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    ASTM E865-2003 Standard Specification for Structural Film Adhesives for Honeycomb Sandwich Panels《蜂窝夹层板用结构薄膜粘结剂的标准规范》.pdf

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    ASTM E865-2003 Standard Specification for Structural Film Adhesives for Honeycomb Sandwich Panels《蜂窝夹层板用结构薄膜粘结剂的标准规范》.pdf

    1、Designation: E 865 03Standard Specification forStructural Film Adhesives for Honeycomb Sandwich Panels1This standard is issued under the fixed designation E 865; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revi

    2、sion. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) 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. Scope1.1 This specification covers film adhesives for

    3、bonding ofhoneycomb sandwich panels. The adhesives are used for newproduction or depot repair. The adhesives shall be suitable forforming bonds that can withstand long exposures to tempera-tures from 55 to 93C (67 to 200F) and also withstand thecombinations of stress, temperature, and relative humid

    4、ityexpected to be encountered in service. The adhesives shall beused for bonding aluminum alloy facing to nonmetallic core,edge attachments, and other components of a sandwich panel.1.2 The values stated in SI units are to be regarded as thestandard where only SI units are given or where SI units ar

    5、egiven first followed by inch-pound units; where inch-poundunits are given first followed by SI units, the inch-pound unitsare to regarded as the standard.2. Referenced Documents2.1 ASTM Standards:B117 Practice for Operating Salt Spray (Fog) Apparatus2B 209 Specification for Aluminum and Aluminum-Al

    6、loySheet and Plate3C 297 Test Method for Tensile Strength of Flat SandwichConstructions in Flatwise Plane4D 1002 Test Method forApparent Shear Strength of Single-Lap-Joint Adhesively Bonded Metal Specimens by Ten-sion Loading (Metal-to-Metal)5D 1781 Test Method for Climbing Drum Peel for Adhe-sives5

    7、D 2919 Test Method for Determining Durability of Adhe-sive Joints Stressed in Shear by Tension Loading5D 3167 Test Method for Floating Roller Peel Resistance ofAdhesives5E 864 Practice for Surface Preparation ofAluminumAlloysto Be Adhesively Bonded in Honeycomb Shelter Panels6E 866 Specification for

    8、 Corrosion-Inhibiting AdhesivePrimer for Aluminum Alloys to Be Adhesively Bonded inHoneycomb Shelter Panels6E 874 Practice forAdhesive Bonding ofAluminum Facingsto Nonmetallic Honeycomb Core for Shelter Panels6E 1091 Specification for Nonmetallic Honeycomb Core forUse in Shelter Panels6E 1826 Specif

    9、ication for Low Volatile Organic Compound(VOC) Corrosion-Inhibiting Adhesive Primer for Alumi-num Alloys to Be Adhesively Bonded62.2 Federal Specifications:7QQ-A-250/8d Aluminum Alloy 5052H34, Plate and SheetQQ-A-250/11d Aluminum Alloy 6061T6, Plate and SheetNOTE 1Copies of specifications, standards

    10、, drawings, and publica-tions required by suppliers in connection with specific purchases shall beobtained from the purchaser or as directed by his contracting officer.3. Ordering Information3.1 Procurement DocumentsPurchasers shall select anyof the desired options offered herein and the procurement

    11、documents shall specify the following:3.1.1 Title, number, and date of this specification,3.1.2 Adhesive type and code number,3.1.3 Amounts and unit quantities of adhesives required,3.1.4 Length, width, and film weight of adhesive,3.1.5 Curing conditions,3.1.6 Level of packaging and packing required

    12、, and3.1.7 Whether or not qualification (see 3.2) is necessary.3.2 QualificationIn the case of adhesives for which thepurchaser requires qualification, the procurement documentsshall state that awards will be made only for adhesives that are,at the time set for opening of bids, qualified for inclusi

    13、on in theapplicable qualified products list.4. Requirements4.1 MaterialThe adhesive shall be thermosetting and,when tested using the tests described in Section 5, shall meet1This specification is under the jurisdiction of ASTM Committee E06 onPerformance of Buildings and is the direct responsibility

    14、 of Subcommittee E06.53on Materials and Processes for Durable Rigidwall Relocatable Structures.Current edition approved April 10, 2003. Published May 2003. Originallyapproved in 1982. Last previous edition approved in 1999 as E 865 99.2Annual Book of ASTM Standards, Vol 03.02.3Annual Book of ASTM St

    15、andards, Vol 02.02.4Annual Book of ASTM Standards, Vol 15.03.5Annual Book of ASTM Standards, Vol 15.06.6Annual Book of ASTM Standards, Vol 04.11.7Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.1Copyright ASTM Internat

    16、ional, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.the strength and durability requirements of this specification.The adhesive shall not have a deleterious effect on the metalsurfaces being bonded over the range of temperatures at whichthe adhesives will be us

    17、ed.4.2 Form and Film WeightThe adhesive shall be filmform and shall consist either entirely of adhesive or of a carrierimpregnated with adhesive. The film weight shall be within therange specified in Table 1.4.3 AppearanceThe adhesive film shall be uniform inappearance. It shall be of a uniform coat

