Qpl ams 2644 pdf download

 
    Contents
  1. QPL-AMS - Inspection Material, Penetrant
  2. AMS 2644 QPL
  3. QPL-AMS2644
  4. QPL-AMS2644

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Qpl Ams 2644 Pdf Download

QPL-AMS 1 October QUALIFICATIONS HAVE BEEN Source: http ://itutvimaser.tk -- Downloaded: TZ. Standards PDF Cover Page Document preview. Most recent. QPL-AMS Inspection Material, Penetrant Add to Alert; PDF. Add to Alert. ×. Please first log . ALSO SEE QPL-AMS Format. Details. Price (USD). PDF. Single User PERFORMANCE SPECIFICATION SAE-AMS Inspection Material, Penetrant.

A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. Scope 1. These processes are applicable for the detection of discontinuities, such as lack of fusion, corrosion, cracks, laps, cold shuts, and porosity, that are open or connected to the surface of the component under examination. Also, some cleaners, penetrants, and developers can have a deleterious effect on nonmetallic materials such as plastics. Prior to examination, tests should be conducted to ensure that none of the cleaning or inspection materials are harmful to the components to be examined. The SI units given in brackets are for information only.

Aqueous suspendable developers can be used with the hydrophilic emulsifier does not produce an acceptable both Type I and Type II penetrants. Aqueous developers may background, the part shall be cleaned and reprocessed. Manual be applied to the component after rinsing. Developers shall be systems shall require the use of appropriate black light illumi- applied by spray, flowing, or immersion. The applied developer nation to ensure adequate penetrant removal.

Components shall be air dried or oven application of dry developer, nonaqueous developer, or exami- dried to the requirements of 7. Minimum and maximum nation without developer. The components should be drained development times, after the component is dry, are 10 min and of excess water but not dried before the application of aqueous 2 h.

Aqueous suspendable developers must be either constantly soluble or suspendable developers. The components shall be agitated to keep the particles from settling out of suspension or dried after the application of aqueous developers.

Oven temperatures shall 7. Drying time shall only be appropriate requirements of 7. Components shall be that necessary to adequately dry the part. Components shall be interpreted before the maximum developing time, and if removed from the oven immediately after drying.

Components not interpreted before the 7. Longer times for more complete adaptation should be 7. Inspectors shall not wear photochromic or controls necessary to ensure that the penetrant system, mate- permanently darkened lenses while processing or reviewing rials and equipment provide an acceptable level of perfor- parts under black light.

Black lights shall meet the require- mance. The frequencies of the required checks in Table 1 are ments of 7.

QPL-AMS - Inspection Material, Penetrant

All areas of fluorescence shall be interpreted. For facilities operating less Components with no indications or only nonrelevant indica- frequently, the frequency of daily and weekly checks and those tions shall be accepted. Components with relevant indications required at the start of each shift may be reduced accordingly, shall be evaluated with respect to the applicable acceptance but must be performed prior to processing of parts. Monthly criteria. Components with excessive background fluorescence and quarterly checks shall be performed at the same frequency shall be cleaned and reprocessed.

The NDT facility may perform 7. Components with no indications or only nonrelevant mance with an independent, laboratory. Records of tests, indications shall be accepted. Components with relevant indi- except as noted in Table 1, shall be maintained and available cations shall be evaluated with respect to the applicable for audit by the customer, the cognizant engineering organiza- acceptance criteria.

Components with excessive background tion, or regulatory agencies.

AMS 2644 QPL

Penetrant materials that are shall be cleaned and reprocessed. Redevelopment time shall be at least Penetrant Brightness Quarterly 7. If no indication reappears, the original Water Content— Monthly 7. Hydrophilic Emulsifier Immersion, Weekly 7. The process used for reexamination shall be at least as per 7. If the per 7. Special UV lighting Daily 7. B examination is not flooded with solvent. Immediately measure The maximum time between verifications or checks may be extended when substantiated by technical data and approved by the Cognizant Engineering the discontinuity using a measuring or comparison device and Organization.

