1、Designation: D3658 01 (Reapproved 2016)Standard Test Method forDetermining the Torque Strength of Ultraviolet (UV) Light-Cured Glass/Metal Adhesive Joints1This standard is issued under the fixed designation D3658; the number immediately following the designation indicates the year oforiginal adoptio
2、n or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This test method covers the simplistic comparison ofstrengths of glass/meta
3、l joints when the adhesive is cured byultraviolet (UV) radiation and standard specimens are used andtested under specified conditions of preparation, radiation, andload.1.2 This test method involves torque loading UV-bondedhexagonal metal blocks to glass plates.1.3 This test method may be used to ob
4、tain comparativetorque strength-to-failure data for other bonded joint systems,radiation cured or not.1.4 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not con
5、sidered standard.1.5 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to us
6、e.2. Referenced Documents2.1 ASTM Standards:2A109/A109M Specification for Steel, Strip, Carbon (0.25Maximum Percent), Cold-RolledA167 Specification for Stainless and Heat-ResistingChromium-Nickel Steel Plate, Sheet, and Strip (With-drawn 2014)3B36/B36M Specification for Brass Plate, Sheet, Strip, An
7、dRolled BarB152/B152M Specification for Copper Sheet, Strip, Plate,and Rolled BarB209 Specification for Aluminum and Aluminum-AlloySheet and PlateB265 Specification for Titanium and Titanium Alloy Strip,Sheet, and PlateD907 Terminology of AdhesivesD1002 Test Method for Apparent Shear Strength of Sin
8、gle-Lap-Joint Adhesively Bonded Metal Specimens by Ten-sion Loading (Metal-to-Metal)3. Terminology3.1 DefinitionsMany of the terms in this test method aredefined in Terminology D907.4. Significance and Use4.1 This test method provides reasonably accurate informa-tion with regard to the ability of UV
9、 curing adhesives towithstand torsional shearing forces. It may be used to deter-mine the effect of environment on torsional shear strength.5. Apparatus5.1 Test system consisting of apparatus capable of transfer-ring a uniform and continuous torque to the bonded hexagonalblock (schematically shown i
10、n Fig. 1), and a safety shield orother safety device to prevent injury from possible shatteringglass.5.2 An accurate and reliable means of recording load tofailure, that is, x-y or strip chart recorder, should also be part ofthe test system.6. Test Specimens6.1 Recommended specimens are as shown in
11、Fig. 2.6.2 Selection of the test metal for hexagonal blocks is at thediscretion of the user; however, the following grades arerecommended (see Test Method D1002):Metal SpecificationBrass B36/B36M, Alloy 8Copper B152/B152M, Type AAluminum B209, Alloy 2024, T3 TemperSteel A109/A109M, Grade 2Corrosion-
12、resisting steel A167, Type 302Titanium B2651This test method is under the jurisdiction of ASTM Committee D14 onAdhesives and is the direct responsibility of Subcommittee D14.80 on MetalBonding Adhesives.Current edition approved May 1, 2016. Published May 2016. Originallyapproved in 1978. Last previo
13、us edition approved in 2008 as D3658 01 (2008).DOI: 10.1520/D3658-01R16.2For referenced 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 AS
14、TM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States16.3 Hexagonal blocks may be reused after testing by bond-ing the opposite end of the block
15、or by cleaning the originalbonded end by sanding or grinding and taking care to ensurethat ends are smooth and parallel.6.4 Selection of the glass plate is at the discretion of theuser. Standard12-in. (13-mm) thick pressed plate glass isrecommended.7. Preparation of Test Specimens7.1 The assembly an
16、d cure of the specimen is recommendedas shown in Fig. 3.7.2 Cut glass plates 3 by 3 in. (76 by 76 mm) square to fitthe holding fixture without lateral movement.7.3 A recommended cleaning procedure is to soak the glassplates in a dilute detergent solution for 2 to 3 min, followed bylight scrubbing wi
