1-20 of 219 Search Results for

mechanical constraints

Sort by
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
... and to achieve the targeted integrity. The engineered geometry is comprised of design for: Product function, assembly, and space constraints; Mechanical properties to meet the load requirements; and Manufacturability to achieve the quality and cost targets. The target microstructure...
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...
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
... Abstract Fracture mechanics is a well-developed quantitative approach to the study of failures. This chapter discusses fracture toughness and fracture mechanics, linear-elastic fracture mechanics, and modes of loading. The discussion also covers plane strain and stress and crack growth kinetics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410009
EISBN: 978-1-62708-280-8
..., with the attachment constraints. Figure 2.3 is a schematic illustrating the inputs and outputs of the finite element analysis (FEA). Fig. 2.3 Design concept model and stress analysis The inputs to the analysis are the loads and constraints. The output of the stress distribution in the component helps...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
... Abstract This chapter compares and contrasts the high-temperature behaviors of metals and composites. It describes the use of creep curves and stress-rupture testing along with the underlying mechanisms in creep deformation and elevated-temperature fracture. It also discusses creep-life...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860035
EISBN: 978-1-62708-338-6
... over other manufacturing processes, including being one of the few automated processes available that is capable of delivering excellent mechanical properties from continuous aligned fibers. The main winding process limitations are the geometric constraints on being able to productively wind general...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540169
EISBN: 978-1-62708-309-6
... configurations. However, in stress field analysis, employment of either of these constraints allows for two-dimensional solutions of three-dimensional problems, which provides the foundation for linear elastic fracture mechanics theory as it is applied today. In fracture mechanics terminology, the terms...
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
... Abstract Fracture mechanics is the science of predicting the load-carrying capabilities of cracked structures based on a mathematical description of the stress field surrounding the crack. The fundamental ideas stem from the work of Griffith, who demonstrated that the strain energy released...
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
... actual components), accuracy of heat treatment, and so on all play a role in the value determined for a given mechanical property. Mechanical-property data are more prone to variation according to the preceding variables than are physical property data. On the other hand, physical property data...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780055
EISBN: 978-1-62708-281-5
... for design and material selection. Engineering plastics are now used in applications where their mechanical performance must meet increasingly demanding requirements. Because the marketplace is more competitive, companies cannot afford overdesigned parts or lengthy, iterative product-development cycles...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060223
EISBN: 978-1-62708-343-0
.... A wide variety of fiber/matrix systems have been demonstrated with increased structural performance, which has, on occasion, sharply offset higher fabrication, evaluation, and structural analysis costs. Greatest successes have been achieved when the stress state is predominately for mechanical loading...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170003
EISBN: 978-1-62708-297-6
... and to ensure production of sound welds. Another factor that must be considered, however, is the mechanical constraint on the freezing metal that the weld joint produces. If there are any low-melting second-phase materials in the grain boundaries, hot tears can form in these regions as the weld metal shrinks...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200133
EISBN: 978-1-62708-354-6
... of mechanical and thermal loads, stress concentrations, assembly constraints, etc. In some cases foundries may perform mechanical engineering evaluations in conjunction with casting quality improvements. Such capability will further improve the Concurrent Engineering process. Finite Element Analysis (FEA...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060195
EISBN: 978-1-62708-355-3
.... The additional constraint induced by the hoop direction continuity tends to increase the measured strengths and decrease the measured ductilities for tube welds tested in this manner compared to a similar joint between flat sheets. This chapter was adapted from: • Shoberg R.S. , Mechanical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500289
EISBN: 978-1-62708-317-1
... crimping self-pierce riveting MECHANICAL JOINING is a process where two or more components are held together through the use of either an integral feature of components or through fasteners. In these types of joining, loads are transferred from one component to another through the development...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130001
EISBN: 978-1-62708-284-6
..., and various types of heat treatments may be employed to meet design requirements for mechanical strength, corrosion, wear, and so on. Heat treatments include stress relieving, austenitizing, normalizing, annealing, quenching, and tempering (Ref 1) . Heat treating may also involve chemical or additional...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060137
EISBN: 978-1-62708-355-3
... Abstract The testing of plastics includes a wide variety of chemical, thermal, and mechanical tests. This chapter reviews the tensile testing of plastics, which has been standardized in ASTM D 638, "Standard Test Method for Tensile Properties of Plastics," and other comparable standards...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700177
EISBN: 978-1-62708-279-2
.... Such stresses do not disappear when parts relax and all external constraints are removed. Some stamped parts produce significant residual stresses that create large springback when allowed to relax. Springback in a stamped part results from essentially stretch-bend forming. The stretch portion varies...