ASTM E2700 PDF

ASTM E – “Standard Practice for Contact. Ultrasonic Testing of Welds Using Phased Arrays”. ○. ASME Code Case – “Use of Ultrasonic. ASTM E + REDLINE: STANDARD PRACTICE FOR CONTACT ULTRASONIC TESTING OF WELDS USING PHASED ARRAYS – INCLUDES STANDARD +. ASTM E相控阵操作 – 5/13/ Michael Moles PROPOSED CHANGES TO: APPENDIX IV – PHASED.

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With their distinct features and capabilities, phased arrays require special set-ups and standardization, as addressed by this practice. SE provides details to be considered in the procedures used.

ASTM E2700-14 Standard Practice for Contact Ultrasonic Testing of Welds Using Phased Arrays

Link to Active This link will always route to the current Active version of the standard. For thin sections, it may be possible to use a single stand-off position with either E-scans or S-scans.

Scanning speed e27700 at which the probe is manually moved forward and backward will be limited by the system update capabilities. Since acceptance criteria are not speci?

Generally using more focal laws requires more processing time so update rates of the B-scan or S-scan displays are slower as more focal laws are used. Historical Version s – view previous versions of standard. Other metallic materials can be examined using this practice provided reference standards can be developed that demonstrate that the particular material and weld can be successfully penetrated by an ultrasonic beam.

Greater and lesser thicknesses may be tested using this standard practice if ast technique can be demonstrated to provide adequate detection on mockups of the wstm wall thickness and geometry 1. For 2D arrays, which use electronic oscillation, calibration should be performed at all skewed angles.

The practice or standard used and its applicable revision shall be identi? A remote portable PC connected to the instrument may also be used for this purpose. This can be replaced with raster scanning where the stand-offs are continuously varied to the limits required using manual movement of the probes. The method for the system used is best described for each instrument in r2700 operating manual for that instrument. Only 1D astmm or dual arrays con?

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ASTM E – 14 Standard Practice for Contact Ultrasonic Testing of Welds Using Phased Arrays

Greater and lesser thicknesses may be tested using this standard practice if the technique can be demonstrated to provide adequate detection on mockups of the same wall thickness and geometry. For thin wall sections, a single probe stand-off may be possible for linear scanning if the probe parameters are adequate for full volume coverage. The couplant used should not be injurious to the material to be examined, should form a thin? The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

Alternative welding techniques, such as solid state bonding for example, friction stir welding and fusion welding for example, electron beam welding can be inspected using this practice provided adequate aztm and techniques are documented and approved.

ASTM E相控阵操作_图文_百度文库

Examination procedures recommended for common weld con? Use is made of all re?

Summary of Practice 4. Data, in the form of A-scans from each focal law used, shall be collected at increments of not greater than 2 mm with at least three increments for the length of the smallest required detectable defect, that is, a defect length of 3 mm would require increments of not greater than 1 mm along the scan axis. Asym illustrations are shown in Figs.

Where scanning is to be performed along the top or across this weld, the weld reinforcement may be ground to provide a? When water is used, it should be clean and de-aerated if possible. Aetm method can be used only if the instrument is provided with electronic distance amplitude compensation circuitry TCG.

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Ee2700 number in parentheses indicates the year of last reapproval. Amplitude shall be digitized at a resolution of at least 8-bit that is, levels. Practices for specific geometries such as spot welds are not included.

Alternative scanning techniques shall be used for different weld pro? The practice is intended to be used on thicknesses of 9 to mm 0.

Greater and lesser thicknesses may be tested using this standard practice if the technique can be demonstrated to provide adequate detection on adtm of the same wall thickness and geometry 1. Practice E recommends methods of assessing performance characteristics of phased array probes and systems.

Volume coverage afforded by multiple stand-off positions of probes are illustrated for encoded linear scans. In most cases, the surface from which the straight beam is used needs no further examination using angle beams.

The modeled coverage in the upper portion of Fig. Set the signal from the reference re? In some cases a phased array probe may be used without a refracting wedge or delay-line that is, just a hard wear-face surface. Basis of Application 6. Alternative welding techniques, such as solid state bonding for example, friction stir welding and fusion welding for example, electron beam welding e7200 be inspected using this practice provided adequate coverage and techniques are documented and approved.

Welds shall be inspected from both sides, where possible. In addition, the alternative method and its equipment shall meet all the performance requirements of this standard.

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