BS-6918-1990 ISO-8044-1989.pdf
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1、BRITISH STANDARD BS 6918:1990 ISO 8044:1989 Glossary of Terms for corrosion of metals and alloys Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 01:09:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6918:1990 This British Standard, having been prepared under the direction of the Iron and Ste
2、el and the Non-ferrous Metals Standards Policy Committees, was published under the authority of the Board of BSI and comes into effect on 31 July 1990 BSI 09-1999 First published December 1987 First revision July 1990 The following BSI references relate to the work on this standard: Committee refere
3、nce ISM/NFM/8 Draft for comment 88/38928 DC ISBN 0 580 18594 X Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Iron and Steel Standards Policy Committee (ISM/-) and Non-ferrous Metals Standards Policy Committees (NFM/-) to Technical Comm
4、ittee ISM/NFM/8, upon which the following bodies were represented: Aluminium Federation British Gas plc British Steel Industry Department of Trade and Industry (National Physical Laboratory) Department of Transport (Transport and Road Research Laboratory) Electricity Supply Industry in England and W
5、ales Institution of Corrosion Science and Technology Institution of Structural Engineers Society of Chemical Industry United Kingdom Atomic Energy Authority Welding Institute Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 01:09:03 GMT+
6、00:00 2006, Uncontrolled Copy, (c) BSI BS 6918:1990 BSI 09-1999i Contents Page Committees responsibleInside front cover National forewordii 1Scope1 2General terms1 3Types of corrosion5 4Electrochemical corrosion terms8 5Corrosion testing10 Annex A (normative) Some basic electrochemical terms12 Annex
7、 B (informative) Bibliography14 Alphabetical index15 Publications referred toInside back cover Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 01:09:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6918:1990 ii BSI 09-1999 National foreword This British Standard has been prepared under the di
8、rection of the Iron and Steel and the Non-ferrous Metals Standards Policy Committees and is identical with the English text of ISO 8044:1989 “Corrosion of metals and alloys Vocabulary”, published by the International Organization for Standardization (ISO). It supersedes BS 6918:1987 which is withdra
9、wn. The International Standard contains an introduction which is as follows. “The definitions in this International Standard have been drawn up with the objective of achieving a proper balance between precision and simplicity. The main objective of this International Standard is to provide definitio
10、ns that can be understood to have the same meaning by all concerned. Some corrosion terms in present use have developed through common usage and are not always logical. It has not, therefore, been possible to define certain terms in the form they are used in some countries. Because of the occaional
11、conflicts between tradition and logic some definitions inevitably represent a compromise. An example of this kind of conflict is the term “corrosion”. This has been used to mean the process, results of the process and damage caused by the process. In this International Standard corrosion is understo
12、od to mean the process. Any detectable result of corrosion in any part of a corrosion system is termed “corrosion effect”. The term “corrosion damage” covers any impairment of the function of the technical system of which the metal and the environment form a part. Consequently the term “corrosion pr
13、otection” implies that the important thing is to avoid corrosion damage rather than to prevent corrosion, which in many cases is impossible and sometimes not necessary. This International Standard contains, in Annex A, a list of definitions of electro-chemical terms”. Cross-references The Technical
14、Committee has reviewed the provisions of ISO 2080:1981, to which reference is made in the text, and has decided that they are acceptable for use in conjunction with this standard. There is no corresponding British Standard for this International Standard, but as the reference is included purely for
15、information, this does not adversely affect the validity of the standard. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer
16、immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 16, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated i
17、n the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 01:09:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6918:1990 BSI 09-19991 Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 01:09:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6918:199
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