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Projekta Nr. ISO 527-4:2023 Nosaukums <p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">This document specifies the test conditions for the determination of the tensile properties of isotropic and orthotropic fibre-reinforced plastic composites, based upon the general principles given in </span><span class="stdpublisher"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">ISO</span></span></span><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;"> <span class="stddocNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">527</span></span></span>-<span class="stddocPartNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">1</span></span></span>.</span></p>
<p class="Note" style="tab-stops: 19.85pt 39.7pt 48.25pt 59.55pt 79.4pt 99.25pt 119.05pt 138.9pt 158.75pt 178.6pt 7.0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">NOTE 1<span style="mso-tab-count: 1;"> </span>Unidirectional reinforced materials are covered by </span><span class="stdpublisher"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">ISO</span></span></span><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;"> <span class="stddocNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">527</span></span></span>-<span class="stddocPartNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">5</span></span></span>.</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">The methods are used to investigate the tensile behaviour of the test specimens and for determining the tensile strength, tensile modulus, Poisson's ratios and other aspects of the tensile stress-strain relationship under the defined conditions.</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">The test method is suitable for use with the following materials:</span></p>
<p class="ListContinue1" style="tab-stops: 19.85pt 39.7pt 59.55pt 79.4pt 99.25pt 119.05pt 138.9pt 158.75pt 178.6pt 7.0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">—<span style="mso-tab-count: 1;"> </span>fibre-reinforced thermosetting and thermoplastic composites incorporating non-unidirectional reinforcements such as mats, woven fabrics, woven rovings, chopped strands, combinations of such reinforcements, hybrids, rovings, short or milled fibres or preimpregnated materials (prepregs);</span></p>
<p class="Noteindent" style="tab-stops: 19.85pt 39.7pt 48.25pt 59.55pt 68.4pt 79.4pt 99.25pt 119.05pt 138.9pt 158.75pt 178.6pt 7.0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">NOTE 2<span style="mso-tab-count: 1;"> </span>Injection moulded specimens are covered by </span><span class="stdpublisher"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">ISO</span></span></span><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;"> <span class="stddocNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">527</span></span></span>-<span class="stddocPartNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">2</span></span></span>.</span></p>
<p class="ListContinue1" style="tab-stops: 19.85pt 39.7pt 59.55pt 79.4pt 99.25pt 119.05pt 138.9pt 158.75pt 178.6pt 7.0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">—<span style="mso-tab-count: 1;"> </span>combinations of the above with unidirectional reinforcements and multidirectional reinforced materials constructed from unidirectional layers, provided such laminates are symmetrical;</span></p>
<p class="Noteindent" style="tab-stops: 19.85pt 39.7pt 48.25pt 59.55pt 68.4pt 79.4pt 99.25pt 119.05pt 138.9pt 158.75pt 178.6pt 7.0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">NOTE 3<span style="mso-tab-count: 1;"> </span>Materials with completely or mainly unidirectional reinforcements are covered by </span><span class="stdpublisher"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">ISO</span></span></span><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;"> <span class="stddocNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">527</span></span></span>-<span class="stddocPartNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">5</span></span></span>.</span></p>
<p class="ListContinue1" style="tab-stops: 19.85pt 39.7pt 59.55pt 79.4pt 99.25pt 119.05pt 138.9pt 158.75pt 178.6pt 7.0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">—<span style="mso-tab-count: 1;"> </span>finished products made from materials mentioned above.</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">The reinforcement fibres covered include glass fibres, carbon fibres, aramid fibres and other similar fibres.</span></p> Reģistrācijas numurs (WIID) 85809 Darbības sfēra <p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">This document specifies the test conditions for the determination of the tensile properties of isotropic and orthotropic fibre-reinforced plastic composites, based upon the general principles given in </span><span class="stdpublisher"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">ISO</span></span></span><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;"> <span class="stddocNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">527</span></span></span>-<span class="stddocPartNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">1</span></span></span>.</span></p>
<p class="Note" style="tab-stops: 19.85pt 39.7pt 48.25pt 59.55pt 79.4pt 99.25pt 119.05pt 138.9pt 158.75pt 178.6pt 7.0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">NOTE 1<span style="mso-tab-count: 1;"> </span>Unidirectional reinforced materials are covered by </span><span class="stdpublisher"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">ISO</span></span></span><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;"> <span class="stddocNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">527</span></span></span>-<span class="stddocPartNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">5</span></span></span>.</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">The methods are used to investigate the tensile behaviour of the test specimens and for determining the tensile strength, tensile modulus, Poisson's ratios and other aspects of the tensile stress-strain relationship under the defined conditions.</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">The test method is suitable for use with the following materials:</span></p>
<p class="ListContinue1" style="tab-stops: 19.85pt 39.7pt 59.55pt 79.4pt 99.25pt 119.05pt 138.9pt 158.75pt 178.6pt 7.0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">—<span style="mso-tab-count: 1;"> </span>fibre-reinforced thermosetting and thermoplastic composites incorporating non-unidirectional reinforcements such as mats, woven fabrics, woven rovings, chopped strands, combinations of such reinforcements, hybrids, rovings, short or milled fibres or preimpregnated materials (prepregs);</span></p>
<p class="Noteindent" style="tab-stops: 19.85pt 39.7pt 48.25pt 59.55pt 68.4pt 79.4pt 99.25pt 119.05pt 138.9pt 158.75pt 178.6pt 7.0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">NOTE 2<span style="mso-tab-count: 1;"> </span>Injection moulded specimens are covered by </span><span class="stdpublisher"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">ISO</span></span></span><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;"> <span class="stddocNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">527</span></span></span>-<span class="stddocPartNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">2</span></span></span>.</span></p>
<p class="ListContinue1" style="tab-stops: 19.85pt 39.7pt 59.55pt 79.4pt 99.25pt 119.05pt 138.9pt 158.75pt 178.6pt 7.0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">—<span style="mso-tab-count: 1;"> </span>combinations of the above with unidirectional reinforcements and multidirectional reinforced materials constructed from unidirectional layers, provided such laminates are symmetrical;</span></p>
<p class="Noteindent" style="tab-stops: 19.85pt 39.7pt 48.25pt 59.55pt 68.4pt 79.4pt 99.25pt 119.05pt 138.9pt 158.75pt 178.6pt 7.0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">NOTE 3<span style="mso-tab-count: 1;"> </span>Materials with completely or mainly unidirectional reinforcements are covered by </span><span class="stdpublisher"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">ISO</span></span></span><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;"> <span class="stddocNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">527</span></span></span>-<span class="stddocPartNumber"><span style="color: black; mso-color-alt: windowtext; border: none;"><span style="border: none;">5</span></span></span>.</span></p>
<p class="ListContinue1" style="tab-stops: 19.85pt 39.7pt 59.55pt 79.4pt 99.25pt 119.05pt 138.9pt 158.75pt 178.6pt 7.0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">—<span style="mso-tab-count: 1;"> </span>finished products made from materials mentioned above.</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho'; mso-fareast-theme-font: minor-fareast;">The reinforcement fibres covered include glass fibres, carbon fibres, aramid fibres and other similar fibres.</span></p> Statuss Standarts spēkā ICS grupa 83.120
