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fabrication quality

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540391
EISBN: 978-1-62708-309-6
... Abstract Stress severity factors are used in design and analysis to account for stress concentrations, variations in material properties and fabrication quality, and other analytical uncertainties. They indicate the severity of stress in areas that are prone to crack development. This appendix...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860081
EISBN: 978-1-62708-338-6
... the current technology was derived. The discussion covers quality control requirements for composite fabrication technology and cleanliness standards in the workplace. It describes technology developed for specific components, including satellites struts, aircraft hydraulic cylinders, drill pipe, drive shafts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430351
EISBN: 978-1-62708-253-2
... Abstract Boiler tube failures associated with material defects are often the result of poor quality control, whether in primary production, on-site fabrication, storage and handling, or installation. This chapter examines quality-related failures stemming from compositional and structural...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200048
EISBN: 978-1-62708-354-6
... benefits ( Figure 3-1 ). Fig. 3-1 Schematic cost comparison between cast and fabricated components Also of major interest is the comparison of cast steel with wrought steel and weldments in terms of properties, availability, cost, and quality. Information on cast steel compared to other cast...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110666
EISBN: 978-1-62708-247-1
... Abstract This chapter surveys both basic quality and basic reliability concepts as an introduction to the failure analysis professional. It begins with a section describing the distinction between quality and reliability and moves on to provide an overview of the concept of experiment design...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200158
EISBN: 978-1-62708-354-6
... to the designer. They are: (1) the use of a cast component can simplify the production of a fabricated component by allowing the weld to be placed in a more accessible position, (2) the use of a cast component in a fabricated structure can reduce the weight of fabricated structures and position the weld in a low...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200144
EISBN: 978-1-62708-354-6
... joining sections which are characteristic of the manufacturing method. The L section and the box section of Figure 10-1 are found in numerous engineering structures. These sections can be cast or fabrication welded. The design and the quality of the weld or the casting could have considerable bearing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870101
EISBN: 978-1-62708-314-0
... prepreg films or adhesive layers are often used for autoclave-cured tools. Periodic vacuum debulking to consolidate the lay-up generally improves tool quality. Several different material systems have been used for fabricating composite tools: (1) wet lay-up in which a liquid resin is used to impregnate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
... into an infusible, insoluble material. This dictates that chemical methods must be used to control fabrication and that physical, chemical, and thermal testing must be performed on the starting materials rather than the finished product. The quality of thermoset hardware can only be assured by either...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... by concurrent engineering or integrated product definition (IPD) teams that consist of engineering, tooling, manufacturing, quality, and supportability personnel. Even the customers participate in preliminary, critical, and final design reviews. Design tools have also greatly improved. Computerized laminate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060175
EISBN: 978-1-62708-261-7
... pipes, tubes, plates, beams, nails, screws, machine tools, springs, wire, and so forth. Steels also are developed for improved characteristics during specific manufacturing or fabrication operations such as sheet forming, machining, and welding. There are many varieties of steels such as plain...
Book Chapter

By M. B. Kasen
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860413
EISBN: 978-1-62708-348-5
... as a quality control or screening test for composites fabricated by filament-winding processes. The specimen, in the form of a ring, is placed over a split circular disc, which is then separated to rupture the ring. This method gives only an apparent tensile strength as a result of the bending moment, which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110032
EISBN: 978-1-62708-247-1
.... In a large corporation, such as integrated device manufacturer (IDM), the FA organization may report to corporate or division quality. An individual fabricator (foundry) or design laboratory (fabless) may have its FA operation linked to its local quality/reliability operation. Manufacturing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870119
EISBN: 978-1-62708-314-0
... Abstract This chapter familiarizes readers with the many and varied thermoset composite fabrication processes and the types of applications for which they were developed. It describes wet lay-up, prepreg lay-up, and low-temperature vacuum bag curing prepreg processes, which are best suited...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030147
EISBN: 978-1-62708-349-2
... carbon fiber composite sectioned parallel to the fabric plane. The voids are very irregular and located mainly in the interstitial regions in the woven fabric. Achieving the best-performing composite part requires that the processing method and cure cycle create high-quality, low-void-content...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930141
EISBN: 978-1-62708-359-1
... depends to a rather large extent on the nature of the industrial application, that is, upon the size of the weldment and upon the quality of the welding and the postwelding procedures employed. The factors influencing the fatigue behavior of an individual weldment are reexamined in the first section...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290001
EISBN: 978-1-62708-306-5
..., or dip machines has been a preferred method for making high-quality, reliable connections for many decades. Correctly controlled, soldering is one of the least expensive methods for fabricating electrical connections. 1.6 Mechanical Fastening The primary function of a fastener system...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200220
EISBN: 978-1-62708-354-6
... Abstract Casting quality and consistency need to be carefully controlled. This chapter discusses the procedures that describe the process and product quality controls. In addition, it provides information on quality assurance programs. quality assurance quality control steel castings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200369
EISBN: 978-1-62708-354-6
..., whether utilized to finish a casting, overlay or buildup, or fabricate several castings into a single component, is an integral and vital part of the casting manufacturing process. One of the items of concern with respect to the welding of steel castings is the definitions which can be used. ISO and CEN...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030137
EISBN: 978-1-62708-349-2
.... 7.6 Cross section of a composite part made with glass fabric prepreg and two unidirectional carbon fiber prepreg materials having different thicknesses (areal weights) and fiber types. Slightly uncrossed polarized light, 10├Ś objective Fig. 7.7 Micrograph of an area in a composite part made...