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Fluid penetrant testing

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930023
EISBN: 978-1-62708-359-1
... Abstract This article describes the weldability tests that are used to evaluate the effects of welding on such properties and characteristics as base-metal and weld-metal cracking; base-metal and weld-metal ductility; weld penetration; and weld pool shape and fluid flow. It also describes...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300391
EISBN: 978-1-62708-323-2
... Abstract This chapter covers the tribological properties of different types of oil, greases, solid lubricants, and metalworking and traction fluids. It explains how lubricants are made, how they work, and how they are applied and tested. It also discusses the fundamentals of lubrication...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780131
EISBN: 978-1-62708-268-6
... the escape of lubricating fluids, which can result in overheating, friction-induced damage to mating parts, lockup of moving parts, and damage resulting from the escaping lubricant. Leaks can allow hazardous liquids or gases to escape. Leaks can result in loss of pressure or creation of excess pressure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
... of ferromagnetism or ferrimagnetism, either qualitatively (by simple hand application) or semiquantitatively (by use of a magnetic balance). Differentiation between magnetic and nonmagnetic particles in fluids (e.g., in lubricants) (technique known as ferrography) Rapid and simple sorting technique for metals (e.g...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
... of nondestructive inspection of weldments including visual inspection, liquid penetrant inspection, magnetic particle inspection, radiographic inspection, ultrasonic inspection, leak testing, and eddy current and electric current perturbation inspection. The chapter also describes the properties of brazing filler...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030117
EISBN: 978-1-62708-282-2
... of the fluid. These conditions can lead to segregation and concentration of the eroding particles. Examples of such rapid erosion are shown in Fig. 4 – 6 . Fig. 4 Hardfaced stainless steel plug and seat, from a slurry flow control valve, that were eroded by high-velocity flow through the narrow orifice...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050245
EISBN: 978-1-62708-311-9
... by cracks, nonbonds, inclusions, or interfaces Can penetrate thick materials; excellent for crack detection; can be automated Normally requires coupling to material either by contact to surface or immersion in a fluid such as water. Surface needs to be smooth. Adhesive assemblies for bond integrity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870401
EISBN: 978-1-62708-314-0
... composites are given in Table 15.2 . Note the severe effects of antifreeze and gasoline on the sheet molding compounds. The important point to remember is that any composite should be tested for fluid resistance using the fluids that it will, or by accident can, encounter in service. Interlaminar shear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
... be automated Normally requires coupling to material either by contact to surface or immersion in a fluid such as water. Surface needs to be smooth. Adhesive assemblies for bond integrity; laminations; hydrogen cracking Radiography Changes in density from voids, inclusions, material variations; placement...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930085
EISBN: 978-1-62708-359-1
... in three aerosol cans of penetrant, cleaning fluid, and developer. Unfortunately, solvents are a health hazard and should be applied only in well-ventilated areas. A safer alternative is the water-washable penetrant. When the geometry of the test piece is too complicated for an even coating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720393
EISBN: 978-1-62708-305-8
... are equivalent. Filtered Particle Crack Detection One proprietary process of filtered particle crack detection (Partek) involves brief immersion of the test piece in a suspension of fluorescent particles. Particles are filtered and collect near the surface of cracks as the fluid enters. Cracks are clearly...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870191
EISBN: 978-1-62708-299-0
... stress from fabrication Operating stress—static, variable, alternating Shape Joints, flanges Crevices, deposits Liquid containment and entrapment Compatibility Metals with metals Metals with other materials Quality control Movement Flowing fluids Parts moving in fluids...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930197
EISBN: 978-1-62708-359-1
... or softening range. An inclusion that is likely to become fluid enough at the nugget-fusion temperature to penetrate a grain boundary would be particularly damaging. Porosity Some inclusions may cause weld porosity, which is generally considered undesirable but is totally unacceptable if certain size...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
..., corrosion, machining, welding, fluid flow, and so forth. It is a condition-monitoring technique and is very useful in predicting failures. Computed Tomography (CT) In this technique, a thin beam of radiation, generally x-rays, is made to pass through the component and the image of a thin cross...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910331
EISBN: 978-1-62708-250-1
... considered The consequences of making a less-than-optimal selection The time available for evaluation Laboratory testing of candidate materials is common and in some cases may be the only means available for final determination. Wherever possible, the actual process fluids should be used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930039
EISBN: 978-1-62708-359-1
... of an indicator fluid that has a surface tension sufficiently low to be drawn into surface cracks too small to be detected visually. The excess dye or fluorescent material is then removed from the surface, but it remains in and highlights the cracks when a developer is applied. Figure 3 shows cracks in a flux...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390456
EISBN: 978-1-62708-459-8
... and extend the life of cutting tools based on the material of construction, the use of cutting fluids, and the means of lubrication. It presents various methods for evaluating workpiece materials, chip formation, wear, and surface finish in cutting processes such as turning, milling, and drilling. It also...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290099
EISBN: 978-1-62708-306-5
.... The composition of the molten metal is similar to that of the base metal. There are large temperature gradients across the melt. The weld metal shape is influenced by both the resultant heat and fluid (or metal) flow. Significant turbulence (i.e., good mixing) takes place in the molten pool. The heat input...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
... in Ref 1 to 14 . The initially oxygen-free geologic environment may be altered by a variety of oxygen-contaminated fluids that can be introduced. Examples are drilling fluids (often referred to as “muds”), which are used during drilling and maintenance of wells. These can include high-density clear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410001
EISBN: 978-1-62708-280-8
..., and even subassembly are at a significant advantage. Great strides have been made in applying finite element analysis (FEA) to structural product design. Finite element analysis and other methods have also been effectively applied to simulation of casting solidification and fluid flow. Recent advances...