ASTM D3167-2010(2017) Standard Test Method for Floating Roller Peel Resistance of Adhesives《胶粘剂的浮动滚筒抗剥离性的标准试验方法》.pdf

1、Designation: D3167 10 (Reapproved 2017)Standard Test Method forFloating Roller Peel Resistance of Adhesives1This standard is issued under the fixed designation D3167; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last

2、 revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.INTRODUCTIONThe purpose of this test method is to provide for the determination of the metal-to-metal peelstrength of adhesives by a m

3、ethod that will provide good reproducibility at low-, as well as athighstrength levels and yet allow for a simple method of test specimen preparation and testing.The accuracy of the results of strength tests of adhesive bonds will depend on the conditions underwhich the bonding process is carried ou

4、t. Unless otherwise agreed upon between the manufacturer andthe purchaser, the bonding conditions shall be prescribed by the manufacturer of the adhesive. In orderto ensure that complete information is available to the individual conducting the tests, themanufacturer of the adhesive shall furnish nu

5、merical values and other specific information for each ofthe following variables:(1) Procedure for preparation of the surfaces prior to application of the adhesive, the cleaning anddrying of metal surfaces, and special surface treatments such as sanding, which are not specificallylimited by the pert

6、inent test method.(2) Complete mixing directions for the adhesive.(3) Conditions for application of the adhesive, including the rate of spread or thickness of film,number of coats to be applied whether to be applied to one or both surfaces, and the conditions ofdrying where more than one coat is req

7、uired.(4) Assembly conditions before application of pressure, including the room temperature and lengthof time.(5) Curing conditions, including the amount of pressure to be applied, the length of time underpressure, and the temperature of the assembly when under pressure. It should be stated whether

8、 thistemperature is that of the glue line, or of the atmosphere at which the assembly is to be maintained.(6) Conditioning procedure before testing, unless a standard procedure is specified, including thelength of time, temperature, and relative humidity.Arange may be prescribed for any variable by

9、the manufacturer of the adhesive, if it can be assumedby the test operator that any arbitrarily chosen value within such a range or any combination of suchvalues for several variables will be acceptable to both the manufacturer and the purchaser of theadhesive.1. Scope1.1 This test method covers the

10、 determination of the relativepeel resistance of adhesive bonds between one rigid adherendand one flexible adherend when tested under specified condi-tions of preparation and testing.1.2 A variation in thickness of the adherends will generallyinfluence the test values. For this reason, the thickness

11、 of thesheets used to make the test specimens shall be specified in thematerial specification. When no thickness is specified, theflexible adherend shall be 0.63 mm (0.025 in.) thick and therigid adherend shall be 1.63 mm (0.064 in.) thick.1.3 The values stated in SI units are to be regarded as thes

12、tandard. The values given in parentheses are for informationonly.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is the1This test method is under the jurisdiction of ASTM Committee D14 onAdhesives and is the direct responsibility of Subcom

13、mittee D14.80 on MetalBonding Adhesives.Current edition approved Nov. 1, 2017. Published November 2017. Originallyapproved in 1973. Last previous edition approved in 2010 as D3167 10. DOI:10.1520/D3167-10R17.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 1942

14、8-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Techni

15、cal Barriers to Trade (TBT) Committee.1responsibility of the user of this standard to establish appro-priate safety, health, and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internati

16、onally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2B209 Spec

17、ification for Aluminum and Aluminum-AlloySheet and PlateD907 Terminology of AdhesivesD1781 Test Method for Climbing Drum Peel for AdhesivesE4 Practices for Force Verification of Testing Machines3. Terminology3.1 DefinitionsMany of the terms used in this test methodare defined in Terminology D907.4.

18、Summary of Test Method4.1 This test method consists of testing laminated or bondedadherends, where one adherend is made to be rigid and theother adherend is made to be flexible, by peeling of the flexibleadherend from the rigid adherend at a controlled angle of peelusing the test fixture shown in Fi

19、g. 1.5. Significance and Use5.1 Use this test method for acceptance and process controltesting. This test method may be used as an alternative to TestMethod D1781 when that facility is not available. This testmethod is considered more severe since the angle of peel isgreater.6. Apparatus6.1 Testing

20、Machine, conforming to the requirements ofPractices E4. Select a testing machine that is autographic withchart capability, that reads and records in millimetres (inches)of separation as one coordinate and applied load as the othercoordinate, the applied load accurate to within 61 %. Addi-tional capa

21、bilities of the machine are a crosshead rate of 152mm/min (6 in./min), with self-aligning grips to hold thespecimen, and where the breaking load of the specimens fallsbetween 15 and 85 % of the full-scale machine capacity. Thegrips need to engage the outer 25.4 mm (1 in.) of the flexible2For referen

22、ced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.FIG. 1 Roller Drum Peel Test FixtureD3167 10 (2017)2adherend firmly and w

