Issued
SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The u of this report is entirely voluntary, and its applicability and suitability for any particular u, including any patent infringement arising therefrom, is the sole responsibility of the ur.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revid, or cancelled. SAE invites your written comments and suggestions. Copyright © 2007 SAE International
All rights rerved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwi, without the prior written permission of SAE.
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AMS 2631B
SAE AMS 2631B
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2.32.42.6ASTM Publications:Available from ASTM, 1916 Race Street, Philadelphia, PA 19103-1187.ASTM E 127 Fabricating and Checking Aluminum Alloy Ultrasonic Standard Reference Blocks ASTM E 317 Evaluating Performance Characteristics of Ultrasonic Pul-Echo Testing Systems
Without the U of Electronic Measurement Instruments
ASTM E 428 Fabrication and Control of Steel Reference Blocks Ud in Ultrasonic Inspection
U.S. Government Publications:
Available from DODSSP, Subscription Services Desk, Building 4D, 700 Robbins
Avenue,Philadelphia, PA 19111-5094.
MIL-STD-410 Nondestructive Testing Personnel, Qualification and Certification (Eddy Current,
Liquid Penetrant, Magnetic Particle, Radiographic and Ultrasonic)
ANSI Publications:
Available from American National Standards Institute, Inc., 11
三千英语West 42nd Street, New York,NY 10036.
卤水鸡翅
ANSI B46.1 Surface Texture
ASNT Publications:
寒竹篇Available from American Society for Nondestructive Testing, 1711 Arlingate Plaza,P.O. Box 28518, Columbus, OH 43228-8518.
SNT-TC-1A Recommended Practice, Personnel Qualification and Certification in Nondestructive
Testing
ATA Publications:
Available from Air Transport Association, 1301 Pennsylvania Avenue, Suite 1100,
Washington DC 20004-1707.
ATA-105Guidelines for Training and Qualifying Personnel in Nondestructive Testing
3. TECHNICAL REQUIREMENTS:
3.1 Qualification:
3.1 .1 Personnel: Shall be qualified and certified in accordance with MIL-STD-410. Alternate (R) procedures, i.e. ASNT-TC-1A or ATA-105, m ay be ud if specified by the drawing or purcha
order. It is the suppliers responsibility to ensure that personnel are certified and function within
the limits of the applicable specification or procedure.
泊岳阳楼下-2-2.22.5Copyright SAE International
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AMS 2631B SAE AMS 2631B
3.2.2 Ultrasonic Search Units: Shall be capable of transmitting and receiving ultrasonic vibrations at (R) the frequency and energy levels specified below. The frequency ud shall be the highest practical ultrasonic frequency which will provide the required penetration, resolution, and signal to noi.3.2.2.1 Search Unit Dimensions and Styles: For both contact and immersion tests with either longitudinal or shear mode, the choice of transducer dimension, style, type, etc is dependent on the test and the approved test procedure. In general, for immersion testing, flat-faced or corrected-beam transducers with diameters 3/8 through 3/4 inch (9.5 through 19.0 mm) are
acceptable. Contact units with a maximum area of 1 square inch (6.5 cm 2) with 1/2 inch
(12.7 mm) minimum to 1-1/8 inch (28 mm) maximum dimensions are acceptable for
longitudinal testing, while 1 square inch (6.5 cm 2) or 1 by 1/2 inch (25 by 12.7 mm) transducers are acceptable for shear testing. U of a focud, paint brush, liquid delay,
special size, or other special transducer is acceptable when agreed upon by purchar and vendor.
3.2.2.2 Shall be the highest practical frequency which will provide the penetration and resolution (R) required. Frequencies lower than 2.25 MHz for longitudinal inspections or 1.0 MHz for shear
inspections shall not be ud unless agreed upon by purchar and vendor.
3.2.3 Voltage Regulator: If fluctuations in line voltage cau variations exceeding ±5% in a signal
with an amplitude equal to the upper linearity limit of the instrument, a voltage regulator shall be ud on the power source; this requirement does not apply to battery-powered units.
3.2.43.2.
4.1 Immersion Method: For inspection by the immersion method, clean tap water shall be ud
as the couplant material; rust inhibitors, wetting agents, or both, may be added. The water
shall be free of visible air bubbles which could interfere with the ultrasonic test.
3.2.
4.2 Contact Method: For inspection by the contact method, SAE 30 motor oil in accordance with
SAE J300 or cellulo gum shall be ud as the couplant material. Other types of couplant
materials that have been proven acceptable for a particular type of test may be ud if agreed upon by purchar and vendor. Chloroprene rubber sheet or similar materials may be ud between the transducer and the product being tested to prevent excessive transducer wear
焦虑的治疗方法provided adequate compensation for its u is made.
3.2.5 Longitudinal Reference Standards: Shall be fabricated from AMS 4928 titanium alloy or from
other titanium alloy acoustically similar to the alloy to be tested. The procedures established in ASTM E 127 and ASTM E 428 are recommended for manufacturing ultrasonic reference blocks for straight beam testing.
-4-
Couplant:
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享受用英语怎么说
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