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本文(SAE J 1173-1988 Size Classification and Characteristics of Glass Beads for Peening Recommended Practice.pdf)为本站会员(explodesoak291)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

SAE J 1173-1988 Size Classification and Characteristics of Glass Beads for Peening Recommended Practice.pdf

1、1 - The Engineering Society . For Advancing Mobility Land Sea Airand Space o A Product of the Cooperative Engineering Program o o LBRAR( SAE J 1173 SEP88 Size Classification and Characteristics of Glass Beads for Peening SAE Recommended Practice Revised September 1988 , Submitted for Recognition as

2、,. can American National Standard THIS DOCUMENT IS PROTECTED BY U.S. AND INTERNATIONAL COPYRIGHTIt may not be reproduced, stored in a retrieval system, distributed or transmitted, in whole or in part, in any form or by any means.Downloaded from SAE International by IHS International Sales Reps, Tues

3、day, February 12, 2013 12:36:06 PMNo part of this publication may be reproduced In any form, In an electronic retrieval system or otherwise, without the prior written permission of the publisher. Copyright 1988 S09.ietyof Automotive Ensiineers, Inc. o o THIS DOCUMENT IS PROTECTED BY U.S. AND INTERNA

4、TIONAL COPYRIGHTIt may not be reproduced, stored in a retrieval system, distributed or transmitted, in whole or in part, in any form or by any means.Downloaded from SAE International by IHS International Sales Reps, Tuesday, February 12, 2013 12:36:06 PM“ SAE J1l73 . The Engineering Society _ For Ad

5、vancin.g Mobility ) Land Sea Air and Space MATERIALS PRACTICE 400 COMMONWEALTH DRIVE, WARRENDALE, PA 15096 Issued Jan. 1977 Revised Sept. 1988 o 1. 2. Submitted for recognition as an American National Standard Superseding Jl173 JAN77 o SIZE CLASSIFICATION AND CHARACTERISTICS OF GLASS BEADS FOR PEENI

6、NG SCOPE: This specification covers the characteristics of glass beads used for peening, and provides for standard glass bead size numbers. INTRODUCTION: The glass bead classification number is the approximate nominal diameter of the glass spheres in that classification, in hundredths of a millimete

7、r, with the prefix GB added. Glass beads used for peening shall be made from high quality glass of the soda-lime type. They should be as resistant as possible to breakage from shock-impact, or by abrasion during shipment and handling. The particles should be substantially round, free-flowing, and fr

8、ee from chemical impurities or contaminants that might be detrimental to the workpiece. 3. SELECTION OF SAMPLE: A representative sample of the shipment shall be selected for evaluation. This can be accomplished by: (a) Splitting the entire large quantity by repeated passes through the sample reducer

9、 (16:1/1:1) splitter as described in ASTM D271, or (b) Randomly selecting a number of containers equal to the nearest integer of the cube root of the total number of containers in the entire large quantity. Selected containers can then be reduced, as in (a) above, in order to obtain a representative

10、 sample. Other sampling techniques may be used if agreed upon between the supplier and vendor. Representative samples of the whole should result in 50 g test quantities that can be sealed in properly labeled containers for the required tests. SAE Technical Board Rules provide that: “This report is p

11、ublished by SAE to advance the state oftechnical 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 therefrom, is the sole responsibility of the user.“ SAE reviews each techni

12、cal report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 1988 Society of Automotive Engineers, Inc. All rights reserved. Printed in U.S.A. THIS DOCUMENT IS PROTECTED BY U.S. AND INTERNATIONAL COPYRIGH

13、TIt may not be reproduced, stored in a retrieval system, distributed or transmitted, in whole or in part, in any form or by any means.Downloaded from SAE International by IHS International Sales Reps, Tuesday, February 12, 2013 12:36:06 PMJ1l73 Page 2 4. SIEVE ANALYSIS FOR SIZE CLASSIFICATION: 4.1 T

14、his test shall be performed on a 50 g representative sample prior to the performance of roundness or other tests on that sample. 4.2 The sieve analysis shall be performed in accordance with ASTM 01241, “Sieve Analysis of Glass Spheres.“ 4.3 The screens shall be in accordance with the U.S. Standard S

15、eries sieves described in ASTM Specification E-ll, “Wire Cloth Sieves for Testing Purposes.“ 4.4 Classification limits shall be as shown in Table 1. 5. ROUNDNESS TEST: Glass beads should be spherical to elliptical in shape. Minimum percentage of “true spheres“ (aspect ratio 1.2:1 or less) must confo

