1、_SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising theref
2、rom, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.Copyright 2013 SAE InternationalAll rights reserved. No part of this publication may b
3、e reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE.TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada)Tel: +1 724-776-4970 (outside USA)Fax
4、: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/AMS2585AAEROSPACEMATERIALSPECIFICATIONAMS2585 REV. AIssued 2010-05Revised 2013-07Superseding AMS2585Shot
5、Peening Media, Ultrasonically ActivatedRATIONALEThis revision includes ceramic media and additional media sizes to address user requirements.1. SCOPEThe complete requirements for procuring the product shall consist of this document and the latest Issue of the basic specification, AMS2431.1.1 Applica
6、tionPeening balls conforming to this specification are typically intended for use in ultrasonically activated shot peening of metal surfaces to impart compressive stresses to these surfaces thereby increasing resistance to fatigue and stress-corrosion cracking. These balls can also be used in the pe
7、en forming process.2. APPLICABLE DOCUMENTSThe issue of the following documents in effect on the date of the purchase order forms a part of this specification to the extent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. Wh
8、en the referenced document has been cancelled and no superseding document has been specified, the last published issue of that document shall apply.2.1 SAE PublicationsAvailable from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 72
9、4-776-4970 (outside USA), www.sae.org.AMS2431 Peening Media, General Requirements2.2 ASTM PublicationsAvailable from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959,Tel: 610-832-9585, www.astm.org.ASTM A 751 Standard Test Methods, Practices, and Terminology
10、 for Chemical Analysis of Steel ProductsASTM E 384 Standard Test Method for Knoop and Vickers Hardness of Materials ASTM E140 Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Knoop Hardness, and Scleroscope HardnessSAE AMS2585A
11、Page 2 of 62.3 ANSI PublicationsAvailable from American National Standards Institute (ANSI), 25 West 43rd Street, New York, NY 10036-8002, Tel: 212-642-4900, www.ansi.org.ANSI/ABMA/ISO 3290 Rolling bearings - Balls - Dimensions and Tolerances 2.4 DIN PublicationsAvailable from DIN Deutsches Institut
12、 fr Normung e. V., Burggrafenstrae, 6, 10787, Berlin, Germany or www.DIN.de.DIN 5401 Rolling bearings - Balls for rolling bearings and general industrial use 2.5 BNAE PublicationsAvailable from BNAE, Technopolis 54, 199, rue Jean Jacques ROUSSEAU, 92138 Issy les Moulineaux cedex, France or www.BNAE.
13、asso.fr.BNAE NFL 06-834 Metallic parts Inducement Compressive Surface Stresses Tungsten Carbide Spherical Beads2.6 ISO PublicationsAvailable from International Organization for Standarization, 1, rue de Varembe, Case postale 56, CH-1211 Geneva 20, Switzerland, Tel: +41-22-749-01-11, www.iso.org.ISO
14、3290 Rolling Bearings - Balls - Dimensions and Tolerances3. TECHNICAL REQUIREMENTS3.1 Peening balls shall conform to AMS2431 and the requirements specified herein.3.2 Composition and properties3.2.1 Chemical composition of peening balls shall conform to Table 1 or an alternative composition approved
15、 by the cognizant engineering organization.TABLE 1 COMMON PEENING BALL MATERIALSMaterial Alloy AFNOR / ISO / DIN equivalent HardnessSteel 52100 100C6 60-67 HRCM50 60-66 HRC1010/1015 XC10/XC15 60-66 HRC1055/1065/1085 60-66 HRCStainless Steel440C Z100CD17 58-65 HRC304 Z7CN18-09 25-39 HRC304L Z2CN18-10
16、 25-39 HRC316 Z6CND17-12 25-39 HRC316L Z2CND17-12 25-39 HRCTungsten Carbide n/a BNAE NFL 06-834 1400-1800 HVCeramic High Density ZrO2 +HfO2 + Y2O31100-1300 HVSAE AMS2585A Page 3 of 63.2.2 The percentage variation by weight ranges of the main constituents of ceramic ball shall conform to requirements
17、 in Table 2:TABLE 2 CERAMIC BALLS COMPOSITIONConstituent min maxZirconium Oxide +Hafnium Oxide90 95Yttrium Oxide 3 7Others 3Note: Approved alternative shall conform to an AISI, SAE, ASTM, DIN, or ISO standard.3.2.3 The surface finish, the shape and tolerances for steel, stainless steel and tungsten
18、carbide media shall conform to grade of ANSI/ABMA/ISO 3290 or ISO 3290 or DIN 5401 defined in Table 3.TABLE 3 REQUIRED GRADES OF PEENING BALLSStandard GradeAISI/ABMA/ISO 3290 up to 200ISO 3290 up to 200DIN 5401 up to class III3.2.4 Ceramic media shall be predominantly spherical in shape. 90% of medi
19、a shall have sphericity higher than 0.8. Balls with sharp angle, twins, tear drop or with satellite are classified as defective media.3.2.5 Hardness of peening balls shall conform to Table 1, unless otherwise agreed upon by user and manufacturer.3.2.6 Density of ceramic media shall be not less than
20、5.90 g/cc.3.2.7 Contamination3.2.7.1 Balls shall be clean and free of dust, grit, oil and grease.3.2.7.2 Surface Discolorations shall be determined microscopically using magnification per 4.1.5. Not more than 5% of ceramic media shall show foreign discolorations. A particle shall be considered objec
21、tionable for foreign discoloration when more than 25% of its surface area is discolored.3.3 SizeFor metal alloy or carbide media, peening balls shall conform to the size requirements in Table 4. Ceramic media shall conform to the size requirements of Table 5.SAE AMS2585A Page 4 of 6TABLE 4 - USABLE
22、SIZES. MOST COMMONLY USED ARE SHOWN IN GREY.Nominal diameter(mm)Nominal diameter(inch)Nominal diameter(mm)Nominal diameter(inch)Nominal diameter(mm)Nominal diameter(inch)0.3 0.01181 1.98438 5/64 4.5 0.177170.39688 1/64 2.1 0.08268 5.15938 13/640.4 0.01575 2.2 0.08661 5.5 0.216540.5 0.01969 2.3 0.090
23、55 5.55625 7/320.508 0.02 2.38125 3/32 5.95312 15/640.6 0.02362 2.4 0.09448 6 0.236220.635 0.025 2.5 0.09843 6.35 1/40.68 0.02677 2.6 0.10236 6.5 0.255910.7 0.02756 2.7 0.10629 6.74688 17/640.79375 1/32 2.77812 7/64 7 0.275590.8 0.03150 2.8 0.11023 7.14375 9/320.9 0.03543 2.9 0.11417 7.5 0.295281 0.
