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Blast Cleaning Technology
Book · January 2008
DOI: 10.1007/978-3-540-73645-5_7
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Andreas Momber
RWTH Aachen University
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Blast Cleaning Technology
A. Momber
Blast Cleaning Technology
With 385 Figures and 169 Tables
Andreas Momber
Privatdozent Dr.-Ing. habil.
Hamburg
Germany
ISBN: 978-3-540-73644-8
Library of Congress Control Number: 2007931617
c 2008 Springer-Verlag Berlin Heidelberg
e-ISBN: 978-3-540-73645-5
This work is subject to copyright. All rights are reserved, whether the whole or part of the material is
concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting,
reproduction on microfilm or in any other way, and storage in data banks. Duplication of this publication
or parts thereof is permitted only under the provisions of the German Copyright Law of September 9,
1965, in its current version, and permission for use must always be obtained from Springer. Violations are
liable to prosecution under the German Copyright Law.
The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply,
even in the absence of a specific statement, that such names are exempt from the relevant protective laws
and regulations and therefore free for general use.
Cover design:
eStudio Calamar, Girona, Spain
Printed on acid-free paper
9 8 7 6 5 4 3 2 1
springer.com
Contents
1 Introduction
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 Motivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 Introductory Remarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 Blast Cleaning Methods and Applications . . . . . . . . . . . . . . . . . . . . . . . .
2 Abrasive Materials
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1 Classification and Properties of Abrasive Materials . . . . . . . . . . . . . . . .
2.2 Abrasive Material Structure and Hardness . . . . . . . . . . . . . . . . . . . . . . . .
2.2.1 Structural Aspects of Abrasive Materials . . . . . . . . . . . . . . . . . .
2.2.2 Hardness of Abrasive Materials . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Abrasive Particle Shape Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.1 Basic Shape Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.2 Relative Proportions of Particles . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.3 Geometrical Forms of Particles . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 Abrasive Particle Size Distribution and Abrasive Particle Diameter . . .
2.4.1 Particle Size Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.1.1 General Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.1.2 Sieve Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.1.3 Particle Size Distribution Models . . . . . . . . . . . . . . . .
2.4.2 Particle Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.3 Alternative Abrasive Particle Size Assessment Methods . . . . . .
2.5 Density of Abrasive Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6 Number and Kinetic Energy of Abrasive Particles . . . . . . . . . . . . . . . . .
2.6.1 Abrasive Particle Number and Frequency . . . . . . . . . . . . . . . . . .
2.6.2 Kinetic Energy of Abrasive Particles . . . . . . . . . . . . . . . . . . . . . .
2.6.3 Power Availability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.7 Impurities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.8 Global Abrasive Evaluation Parameter . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.9 Process Behaviour of Abrasive Particles . . . . . . . . . . . . . . . . . . . . . . . . .
2.9.1 Fracture Zones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.9.2 Fracture Probability of Abrasive Particles . . . . . . . . . . . . . . . . . .
2.9.3 Effects of Abrasive Material Structure . . . . . . . . . . . . . . . . . . . .
2.9.4 Debris Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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