C Not required for Method C examinations. Refractometer values obtained shall be 7. For immersion applications, the concentration, as AMS shall be verified, usually by a certified report from percent of volume, shall be no higher than that specified by the the supplier.

Use of materials not conforming to AMS penetrant system supplier and shall not exceed that for which shall require approval by the cognizant engineering organiza- the system was qualified. Caked dry fied in 7. To check for materials at the intervals specified in Table 1. Operators shall fluorescence, apply a thin layer of in-use developer to a 4-in.

Dry developer exhibiting ten or more fluorescent believe the quality of the penetrant may have deteriorated. The test panel selected shall be non- quality of materials has been established. Immerse a clean evidence of contamination or breakdown.

When any of the aluminum panel, about 3 by 10 in. Observed shall be discarded or otherwise corrected, as appropriate. Tests shall be in accordance with Test 7.

Concentration shall be in accordance with the manu- as appropriate. Penetrants—The water content of water-based Method A 7.

The water content must be maintained Table 1. The resulting indications will then be compared to penetrants shall be checked at the intervals specified in Table 1 the indications obtained using unused penetrant, emulsifier if in accordance with Test Method D95, Test Method D, or used and developer.

Unacceptable materials shall be discarded or Annex A1. A longer period may be used if a plan if applicable. Black lights shall be checked at the intervals specified Removability—When required in accordance with 7. The test shall be produce a peak wavelength at to nanometers as performed using a sample of unused penetrant serving as a measured with a spectroradiometer.

When requested, the reference. Place a streak of the unused reference sample on one manufacturer shall provide a certification thereof. Allow the panel to drain for five example, micro-discharge, LED, etc.

Dry intensity that may result in fluorescent fade, veiling glare, etc. If all of which can significantly degrade examination reliability.

The white light reading shall not exceed 2 fc be tested using an unused sample of the same brand of [ The test shall be conducted 7. When using borescopes or remote video Allow both panels to drain for five minutes and then wash examination equipment, the image or interpretation area being using the temperature, pressure and wash times used on the viewed shall have sufficient resolution to effectively evaluate examination line.

Dry both panels, coat with developer, and the area of examination. If the background is visibly greater 1 Battery powered black lights used to inspect parts shall than that of the reference system the emulsifier shall be have their intensity measured prior to use.

The components should be drained of excess water but not dried before the application of aqueous soluble or suspendable developers. The components shall be dried after the application of aqueous developers. Oven temperatures shall not exceed that speci? Drying time shall only be that necessary to adequately dry the part.

Components shall be removed from the oven immediately after drying. Type I penetrants that are quali? Minimum and maximum penetrant bleedout times without developer shall be 10 min and 2 h respectively.

When developer is used, components that are not inspected before the maximum bleedout time shall be cleaned and reprocessed.

When developer is not used, components that are not inspected before the maximum bleedout time shall be reprocessed. Dry developer shall be applied in such a manner as to contact all surfaces to be inspected. Excess dry developer may be removed after the development time by light tapping or light air blow-off not exceeding 5 psi.

QPL-AMS2644

Minimum and maximum developer dwell times shall be 10 min and 4 h, respectively. Dry developers shall not be used with Type II penetrants.

Nonaqueous developer shall be applied by spraying. For Type II penetrants, the developer shall be applied over the entire surface to form a uniform, white coating to provide suitable color contrast for the penetrant indications.

The uniformity and thickness of the developer coating is important for both types of penetrant systems. If the developer coating thickness is too heavy for Type I systems such that the metallic surface is completely masked, the component shall be cleaned and reprocessed. Unless otherwise speci? For nonaqueous suspendable developer, the developer container shall be frequently agitated during application. Aqueous developers may be applied to the component after rinsing.

Developers shall be applied by spray,? The applied developer shall not be allowed to puddle and shall completely cover all surfaces to be inspected. Components shall be air dried or oven dried to the requirements of 7.

