Standard Practice for Surface Preparation of Aluminum Alloys to Be Adhesively Bonded in Honeycomb Shelter Panels

SIGNIFICANCE AND USE
4.1 Durable adhesive bonds to aluminum alloys can be obtained reliably only through proper selection and careful control of the materials used and the steps in the bonding process. The preparation of the aluminum alloys to obtain clean, uniform surfaces with appropriate characteristics is a critical step. This practice describes how such surfaces can be obtained.
SCOPE
1.1 This practice covers the preparation of clean uniform surfaces of aluminum alloys suitable for formation of durable adhesive bonds to nonmetallic honeycomb materials in the manufacture of sandwich panels for tactical shelters.  
1.2 The values stated in SI units are to be regarded as the standard where only SI units are given or where SI units are given first followed by inch-pound units; where inch-pound units are given first followed by SI units, the inch-pound units are to regarded as the standard.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For a specific warning statement, see 6.2.1.

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Publication Date
31-Oct-2012
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: E864 − 12
Standard Practice for
Surface Preparation of Aluminum Alloys to Be Adhesively
1
Bonded in Honeycomb Shelter Panels
This standard is issued under the fixed designation E864; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
3
1. Scope 2.2 APHA Standard:
APHAStandard Methods for the Examination of Water and
1.1 This practice covers the preparation of clean uniform
Waste Water (15th Edition, 1980), Sections 402, 403, and
surfaces of aluminum alloys suitable for formation of durable
408
adhesive bonds to nonmetallic honeycomb materials in the
manufacture of sandwich panels for tactical shelters.
3. Terminology
1.2 The values stated in SI units are to be regarded as the
3.1 Definitions—See Terminologies E631 and E1749 for
standard where only SI units are given or where SI units are
definitions of general terms used in this practice.
given first followed by inch-pound units; where inch-pound
units are given first followed by SI units, the inch-pound units
4. Significance and Use
are to regarded as the standard.
4.1 Durable adhesive bonds to aluminum alloys can be
1.3 This standard does not purport to address all of the
obtained reliably only through proper selection and careful
safety concerns, if any, associated with its use. It is the
control of the materials used and the steps in the bonding
responsibility of the user of this standard to establish appro-
process. The preparation of the aluminum alloys to obtain
priate safety and health practices and determine the applica-
clean, uniform surfaces with appropriate characteristics is a
bility of regulatory limitations prior to use. For a specific
critical step. This practice describes how such surfaces can be
warning statement, see 6.2.1.
obtained.
2. Referenced Documents
5. Apparatus
2
2.1 ASTM Standards:
5.1 General Processing:
D2674Methods ofAnalysis of Sulfochromate Etch Solution
5.1.1 All heated tanks shall be equipped with automatic
Used in Surface Preparation of Aluminum
temperature controls and shall have means for agitation to
D3167Test Method for Floating Roller Peel Resistance of
prevent local overheating of the solution. Solutions may be
Adhesives
heated by any internal or external means that do not change
E631Terminology of Building Constructions
their compositions. Steam shall not be introduced into any
E865Specification for Structural Film Adhesives for Hon-
solution. Compressed air introduced into any solution or
eycomb Sandwich Panels
equipment shall have been filtered to remove oil and moisture.
E866 Specification for Corrosion-Inhibiting Adhesive
5.1.2 Tanksshallbemadefrom,orlinedwith,materialsthat
Primer forAluminumAlloys to BeAdhesively Bonded in
havenoadverseeffectsonthesolutionsusedorthepartsbeing
Honeycomb Shelter Panels
treated. All tanks shall be of sufficient size to allow complete
E1749Terminology Relating to Rigid Wall Relocatable
immersion of the largest part or assembly to be treated.
Shelters
5.2 Rinse Tanks—Immersion rinse tanks shall be equipped
with a means for skimming or overflowing or both to remove
1
This practice is under the jurisdiction of ASTM Committee E06 on Perfor-
surface contamination. The tanks shall be equipped with a
mance of Buildings and is the direct responsibility of Subcommittee E06.53 on
means for flushing hollow sections.
Materials and Processes for Durable Rigidwall Relocatable Structures.
Current edition approved Nov. 1, 2012. Published December 2012. Originally
5.3 Rinses—Rinses, other than final rinses, shall be main-
approved in 1982. Last previous edition approved in 2008 as E864–08. DOI:
tained in such a manner to prevent carryover of materials that
10.1520/E0864-12.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available from theAmerican Public HealthAssociation (APHA), 800 I Street,
the ASTM website. NW, Washington, DC 20001-3710, http://www.apha.org.
Copyright ©ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA19428-2959. United States
1

