_STP_1248-1995.pdf

STP 1248 Pendulum Impact Machines:Procedures and Specimens for Verification Thomas A.Siewert and A.Karl Schmieder,Editors ASTM Publication Code Number(PCN):04-012480-23 AsTM 1916 Race Street Philadelphia,PA 19103 Printed in the U.S.A.Copyright by ASTM Intl(all rights reserved);Wed Dec 23 19:24:10 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Library of Congress Cataloging-in-Publication Data Pendulum impact machines:procedures and specimens for verification/Thomas A.Siewert and A.Karl Schmieder,editors.p.cm.-(STP;1248)ASTM publication code number(PCN):04-012480-23 Includes bibliographical references and index.ISBN 0-8031-2018-4 i.Impact-Testing-Equipment and supplies.2.Pendulum.3.Notched bar testing-Equipment and supplies.I.Siewert,T.A.II.Schmieder,A.Karl(Albert Karl),1919-III.Series:ASTM special technical publication;248.TA418.34.P46 1995 620.i123-dc20 95-13999 CIP Copyright?9 1995 AMERICAN SOCIETY FOR TESTING AND MATERIALS,Philadelphia,PA.All rights reserved.This material may not be reproduced or copied,in whole or in part,in any printed,mechanical,electronic,film,or other distribution and storage media,without the written consent of the publisher.Photocopy Rights Authorization to photocopy items for internal or personal use,or the internal or personal use of specific clients,is granted by the AMERICAN SOCIETY FOR TESTING AND MATERIALS for users registered with the Copyright Clearance Center(CCC)Transactional Reporting Service,provided that the base fee of$2.50 per copy,plus$0.50 per page is paid directly to CCC,222 Rosewood Dr.,Danvers,MA 01923;Phone:(508)750-8400;Fax:(508)750-4744,For those organizations that have been granted a photocopy license by CCC,a separate system of payment has been arranged.The fee code for users of the Transactional Reporting Service is 0-8031-2018-4/95$2.50+.50 Peer Review Policy Each paper published in this volume was evaluated by three peer reviewers.The authors addressed all of the reviewers comments to the satisfaction of both the technical editor(s)and the ASTM Committee on Publications.The quality of the papers in this publication reflects not only the obvious efforts of the authors and the technical editor(s),but also the work of these peer reviewers.The ASTM Committee on Publications acknowledges with appreciation their dedication and contribution to time and effort on behalf of ASTM.Printed in Fredericksburg,VA May 1995 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 19:24:10 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword This publication,Pendulum Impact Machines:Procedures and Specimens for Verification,contains papers presented at the symposium of the same name held in Montreal,Quebec,Canada,on 18-19 May 1994.The symposium was sponsored by ASTM Committee E-28 on Mechanical Testing and its Subcommittee E28.07 on Impact Testing.The symposium was chaired by Tom Siewert,National Institute of Standards and Technology,and Karl Schmieder,consultant on mechanical testing.Copyright by ASTM Intl(all rights reserved);Wed Dec 23 19:24:10 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Overview vii THE SPECIMEN The Role of Strike Marks on the Reproducibility of Charpy Impact Test Results-A.KARL SCHMIEDER,PATRICK T.PURTSCFIER,AND DANIEL P.VIGLIOTII Effect of Squareness Tolerance on Charpy V-Notch Impact Energy-FRANCIS J.MARSH The Production of Calibration Specimens for Impact Testing of Subsize Charpy Specimens-DAVID J.ALEXANDER,WILLIAM R.CORWIN,AND THOMAS D.OWINGS Miniaturized Notch Test Specimen and Test Machine Design-MICHAEL P.MANAHAN,SR.,RANDALL B.STONESIFER,YANG SOONG,AND JAMES M.BURGER The Optimization of Insert Size for Reconstituting Previously Tested Charpy Specimens-JAMES F.WILLIAMS,REGIS P.SHOGAN,AND LEO ALBERTIN 003 019 032 039 070 THE ANVILS AND THE STRIKER Effect of Surface Finish of Charpy Anvils and Striking Bits on Absorbed Energy-EARL A.RUTH,DANIEL P.VIGLIO2I,AND THOMAS A.S1EWERT Striker Geometry and Its Effect on Absorbed Energy-EARL A.RUTH Charpy Impact Test Results on Five Materials and NIST Verification Specimens Using Instrumented 2-mm and 8-mm Strikers-RANDY K.NANSTAD AND MIKHAIL A.SOKOLOV The Effect of Charpy V-Notch Striker Radii on the Absorbed Energy-THOMAS A.SIEWERT AND DANIEL P,VIGLIOIWI Effects of the Striking Edge Radius and Asymmetrical Strikes on Charpy Impact Test Results-MEGUMU TANAKA,YOSHINOBU OHNO,HIDEKAZU HORIGOME,HIROSHI TANI,KENICHIRO SHIOTA,AND AKINORI MISAWA 091 101 111 140 153 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 19:24:10 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.ESTABLISHING REFERENCE ENERGIES Producti