ASTM E1793-11
(Practice)Standard Practice for Preparation of Aluminum Alloy for Bonding in Foam and Beam Type Transportable Shelters
Standard Practice for Preparation of Aluminum Alloy for Bonding in Foam and Beam Type Transportable Shelters
SIGNIFICANCE AND USE
Reproducible and 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 alloy suitable for formation of durable adhesive bonds in “foam and beam” panels used for the manufacture of tactical rigid wall shelters.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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.
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Designation: E1793 − 11
Standard Practice for
Preparation of Aluminum Alloy for Bonding in Foam and
1
Beam Type Transportable Shelters
This standard is issued under the fixed designation E1793; 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 3.2.1 Type 1 panels—panels used in the construction of
foam and beam shelters designed for 71.1°C (160°F) elevated
1.1 This practice covers the preparation of clean, uniform
humidity service.
surfaces of aluminum alloy suitable for formation of durable
3.2.2 Type 2 panels—panels used in the construction of
adhesive bonds in “foam and beam” panels used for the
foam and beam shelters designed for 93.3°C (200°F) elevated
manufacture of tactical rigid wall shelters.
humidity service.
1.2 The values stated in SI units are to be regarded as the
3.2.3 foam and beam panel—a sandwich construction con-
standard. The values given in parentheses are for information
sisting of internal rigid foam core placed between structural
only.
beams (at specific distance(s) apart) and bonded to face sheets
1.3 This standard does not purport to address all of the
on both sides.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
4. Significance and Use
priate safety and health practices and determine the applica-
4.1 Reproducible and durable adhesive bonds to aluminum
bility of regulatory limitations prior to use.
alloys can be obtained reliably only through proper selection
and careful control of the materials used and the steps in the
2. Referenced Documents
bonding process. The preparation of the aluminum alloys to
2
2.1 ASTM Standards:
obtain clean, uniform surfaces with appropriate characteristics
E864 Practice for Surface Preparation of Aluminum Alloys
is a critical step. This practice describes how such surfaces can
to Be Adhesively Bonded in Honeycomb Shelter Panels
be obtained.
E1749 Terminology Relating to Rigid Wall Relocatable
Shelters
5. Apparatus
E1794 Specification for Adhesive for Bonding Foam Cored
5.1 General Processing—Practice E864, paragraph 4.1, ap-
Sandwich Panels (200°F Elevated Humidity Service),
plies.
Type II Panels
E1800 Specification for Adhesive for Bonding Foam Cored
6. Materials
Sandwich Panels (160°F Elevated Humidity Service),
6.1 Water—Practice E864, paragraph 5.1, applies.
Type I Panels
6.2 Cleaning Solutions:
3. Terminology
6.2.1 Type 1 Panels—Parts shall be dip cleaned in a solution
3.1 Definitions—See Terminology E1749 for definitions of
which is made up in accordance with the manufacturers’
other terms used in this practice. recommendations. The only requirement for acceptability be-
3.2 Definitions of Terms Specific to This Standard:
ing that the conditions of 7.2.1 be met.
6.2.2 Type 2 Panels—TreataluminumusingeitherMethod1
or Method 2 of Practice E864.
1
This practice is under the jurisdiction of ASTM Committee E06 on Perfor-
mance of Buildings and is the direct responsibility of Subcommittee E06.53 on
7. Test Methods
Materials and Processes for Durable Rigidwall Relocatable Structures.
Current edition approved Sept. 1, 2011. Published October 2011. Originally
7.1 General—The test methods of Practice E864 apply,
approved in 1996. Last previous edition approved in 2005 as E1793 – 05. DOI:
except as otherwise listed.
10.1520/E1793-11.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
7.2 Exceptions:
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
7.2.1 Surface Resistance—Surface resistance measurements
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. shall be made using a Model 152 Microhm meter and a Model
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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E1793 − 11
3
H-2000 test jig. Current shall be 10.0 6 0.2 A. The electrode 9. Quality Assurance
force shall be 267 6 11 kg (600 6 25 lb). The entire apparatus
9.1 Process Inspection—Concentration of the cleaning so-
shall be calibrated per the manufacturer’s recommendations,
lutionsandtheirtemperaturesduringuseshallbeinaccordance
and at least once every week inspect the electrode tips for
with the manufacturer’s recommendations or in accordance
deterioration and wear.
with the requirements of Practice E864. Daily titration and
7.2.2 Physical Strength Test—The adequacy for preparing
temperature readings shall be taken to
...
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:E1793–05 Designation:E1793–11
Standard Practice for
Preparation of Aluminum Alloy for Bonding in Foam and
1
Beam Type Transportable Shelters
This standard is issued under the fixed designation E1793; 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 alloy suitable for formation of durable adhesive
bonds in “foam and beam” panels used for the manufacture of tactical rigid wall shelters.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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.
2. Referenced Documents
2
2.1 ASTM Standards:
E864 Practice for Surface Preparation of Aluminum Alloys to Be Adhesively Bonded in Honeycomb Shelter Panels
E1749 Terminology Relating to Rigid Wall Relocatable Shelters
E1794 Specification forAdhesive for Bonding Foam Cored Sandwich Panels (200F Elevated Humidity Service),Type II Panels
E1800 Specification forAdhesive for Bonding Foam Cored Sandwich Panels (160F Elevated Humidity Service), Type I Panels
3. Terminology
3.1 Definitions—See Terminology E1749 for definitions of other terms used in this practice.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 Type 1 panels—panels used in the construction of foam and beam shelters designed for 71.1°C (160°F) elevated humidity
service.
3.2.2 Type 2 panels—panels used in the construction of foam and beam shelters designed for 93.3°C (200°F) elevated humidity
service.
3.2.3 foam and beam panel—a sandwich construction consisting of internal rigid foam core placed between structural beams
(at specific distance(s) apart) and bonded to face sheets on both sides.
4. Significance and Use
4.1 Reproducible and 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—Practice E864, paragraph 5.14.1, applies.
6. Materials
6.1 Water—Practice E864, paragraph 5.15.1, applies.
6.2 Cleaning Solutions:
6.2.1 Type 1 Panels—Parts shall be dip cleaned in a solution which is made up in accordance with the manufacturers’
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 Oct.Sept. 1, 2005.2011. Published October 2005.2011. Originally approved in 1996. Last previous edition approved in 20002005 as E1793 – 005.
DOI: 10.1520/E1793-05.10.1520/E1793-11.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM 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.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
E1793–11
recommendations. The only requirement for acceptability being that the conditions of 7.2.1 be met.
6.2.2 Type 2 Panels—Treat aluminum using either Method 1 or Method 2 of Practice E864.
7. Test Methods
7.1 General—The test methods of Practice E864 apply, except as otherwise listed.
2
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E1793–11
7.2 Exceptions:
7.2.1 Surface Resistance—Surface resistance measurements shall be made using a Model 152 Microhm meter and a Model
3
H-2000 test jig. Current shall be 10.0 6 0.2A. The electrode force shall be 267 6 11 kg (600 6 25 lb). The entire apparatus shall
be calibrated per the manufacturer’s recommendations, and at least once every week inspect th
...
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