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adherend defects

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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
... and presents drawbacks and limitations of these techniques. Generic flaw types and flaw-producing mechanisms are listed in a table. The article discusses metal-to-metal defects, adherend defects, honeycomb sandwich defects, repair defects, and in-service defects. It reviews the methods applicable...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001466
EISBN: 978-1-62708-173-3
... is of the consistency now used widely in floor-scrubbing pads, which is a little finer than that used in rotary discs for stripping rust from automobiles before repainting. Sources of Defective Bonds A major source of defective bonding of composite adherends is the omission of a thorough mechanical abrasion...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003384
EISBN: 978-1-62708-195-5
... to the adherends and not to the adhesive. The same is true when structures so thick that they should not be bonded are bonded and then are protected by fail-safe mechanical fasteners. Any initial flaws or damage will unzip sufficiently to enable some of the fasteners to pick up the load through the defective area...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005551
EISBN: 978-1-62708-174-0
... giving rise to adhesion are usually strong primary bonding forces arising from the tendency of the atoms of most chemical elements to attract one another. In both cases, the chemical agent is known as an adhesive, while the base parts involved in the joint are known as adherends. The overall joining...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003489
EISBN: 978-1-62708-195-5
..., the substrates (or adherends) are overlapped to place the adhesive in shear. Figure 1 shows some typical joint designs for adhesively bonded joints of composite-to-metal substrates. Fig. 1 Typical secondary adhesively bonded joint configurations. (a) Single lap joint. (b) Tapered single lap joint. (c...
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
... information on materials, processing, or design defects that might cause premature failure. Accurate analytical prediction of failure load and mechanical behavior of structural elements is also more important than at the coupon level, because the element behavior may represent a discrete part...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003047
EISBN: 978-1-62708-200-6
... In discussions of adhesives and adhesion, common words are often used to describe specific concepts that might be quite different from their casual meaning. Figure 1 shows an idealized adhesively bonded assembly. The terminology, as defined in ASTM D 907-89, has the following meaning ( Ref 1 ): Adherend...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003487
EISBN: 978-1-62708-195-5
..., initiators, light stabilizers, and adhesive strength. Strength of the bond be- (with a low material loss and char rate) ame retardants. See also ller. tween an adhesive and an adherend. through a decomposition process (pyrolysis) adherend. A body that is held to another body, adhesive, structural. See...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003452
EISBN: 978-1-62708-195-5
... strength, as may occur with composite adherends, this design strategy may be unconservative. If the repair demonstrates adequate static strength, it should not be the weak link in the structure if maximum load is applied. Checks should also be made on the expected crack growth of the defect, using...
Book

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.9781627081955
EISBN: 978-1-62708-195-5
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006530
EISBN: 978-1-62708-207-5
... determines the strength of the chain. The links themselves differ entirely from each other, as described subsequently and illustrated in Fig. 2 . The chain consists of: Metal adherend: A body held to another body by an adhesive Substrate: A material upon the surface of which an adhesive...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.9781627082006
EISBN: 978-1-62708-200-6
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003391
EISBN: 978-1-62708-195-5
... examination of secondary loading effects. As verification of load path modeling is of primary importance, the effects of factors such as environment, damage, and defects are often not assessed at this level ( Ref 1 ). It should be noted that tests performed at the structural element level and above produce...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003068
EISBN: 978-1-62708-200-6
... intermediate-temperature-setting adhesive. cementing medium to form hydraulic-cement concrete a chemical reaction. The activation energy may be adhesive joint. Location at which two adherends are or mortar. calculated from the slope of the line obtained by plot- held together with a layer of adhesive. See also...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0005585
EISBN: 978-1-62708-170-2
..., such as plasticizers, initiators, light stabilizers, and flame retardants. adherend. A body held to another body by an adhesive. See also substrate. adhesion. The attractive force that exists between a deposit and its substrate that can be measured as the force required to separate a deposit and its substrate...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.9781627081702
EISBN: 978-1-62708-170-2
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002478
EISBN: 978-1-62708-194-8
... directions. For uniaxially and biaxially stressed elements, the performance levels possible with composites cannot be matched by other materials. Structure/Property Relationships A structure can be analyzed from the scale of atoms, unit cells, point and line defects, optical microstructure, beams...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003458
EISBN: 978-1-62708-195-5
... method will identify any apparent repair scheme deficiencies. At the least, a visual inspection of adhesive fillet flow and an acoustic-hammer tap test should be done to indicate gross defects. Step 9: Document the Repair Scheme Repair documentation is required of repair management and design...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005646
EISBN: 978-1-62708-174-0
... between thermal spray deposits and sub- weld. strate, or between adhesive and adherend in an adhesive bonded joint. *Adapted from Glossary of Terms, ASM Handbook, Volume 6, Welding, Brazing, and Soldering, ASM International, 1993. Glossary of Terms / 883 bottle A nonstandard term for gas cylinder. C cone...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.9781627081740
EISBN: 978-1-62708-174-0