---------------------- Page: 1 ----------------------
E864 − 12
would adversely affect the next solution (for example, using a 7. Test Methods
fog water rinse as the aluminum part/assembly is being
7.1 Chemical Analyses—Perform chemical analyses of the
withdrawn from the rinse tank).
water and solutions as indicated in 7.2 and 7.3. Analyze as
often as neces
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: E864 − 08 E864 − 12
Standard Practice for
Surface Preparation of Aluminum Alloys to Be Adhesively
1
Bonded in Honeycomb Shelter Panels
This standard is issued under the fixed designation E864; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope
1.1 This practice covers the preparation of clean uniform surfaces of aluminum alloys suitable for formation of durable adhesive
bonds to nonmetallic honeycomb materials in the manufacture of sandwich panels for tactical shelters.
1.2 The values stated in SI units are to be regarded as the standard where only SI units are given or where SI units are given
first followed by inch-pound units; where inch-pound units are given first followed by SI units, the inch-pound units are to regarded
as the standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use. For a specific warning statement, see 5.2.16.2.1.
2. Referenced Documents
2
2.1 ASTM Standards:
D2674 Methods of Analysis of Sulfochromate Etch Solution Used in Surface Preparation of Aluminum
D3167 Test Method for Floating Roller Peel Resistance of Adhesives
E631 Terminology of Building Constructions
E865 Specification for Structural Film Adhesives for Honeycomb Sandwich Panels
E866 Specification for Corrosion-Inhibiting Adhesive Primer for Aluminum Alloys to Be Adhesively Bonded in Honeycomb
Shelter Panels
E1749 Terminology Relating to Rigid Wall Relocatable Shelters
3
2.2 APHA Standard:
APHA Standard Methods for the Examination of Water and Waste Water (15th Edition, 1980), Sections 402, 403, and 408
3. Terminology
3.1 Definitions—See Terminologies E631 and E1749 for definitions of general terms used in this practice.
4. Significance and Use
4.1 Durable adhesive bonds to aluminum alloys can be obtained reliably only through proper selection and careful control of
the materials used and the steps in the bonding process. The preparation of the aluminum alloys to obtain clean, uniform surfaces
with appropriate characteristics is a critical step. This practice describes how such surfaces can be obtained.
5. Apparatus
5.1 General Processing:
1
This practice is under the jurisdiction of ASTM Committee E06 on Performance of Buildings and is the direct responsibility of Subcommittee E06.53 on Materials and
Processes for Durable Rigidwall Relocatable Structures.
Current edition approved Nov. 1, 2008Nov. 1, 2012. Published December 2008December 2012. Originally approved in 1982. Last previous edition approved in 20032008
as E864 – 03.E864 – 08. DOI: 10.1520/E0864-08.10.1520/E0864-12.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from the American Public Health Association (APHA), 800 I Street, NW, Washington, DC 20001-3710, http://www.apha.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E864 − 12
5.1.1 All heated tanks shall be equipped with automatic temperature controls and shall have means for agitation to prevent local
overheating of the solution. Solutions may be heated by any internal or external means that do not change their compositions.
Steam shall not be introduced into any solution. Compressed air introduced into any solution or equipment shall have been filtered
to remove oil and moisture.
5.1.2 Tanks shall be made from, or lined with, materials that have no adverse effects on the solutions used or the parts being
treated. All tanks shall be of sufficient size to allow complete immersion of the largest part or assembly to be treated.
5.2 Rinse Tanks—Immersion rinse tanks shall be equipped with a means for skimming or overflowing or both to remove surface
contamination. The tanks shall be equipped with a means for flushing hollow sections.
5.3 Rinses—Rinses, other than final
...

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