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<p>The various parts of ISO 1268 (see the foreword) describe methods used to prepare reinforced-plastics plates from</p>
<p>which test specimens can be cut. This allows the properties of a composite, or the constituents of the composite, to</p>
<p>be determined. The methods are intended to cover all the main types of reinforcement and resin matrix.</p>
<p>The choice of test plate preparation method depends on:</p>
<p>a) the reinforcement:</p>
<p> its nature (glass, carbon, aramid, etc.);</p>
<p> its form (roving, mat, woven fabric, etc.);</p>
<p> its orientation with respect to the length, width and thickness of the plate;</p>
<p> its content in the reinforced plastic;</p>
<p>b) the matrix (thermosetting or thermoplastic);</p>
<p>c) the magnitude expected for the properties;</p>
<p>d) the production process that is to be evaluated.</p>
<p>Since the mechanical properties of a reinforced plastic are known to be dependent on the process by which the</p>
<p>plastic is produced, it is recommended that the test plates be prepared, if possible, by the same method that will be</p>
<p>used to produce the plastic.</p>
<p>This part of ISO 1268 describes the general requirements common to all the methods.</p>
Reģistrācijas numurs (WIID)
25213
Darbības sfēra
<p>The various parts of ISO 1268 (see the foreword) describe methods used to prepare reinforced-plastics plates from</p>
<p>which test specimens can be cut. This allows the properties of a composite, or the constituents of the composite, to</p>
<p>be determined. The methods are intended to cover all the main types of reinforcement and resin matrix.</p>
<p>The choice of test plate preparation method depends on:</p>
<p>a) the reinforcement:</p>
<p> its nature (glass, carbon, aramid, etc.);</p>
<p> its form (roving, mat, woven fabric, etc.);</p>
<p> its orientation with respect to the length, width and thickness of the plate;</p>
<p> its content in the reinforced plastic;</p>
<p>b) the matrix (thermosetting or thermoplastic);</p>
<p>c) the magnitude expected for the properties;</p>
<p>d) the production process that is to be evaluated.</p>
<p>Since the mechanical properties of a reinforced plastic are known to be dependent on the process by which the</p>
<p>plastic is produced, it is recommended that the test plates be prepared, if possible, by the same method that will be</p>
<p>used to produce the plastic.</p>
<p>This part of ISO 1268 describes the general requirements common to all the methods.</p>
