E / EM Standard Practice for Liquid Penetrant Testing for General Industry Standard + Redline PDF Bundle, 38, $, ADD TO CART. (Identical with ASTM Specification E ). 1. Scope. This test method covers procedures for penetrant examination of materials. They are nondestructive. dealing with the liquid penetrant examination of materials and amination Using the Lipophilic Post-Emulsification Pro- This test method is under the jurisdiction of ASTM Committee E07 on Annual Book of ASTM Standards, Vol Nondestructive Testing and is the direct.
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ASTM E pdf - Download as PDF File .pdf), Text File .txt) or read online. Home; ASTM E/EM $; Add to Cart. Printed Edition + PDF;; Immediate download; $; Add to Cart. E Test Method for Liquid Penetrant Examination4. E Practice for 1 This practice is under the jurisdiction of ASTM Committee E-7 on Nonde- structive.
A minimum light intensity at the fluorine. An alternative procedure. Reflectors and filters shall also be the need to restrict certain impurities such as sulfur. Special Requirements 8. The residue may lenses shall not be worn during the processing and examination also be analyzed by Test Method D or Annex A2 on of parts. Because of the short contact time.
Some cleaning solvents are flammable oily films. Parts cleaned by the saponifying various types of soils. It should be especially when used as a hand-wipe solvent or as a dip-tank used with water and detergent if the soil to be removed is degreasing solvent. Solvent cleaners are not recommended for inorganic rust.
A test piece containing one or procedure see These solvents should be residue-free. Keywords piece may contain real or simulated discontinuities. Detergent cleaners may be alkaline. It will not disintegrating-type hot-tank alkaline paint strippers. It will remove inorganic soils and many penetrant. Alkaline cleaner compounds must be used in accordance with lected surfactants for wetting. Hot cleaning methods are recommended: The cleaning properties of detergent solutions facili.
The following ing. In most remove inorganic-type soils dirt. Cleaning time should be as recommended by the organic soils from the surface of parts.
After ultrasonic cleaning. When agreed upon by the contracting parties. E — 09 surface of the metal. The method is applicable only to materials that are A2. Wet developer coatings can may decrease the effectiveness of the penetrant testing by smearing or peening over metal surfaces and filling disconti. These processes can be removed with water rinsing. Solvent soaking 15 min minimum.
Both types of solvent paint removers are generally used at ambient temperatures. Materials used in the containing oxygen under pressure see A2. After paint removal. Its and construction and in good mechanical condition.
The chlorine bomb assembly. In some cases. The maximum mechanical milling. The soluble developer coat- A1. After baking. Acids and chromates can adversely affect the fluorescence of fluorescent materials. Such follow with a solvent soak. The inner surface of the bomb may be made A2. The full amount of these elements will not be reported. Chromate A2. If these elements are protection be provided against unforeseeable contingencies.
It is remains open. Dissolve 50 g of anhydrous Na2CO3 or American to 38 3. Kawin capsule form. A The minimum pressures are specified to provide sufficient oxygen for com- MD. It is difficult to vided it is first ascertained that the reagent is of sufficiently rinse the last traces of chlorine from the walls of the bomb and the high purity to permit its use without lessening the accuracy of tendency for residual chlorine to carry over from sample to sample has the determination.
Use of a sample weight containing over 20 mg of chlorine may cause corrosion of the bomb. When a sample high in chlorine has preceded one low in chlorine content.
After each use. Use 0. Close firing wire approximately mm in length. Before using the bomb. BDH Ltd. Admit oxygen see Note A2. If the sample is solid.
Connect the terminals to the open electrical circuit. Coil the middle the circuit to ignite the sample. A satisfactory method for A2.
Some solid additives are Unless otherwise indicated. Pharmaceutical Convention. Remove the bomb from the section about 20 mm and attach the free ends to the terminals. American Chemical Society Specifications. Open the determination. This dullness should be in hot water for 1 h. Open the bomb and examine the contents. Assemble the bomb and tighten A2.
Reagents of the American Chemical Society. Release the Arrange the coil so that it will be above and to one side of the pressure at a slow.. For suggestions on the testing of reagents not to 35 3. This procedure will remove all but very deep pits and put sufficient current to ignite the nylon thread or cotton wicking a high polish on the surface.
E — 09 wide-form with an outside diameter of 29 mm at the top.
Washings titration of the reagents only. This is done by titration of a known A2. This dilute reagent should not be used A2. Prepare a mixture of the amounts of 4. Calculate the normality water. Method A. Allow a few seconds stirring. Subtract the second reading from the first.
The maximum differential is taken as the end point. Coulometric Titration with large samples or where chlorine content may be over 0. The total higher. Rinse any residue into the beaker.
Potentiometric Titration making the end point very difficult to detect. The large amount of A H2SO4 solution. Add methanol to make A2. Add mL of where: Liquid samples A2. Continue adding 0. Follow normal procedure. Place the electrodes in the solution. Automatic titrators continuously ries should not be considered suspect unless they differ by stir the sample.
Add exactly 0. The purpose of items A2. Repeatability and sensitivity of the method the blank run is to measure the chlorine in the white oil. Method B. Pipet in 5. A typical mixture is 2. Gently heat with continuous mixing tion in the sample as follows: Determine 0. This modified process eliminates the interference and does not contains the 50 g of washings including the decomposed alter the quality of the titration.
Keep the remainder in a refrigerator. This is dependent on the A2. Fluorine will not be detected. Dry a A2. Weigh out 5. A typical mixture consists of 6 g of gelatin powder. If iodine is present. Add A2. The total amount of washings should be 50 6 1 g. When ready to use. Stir to dissolve and then adjust the A3. Coil the middle gage. Place 10 mL of sodium citrate solution in the without melting the wire. Cool and dilute to 1 L.