16、rm to Table 1. An actual count shall be made of a field of approximately 100 beads using a microscope with 20X magnification and substage lighting or a mounted sample and projector. Scored, broken, or angular particles by count must conform to Table 1. 6. COATINGS: 6.1 The beads shall not be coated

17、with silicone or any other coating. 6.2 Method of testing for silicone coating shall be as follows: Slowly pour 50 g of the sample beads ihto a 250 mL beaker containing 200 mL of distilled water. A small number of beads floating on the water is acceptable, but no coagulation (which is an indication

18、of silicone coating) is permitted. 7. COMPOSITION: 7.1 Silica content shall not be less than 67% in order to provide the highest chemical stability. 7.2 The method of analysis for silica shall be in accordance with ASTM C169, “Chemical Analysis of Soda-lime Glass, (for silicon dioxide.)“ 8. SPECIFIC

19、 GRAVITY: 8.1 The density of the glass particles may be determined by a specific gravity measurement with a pycnometer as follows: 8.1.1 Dry a quantity of the beads by placing them in an open dish in a furnace at lOS-110F (40.6-43.3C) until a contant weight is achieved. 8.1.2 Place a 50 g sample of

20、the beads in a 100 mL graduated cylinder containing 50 mL of distilled water. 8.1.3 The total volume less fifty (TV-50) represents the volume of the glass particles. ) THIS DOCUMENT IS PROTECTED BY U.S. AND INTERNATIONAL COPYRIGHTIt may not be reproduced, stored in a retrieval system, distributed or

21、 transmitted, in whole or in part, in any form or by any means.Downloaded from SAE International by IHS International Sales Reps, Tuesday, February 12, 2013 12:36:06 PM , Page 3 J1l73 ) 8.1.4 Specific gravity is calculated as follows: Gr Height of original sample of dried beads (9) Sp. . Final total

22、 volume (mL) - original volume of water (mL) 8.2 Specific gravity shall be not less than 2.3 g/cm3. 9. HARDNESS: Unless otherwise specified, glass beads for peening shall have the following hardness: 480 to 550 KHN (lOOgf) 458 to 528 DPH ( 50gf) (for reference only approximately 48-50 HRc) 10. FREE

23、IRON CONTENT: 10.1 Magnetic particles shall not exceed 0.1% of the original sample, by weight. 10.2 Iron particle content is determined by slowly sprinkling 1500 g of the sample bead material on an inclined aluminum tray that is 1.6 mm (0.62 in) deep x 152 mm (6 in) wide x 305 mm (12 in) long. The t

24、ray is supported by a non-magnetic frame so that it is inclined with a 152 mm (6 in) rise from end to end (30 deg from horizontal). Four 25 x 25 x 152 mm (1 x 1 x 6 in) barmagnets are positioned against the under surface and crosswise of the inclined tray about the middle of its length. Magnets shal

25、l be of not less than 10 000 Gauss magnetic strength each, and shall be arranged so that magnetic north and south poles alternate. 10.3 The magnetic particles (iron) that accumulate on the tray as the beads roll down are carefully brushed into a preweighed dish. The procedure is repeated until all v

26、isible magnetic particles are collected. 10.4 The dish is then reweighed and the magnetic particle content is calculated as percent of the total original sample. THIS DOCUMENT IS PROTECTED BY U.S. AND INTERNATIONAL COPYRIGHTIt may not be reproduced, stored in a retrieval system, distributed or trans

27、mitted, in whole or in part, in any form or by any means.Downloaded from SAE International by IHS International Sales Reps, Tuesday, February 12, 2013 12:36:06 PMJ1l73 Page 4 11. AIR INCLUSIONS: Not more than 10% of the beads shall show air inclusions of more than 25% of their projected area, determ

28、ined microscopically while glass beads are immersed in 1.5 Refractive Index Fluid. 12. PACKAGING: 12.1 Containers - Containers shall be 50 lb multi-wall bags conforming to MIL-G-9954. 12.2 Desiccants - All materials GB 12 and finer shall have eight units of desiccant (conforming to MIL-D-3464 per ba

29、g. 12.3 Marking - Manufacturing will use control lots of not more than 1000 kg or 2200 lb. Lot numbers must be stamped on each bag, and sieve analysis record must be available on request from the manufacturer for two years after shipment. The phi (0) symbol is for the convenience of the user in loca

30、ting areas where technical revisions have been made to the previous issue of the report. If the symbol is next to the report title, it indicates a complete revision of the report. ) ) ) THIS DOCUMENT IS PROTECTED BY U.S. AND INTERNATIONAL COPYRIGHTIt may not be reproduced, stored in a retrieval syst

