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    DIN 53463-1974 Testing of Laminates Splitting Test on Laminated Sheets《层压材料的检验 层压板剥离试验》.pdf

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    DIN 53463-1974 Testing of Laminates Splitting Test on Laminated Sheets《层压材料的检验 层压板剥离试验》.pdf

    1、3 a O O * c .- m 6 E .c C Spaltversuch an Schichtprestoff-Tafeln Mnensions in mm 1. Purnose and apvlication The splitting teat according to tbi? Standard ia used for determining the resistance, expressed as a force, which a lamlnated sheet loffers to the separation of the layers one from another und

    2、er the action of a splitting wedge. 2. Definition The splitting force is the maximum orce which a specimen withstands in the splitting teat performed with a eplitting wedge. 3. Test evecimenQ From the laminated sheet to be tested, specimens according to Mgure I are prepared. The test specimen muet h

    3、ave plane-parallel bearing sur- faces at right angles to the direction of the layers. Sheets under IO mm thiclmeee are not tested. Sheets over IO um thickness are reduced equally on both sidea until the thickness is IO mm. 9:l:,ofeEoni4Loo_aoo- 912:,-oE,or,4oi4,onoclooo Figure I. Test specimen Unles

    4、s agreed to the contrary or specified other- wise in the relevant standard dealing with the product, 5 test specimens shall be tested. 4. Pretreatment of the teet evecimencr Prior to testing, the test specimens muet be conditioned for at least 16 hours - or until a proximate constancy of weight in a

    5、rbitration cases - in standard atmosphere 23/50 DIB 50014 fZ3 f2)OC and (50 25) 96 relative humidity. 3. Amaratus Any machine for performing bending or compression tests may be wed, provided that it0 load measuring range can be selected in auch a way that the mean splitting force doea not fall wlth-

    6、 in the first fifth of the meaeuring range, 1Phe test arrangement consiste of a flat plate to aupport the specimen and a splitting wedge made of hardened steel according to Figure 2. 6. Procedure The splitting test is carried out in the stand- lo 15 !- ard atmos here according to Section 4. The test

    7、 epecimen is placed with it8 15 mm x 10 mm face on the plate. The splitting wedge ia brought to bear full-width on the test specimen, care being taken to enaure that it is oeitioned as accu- rately as possible in the middle of the test epecimen and parallel with the Payers (see Figure 2: The Splitt

    8、ng edge of the wedge is then driven at a uniform feed rate into the specimen and the force measured to the nearest 20 R”)until aglitting manifests itself by a drop in the load. me rate of increase of the load shall be 2500 force measured. 2:l:,Toe41oB-%!ch&e pli t t ing e6t specimen 2rE:-?EeLsrraoge

    9、ioeo4 , Figure 2. Test arrangement per Punute. !Che eplitting force is the maximum 7. Test -Dort Ili0 test report ahould refer to this Standard and give the following particulars: me and identification of the product teated Conditions and date of preparation of the test specimens Splitting force in

    10、B rounded to 20 H Individual values Nean value Where necessary the arithmetic mean of all variations, calculated in absolute terns, of the individual values from the mean value in % of the mean value Appearance of the test epecimena after the test Date of teat. 1) Definitions of laminate and sheet DIN 7735 Part 2 2) 1 N (Nowton) = 0.101971621kp 0.1 kp fff Cb : cs* Alleinverkauf der Normbltter durch Beuth Verlag GmbH, Berlin 30 und Kln 1 DIB 53463 engl. Preiegr.


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