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 there
2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2017 SAE International All rights reserved. No part of this p
3、ublication may be 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: +1 724-776-497
4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/standards.sae.org/AMS4949B AEROSPACE MATERIAL SPECIFICATION AMS4949 REV. B Issued 2003-07 Reaffirmed 2008-11 Revi
5、sed 2017-04 Superseding AMS4949A Titanium, Sheet, Laminated, Surface Bonded RATIONALE AMS4949B results from a Five-Year Review and update of this specification. 1. SCOPE 1.1 Form This specification covers titanium in the form of laminated sheet. 1.2 Application This material has been used typically
6、for shims in which thickness is adjusted by removal of laminations as required, but usage is not limited to such applications. 1.3 Classification Materials are classified as follows: 1.3.1 Type Type I - All laminations Type II - One half laminations Type III - Three quarters laminations 1.3.2 Class
7、Class 1 - 0.002 inch (0.05 mm) thick laminations Class 2 - 0.003 inch (0.075 mm) thick laminations SAE INTERNATIONAL AMS4949 B Page 2 of 6 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of the purchase order forms a part of this specification to the extent specifi
8、ed herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. When 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 Publications Available
9、 from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or +1 724-776-4970 (outside USA), www.sae.org. AMS4901 Titanium Sheet, Strip, and Plate Commercially Pure Annealed, 70.0 ksi (485 MPa) AMS4907 Titanium Alloy, Sheet, Strip, and Plate
10、 6.0Al - 4.0V, Extra Low Interstitial Annealed AMS4911 Titanium Alloy, Sheet, Strip, and Plate 6Al - 4V Annealed ARP1917 Clarification of Terms Used in Aerospace Metals Specifications 2.2 ASQ Publications Available from American Society for Quality, 600 North Plankinton Avenue, Milwaukee, WI 53203,
11、Tel: 800-248-1946 (United States or Canada), 001-800-514-1564 (Mexico), or +1-414-272-8575 (all other locations), www.asq.org. ANSI/ASQC Z1.4 Sampling Procedures and Tables for Inspection by Attributes 3. TECHNICAL REQUIREMENTS 3.1 Composition 3.1.1 Laminations Shall conform to AMS4901 or harder con
12、dition. 3.1.2 Solid Stock When required, shall conform to AMS4907 or AMS4911. 3.1.3 Adhesive Shall be of a composition which will meet the fabrication and quality requirements of this specification. 3.2 Fabrication The laminated shim stock shall consist completely of laminations each 0.002 inch 0.00
13、02 inch (0.05 mm 0.005 mm) thick or 0.003 inch 0.0003 inch (0.08 mm 0.008 mm) thick, or partly of such laminations combined with a single thicker lamination, as ordered, bonded together by an adhesive such that individual laminations may be peeled for adjustment of shim thickness. The thickness of e
14、ach layer of adhesive shall not exceed 0.0003 inch (0.008 mm). 3.2.1 Sheet shall be of the thicknesses and combinations of laminations and solid base shown in Table 1. The existence of the applicable type, class, and nominal thickness shown in Table 1 is not intended to imply that all products descr
15、ibed are commercially available. SAE INTERNATIONAL AMS4949 B Page 3 of 6 Table 1 - Thickness combinations of shim stock Inch Millimeters Type I Class 1 All Laminated, 0.002 Inch (0.05 mm) Laminations Type I Class 2 All Laminated, 0.003 Inch (0.08 mm) Laminations Type II Class 1 Half Solid, Half Lami
16、nated 0.002 Inch (0.05 mm) Laminations Type II Class 2 Half Solid, Half Laminated 0.003 Inch (0.08 mm) Laminations Type III Class 1 Three Quarters Solid, One Quarter Laminated 0.002 Inch (0.05 mm) Laminations Type III Class 2 Three Quarters Solid, One Quarter Laminated 0.003 Inch (0.08 mm) Laminatio
17、ns 0.006 0.15 X 0.008 0.20 X 0.010 0.25 X 0.012 0.31 X 0.015 0.38 X X 0.016 0.41 X X 0.020 0.51 X X 0.021 0.53 X X 0.032 0.81 X X 0.033 0.84 X X 0.047 1.19 X X 0.048 1.22 X X 0.062 1.58 X X X X 0.063 1.60 X X X X 0.078 1.98 X X X X 0.080 2.03 X X X X 0.093 2.37 X X X X 0.094 2.39 X X X X 0.109 2.77
18、X X X X 0.121 3.07 X X X X X X 0.125 3.18 X X X X X X 3.3 Construction 3.3.1 General Requirements Laminations and solid stock, when applicable, shall be bonded together throughout the whole surface area in a manner which will permit peeling of the laminations for adjustment of shim thickness without
19、 the aid of mechanical devices, and without separation of the remaining laminations and solid part. Laminations shall be bonded together in such a manner that any shape can be cut from the material using suitable tools, without separation. Laminations shall remain intact without separation during no
20、rmal handling. Requirements shall be applicable to laminations not less than 8 hours after completion of bonding. 3.3.2 Surface Roughness Flat surfaces of laminations, and solid stock when applicable, shall have a maximum roughness of 63 Ra (in) on original surfaces and on metallic surfaces after pe