    18、ing that is free ofstreaks and color variations.4.4 QualificationAt the option of the purchaser, the ad-hesive may be required to be a product (see 6.3) for listing onthe applicable qualified products list at the time set for openingof bids. The qualification shall only apply to the formulation onwh

    19、ich qualification tests have been made. Any changes by themanufacturer, such as the adding of fillers, changing the carrier,changing the method of manufacture, or changing the mass perunit area, shall be cause for designating the adhesive as a newproduct. The new product shall be given a new code nu

    20、mberand shall not be approved until it has been shown to meet therequirements of the specification.4.5 Working Characteristics:4.5.1 ApplicationThe adhesive shall be suitable for appli-cation to metal facings and core materials in accordance withthe manufacturers instructions at temperatures between

    21、 18 and30C (65 and 85F) and at relative humidities of up to 50 %.4.5.2 CuringThe time, temperature, and pressure used tocure the adhesive shall be within the range specified herein.4.5.2.1 Curing Time and TemperatureThe adhesive shallmeet the requirements of this specification when cured for notlong

    22、er than1hatabond line temperature not exceeding 145C(293F).4.5.2.2 Curing PressureIn the preparation of specimensfabricated for qualification, the pressure required for curing theadhesive shall not be less than 140 kPa (20 psi) nor more than350 kPa (50 psi).4.6 Storage LifeThe adhesive manufacturer

    23、shall deter-mine the maximum temperature and the storage period at thistemperature (from date of manufacture) for which the adhe-sive, when stored in airtight containers or wrapped in suitablevapor barriers, will retain its ability to meet the strengthrequirements specified in Table 1. These storage

    24、 conditionsshall be stated in the instruction sheet (see 6.3.1.1).4.7 Mechanical PropertiesThe average mechanical prop-erties of the adhesive shall meet the requirements of Table 1.5. Test Methods5.1 Qualification TestsFor qualification, the adhesiveshall be tested using the tests described in this

    25、section. Sheartests shall be performed in accordance with Test MethodD 1002.5.2 Preparation of Test SpecimensPrepare at least tenspecimens for each separate test except as otherwise specifiedin the individual test methods. The metal bonded shall be6061T6 or 5052H34 aluminum alloy (Federal Specificat

    26、ionQQ-A-250/11d or QQ-A-250/8d, respectively or SpecificationB 209) cleaned as described in Practice E 864 and at thepurchasers option, primed in accordance with SpecificationE 866 or Specification E 1826. Time and temperature of curingof the adhesive shall be in accordance with the adhesivemanufact

    27、urers most recent recommendation. Test panels orspecimens, or both, other than the breakaway type shall be cutin such a manner that minimum vibration or heat is generatedduring the cutting operation.5.3 Normal-Temperature Lap ShearSubject specimens toa lap shear test at normal temperature 25 6 3C (7

    28、76 5F).5.4 High-Temperature Lap ShearTest specimens at 60 63C (140 6 5F) and 93 6 3C (2006 5F). Bring thespecimen to temperature as indicated by a thermocouple at thebond area and stabilize for 10 min just prior to test. Stabilizethe chamber used to test the specimens at the test temperaturefor 45 m

    29、in prior to testing.5.5 Low-Temperature Lap ShearTest specimens at 55 63C (67 6 5F). Bring the specimen to temperature asindicated by a thermocouple at the bond area and stabilize for10 min just prior to test. Stabilize the chamber used to test thespecimens at the test temperature for 45 min prior t

    30、o testing.5.6 Humidity Exposure Lap ShearTest lap shear speci-mens at 93 6 3C (200 6 5F) after 2 weeks exposure to 956 5 % relative humidity and 936 3C (200F 6 5F). Bringthe specimen to temperature as indicated by a thermocouple atthe bond area and test within 2 min. The test chamber used totest the

    31、 specimens shall be stabilized at the test temperature forat least 45 min prior to testing. Start the test of each humidityexposure lap shear test specimen no later than 30 min afterremoving it from the humidity chamber.5.7 Salt Spray Exposure Lap ShearTest specimens inaccordance with the salt spray

    32、 test of Test Method B117for 2weeks exposure to salt spray using 5 % NaCl solution at 35 63C (95F 6 5F).TABLE 1 Physical Requirements for the Film AdhesiveTest RequirementAFilm weight, kg/m2 (lb/ft2) 0.405 to 0.480 (0.083 to0.100)Normal-temperature lap shear, MPa (psi) 20 (2903)High-temperature lap

    33、shear, MPa (psi)60C (140F) 20 (2903)93C (199F) 13 (1888)Low-temperature lap shear, MPa (psi) 20 (2903)Humidity exposure lap shear, MPa (psi) 5 (723)Salt spray exposure lap shear, MPa (psi) 16 (2322)Normal-temperature floating roller peel, N/m(lbf/in.)4400 (25.1)Low-temperature floating roller peel,

