ISO INTERNATIONAL 4022 STANDARD Third edition 2018-09 Permeable sintered metal materials - Determination of fluid permeability Matériaux métalliques frittes perméables - Détermination de la permeabiliteauxfluides Referencenumber IS0 4022:2018(E) so @IS02018 IS0 4022:2018(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2018 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2018 - All rights reserved IS0 4022:2018(E) Contents Page Foreword ..iv 1 Scope 2 Normative references 3 Terms, definitions, symbols and units 3.1 Terms and definitions 1 3.2 Symbols andunits 3 4 Principle 5 Test piece .3 6 Apparatus .3 6.1 Equipment. .3 6.2 Test fluids. 7 7 Procedure 1 7.1 Measurement of thickness and area of the test piece .7 7.1.1 Flat test pieces 7.1.2 Hollow cylindrical test pieces. .8 7.2 Measurement of pressure drop .8 7.3 Measurement of flow rate .8 7.4 Measurement of pressures and temperatures. ..8 8 Expression of results .9 8.1 Mean flow rate. .9 8.2 Mean density and viscosity .9 8.3 Calculation of results .9 8.4 Final result. .10 9 Test report ..10 Annex A (informative) The flow of fluid through porous materials ..11 Annex B (informative) Test fluids .13 @ IS0 2018 - All rights reserved iii