An Introduction to Metallurgical Laboratory Techniques

Preface

Chapter 1. Metallography

Preparation of Specimens

Grinding the Specimen

Polishing the Specimen

Technique for Soft Metals

Mounting the Specimen

Etching the Specimen

Storage of Specimens

Microscopy

Photomicrography

Chapter 2. High Temperatures

Furnace Construction

Temperature Control

Temperature Measurement

Induction Heating

Electric Arc-Heating

Refractories

Manufacture of Crucibles

Chapter 3. Heat Treatment

The Effect of Heat on Metals

Annealing

Furnaces

Hardening of Steels

Quenching Specimens

Tempering

Case hardening

Controlled Atmospheres

Chapter 4. Testing of Materials

Mechanical Testing

Types of Test

Behavior of Metals Under Stress

Tensile Test

Methods of Testing the Tensile Strength of Metals

Compression Test

Torsion Test

The Notched-Bar Impact Test

Creep Test

Fatigue Test

Other Tests

Hardness Test

Methods of Non-Destructive Testing

Analytical Testing

Qualitative Analysis

Quantitative Analysis

Chapter 5. Joining of Metals

Riveting

Welding

Soldering

Joint Design

Method of Applying Heat

Adhesives

Chapter 6. Vacuum Techniques

Vacuum Pumps

Pumping Lines

The Vacuum Chamber

Vacuum Seals

Vacuum Valves

Traps

Gauges

Leak Detection

Chapter 7. Powder Metallurgy

Preparation of Metal Powders

Dies and Punches

Pressing

Sintering

Miscellaneous Questions

Appendixes

1. Frequently Used Letters of the Greek Alphabet

2. Metric Weights and Measures

3. Conversion Tables

4. Comparison Between Different Hardness Scales

5. Functions of π

6. Imperial Standard Wire Gauge

7. Color Guide to Furnace Temperature

8. Calibration Tables for Thermocouples

9. Physical Properties of Metals

Bibliography

Index