ISO INTERNATIONAL STANDARD 3927 Fifth edition 2017-09 Metallicpowders,excludingpowders for hardmetals Determination of compressibility in uniaxial compression Poudres metalliques, a I'exclusion des poudres pourmetaux-durs- Determinationdelacompressibilitesouscompressionuniaxiale Referencenumber IS03927:2017(E) @IS02017 IS03927:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS02017,Published in Switzerland All rights reserved. Unless otherwise specified, 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 the requester. ISOcopyrightoffice Ch.deBlandonnet8·CP 401 CH-1214Vernier,Geneva,Switzerland Tel.+41227490111 Fax+412274909 47 [email protected] www.iso.org ii IS02017-Allrightsreserved IS03927:2017(E) Contents Page Foreword iv 1 Scope 1 2 Normativereferences 1 3 Terms and definitions 1 4 Symbols 5 Principle. .1 6 Apparatus. 2 7 Sampling. .5 8 Procedure. 5 8.1 Cleaning of the die and punches 5 8.2 Powdertesting conditions 5 8.3 Lubrication 6 8.3.1 General. .6 8.3.2 Die wall lubrication 6 8.3.3 Lubricationofpowder 6 8.4 Compactingandejection 6 8.5 Compacting pressures 6 9 Expressionof results 8 10 Precision 8 11 Testreport .8 Bibliography 9 @IS0 2017- All rights reserved ili