ASTM E114 PDF

ASTM E Standard Practice for Ultrasonic Pulse-Echo Straight-Beam Contact Testing ASTM Standard Nondestructive Testing Ultrasonic Testing. ASTM E Standard Practice for Ultrasonic Pulse-Echo Straight-Beam Contact Testing. standard by ASTM International, 12/01/ View all product. ASTM E I need to test 4 inches plate per ASTM E customer want 3/32″ FBH as reference which is very samall in that thick

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Standard practice for ultrasonic pulse-echo straight-beam contact testing – CERN Document Server

Significance and Use This practice employs the use of normal-incident, or straight beam, longitudinal wave ultrasound for the detection and evaluation of discontinuities in materials requiring volumetric examination. Types of information that may be obtained from the pulsed-echo straight-beam practice are as follows: Land Use and Development. If such evalu- ation and qualification is specified, a documented procedure such as Practice E shall be used as the basis for evaluation.

Please first log in with a verified email before subscribing to alerts. This standard has been approved for use by agencies of the Department of Defense. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Apparent discontinuity size see Note 1 by comparison of the signal amplitudes from the test piece to the amplitudes obtained from a reference standard.

ASTM-E, –

NOTE 1—When determining the sizes of discontinuities by either of these two practices, only the area of the discontinuity which reflects energy to the search unit is determined. Types of information that may be obtained from the pulsed-echo straight-beam practice are as follows:.

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Basis of Application 4. By comparison of the displayed discontinuity signal amplitudes to those from a reference standard, both location and estimated discontinuity size may be determined.

Originally published as E — 55 T. E Standard Guide for Thermocouple Verification. Discon- tinuities having dimensions exceeding the size of the sound beam can also be estimated by determining the amount of qstm of a search unit over the examination surface where a discontinuity signal is maintained.

The following items require agreement between the using parties for this practice to be used effectively: It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Today, some 12, ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence.

We have no amendments or corrections for this standard. AIAWilson Blvd.

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Enviado por Murilo flag Denunciar. Current edition approved May 15, These echoes return to the search unit, where they are converted from mechanical to electrical energy and are ampli- fied by a receiver.

A number in parentheses indicates the year of last reapproval. Already Subscribed to this document. Enter your account email address to request a password reset: The amplified echoes signals are usually presented in an A-scan display, such that the entire round trip of pulsed energy within the resolution of the system may be indicated along the horizontal base line of the display by aetm deflections corresponding to echo amplitudes from each interface, including those from intervening discontinui- ties.

The assembly of transducer, holder, wearface, and electrical connnector comprise the search unit. Your Alert Profile lists the documents that will satm monitored. Thus a scaled distance to a discontinuity and its displayed signal becomes a true relation- ship. This standard is not included in any atm.

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ASTM E114 – 15

As the voice of the U. The practice or standard used and its applicable revision shall be specified in the contractual agreement between the using parties.

Note 1The term apparent is emphasized since true size depends on orientation, composition, and geometry of the discontinuity and equipment limitations.

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