ASTM E1444/E1444M-16e1 pdf free download.Standard Practice for Magnetic Particle Testing.The size of this pdf file is 2.04M.
ASTM E1444/E1444M-16e1 establishes minimum requirements for magnetic particle testing used for the detection of surface or slightly subsurface discontinuities in ferromagnetic material. Guide E709 can be used in conjunction with this practice as a tutorial.
ASTM E1444/E1444M-16e1 establishes the basic parameters for controlling the application of the magnetic particle testing method. This practice is written so that it can be specified on the engineering drawing, specification, or contract. It is not a detailed how-to procedure to be used by the examination personnel and, therefore, must be supplemented by a detailed written procedure that conforms to the requirements of this practice.
7.4 Equipment Calibration-Magnetic particle testing equipment shall be checked for performance and accuracy at the time of purchase and at intervals thereafter as indicated in Table 1: whenever malfunction is suspected, when specified by the Cognizant Engineering Organization, or whenever electrical maintenance that might affect equipment accuracy is performed.
7.4.5.1 Black lights that use a UV-A LED source shall comply with the requirements of Practice E3022
7.4.5.2 Battery-powered black lights used to inspect parts shall have their intensity measured prior to use and after each use.
7.4.6 Guussmieters-All field indicators shall be calibrated and reading taken at a minimum of three points in each dynamic range and each polarity, in addition to zero.
8. Keywords
8.1 dye; fluorescent; FP;FPI; magnetic particle; MPI; MT;nondestructive evaluation nondestructive examination; nonde structive testing;NDT
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