Table of Contents

Personnel
Preface
Supporting Organizations
Contributing Organizations
Abstract
Introduction: Research Program on Improving the Welding
Environment
Overview of Fume Constituents
Survey of Part 1, Fume Ventilation Data
Survey of Part II, Fumes from Arc Welding Electrodes
Survey of Part III, Fumes from Brazing
Survey of Part IV, Fumes from Thermal Spraying
Survey of Part V, Fumes from Oxygen Cutting
Organization of this Report
Part I - Ventilation Studies
  Introduction
  Scope
  Limitations
  Program
  Equipment, Materials, Procedure
  List of Symbols Used in Sections IA, IB, and IC
  Section IA - General Room Ventilation
    Fluid Dynamic Considerations'
    Room Ventilation
  Section IB - Local Ventilation
    Data Needed
    Calibration of Equipment
    Experimental Procedure
    Experimental Results
  Section IC - Local Exhaust Studies
    Calibration of Equipment
    Experimental Procedure
    Experimental Results
  Application of Results of Part I
    Question 1
    Question 2
    Question 3
  Summary of Part I
Part II - Arc Welding Fumes and Gases
  Introduction
  Scope
  Limitations
  Program
  Equipment, Materials, Procedure
  Section IIA - Laboratory Test Method
    Procedures
    Chamber Evaluation
    Experimental Results
  Section IIB - Fume Generation Characteristics of Arc Welding
                Electrodes
    Baseline Data
    Covered and Flux Cored Electrodes
    Solid Electrodes
  Section IIC - Effects of Process Variables on Fume Generation
              Rates
    Current Effects
    Current Density Effects
    Arc Voltage-Arc Length Effects
    Effects of Iron Powder Additions
    Other Studies
  Section IID - Analytical Studies
    Analysis of Fume
    Fume Characterization
    Gas Detection
  Section IIE - Effect of Humidity on Fume Sampling
    Sampling Area
    Experimental Procedures
    Experimental Results
  Summary of Part II
    Principal Fumes and Gases Present
    Covered Electrodes
    Flux Cored Electrodes
    Solid Electrodes
    Fume Generation Characteristics of Gas Tungsten Arc
    Welding III
    Process Variables III
    Other Studies
    Analytical Studies
Part III - Brazing Fumes and Gases
  Introduction
  Scope
  Limitations
  Program
  Equipment, Materials, Procedure
  Section IIIA - Total Fume Generation Characteristics
    Flux Covered Melts
    Gas Covered Melts
  Ingot Weight Losses
  Section IIIB - Fume Composition
    Flux Covered Melts
    Gas Covered Melts
    Discussion of Analytical Data
    Ingot Composition and Weight Changes
  Discussion
    Filler Metal Handling and Surface Protection
    Filler System
    Test Chamber
    Analytical Procedures
  Summary of Part III
Part IV - Thermal Spraying Fumes and Gases
  Introduction
  Scope
  Limitations
  Program
  Equipment, Materials, Procedures
  Section IVA - Gas Combustion Spraying
    Discussion
  Section IVB - Electric Arc Spraying
    Discussion
  Summary of Part IV
Part V - Fumes and Gases from Oxygen Cutting
  Introduction
  Scope
  Limitations
  Program
  Equipment, Materials, Procedures
  Section VA - Oxyacetylene Cutting
    Cutting under Normal Conditions
    Cutting at Various Gas Pressures
    Cutting at Various Speeds
  Section VB - Oxymethane Cutting
    Cutting under Normal Conditions
    Cutting at Various Pressures
    Cutting at Various Speeds
  Discussion
    Fume Composition
    Fume Particles
    Importance of Fume Generation Rates
  Summary of Part V
Appendix A - Electrodes Usedin Partll, Tables Al to A3
Appendix B - Tables Bl to B43 (Tabular Data on Fume
             Generation Characteristics of
             Electrodes Used in Part II)
Appendix C - Tables Cl to C4 (Summary of Original Data,
             Part III)
Appendix D - Tables Dl andD2 (Laboratory Data Sheets for
             Part IV)
Appendix E - Tables El to E6 (Laboratory Data Sheets for
             Part V)
References and Literature Surveyed
  Introduction, 1-6
  Part I, 1.1-1.4
  Part II, 2.1-2.24
  Part III, 3.1-3
  Part V, 5.1, 5.2
Index

Abstract

A follow-up study of fumes and gases generated during arc welding, brazing, thermal spraying and oxygen cutting.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Welding Society
Pages
ISBN