23、hen the load is applied, the direction ofthe applied pull needs to be through the center line of the gripassembly.6.2 Attach a fixture as shown in Fig. 1 to one of the testingmachine cross arms and ensure that the 1-in. diameter rollers ofthe test fixture roll freely.7. Sample Preparation7.1 Laminat

24、ed test panels (see Fig. 2) consist of twoadherends properly prepared and bonded together in accor-dance with the adhesive manufacturers recommendations. Atleast 30.5 mm of the flexible member should be masked withPTFE tape release film, or by equivalent means, to preventadhesion of rigid member in

25、the area shaded in Fig. 2. This willhelp enable the flexible member to be more easily bent inaccordance with the picture of the test specimen in Fig. 2,asdescribed in 7.3.7.2 Unless otherwise specified, use clad aluminum alloyconforming to the specification for aluminum-alloy sheet andplate (Specifi

26、cation B209) Alloy 2024-T3.7.3 Cut the bonded panels into 12.7-mm (0.5-in.) wide testspecimens (see Fig. 2) by a means that is not deleterious to thebond. The use of edge members depends upon the desire tomeasure peel strengths in this area. The method of cutting testspecimens is controlled by adher

27、end and adhesive composi-tions and the accuracy desired. Shearing, milling, and band-saws can all be used successfully. Bend the unbonded end ofthe flexible adherend, perpendicular to the rigid adherend,peeling the flexible adherend away from the rigid adherend forat least 30.5 mm (see Fig. 2). Sele

28、ct two specimens for eachtemperature tested from each of three bonded panels.NOTE 1Direct comparison of different adhesives may be made onlywhen specimen construction and test conditions are identical.NOTE 2Within the limitations imposed by 7.3, other specimen widthsmay be used, provided the test ma

29、chine grip and peel test fixtures are ofample width to apply the load uniformly across the width of theadherends.NOTE 3Direct comparison of different adhesives may be made onlywhen the angle of peel is identical. The operator must ascertain that theflexible adherend is bending over the mandrel and n

30、ot at some irregularangle.8. Test Method8.1 Insert the test specimen into the peel test fixture asshown in Fig. 1, with the unbonded end of the flexibleadherend gripped in the test machine jaw. Peel the specimen at152-mm/min (6-in./min) bond separation rate by applying theload at a constant head spe

31、ed of 152 mm/min. If the rigidadherend bends or is distorted during the test, it is recom-mended that the specimen be redesigned with a backup rigidadherend stiff enough to ensure even peel.8.2 During the peel test, make an autographic recording ofload versus head movement (load versus distance peel

32、ed).8.3 Record the load over at least a 76-mm (3-in.) length ofthe bond line, disregarding the first 25.4 mm (1 in.) of peel.9. Calculation9.1 Determine from the autographic curve, or at least 76.2mm (3 in.) of peeling (disregarding the first 25.4 mm (1 in.),the average peeling load in pounds-force

33、per inch (or kilone-wtons per metre) of the specimen width required to separate theadherends. It is preferred that the average load be determinedfrom the curve by means of a planimeter.NOTE 4In case a planimeter is not used, the average may be calculatedas the average of load readings taken at fixed

34、 increments of crossheadmotion. For example, the load may be recorded at each 12.7-mm (12-in.)interval of crosshead motion (discarding the first 25.4 mm (1 in.) until atleast six readings have been attained.10. Report10.1 Report the following information:10.1.1 Complete identification of the adhesiv

35、e tested includ-ing type, source, manufacturers code number, batch or lotnumber, form, etc.10.1.2 Complete identification of adherends used, includingmaterial thickness, surface preparation, and orientation.10.1.3 Description of bonding process, including method ofapplication of adhesive, glueline t

36、hickness, drying or precuringconditions (where applicable), curing time, temperature, andpressure.10.1.4 The average thickness of adhesive layer after forma-tion of the joint shall be reported within 0.0127 mm (0.0005in.). The method of obtaining the thickness of adhesive layershall be described inc

37、luding procedure, location ofmeasurements, and range of measurements.10.1.5 Complete description of the test specimen, includingdimensions and construction of the test specimen, conditionsused for cutting individual test specimens, number of testpanels represented, and number of individual test spec

38、imens.10.1.6 Conditioning procedure prior to testing.FIG. 2 Test Panel and Test SpecimenD3167 10 (2017)310.1.7 Testing temperature.10.1.8 Type of test machine and crosshead separation rateused.10.1.9 Method of recording load and determining averageload.10.1.10 Average, maximum, and minimum peeling l

39、oadvalues for each individual specimen.10.1.11 Average peel strength in pounds-force per inch (orkilonewtons per metre) of width for each combination ofmaterials and constructions under test.10.1.12 Type of failure, that is, cohesive failure within theadhesive or adherend or adhesion to the adherend

40、, or combi-nation thereof, for each individual specimen.11. Precision and Bias11.1 Participants to conduct an interlaboratory study aresought; a precision and bias statement for this test is targetedfor April 2012.12. Keywords12.1 adhesives; assemblies; bonds; laminates; metal; peel;rollerASTM Inter

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