-resistant structural material that can be strengthened through alloying and, dependent upon composition, further strengthened by heat treatment and/or cold working [Reference 3.1(a)]. Among its advantages for specific applications are low density, high strength-to-weight ratio, good corrosion resistance, ease of fabrication, and diversity of form .

Wrought and cast aluminum and aluminum alloys are identified by a four-digit numerical designation, the first digit indicates the alloy group, as shown in Table 3.1. For structural wrought aluminum alloys the last two digits identify the aluminum alloy. The second digit indicates modifications of the original alloy or impurity limits. For cast aluminum and aluminum alloys the second and third digits identify the aluminum alloy or indicate the minimum aluminum percentage. The last digit, which is to the right of the decimal point, indicates the product form: XXX.0 indicates castings, and XXX.1 and XXX.2 indicate ingot.