21、eling. 3.3.3 Water Resistance Sheet shall withstand total immersion in water at 120 F 3 F (49 C 2 C) for at least 3 hours without separation of laminations or any evidence of corrosion. SAE INTERNATIONAL AMS4949 B Page 4 of 6 3.3.4 Peel Strength Each individual lamination shall have a peel strength
22、no less than 1 lb/in of width (180 gm/cm of width) and no more than 5 lb/in of width (900 gm/cm of width), except at the solid/laminate bond line which may be higher. 3.4 Quality Sheet, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and fr
23、om dents, creases, and other imperfections detrimental to usage of the sheet. 3.5 Thickness Tolerances Shall be as specified in Table 2. Table 2 Table 2A - Total thickness tolerances, inch-pound units Nominal Total Thickness Inch Tolerance, Inch Plus Tolerance, Inch Minus Up to 0.008, incl 0.001 0.0
24、005 Over 0.008 to 0.010, incl 0.0015 0.0005 Over 0.010 to 0.016, incl 0.0015 0.001 Over 0.016 to 0.021, incl 0.002 0.001 Over 0.021 to 0.033, incl 0.003 0.002 Over 0.033 to 0.048, incl 0.005 0.002 Over 0.048 to 0.063, incl 0.006 0.002 Over 0.063 to 0.080, incl 0.007 0.002 Over 0.080 to 0.094, incl 0
25、.009 0.003 Over 0.094 to 0.109, incl 0.010 0.003 Over 0.109 to 0.125, incl 0.012 0.003 Over 0.125 to 0.156, incl 0.015 0.003 Over 0.156 to 0.187, incl 0.018 0.003 Over 0.187 to 0.190, incl 0.018 0.005 Table 2B - Total thickness tolerances, SI units Nominal Total Thickness Millimeters Tolerance, Mill
26、imeter Plus Tolerance, Millimeter Minus Up to 0.20, incl 0.025 0.013 Over 0.20 to 0.25, incl 0.038 0.013 Over 0.25 to 0.41, incl 0.038 0.025 Over 0.41 to 0.53, incl 0.05 0.025 Over 0.53 to 0.84, incl 0.08 0.05 Over 0.84 to 1.22, incl 0.13 0.05 Over 1.22 to 1.60, incl 0.15 0.05 Over 1.60 to 2.03, inc
27、l 0.18 0.05 Over 2.03 to 2.39, incl 0.23 0.08 Over 2.39 to 2.77, incl 0.25 0.08 Over 2.77 to 3.18, incl 0.30 0.08 Over 3.18 to 3.96, incl 0.38 0.08 Over 3.96 to 4.75, incl 0.46 0.08 Over 4.75 to 4.83, incl 0.46 0.13 SAE INTERNATIONAL AMS4949 B Page 5 of 6 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsi
28、bility for Inspection The producer of sheet shall supply all samples for producers tests and shall be responsible for the performance of all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the sheet conforms to the specif
29、ied requirements. 4.2 Classification of Tests 4.2.1 Acceptance Tests Peel strength (3.3.4), thickness tolerance (3.5), and quality (3.4) are acceptance tests and shall be performed on each lot. 4.2.2 Periodic Tests Water resistance (3.3.3) is a periodic test and shall be performed at a frequency sel
30、ected by the producer unless a frequency of testing is specified by purchaser. 4.3 Sampling and Testing A lot shall consist of all the shim stock of the same composition, type, class, nominal size and lateral dimensions, manufactured under essentially the same conditions, and submitted for acceptanc
31、e at the same time. Sampling shall be in accordance with ANSI/ASQC Z1.4. Lot acceptance criteria shall be based on a single sampling plan with a zero acceptance number. 4.3.1 Peel tests and water immersion tests shall be performed on a strip of finished material, nominally 1 x 8 inches (25 x 203 mm)
32、, cut from the finished material or from separately fabricated samples made in the same lot. 4.4 Reports The producer of sheet shall furnish with each shipment a report showing the results of tests for peel strength of each lot and stating that the sheet conforms to the other technical requirements.
33、 This report shall include the purchase order number, lot number, AMS4949B, type, class, length and width as applicable, and quantity. 4.5 Resampling and Retesting Shall be in accordance with ANSI/ASQC Z1.4. 5. PREPARATION FOR DELIVERY 5.1 Identification Each sheet shall be legibly marked on one fac
34、e with nominal shim stock thickness, thickness of each lamination, percentage of total thickness that is laminated, and AMS4949B. Markings shall be made with ink containing not more than traces of halogenated compounds. 5.2 Packaging Sheet shall be prepared for shipment in accordance with commercial
35、 practice and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the sheet to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGEMENT A producer shall include this specification number in all quotations and when acknowledging purc
36、hase orders. SAE INTERNATIONAL AMS4949 B Page 6 of 6 7. REJECTIONS Sheet not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8. NOTES 8.1 Revision Indicator A change bar (I) located in the left margin is for the convenience of the user in
37、locating areas 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 publicati
38、ons, nor in documents that contain editorial changes only. 8.2 Typical lateral dimensions of laminated sheet normally do not exceed 24 x 48 inches (609 x 1219 mm). 8.3 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary; dimensions and properties in SI units and
39、 the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information. 8.4 Terms used in AMS are clarified in ARP1917. 8.5 Purchase documents should specify not less than the following: AMS4949B Type, class, and dimensions of sheet Quantity of sheet desired 8.6 Similar Specification AMS-DTL-22499 Comp 5, is listed for information only. PREPARED BY AMS COMMITTEE “G“