31、em, distributed or transmitted, in whole or in part, in any form or by any means.Downloaded from SAE International by IHS International Sales Reps, Tuesday, February 12, 2013 12:36:06 PMPage 5 “II! J1l73 CJ TABLE I - Glass Beads for Peening - Sizes (2J .l SIEVE SIZE (mm) t:JIN % MAX % NOMINAL SIZES

32、MAK TRACE MX 5% MAX 10% MAX 5% TRUE SHA DESIGNATION mm in MESH RETAINS RETAINS PASS PASS SPHERES PARTICLES GB 280* 3.35012.360 0.13210.094 6/8 4.000 3.350 2.360 2.000 70 0.5 235* 2.800/2.000 0.111/0.079 7110 3.350 2.800 2.000 1.700 75 0.5 200“ 2.36011 .700 0.094/0.066 8/12 2.800 2.360 1.700 1.400 80

33、 0.5 170“ 2.00011 .400 0.079/0.056 10/14 2.360 2.000 1.400 1.180 80 0.5 140“ 1.700/1.180 0.066/0.047 12116 2.000 1.700 1.180 1.000 80 0.5 120“ 1.40011.000 0.056/0.039 14118 1.700 1.400 1.000 0.850 80 0.5 100 1.180/0.850 0.04710.0331 16120 1.400 1. 180 0.850 0.600 65 3.0 85“ 1.000/0.710 0.039/0.0278

34、18125 1.180 1.000 0.710 0.425 65 3.0 70 0.850/0.600 0.0331/0.023 20/30 1.000 0.850 0.600 0.355 65 3.0 60“ 0.710/0.500 0.0278/0.0197 25/35 0.850 0.710 0.500 0.300 70 3.0 50 0.60010.425 0.0234/0.0165 30/40 0.710 0.600 0.425 0.250 70 3.0 40“ 0.50010.355 0.0197/0.0139 35/45 0.600 0.500 0.355 0.212 70 3.

35、0 35 0.42510.300 0.0165/0.0117 40/50 0.500 0.425 0.300 0.212 70 3.0 30“ 0.35510.250 o .0139/0.0098 45/60 0.425 0.355 0.250 0.180 70 3.0 25 0.300/0.212 0.0117/0.0081 50/70 0.355 0.300 0.212 0.150 80 3.0 20 0.250/0.180 0.0098/0.0070 60/80 0.300 0.250 0.180 0.125 80 3.0 18 0.21210.150 0.0083/0.0059 701

36、100 0.250 0.212 0.150 0.106 80 3.0 15 0.18010.125 0.0070/0.004g 80/120 0.212 0.180 0.125 0.090 80 3.0 12 0.15010.106 0.0059/0.0041 100/140 0.180 0.150 0.106 0.063 90 3.0 10 0.125/0.090 0.0049/0.0035 120/170 0.150 0.125 0.090 0.053 90 3.0 9 0.106/0.075 o .004110. 002g 140/200 0.125 0.106 0.075 0.045

37、90 3.0 8 0.090/0.063 0.0035/0.0025 170/230 0.106 0.090 0.063 0.038 90 3.0 6 0.075/0.053 0.0029/0.0021 200/270 0.090 0.075 0.053 0.038 90 3.0 ) NOTES: 1) DESIGNATION NUMBER IS MEAN BEAD DIAMETER mm x 100. 2) A “TRUE SPHERE“ IS DEFINED AS A SPHEROID WITH AN ASPECT RATIO (RATIO OF MAXIMUM TO MINIMUM DI

38、AMETER) OF 1.2 OR LESS. 3) “SHARP PARTICLES“ ARE SCORED BEADS, BROKEN BEADS OR ANGULAR GLASS PARTICLES WITH UNFIRED EDGES. 4) “ INDICATES SIZES ADDED TO SAE J1l73, JAN. 1977 LIST. , THIS DOCUMENT IS PROTECTED BY U.S. AND INTERNATIONAL COPYRIGHTIt may not be reproduced, stored in a retrieval system,

39、distributed or transmitted, in whole or in part, in any form or by any means.Downloaded from SAE International by IHS International Sales Reps, Tuesday, February 12, 2013 12:36:06 PMc Jl173 SEP88 RATIONALE: Not applicable. RELATIONSHIP OF SAE STANDARD TO ISO STANDARD: Not applicable. REFERENCE SECTI

