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metallurgical constraints

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230143
EISBN: 978-1-62708-351-5
... Abstract This chapter considers the role of materials in brazing operations and the manner in which they impact on the choice of processing conditions and their optimization. The concepts covered are metallurgical and mechanical constraints, and constraints imposed by the components...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440145
EISBN: 978-1-62708-352-2
... Abstract This chapter considers the materials and processing aspects of soldering and the manner in which these interrelate in the development of joining processes. It discusses the processes involved in eliminating or suppressing metallurgical and mechanical constraints as well as constraints...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320001
EISBN: 978-1-62708-332-4
... processes, as well as the casting cooling rate, influence the microstructure. Metallurgical and process engineers need to be familiar with molding options, including the techniques for filling the mold cavity and feeding the shrink porosity, that are inherent to metal solidification. Figure 1.1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
..., slip becomes easier, new slip systems become available, and dislocation climb is aided by both increases in temperature and by the presence of a greater number of vacancies. Deformation at grain boundaries also becomes a possibility. The metallurgical stability of the alloy can become an issue...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280353
EISBN: 978-1-62708-267-9
... Specialty Steel Industry of North America, Washington, D.C.; www.ssina.com The Minerals, Metals and Materials Society/American Institute of Mining, Metallurgical and Petroleum Engineers, New York, NY; www.tms.org Melting/ingot production, forming and/or mill products Special Metals Corporation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610055
EISBN: 978-1-62708-303-4
... of an incipient crack by enlargement and linkage of the voids Slip band deformation in ligaments between the voids For large particles relatively closely spaced, and especially in the presence of constraint, void coalescence typically occurs on the plane of maximum normal stress. This mechanism of void...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350087
EISBN: 978-1-62708-315-7
... the gun or the workpiece. Out-of-vacuum units usually involve shrouding the workpiece; a partial vacuum (10 –2 torr, or 13 Pa) is obtained in the work area by mechanical pumps. Laser-Beam Hardening Lasers can be used to perform selective hardening with hardening depths and material constraints...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130001
EISBN: 978-1-62708-284-6
... Abstract A systematic procedure for minimizing risks involved in heat treated steel components requires a combination of metallurgical failure analysis and fitness for service with respect to safety and reliability based on risk analysis. This chapter begins with an overview of heat treat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290001
EISBN: 978-1-62708-306-5
... of the available joining processes. Fig. 1.2 Typical adhesive-bonded joint configurations. Note that the adhesive is loaded in shear in all configurations. Source: Ref 1.2 Assembly imposes constraints on the design. The parts must be designed so that they not only can be assembled and joined...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540169
EISBN: 978-1-62708-309-6
... by metallurgical and environmental variables and loading conditions. It also examines the crack growth resistance curves of several aluminum alloys and describes the characteristics of fracture when all or some of the applied load is in the plane of the crack. crack-tip plasticity fracture resistance...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340117
EISBN: 978-1-62708-427-7
... (when the hot mill is ready) where the temperature will be measured and recorded. Hot Rolling The process of hot rolling aluminum affects the three major attributes of sheet and plate products: dimensional , metallurgical , and surface quality . Metallurgically, the action of repeated...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630257
EISBN: 978-1-62708-270-9
... in alloys Metallurgical microstructure Processing defects Operations defects Inclusions (oxides, sulfides, constituents) Casting pores Corrosion pits Large precipitates (carbides, intermetallics, dispersoids) Powder contaminants (hairs, ceramics, other metals) Wear/fretting damage...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860269
EISBN: 978-1-62708-348-5
... contributing to the fracture behavior of materials at cryogenic temperatures. Three approaches of elastic-plastic fracture mechanics are covered, namely the crack opening displacement, the J-integral, and the R-curve methods. The chapter also discusses the influence of thermal and metallurgical effects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180151
EISBN: 978-1-62708-256-3
... Abstract This appendix focuses on procedures, techniques, and precautions associated with the investigation and analysis of metallurgical failures that occur in service. It describes the steps of an orderly failure analysis from collecting and examining samples to performing mechanical...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230001
EISBN: 978-1-62708-351-5
... a weight penalty on the assembly. Another constraint on permissible joint configurations is the need for access to insert the clamping member. The method usually requires special mechanical preparation, such as drilling holes, machining screw threads, or perhaps chamfering of abutting surfaces...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610101
EISBN: 978-1-62708-303-4
... ys ) 2  for plane stress and (Eq 20) r p ≈ 1 6 π ( K σ ys ) 2  for plane strain As result of the constraint imposed by the triaxial stress state in plane strain, the plastic zone ( r p ) is less for plane strain than for plane...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440001
EISBN: 978-1-62708-352-2
... region. This places a severe restriction on the joint geometries that may be used and imposes a weight penalty on the assembly. Another constraint on permissible joint configurations is the need for access to insert the clamping member. The method usually requires special mechanical preparation...
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 that process, are discussed in this section. Discontinuities in Arc Welds Discontinuities may be divided into three broad classifications: design related, welding process related, and metallurgical. Design related discontinuities include problems with design or structural details, choice of the wrong...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... such as drilling, milling, cutting, and grinding Joining processes such as welding, soldering, and brazing The major focus of this chapter is on the metallurgical aspects of these basic metalworking technologies. In any process, the properties of the work material directly influence the methods...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180091
EISBN: 978-1-62708-256-3
..., (3) any constraints imposed, and (4) the goal or goals of the investigation. A discussion should be held to define these four criteria, which combine to immediately set the importance, direction, and expected results of the investigation. Priority Always discuss priority first, because...