<?xml version="1.0" encoding="UTF-8"?><toc><section id="sec_foreword"><title>Foreword</title></section><section id="sec_intro"><title>Introduction</title></section><section id="body"><title>Hauptteil</title><section id="sec_1"><label>1</label><title>Scope</title></section><section id="sec_2"><label>2</label><title>Normative references</title></section><section id="sec_3"><label>3</label><title>Terms and definitions</title></section><section id="sec_4"><label>4</label><title>Test specimens</title><section id="sec_4.1"><label>4.1</label><title>Shape and size</title></section><section id="sec_4.2"><label>4.2</label><title>Procedure for test specimen preparation</title></section></section><section id="sec_5"><label>5</label><title>Test procedure</title><section id="sec_5.1"><label>5.1</label><title>Test machine</title></section><section id="sec_5.2"><label>5.2</label><title>Loading rigs</title></section><section id="sec_5.3"><label>5.3</label><title>Displacement measurement</title></section><section id="sec_5.4"><label>5.4</label><title>Measurements of test specimen dimensions</title></section><section id="sec_5.5"><label>5.5</label><title>Conditioning</title></section><section id="sec_5.6"><label>5.6</label><title>Test procedure</title></section></section><section id="sec_6"><label>6</label><title>Evaluation of the fracture energy</title></section><section id="sec_7"><label>7</label><title>Failure pattern and test validation</title></section><section id="sec_8"><label>8</label><title>Precision</title></section><section id="sec_9"><label>9</label><title>Test report</title></section></section><section id="sec_bibl"><title>Bibliography</title></section></toc>