Elements of Microstructure

Table of Contents

  • Introduction
  • Plain Carbon Steel
  • Tool Steel
  • Stainless Steel
  • Aluminum
  • Brass
  • Zirconia
  • Specimen Preparation
  • Etching Procedures
  • Introduction
  • There is a general information

  • Plain Carbon Steel
  • This section discusses a nut made up of the plain carbon steel

  • Introduction
  • Usage: Where is it used?
    as a fastener
  • This specimen:
  • ---What is it?
    hex nut (size: 1/4-20)
    ---Where did we get it?
    the Hillman Fastener Center
    ---What is its composition?
    EDAX: (wt%) C 1.14; Fe 98.86

  • Tool Steel
  • This section discusses a key set made up of the tool (Chrome molybdenum) steel

  • Introduction
  • Usage: Where is it used?
    as a wrench tool
  • This specimen:
  • ---What is it?
    hex key set (No. HK-8; sizes: 1/16' - 1/4')
    ---Where did we get it?
    the Tri Star International U.S.A.
    ---What is its composition?
    EDAX: (wt%) Mn 0.93; Fe 99.07

  • Bolt: Stainless Steel
  • This section discusses a bolt made up of the stainless steel

  • Introduction
  • Usage: Where is it used?
    as a fastener
  • This specimen:
  • ---What is it?
    stainless steel bolt (size: 1/4'x 1/2')
    ---Where did we get it?
    the Tri-Pac
    ---What is its composition?
    EDAX: (wt%) Si 0.42; Cr 18.0; Mn 0.61; Fe 68.96; Ni 9.26; Cu 2.75

  • Aluminum
  • This section discusses a rivet made up of the aluminum

  • Introduction
  • Usage: Where is it used?
    as a fastener
  • This specimen:
  • ---What is it?
    threaded aluminum post rivet (size: 3/16x2)
    ---Where did we get it?
    the VSI Fasteners Inc.
    ---What is its composition?
    EDAX: (wt%) Cu 7.26; Mg 3.55; Al 89.19

  • Brass
  • This section discusses a bolt made up of the brass

  • Introduction
  • Usage: Where is it used?
    as a fastener
  • This specimen:
  • ---What is it?
    round head brass stove bolt (size: 10/32x3/4)
    ---Where did we get it?
    the Handi-Man Fasteners (Industries)
    ---What is its composition?
    EDAX: (wt%) Cu 60.58; Zn 39.42

  • Zirconia
  • This section discusses a oxygen sensor made up of the zirconia

  • Introduction
  • Usage: Where is it used?
    as a oxygen sensor
  • This specimen:
  • ---What is it?
    zirconia oxygen sensor
    ---Where did we get it?
    ---What is its composition?

  • Specimen Preparation
  • This section discusses the specimen preparation

  • Etching Procedures
  • This section discusses the etching procedures