Eppendorf-type Note A3. Insoluble residue after 4. Total Ionic Strength tion. Open type that remains open.
Stock ppm —Dissolve solubility of their respective fluorides. Materials used in the store in a polyethylene container. The inner surface of the bomb may be made A3. Unless otherwise indicated. Its range of A3.
The switch in the ignition circuit should be of a 15 s to distribute the solution over the inside of the bomb. F Fluorine. Close the circuit to ignite the sample. Rinse the walls of the bomb A3.
The sample weight used should not and add the washings to the flask. If the sample is a solid. Assemble the bomb and tighten the A3. Admit oxygen see Note A3. NOTE A3. It is recommended to not add oxygen or ignite the sample if the bomb has been jarred. It provides a single instrumental technique for rapid. This may be as little as 5 min other fluorine-free combustible material. The 20 to 50 0. Remove the bomb from the where: E — 09 wire and the sample. Materials used in the NaHCO3 and 1. To resolve uncertain- particulates or organics.
Sample 4 3 50 mm. The separated anions in their acid form are measured by sample loop. An electronic peak integrator is a similar fashion. A high concentration of any one A4. Spurious peaks may result from contaminants in resin capable of converting eluant and separated anions to their reagent water. They are identified on the basis of retention time temperature-compensated small-volume conductivity cell 6 as compared to standards.. Similar values may be achieved by using Society.
The inner surface of the bomb may be made A The sample is height. This solution is with fine. The products liberated are absorbed in the eluant longer lasting than platinum. NOTE A4.
For example. Because small sample volumes are used. Blanks are prepared and analyzed in response of 2 s or less. The anions of interest are separated sufficient current to ignite the nylon thread or cotton wicking on the basis of their relative affinities for a low capacity.
Admit oxygen see Note A If traces of unburned oil or sooty deposits are found. Store in plastic bottles in a refrigerator. Prepare fresh daily. Adjust detector offset to zero-out firing wire approximately mm in length. High determination. Assemble the bomb and tighten the A The minimum pressures are specified to provide sufficient oxygen for com- cover securely.
Inject at exceed 1 g. To avoid this it is recommended that for Recalibrate whenever the detector setting is changed.
Open anion or a mixture and determine approximate retention times. IC analysis. Coil the middle eluant conductivity. Arrange the coil so that it will be above and to one side of the A4. Low the flask. A stable base line indicates A4. Prepare fresh daily.. E — 09 amount of salt. Do not use more than 1 g total of sample and white oil or other mmA max fluorine-free combustible material.
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If sample adjustments are made. Your comments will receive careful consideration at a meeting of the responsible technical committee. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised. In this type of system the water dip see NoteNote area of standard. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards.
Using a prewashed syringe of 1 to 10 mL NO2 0. ASTM E Flag for inappropriate content. Related titles. Jump to Page. Search inside document. Amit shah. Farhan Ahmed. Sai Fujiwara. Shreenivas Thakur. Sani Tipare. Ashwin B. Originally 3 approved in Last previous edition approved in as E - Each of the various penetrant Particle Methods methods has been designed for specific uses such as critical 2. The sensitivity of fluores- Test Personnel7 cent penetrants depends on their ability to be retained in the 2.
Fluorescent indications are many times als, Penetrant brighter than their surroundings when viewed under appropri- ate black light illumination. Terminology 6. The which appear in Terminology E, shall apply to the terms penetrant is usually red, so that resultant indications produce a used in this practice. Summary of Practice Visible penetrant indications must be viewed under adequate white light.
The liquid penetrant is applied evenly over the 7. Materials surface being examined and allowed to enter open discontinui- 7. After a suitable dwell time, the excess surface penetrant is cent or visible penetrants, emulsifiers oil-base and water- removed.
A developer is applied to draw the entrapped pen- base , removers water and solvent , and developers dry etrant out of the discontinuity and stain the developer. The test powder, aqueous and nonaqueous. A family of liquid penetrant surface is then examined to determine the presence or absence examination materials consists of the applicable penetrant and of indications.
AMS can be used, regardless of the manufacturer. Inter- NOTE 2Fluorescent penetrant examination shall not follow a visible mixing of penetrants and emulsifiers from different manufac- penetrant examination unless the procedure has been qualified in accor- turers is prohibited. NOTE 3Refer to 9. Significance and Use and cannot be removed with water rinsing alone. They are 5. Box , Arlingate Ln. Properly applied and given a proper with fluorescent penetrant, as the contaminated developer emulsification time, the emulsifier combines with the excess specks can appear as penetrant indications.
Proper emulsification time must be water suspendable or dissolved water soluble in water. The experimentally established and maintained to ensure that concentration, use and maintenance shall be in accordance with over-emulsification does not result in loss of indications. Water soluble developers 7.
Because the emulsifier is built- NOTE 5Aqueous developers may cause stripping of indications if not in, water-washable penetrants can be washed out of disconti- properly applied and controlled.
The procedure should be qualified in nuities if the rinsing step is too long or too vigorous. It is accordance with Some penetrants are less resistant to overwashing a nonaqueous solvent carrier ready for use as supplied. Nonaqueous, wet developers are sprayed on to form a thin 7.
This thin coating excess surface penetrant can be removed by wiping until most serves as the developing medium. The remaining traces should be removed with the solvent remover see 8. Flushing the 7. These ited as the penetrant indications could easily be washed away. Certain types of film developer may be 7. The individual characteris- 8. These water- qualified at the temperature used as described in Such operations include, but are not limited to, excess penetrant film from the surface of the part through grinding, welding, straightening, machining, and heat treating.
The individual characteristics of the emulsifier and 8.