Electrical Contacts, 2nd Edition

4

Effect of Dust Contamination on Electrical Contacts

Ji Gao Zhang

The scepter, learning, physic must   All follow this and come to dust.

Fear no more, William Shakespeare

CONTENTS

4.1      Introduction

4.1.1      Background

4.1.2      The Importance of the Dust Problem

4.1.3      The Complexity of the Problem

4.1.4      The Purpose of the Studies

4.2      Dusty Environment and Dust Composition

4.2.1      The Source of Dust

4.2.2      The Collection of the Dust Particles for Testing

4.2.3      The Shape of the Dust Particles

4.2.4      The Identification of the Inorganic Materials

4.2.5      The Organic Materials in Dust

4.2.6      The Water Soluble Salts in Dust

4.3      The Characteristics of Dust Particles

4.3.1      The Electrical Behavior ...