A REVIEW OF THE INFLUENCE OF NONMETALLIC INCLUSIONS ON THE MECHANICAL PROPERTIES OF STEEL.

Abstract

The literature regarding the influence of nonmetallic inclusions on the mechanical properties of steel is reviewed, with critical comments on the various studies. Brief descriptions of four types of inclusion counting methods encountered in these studies, and a synopsis of the effects of applied stress on inclusions in an isotropic, elastic matrix, are presented. The parameters reviewed are tensile strength, impact strength, reduction of area, fatigue properties and fracture toughness. It is concluded that nonmetallic inclusions have a greater, explicit, effect on low cycle fatigue than on high cycle fatigue. Also, the effects of inclusions on mechanical properties are governed by their shape, size, quantity, inter-spacing, distribution, orientation, and physical properties relative to the matrix. Due to this number of variables, any general correlation between nonmetallic inclusion and mechanical parameters is highly improbable. (Author)

Document Details

Document Type
Technical Report
Publication Date
May 01, 1970
Accession Number
AD0707401

Entities

People

  • Peter Thornton

Tags

DTIC Thesaurus Topics

  • Counting Methods
  • Impact Strength
  • Inclusions
  • Mechanical Properties
  • Physical Properties
  • Reduction Of Area
  • Strength (Mechanics)
  • Tensile Strength
  • Toughness

Fields of Study

  • Materials science

Readers

  • Materials Science (Mechanical Engineering).
  • Reinforced Composite Materials
  • Systems Analysis and Design

Technology Areas

  • Space