24、03937 3 0.11811 7.54062 19/641.1 0.04330 3.1 0.12204 7.9375 5/161.19062 3/64 3.175 1/8 8 0.314961.2 0.04724 3.2 0.12598 8.33438 21/641.3 0.05118 3.3 0.12992 8.5 0.334651.4 0.05511 3.4 0.13385 8.73125 11/321.5 0.05906 3.5 0.13780 9 0.354331.5875 1/16 3.57188 9/64 9.12812 23/641.6 0.06299 3.96875 5/32
25、 9.5 0.374021.7 0.06692 4 0.15748 9.525 3/81.8 0.07086 4.36562 11/64 9.92188 25/641.9 0.07480TABLE 5 - CERAMIC MEDIA FOR SHOT PEENING SIZES AND SPHERICITYDesignationNominalSizes,MillimetersNominalSizes,InchSieveSize,MillimetersMaximum0.5%RetainedSieveSize,MillimetersMaximum5%RetainedSieveSize,Millim
26、etersMaximum5%PassingSieveSize,MillimetersMaximum0.5%PassingCB 1.1 1.0/1.2 0.039/0.047 1.40 1.18 1.00 0.9CB 1.5 1.4/1.6 0.055/0.062 1.70 1.60 1.40 1.18CB 1.9 1.8/2.0 0.070/0.078 2.24 2.00 1.80 1.70CB 2.2 2.0/2.5 0.078/0.098 2.80 2.50 2.00 1.80CB 3.0 2.6/3.3 0.102/0.129 3.55 3.35 2.80 2.364. QUALITY
27、ASSURANCE PROVISIONSIn accordance with AMS2431 and the following:4.1 SamplingOne sample of not less than 100 balls shall be randomly selected from the batch and shall be suitably split to perform controls. The batches shall be packed in containers not exceeding 50 pounds (22 kg) and issued of the sa
28、me production.SAE AMS2585A Page 5 of 64.1.1 CompositionComposition of steel balls shall be determined in accordance with ASTM A 751.Composition of tungsten carbide spherical beads shall be determined in accordance with BNAE NFL 06-834.Composition of Ceramic media shall be determined using x-ray fluo
29、rescence or by other method acceptable to purchaser.As a minimum, there shall be one analysis for composition per batch issued from the same material lot.4.1.2 HardnessHardness shall be determined in accordance with ASTM E 18 or ASTM E 384. Conversion to Rockwell C values shall be in accordance with
30、 ASTM E 140.4.1.2.1 Twenty microindentation hardness readings shall be made from the sample with no more than one impression per ball.4.1.2.2 Samples for hardness testing shall be prepared as for microindentation hardness testing by encapsulating a single layer of balls in a plastic mount and polish
31、ing down to nominally half-spheres. Microindentation hardness shall meet requirements in Table 1.4.1.3 Density for ceramic mediaSixty grams of media, carefully weighed to the nearest 0.1 gram, and previously dried, shall be placed in a 100 mL graduated cylinder containing approximately 50 mL of reag
32、ent water. The resultant volume minus initial volume represents the volume of the media.Density = 60 g / media volume4.1.4 Size4.1.4.1 For steel, stainless steel and tungsten carbide media, at least 20 balls shall be measured with standard calibrated micrometer for conformance to size requirements i
33、n Table 4.4.1.4.2 For ceramic media, classification by sieve analysis in accordance with ISO3310-1 shall be used to determine conformance to size requirements in Table 5.4.1.5 Shape shall be determined visually from randomly selected sample of approximately 100 balls at magnification not less than 1
34、6X.5. PREPARATION FOR DELIVERYIn accordance with AMS2431.6. ACKNOWLEDGMENTIn accordance with AMS2431.7. REJECTIONSIn accordance with AMS2431.8. NOTESIn accordance with AMS2431.SAE AMS2585A Page 6 of 68.1 A change bar (|) located in the left margin is for the convenience of the user in locating areas
35、 where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in do
36、cuments that contain editorial changes only.8.2 Terms used in AMS are clarified in ARP1917.8.3 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary: dimensions and properties in SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information.PREPARED BY AMS COMMITTEE “B” AND AMEC
