MATERIALS INVESTIGATION, SNAP 50/SPUR PROGRAM ELEVATED-TEMPERATURE TENSILE PROPERTIES AND DUCTILE-BRITTLE TRANSITION TEMPERATURE OF FORGED TZM ALLOY.

Abstract

Specimens cut from a pancake forging of TZM were tested for unnotched-specimen ductile-brittle transition temperature and short-time tensile properties at 1400 to 2000F. The forging was found to be inhomogeneous with respect to transition temperature. The most ductile part became brittle below about 200F while the most brittle part changed from ductile to brittle at about 275F. Ultimate tensile strengths ranged from 64.6 + or - 2.7 ksi at 1400F to 58.3 + or - 3.0 ksi at 2000F. The 0.2-percent offset yield strengths were no more than about 3 ksi below the ultimates. (Author)

Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1966
Accession Number
AD0813910

Entities

People

  • E. A. Kovacevich

Tags

DTIC Thesaurus Topics

  • Cooperation
  • Ductile Brittle Transition
  • Materials
  • Mechanical Properties
  • Physical Properties
  • Strength (General)
  • Tensile Properties
  • Tensile Strength
  • Transition Temperature
  • Transitions
  • Yield Strength

Readers

  • Mechanical Engineering/Mechanics of Materials.
  • Surface Engineering/Surface Coating Technology.