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peel testing

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Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006574
EISBN: 978-1-62708-290-7
... with a discussion on the process fundamentals and process parameters of UAM. It then describes metallurgical aspects in UAM. The article provides a detailed description of a wide range of mechanical characterization techniques of UAM, namely tensile testing, peel testing, and pushpin testing. The...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005605
EISBN: 978-1-62708-174-0
.... These methods include peel testing, push-pin testing, and microhardness/nanohardness testing. The article also reviews the issues to be addressed in maintaining UAM fabrication quality. fabrication quality machining mechanical properties metal tape metallurgical properties microhardness...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003324
EISBN: 978-1-62708-176-4
... measurement of adhesive joint strength. These include qualitative tests, peel tests, lap shear tests, tensile tests, and adhesive fracture mechanics tests. adhesive fracture adhesive joints lap shear test mechanical strength peel test qualitative test tensile test MOST ENGINEERING DESIGNS...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003463
EISBN: 978-1-62708-195-5
... applying a piece of adhesive tape to the top lamina, peeling it off, and continuing in the same manner through the laminate, ply by ply. Each lamina can then be examined in an optical or scanning electron microscope (in the latter case, after applying a graphitic or metallic surface coat using a sputtering...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003436
EISBN: 978-1-62708-195-5
... Abstract This article introduces the principal methodologies and some technologies that are being applied for nondestructive evaluation of composite materials. These include ultrasonic testing (UT), air-coupled UT, laser UT, ultrasonic spectroscopy, leaky lamb wave method, acousto-ultrasonics...
Book Chapter

Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003280
EISBN: 978-1-62708-176-4
... done by applying a large force over a small distance (uniform tension) or a small force over a large distance (as in peeling or sliding). In a similar way, the fracture threshold also depends on the mode of separation, such as tension versus shear. Therefore, an adhesion test carried out in one mode...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003444
EISBN: 978-1-62708-195-5
... element level, these tests include bending of beams, transverse shear, transverse tension (or peel), and transverse compression (core compression in sandwich laminates). These beams may be solid laminates, stiffened sections (blade, hat, I), or sandwich beams with composite faces. Beam technology, in...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006026
EISBN: 978-1-62708-172-6
... coatings are portable, and testing can and is routinely done in the field. The tests listed in Table 2 evaluate two different adhesion properties, and they use different testing mechanisms. The tape and knife adhesion tests (ASTM D3359 and D6677) are used to evaluate the shear or peel strength of a...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009013
EISBN: 978-1-62708-185-6
... inhomogeneous deformation) Boundary layer lubrication studies Sheet metal forming Tearing (localized necking), wrinkling and earring, Lüders bands, orange peel, fracture Limiting dome height, tensile ( R , n values), punch (forming-limit diagram) Note: Besides thermomechanical testing, a number of...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003027
EISBN: 978-1-62708-200-6
... surface called orange peel. Scratches and digs may result from tool marks or material handling. They are specified in various ways by “limit samples” used for quality control purposes. In the optics industry, there is a cosmetic specification for scratches and digs in accordance with military standard MIL...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003441
EISBN: 978-1-62708-195-5
... should be noted that each test has its own set of problems. For example, failures in the double-cantilever beam test seldom occur solely in mode I (peel). In the past, different laboratories have used composite specimens with different resin content and fiber types, as well as different specimen...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003279
EISBN: 978-1-62708-176-4
... ability of two materials to remain connected to one another despite the application of external or internal body forces in various directions with respect to the interface. For example, different types of adhesion tests have been designed to measure resistance to peeling, shearing, and delamination. In a...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009008
EISBN: 978-1-62708-185-6
... materials exhibit some orange peel or surface roughening shortly after plastic flow begins. Fine networks of microcracks may also appear if the surface is observed at a magnification of approximately 30X. These cracks are stable and do not grow in size as deformation progresses. They should be ignored...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003265
EISBN: 978-1-62708-176-4
... with load-cell ringing were discussed in the introduction to this article. In this section, the measurement of load and displacement at medium strain rates is described in more detail. In many materials, roughening or wrinkling of the surface (orange peel effect) occurs prior to compressive...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.9781627081764
EISBN: 978-1-62708-176-4
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003330
EISBN: 978-1-62708-176-4
... elongation requirements of the composite under the temperature and moisture conditions imposed by the test. Figure 4 shows the geometry of the ASTM D 3039 tension test specimen. Stress analysis of tabbed specimens ( Ref 11 , 12 ) indicates that intense out-of-plane peel and shear stress exist at the tip...
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
... section describes NDE methods commonly used for (MMCs). Defects and anomalies are generated unintentionally during two different situations: the manufacturing and the service life of the composite. Table 7 lists the possible defects in MMCs ( Ref 110 ). Table 8 lists some nondestructive testing...
Book Chapter

By Eugene Shapiro
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003268
EISBN: 978-1-62708-176-4
... surface for cracks. The test is complete when product specifications have been achieved. Specimens are examined for cracking at the apex of the bend with magnifications of up to 20×. A specimen is acceptable if there are no visible cracks on its outside surface. Surface rumples and orange peeling are...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005730
EISBN: 978-1-62708-171-9
... peeling out from surrounding metallic matrix at lower erosion angles ( Ref 38 ). Figure 27 shows a variable-angle erosion apparatus used for such investigations, and Fig. 28 shows the proposed lamellae-spallation mechanism, proceeding from nonbonded splat interfaces to propagation of such nonbonded...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005149
EISBN: 978-1-62708-186-3
... improves this condition. Heavily deformed sheet metal, particularly if it is coarse grained, often develops a rough surface texture commonly known as orange peel (see the article “Press Forming of Coated Steel” in this Volume). This is usually unacceptable in parts that are visible in service...