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.
|Country:||Republic of Macedonia|
|Published (Last):||25 January 2011|
|PDF File Size:||3.59 Mb|
|ePub File Size:||7.3 Mb|
|Price:||Free* [*Free Regsitration Required]|
The system shall be capable of generating and displaying both B-scan and S-scan images, which can be stored and recalled for subsequent review. 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 adtm are used.
This method is suitable for large planar? 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 thickness less than 50 mm 2 in. BoxArlingate Ln. A number in parentheses indicates the year of last reapproval.
The distance forward and backward that the probe is moved is determined by the scan plan to ensure full volume coverage.
ASTM E2700 – 14
A remote portable PC connected to the instrument may also be used for this purpose. Only 1D arrays or dual arrays con? 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.
This practice provides procedural guidance for both manual and mechanized scanning of welds using phased array systems. NOTE—Butt welds should be examined from both sides of the weld and preferably from the bevel opening side when access permits. More than one stand-off position may be required for thicker sections. 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 1.
In manual scanning, the dominant display will be an S-scan with associated A-scans. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. In most cases, the surface from which the straight beam is used needs no further examination using angle beams.
The applicable edition of Practice E shall be speci? 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 coverage and techniques are documented and approved.
ASTM E – 14 Standard Practice for Contact Ultrasonic Testing of Welds Using Phased Arrays
This can be replaced with raster scanning where the stand-offs are continuously varied to the limits required using manual movement of the probes. This may include the following information: 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 1.
Practice E recommends methods of assessing performance characteristics of phased array probes and systems. Inhibitors or wetting agents, or both, may be used. The method for the system used is best described for each instrument in the operating manual for that instrument.
Welds shall be inspected from both sides, where possible. This feature will be used only for assessment 7 of data quality as the scan is progressing and may allow for one or more channels to be monitored.
AIAWilson Blvd. For double Vee welds, angle beam examinations should be carried out from both surfaces when access permits. The couplant should wet the surfaces of the search unit and the test piece, and eliminate any air space between the two. Some phasedarray systems may include options for entering some items into a report format and incorporating S-scan or B-scan images as part of the report.
For 2D arrays, which use electronic oscillation, calibration should be performed at all skewed angles. Consideration must be given to these re? With their distinct features and capabilities, phased arrays require special set-ups and standardization, as addressed by this practice.
Historical Version s – view previous versions of standard. The practice is intended to be used on thicknesses of 9 to mm 0.
Guide mechanisms such as probe holding frames or magnetic strips are used to ensure that the probe moves at a? Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Range standardization shall include correction for wedge travel time so that the e200 position in the test piece is accurately indicated for each focal law.
Probe placement e7200 be de? Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.
If the source of sensitivity change is a result of change in the number of active elements compared to the baseline assessment it may require probe replacement.
ASTM E2700-14 Standard Practice for Contact Ultrasonic Testing of Welds Using Phased Arrays
Training programs for phased arrays have been set up worldwide. Practices for specific geometries such as spot welds are not included. Descriptive sketches are usually recommended.
With their distinct features and capabilities, phased arrays require special set-ups and standardization, as addressed by this practice. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.
Additionally, there should also be training or knowledge and atm related to phased array equipment and techniques. Personnel performing examinations to this standard should list the qualifying credentials in the examination report. Practice E covers setting up of phased arrays for weld inspections. Basis of Application 6. SE provides details to be considered in the procedures used. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?
Not all possible con? Apply the correction to all focal laws used for the examination.
This target may be considered the primary reference re?