1、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 ES
2、T 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,e
3、ditors.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 s
4、pecial 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 distribut
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8、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 d
9、edication 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
10、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 Subcom
11、mittee 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
12、 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-No
13、tch 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.B
14、URGER 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
15、 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 Ene
16、rgy-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