Foreword<br>1 Scope<br>2 Normative references<br>3 Concept, quantities and symbols<br>4 Principle<br>5 Apparatus<br>6 Test piece<br>7 Procedure<br>8 Uncertainty of measurement<br>9 Test report<br>Annex A (normative) Influence of surface roughness on the <br> uncertainty of measurement<br>Annex B (informative) Additional properties determined on <br> the basis of the force-indentation depth curve<br>Annex C (informative) Bibliography