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MMPDS CHAPTER 6

4th Edition, April 2008

Complete Document

Metallic Materials Properties Development and Standardization (MMPDS)



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MMPDS-04: CHAPTER 6
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Product Details:

  • Revision: 4th Edition, April 2008
  • Published Date: April 2008
  • Status: Historical
  • Document Language: English
  • Published By: Battelle Memorial Institute (BMI)
  • Page Count: 238
  • ANSI Approved: No
  • DoD Adopted: Yes

Description / Abstract:

GENERAL

Heat-resistant alloys are arbitrarily defined as iron alloys richer in alloy content than the 18 percent chromium, 8 percent nickel types, or as alloys with a base element other than iron and which are intended for elevated-temperature service. These alloys have adequate oxidation resistance for service at elevated temperatures and are normally used without special surface protection. So-called "refractory" alloys that require special surface protection for elevated-temperature service are not included in this chapter.

This chapter contains strength properties and related characteristics of wrought heat-resistant alloy products used in aerospace vehicles. The strength properties are those commonly used in structural design, such as tension, compression, bearing, and shear. The effects of elevated temperature are presented. Factors such as metallurgical considerations influencing the selection of metals are included in comments preceding the specific properties of each alloy or alloy group. Data on creep, stress-rupture, and fatigue strength, as well as crack-growth characteristics, are presented in the applicable alloy section.