Minimum and maximum development times, after the component is dry, are 10 min and 2 h. Aqueous suspendable developers must be either constantly agitated to keep the particles from settling out of suspension or they must be thoroughly agitated prior to use to ensure that particles are in suspension. Components shall be inspected before the maximum developing time, and if required by speci? Components not inspected before the maximum developing time shall be cleaned and reprocessed.

Longer times for more complete adaptation should be used if necessary. Inspectors shall not wear photochromic or permanently darkened lenses while processing or reviewing parts under black light.

All areas of? Components with no indications or only nonrelevant indications shall be accepted. Components with relevant indications shall be evaluated with respect to the applicable acceptance criteria. Components with excessive background? Components with excessive background shall be cleaned and reprocessed.

Redevelopment time shall be at least ten minutes, except nonaqueous redevelopment shall be three minutes minimum.

If no indication reappears, the original indication is considered false. This procedure may be performed twice for any given original indication. After the mechanical operation, the area shall be cleaned, etched if permitted , and reexamined.

The process used for reexamination shall be at least as sensitive as the original process. If the acceptance criteria is written in terms of discontinuity or? Measure the indication size at its largest dimension with a measuring device and the appropriate light that meets the requirements of 6. Immediately measure the discontinuity using a measuring device and the appropriate light that meets the requirements of 6.

The frequencies of the required checks in Table 1 are based on a facility operating daily. For facilities operating less frequently, the frequency of daily and weekly checks and those required at the start of each shift may be reduced accordingly, but must be performed prior to processing of parts.

QPL-AMS2644

Monthly and quarterly checks shall be performed at the same frequency as for full-time operations. The NDT facility may perform these process control operations or contract for their performance with an independent, laboratory. Records of tests, except as noted in Table 1, shall be maintained and available for audit by the customer, the cognizant engineering organization, or regulatory agencies. Penetrant materials that are provided ready-for-use and do not require mixing to a concentration, and are not recovered, or reused, or both, such as materials packaged in aerosol containers, closed drums or materials poured into containers for use and are not reused are not subject to the in-use penetrant requirements of 7.

The maximum time between veri? C Not required for Method C examinations. Use of materials not conforming to MIL-I or AMS shall require approval by the cognizant engineering organization prior to use and shall be allowed only when materials conforming to MIL-I or AMS are inadequate for the particular application.

Operators shall be alert to any changes in performance, color, odor, consistency, or appearance of all in-use penetrant materials and shall conduct the appropriate checks and tests if they have reason to believe the quality of the penetrant may have deteriorated.

Penetrant examination shall be conducted only after acceptable quality of materials has been established. When any of the above conditions are detected, the material shall be discarded or otherwise corrected, as appropriate. If the in-use emulsi? A longer period may be used if a plan justifying this extension is prepared by the NDT facility and approved by the cognizant engineering organization.

Refractometer values obtained shall be compared to actual values obtained from known concentrations of emulsi? For immersion applications, the concentration, as percent of volume, shall be no higher than that speci? Caked dry developer is unsatisfactory and shall be replaced. To check for? Dry developer exhibiting ten or more?

Immerse a clean aluminum panel, about 3 by 10 in. The check shall be performed by processing a known defect standard through the system using in-use penetrant, emulsi? The resulting indications will then be compared to the indications obtained using unused penetrant, emulsi?

This comparison may be made with records of previously obtained indications or with a similar known defect standard processed with unused materials from a hold-out sample. When required by the CEO or when the sensitivity or performance of the in-use materials falls below the performance of the unused materials, the in-use materials shall be checked in accordance with paragraphs 7. The user shall ensure that cleaning of the standards between uses is adequate and that physical changes in the standard that make it unrepresentative of the indications found using the hold-out sample are detected.

The test shall be performed using a sample of unused penetrant serving as a reference. Place a streak of the unused reference sample on one portion of a panel and a separate streak of the in-use penetrant on a separate area of the panel. Share or Embed Document. Description: pdf. Liquid penetrant examination of non-porous materials 1. Therefore, when you read about download and print. E - 12 Standard Practice for Liquid Penetrant Examination for General Industry , fluorescent liquid penetrant testing, hydrophilic emulsification.

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