40、ON: ASTM 0271 COMMITTEE COMPOSITION: DEVELOPED BY THE SAE SURFACE ENHANCEMENT DIVISION: C. F. Barrett, Metal Improvement Co. Inc., Carlstadt, NJ - Chairman A. Ahmad, Eaton Corp., Southfield, MI E. Bloom, Metal Improvement Company, Paramus, NJ P. E. Cary, Elmwood Park, IL D. L. Coovert, Pellets Inc.,

41、 Tonawanda, NY J. J. Daly, Metal Improvement Co., Paramus, NJ J. S. Eckersley, Metal Improvement Co. Inc., Belleville, MI H. o. Fuchs, Stanford, CA D. Hale, Ervin Industries Inc., Ann Arbor, MI R. I. Stephens, University of Iowa, Iowa City, IA J. E. Tripp, Dana Corp., Ottawa Lake, MI E. S. Vigne, Po

42、tter Industries Inc., Hasbrouck Hts., NJ SPONSORED BY THE SAE FATIGUE DESIGN AND EVALUATION TECHNICAL COMMITTEE: M. R. Mitchell, Rockwell Intl., Thousand Oaks, CA - Chairman L. E. Tucker, John Deere Dubuque Works, Dubuque, IA - Vice Chairman R. D. Zipp, Navistar Intll. Corp., Hinsdale, IL - Sponsor

43、D. Aichbhaumik, Weirton Steel Corp., Weirton, WV A. Alioto, Aptos, CA L. H. Ames, West Allis, WI C. F. Barrett, Metal Improvement Co. Inc., Carlstadt, NJ D. L. Baughman, Metal Improvement Co. Inc., Carlstadt, NJ R. T. Bennett, Case IH, Hinsdale, IL H. D. Berns, Deere & Co., Moline, IL H. L. Bernstei

44、n, Southwest Research Institute, San Antonio, TX P. R. Bhowal, Cameron Iron Works, Houston, TX B. E. Boardman, Deere & Co., Moline, IL T. P. Brinker, Allentown, PA J. T. Cammett III, Metcut Research, Cincinnati, OH P. E. Cary, Elmwood Park, IL R. A. Chernenkoff, Ford Motor Co., Dearborn, MI H. L. Ch

45、esney, Ford Motor Co., Detroit, MI J. B. Cohan, Northwestern University, Evanston, IL F. A. Conle, Ford Motor Co., Dearborn, MI B. J. Dabell, GKN Technology Ltd., Auburn Hills, MI T. J. Dolan, Engineering Consultant, Champaign, IL K. H. Donaldson, MTS Systems Corp., Minneapolis, MN THIS DOCUMENT IS

46、PROTECTED BY U.S. AND INTERNATIONAL COPYRIGHTIt may not be reproduced, stored in a retrieval system, distributed or transmitted, in whole or in part, in any form or by any means.Downloaded from SAE International by IHS International Sales Reps, Tuesday, February 12, 2013 12:36:06 PMSPONSORED BY THE

47、SAE FATIGUE DESIGN AND EVALUATION TECHNICAL COMMITTEE (Continued): N. E. Dowling, VA Poly Inst. & State Univ., Blacksburg, VA S. Downing, SoMat Corporation, Champaign, IL M. Epstein, MVMA, Detroit, MI J. W. Fash, MTS Systems Corp., Minneapolis, MN H. O. Fuchs, Stanford Univ., Stanford, CA D. R. Gall

48、iart, Deere & Co., Moline, IL R. P. Garibay, Simpson Research & Engrg., Wayne, MI D. Hale, Ervin Industries Inc., Ann Arbor, MI J. Harrison, Metal Improvement Co., Wichita, KS D. R. Hartdegen, Tenneco Inc., Hinsdale, IL G. Hayward, Hayward Materials & Processes Con., Palo Alto, CA J. Hooker, Caterpi

49、llar Tractor Co., Peoria, IL R. Indig, Beckman Instruments, Palo Alto, CA H. R. Jhansale, Allis Chalmers Corporation, Milwaukee, WI H. C. Johnson, MN Tech-Corridor Corp., Minneapolis, MN K. V. Johnson, Bucyrus-Erie Co., S. Milwaukee, WI L. L. Jones, Clark Equip. Co., Buchanan, MI E. L. Julich, Racine, WI A. L. Kearney, Valparaiso, IN R. Kleppe, Metal Improvement Co., Vernon, CA D. J. Klimesh, Ford Motor Company, Troy, MI P. Kurath,Urbana, IL H. S. Lamba, General Motors, LaGrange, IL R. W. Landgraf, Ford Motor Co., Dearborn, MI G. E. Leese, MTS Systems Co

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