1-20 of 47 Search Results for

foreign objects inclusion

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006467
EISBN: 978-1-62708-190-0
... disadvantages of visual inspection. Test results depend on the alertness and eyesight of the operator and on his ability to judge the severity of the flaw. Other variables, such as magnetizing current, particle size, and contamination of the particle bath by foreign substances, can vary the intensity of the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003058
EISBN: 978-1-62708-200-6
... stress concentration around an inclusion of a foreign material is extremely difficult to evaluate because it depends not only on the shape of the inclusion but also on the thermal expansion and elastic mismatch between the inclusion and the matrix, and on the strength of the interfacial bond between the...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006455
EISBN: 978-1-62708-190-0
... plates, cylinders, and flanges. The article discusses various control methods, including the use of lead screens; protection against backscatter and scatter from external objects; and the use of masks, diaphragms, collimators, and filtration. The radiographic appearance of specific types of flaws is also...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003238
EISBN: 978-1-62708-199-3
... wires, unsoldered connections, foreign material, and misplaced components, whereas other methods are limited in ability to inspect semiconductor devices. Sensitivity of x-ray radiography, real-time x-ray methods, and gamma-ray radiography to various types of flaws depends on many factors, including...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005420
EISBN: 978-1-62708-196-2
... hot tearing. Inclusions are responsible for many serious surface defects and internal quality problems in cast products. They arise from foreign particles, such as eroded sand particles, and impurities remaining in the liquid metal after upstream refining...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006464
EISBN: 978-1-62708-190-0
.... 10 ). Fig. 10 (a) Unprocessed and (b) thermographic signal reconstruction first-derivative images of a five-ply carbon-fiber-reinforced polymer panel on aluminum honeycomb core with polymer foreign object debris at the skin-core interface In addition to signal enhancement for flaw...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006287
EISBN: 978-1-62708-169-6
..., zirconium, chromium, vanadium, scandium, nickel, tin, and bismuth. The article discusses the secondary phases in aluminum alloys, namely, nonmetallic inclusions, porosity, primary particles, constituent particles, dispersoids, precipitates, grain and dislocation structure, and crystallographic texture. It...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006448
EISBN: 978-1-62708-190-0
... materials, composites, and so on—in forms including (but not limited to) castings, weldments, forgings, and mechanical assemblies, are extensively inspected by radiography for cracks, broken wires, foreign material, misplaced and misaligned elements, and so on. Detection of features of a component or...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006457
EISBN: 978-1-62708-190-0
... room. The entrapped moisture, after curing, cannot be detected by NDT methods unless it results in porosity. Other defects that occur during fabrication can include: No adhesive film Protective film left on adhesive Foreign objects (inclusions) In practice, these conditions must be...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006478
EISBN: 978-1-62708-190-0
...-matrix composites Manufacturing type of defects In-service type of defects Density, fiber ratio, porosity, delaminations, contamination, interface quality, thermal cracking, fiber alignment, foreign inclusions, fiber cuts, bonding defects Impact damage, chemical/physical degradation, moisture...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003226
EISBN: 978-1-62708-199-3
... stereo binocular microscope. If residue is still left on the fracture surface, more aggressive cleaning procedures should be implemented in order of increasing aggressiveness. Because identification of foreign material present on a fracture may be important, many laboratories examine the original...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003244
EISBN: 978-1-62708-199-3
... obvious and can be easily corrected. Selection of the best etchant for a given specimen is more difficult, generally requiring trial and error based on past experience. The primary objective of a preparation procedure must be to produce a surface that fully represents the microstructure as it existed...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005682
EISBN: 978-1-62708-198-6
... invading pathogens, such as bacteria, and fungi, and consuming the foreign objects, such as debris from biomaterials, damaged tissue, and dead cells ( Ref 50 ). While basophils and eosinophils are responsible for releasing harmful chemicals to kill the attacking foreign parasites, the neutrophils help in...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005685
EISBN: 978-1-62708-198-6
... Preparation and Mounting in Surface Analysis.” In general, avoid touching the sample, especially the area of interest, with bare hands. Fingers inherently have organic and inorganic compounds that can contaminate the sample. Additionally, fingers may pick up foreign material and transfer it to the sample or...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006008
EISBN: 978-1-62708-172-6
...: Surface contamination by either moisture or foreign matter such as oil, grease, or silicone. Also known to happen when incorrect solvent blends have been used Prevention: Ensure surface is clean and free from grease, oil, and other contaminants prior to application of coating. Fig. 13 The...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.9781627081719
EISBN: 978-1-62708-171-9
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006449
EISBN: 978-1-62708-190-0
... … … Strip width X X … … … … X … … … … … Weld inclusions X … … X … … X X … X … X Weld underfill X … … … … … … … … … … … Weld voids … … … X … … X X … X … X Cold weld (pasty weld) … … … … … … … … … … … … Weld cracks (at surface) X...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006469
EISBN: 978-1-62708-190-0
... detect and map flaw edges. In the pulse-echo method, it is necessary that an internal flaw reflect at least part of the ultrasound energy onto a receiving transducer. The basic configuration and A-scan for a transducer on a plate is shown in Fig. 1(a) ( Ref 2 ). When there is a small defect, inclusion...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005260
EISBN: 978-1-62708-187-0
... mold closure caused by foreign material on mold faces or by distortion of the mold elements Variations in thickness of the mold coating Variations in temperature distribution in the mold Variations in casting removal temperature Long-term variables that occur over the life of the mold are...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005331
EISBN: 978-1-62708-187-0
... inclusions in magnesium-containing compositions. Studies have shown that proportionally increased beryllium concentrations are required for oxidation suppression as magnesium content increases. At higher concentrations (>0.04%), beryllium affects the form and composition of iron-containing...