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macro titanium weldments

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... Abstract This article briefly reviews the general causes of weldment failures, which may arise from rejection after inspection or failure to pass mechanical testing as well as loss of function in service. It focuses on the general discontinuities observed in welds, and shows how some...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... Abstract Mechanical testing is an evaluative tool used by the failure analyst to collect data regarding the macro- and micromechanical properties of the materials being examined. This article provides information on a few important considerations regarding mechanical testing that the failure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... perceptible to the naked eye B 311 (a) Dispersed, spongy dendritic shrinkage within walls of casting; barely perceptible to the naked eye Macro- or micro- shrinkage, shrinkage porosity, leakers Discontinuities C 100: Discontinuities, generally at intersections, caused by mechanical...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
... plastic flow has preceded fracture. It is tempting to associate slip deformation—that is, the glide of dislocations—with ductile behavior and to associate no dislocation motion (i.e., no plastic deformation) with brittle cleavage behavior. The problem is one of scale. If there is no macro- or microscale...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003538
EISBN: 978-1-62708-180-1
... deformation) with brittle cleavage behavior. The problem, of course, is one of scale. If there is no macro- or microscale evidence of deformation, it is tempting to assume brittle behavior. However, considerable evidence suggests that that is not a workable distinction. Estimates of the yield strength of...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... adversely affected by more noble materials. The fact that they polarize readily tends to reduce their galvanic effects on less noble materials. Reactive metals (titanium, zirconium, and tantalum) are extremely noble because of their passive films. In general, these alloys are not susceptible to...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006768
EISBN: 978-1-62708-295-2
... metal on the unmasked side from shot peening a nickel alloy weldment. Source: Ref 40 X-ray diffraction techniques can thus be used to characterize the stress state of components that may be susceptible to SCC either before or after they have been put into service. In the case of corrosion...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... stable, they occupy a more active position and can be adversely affected by more noble materials. The fact that they polarize readily tends to reduce their galvanic effects on less noble materials. Reactive metals (titanium, zirconium, and tantalum) are extremely noble because of their passive...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... the component geometry. Mechanical conditions and metallurgical features can influence the appearance of MVC. Examples are shown for a ferritic steel ( Fig. 1a ), ductile iron ( Fig. 1b ), and cast titanium alloy ( Fig. 1c ). The dimple features are evident in equiaxed form for tensile loading ( Fig...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
.... Nonetheless, some design guidelines for weldments (which inherently contain discontinuities) offer what amount to residual life and runout determinations for a variety of process and joint types that generally follow the safe-life, infinite-life approach. The advantages of this method are simplicity and ease...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... appearance of MVC. Examples are shown for a ferritic steel ( Fig. 1a ), ductile iron ( Fig. 1b ), and cast titanium alloy ( Fig. 1c ). The dimple features are evident in equiaxed form for tensile loading ( Fig. 1a , b ). Parabolic or elongated shear dimples occur from torsional loading ( Fig. 1c ) or from...