1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefro
2、m, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.QUESTIONS REGARDING THIS DOCUMENT: (724) 772-8512 FAX: (724) 776-0243TO PLACE A DOCUMENT
3、 ORDER; (724) 776-4970 FAX: (724) 776-0790SAE WEB ADDRESS http:/www.sae.orgCopyright 1987 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.S.A.SURFACEVEHICLE400 Commonwealth Drive, Warrendale, PA 15096-0001RECOMMENDEDPRACTICESubmitted for recognition as an American National Sta
4、ndardJ1851ISSUEDMAY87Issued 1987-05INDUCTION CURE TEST FOR METAL BONDING ADHESIVESForewordThis Document has not changed other than to put it into the new SAE Technical Standards BoardFormat.1. ScopeThis SAE Recommended Practice defines a procedure for determining the adhesion strengthcharacteristics
5、 of heat-cured metal bonding adhesives subjected to induction heating.2. References2.1 Applicable PublicationThe following publication forms a part of the specification to the extent specifiedherein. Unless otherwise indicated the lastest revision of SAE publications shall apply.2.1.1 ASTM PUBLICATI
6、ONAvailable from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.ASTM D 1102Test Method for Ash in Wood3. Apparatus RequiredInduction equipment schematic diagram - See Figure 1.3.1 Power SupplyA 20 kW, 10 kHz, frequency generator.3.2 Heat StationRobotron 20 kW - 10 kHz heat station to
7、match impedance load to coil to power supply.3.3 InductorFabricated as shown in Figure 2.3.4 Clamping FixtureFabricated as shown in Figure 3.3.5 Temperature PyrometerTemperature measurement instrument with capability of 23 300 C temperaturerange and 3 C accuracy.3.6 Test CouponsTest coupons shall be
8、 25 x 100 x 0.8 mm CRLC steel body stock or otherwise specified bythe applicable Engineering Material Specification.3.7 Tensile Test MachineInstron or equivalent with an accuracy of 0.5% of the range used.Test apparatus as described in ASTM D 1102.SAE J1851 Issued MAY87-2-FIGURE 1EQUIPMENT SCHEMATIC
9、SAE J1851 Issued MAY87-3-FIGURE 2INDUCTORSAE J1851 Issued MAY87-4-FIGURE 3CLAMPING FIXTURESAE J1851 Issued MAY87-5-4. Procedure4.1 Condition test materials for 24 h at 23 2 C and 50 5% relative humidity before preparing assemblies.4.2 Prepare overlap shear test assemblies as shown in Figure 4. Use C
10、RLC steel substrates unless otherwisespecified in the applicable Engineering Material Specification.FIGURE 4TEST COUPON ASSEMBLY4.3 Remove excess adhesive squeeze-out after coupon assembly prior to positioning in induction clamping fixture.4.4 Mount test assembly in clamping fixture, then induction
11、heat at a schedule of 190 10 C metal surfacetemperature for 4 s or as specified. Power and temperature curves representing this schedule are shown inFigure 5.4.5 Condition bonded test assemblies to 23 2 C, then conduct shear pull test at a rate of 13 mm per minute.4.6 Report peak load and type of se
12、paration (for example, “adhesive“: adhesive to substrate separation;“cohesive“: separation within the adhesives).SAE J1851 Issued MAY87-6-FIGURE 5POWER AND TEMPERATURE CURVESPREPARED BY THE SAE ADHESIVES AND BODY SEALERS COMMITTEESAE J1851 Issued MAY87RationaleNot applicable.Relationship of SAE Stan
13、dard to ISO StandardNot applicable.ApplicationThis SAE Recommended Practice defines a procedure for determining the adhesion strengthcharacteristics of heat-cured metal bonding adhesives subjected to induction heating.Reference SectionASTM D 1102Test Method for Ash in WoodDeveloped by the SAE Adhesives and Body Sealers Committee