    34、N/m (lbf/in.) 2625 (15.0)Dead load stress durability, h:40 % of 60C (140F) failure stress 4030 % of 60C (140F) failure stress 54020 % of 60C (140F) failure stress 1500Normal-temperature climbing drum peel, Nm/m(lbfin./in.)36 (8)High-temperature climbing drum peel, Nm/m(lbfin./in.)18 (4)Flatwise tens

    35、ile strength, MPa (psi) 2.1 (306)Storage life testBAExcept for film weight, values stated are the minimal to be met by the averagesof the results for the specimens tested.BThe storage life at the maximum recommended temperature and under therecommended storage conditions shall be stated in the instr

    36、uctions.E8650325.8 Normal-Temperature Floating Roller PeelTest speci-mens at normal temperature 25 6 3C (77 6 5F) inaccordance with Test Method D 3167.5.9 Low-Temperature Floating Roller PeelTest eachspecimen at 55 6 3C (67F6 5F). Bring the specimen totemperature as indicated by a thermocouple at th

    37、e bond areaand stabilize for 10 min just prior to testing. Stabilize thechamber used to test the specimen at the test temperature for 45min prior to testing.5.10 Dead Load Stress DurabilityTest the specimens inaccordance with Test Method D 2919. Maintain the conditionsof the test chamber at 60 6 3C

    38、(140F6 5F) and 95 6 5%relative humidity.5.11 Normal-Temperature Climbing Drum PeelTest fivespecimens (constructed using a 50-mm (2-in.) deep core, TypeIV of Specification E 1091, and 0.5-mm (0.02-in.) skins) in the“L” direction for peel strength in accordance with Test MethodD 1781 using the load co

    39、rrection described in 7.1.2 of thatmethod. Make an autographic recording of force versus headmovement. Test the specimen at normal temperature 256 3C(77F 6 5F) and at a relative humidity of 50 6 10 %.5.12 High-Temperature Climbing Drum PeelTest fivespecimens (constructed using a 50-mm (2-in.) deep c

    40、ore, TypeIV of Specification E 1091, and 0.5-mm (0.02-in.) skins) inaccordance with 5.11, except stabilize the test temperature at93 6 3C (200 6 5F) for 10 min as determined by athermocouple adjacent to the specimen skin. The test chamberused to test the specimens shall be stabilized at the testtemp

    41、erature for at least 45 min prior to testing.5.13 Flatwise Tensile StrengthTest five specimens (con-structed using 50-mm (2-in.) deep core, Type IV of Specifica-tion E 1091, and 0.50-mm (0.02-in.) thick skins) in accordancewith Test Method C 297, except that 76.2 by 76.2-mm (3 by3-in.) test specimen

    42、s shall be used with corresponding 76.2 by76.2-mm (3 by 3-in.) tension blocks. Test the specimens atnormal temperature 25 6 3C (77 6 5F) and at a relativehumidity of 50 6 10 %.NOTE 2Core may be dried prior to preparation of test specimen.6. Inspection6.1 Responsibility for InspectionUnless otherwise

    43、 speci-fied in the contract or purchase order, the supplier is respon-sible for the performance of all inspection requirements asspecified herein. Except as otherwise specified in the contractor order, the supplier may use his own or any other facilitiessuitable for the performance of inspection req

    44、uirements speci-fied herein unless disapproved by the purchaser. The purchaserhas the right to perform any of the inspections set forth in thespecification where such inspections are deemed necessary toassure compliance with the requirements.6.2 Classification of InspectionsThe inspection require-me

    45、nts specified herein are classified as follows:6.2.1 Qualification inspection (see 6.3), and6.2.2 Quality conformance inspection (see 6.4).6.3 Qualification Inspection:6.3.1 Qualification TestUnless otherwise specified by thepurchaser (see 3.2), adhesives that have not passed the quali-fication test

    46、s, or that have previously passed the tests but havesubsequently been modified in any manner, must be testedagainst this specification and shown to meet its requirements.6.3.1.1 Instruction SheetA dated, coded, and titled in-struction sheet that outlines instructions for use of the adhesivein bondin

    47、g metal facings to paper cores and metal componentsshall be supplied by the manufacturer. These instructions shallbe forwarded with the test report (see 6.3.3) when requestingqualification. In addition, a copy of the instruction sheet shallaccompany each shipment of the adhesive.At the option of the

    48、purchaser, qualification tests may be repeated at any time onmaterial previously found satisfactory.6.3.2 Periodic ReevaluationAreevaluation of an adhesiveshall be made at 5-year intervals after the date of notification ofthe products acceptability for qualification.6.3.2.1 Reevaluation ProcedureIt

    49、shall be the responsibil-ity of the supplier of the qualified adhesive to furnish to thepurchaser, at 5-year intervals, the data necessary to confirm thecontinued conformity of the product to the qualification re-quirements. These data shall be complete test results for asample representative of current production, tested against allthe requirements of the specification. In the event the date forrequalification has passed and no current production materialsor data are available for reevaluatio


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