17、th an absorbent cleaning tissue.4Thenthoroughly rinse the glass plates with distilled or deionizedwater and air dry.7.4 Metal hexagonal blocks,12 in. (13 mm) high, may beprepared by light sanding with 400 grade wet or dry emerypaper, followed by solvent wiping, such as 1,1,1-trichloro-ethane.NOTE 1P
18、reparation of adherends are recommended only. Users may4Kimwipes, available from Kimberly-Clark Corp., 128 N. Lake, Neenah, Wisc.54956, or equivalent, have been found satisfactory for this purpose.Details1Base plate2Upright3Mounting bracket4Lebow socket wrench sensor Model 2133-1035Pillow blockBosto
19、n #PPB106ExtensionArmstrong #4-105 A71-in. (25.4-mm) hexagonal socketArmstrong #A4-6328UV specimen (see Fig. 2)9Adjustable side guides (Fig. 2)10Neoprene pad (bonded to Detail 9) (Fig. 2)Dimensionsin. mmA 0.50 13B 3.75 95C 0.62 16D 5.50 140E 0.50 13F 6.75 170G 6.25 160H 2.62 66FIG. 1 UV Testing Appa
20、ratusD3658 01 (2016)2employ methods conducive to actual practice. Reported data should bequalified as to the method of surface preparation.7.5 Apply adhesive to the hexagonal button in sufficientquantity to cause wetting of the entire surface when clampingpressure is applied by means of two 10-lb (0
21、.9-kg) springclamps.8. Procedure8.1 The level of the radiation and time of exposure shouldbe within the tolerances specified for the cure.8.2 Measure the intensity of the radiation with a suitablemeter sensitive to the radiation used. Place the meter in aposition related to the bond line.8.3 If the
22、material is subject to post curing, it must remainat specified conditions of temperature, humidity, etc, prior totesting.8.4 Fully cured specimens may be subjected to environmen-tal exposure such as weathering, humidity, temperature, orcombinations thereof, prior to testing.8.5 Test the bonded speci
23、men as follows:8.5.1 Place the specimen in the holding fixture, ensuringthat no lateral movement is evident.8.5.2 Mechanically apply a torque on the hex nut assemblyor by means of a constant drive loader at a rate of 0.5 rpm(suggested) until failure occurs.Details1Glass plate2Hexagonal metal blockDi
24、mensions Dimensionsin. mm in.2mm2A 3.00 76 Bond0.866 559B 1.50 38 Area FC 0.47 12D 1.00 25E 0.50 13FIG. 2 UV Specimen ConfigurationD3658 01 (2016)38.5.3 Record the load at failure and the nature and amountof the failure (cohesive in adhesive or glass or adhesive atmetal/adhesive or glass/adhesive in
25、terface). Express all failureloads in lbfin. (or Nm).9. Report9.1 Report the following information:9.1.1 Complete identification of the adhesive tested, includ-ing type, source, manufacturers code numbers, form, etc.9.1.2 Complete identification of the metal used, itsthickness, and the method of cle
26、aning and preparing itssurfaces prior to bonding.9.1.3 Complete identification of the glass used, as in 9.1.2.9.1.4 Application and bonding conditions used in preparingspecimens, including the type intensity (watts per steradian),and exposure time of the radiation used.9.1.5 Conditioning procedure p
27、rior to testing.9.1.6 Number of specimens tested.9.1.7 Maximum, minimum, and average values for load atfailure.9.1.8 Standard deviation and coefficient of variation for thespecimens tested.9.1.9 Average thickness of the adhesive layer after cure ofthe joint. Subsequent measurements should be obtaine
28、d if thespecimens are exposed to environmental conditioning.9.1.10 The nature of the failure, including the averageestimated percentages of failure; that is, adhesives-cohesive,glass-cohesive, interface failure (glass/adhesive or metal/adhesive).10. Precision and Bias10.1 Precision and bias for this
29、 test method are beingdetermined and will be available by April 2005.11. Keywords11.1 adhesive; glass; light-cured; metal; torque; ultravioletASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of thi
30、s standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five yea
31、rs andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical commit
32、tee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 1942
33、8-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ specimen2Clamp3Neoprene cushion4Clamp support (glass or metal)5Bond surface (Ref.)FIG. 3 Adhesive Joint PreparationD3658 01 (2016)4
