THERMAL FATIGUE.

Abstract

Creep and thermal cycling tests with colddrawn Nimonic 80 A wires were performed at several stress levels. The deformation and fracture behavior was compared quantitatively. The changes of several physical and mechanical material properties, such as electrical resistivity, internal friction and hardness after thermal cycling and creep pretreatment, have been studied intensively. Creep and stress cycling tests at high temperatures were conducted in an electronic tensile testing machine and in a high frequency push-pull fatigue machine. Both testing machines are described and the principles of analysis for the treatment of cyclic stress tests are given. (Author)

Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1970
Accession Number
AD0706376

Entities

People

  • Hans Riege
  • Heinz Neuber

Tags

DTIC Thesaurus Topics

  • Frequency
  • Friction
  • Hardness
  • High Temperature
  • Internal Friction
  • Materials
  • Materials Testing
  • Stress Tests
  • Tensile Testing
  • Test Methods
  • Thermal Cycling Tests
  • Thermal Fatigue

Fields of Study

  • Materials science

Readers

  • Mechanical Engineering/Mechanics of Materials.
  • Powder metallurgy of Titanium alloys.

Technology Areas

  • Microelectronics