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processing of shape memory alloys

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Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006836
EISBN: 978-1-62708-329-4
... the manufacturing process (wire drawing and wire pickling). Previous work has shown that the presence of manufacturing defects dramatically decreases the corrosion resistance of NiTi alloys, because they remove the protective titanium dioxide layer. Additionally, NiTi shape memory alloys in the potentiostatic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001690
EISBN: 978-1-62708-226-6
... shape memory alloys in the potentiostatic scratch tests present a difficult and slow TiO 2 repassivation process, 33 exposing the base metal to the selective dissolution of nickel and promoting pitting and crevice corrosion. 31 , 32 , 33 Finally, the chemical compositions of the Nitinol wires...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001841
EISBN: 978-1-62708-241-9
... stents fracture ultrasonic vibration damage stainless steel nitinol striations beach marks SEM analysis natural frequency 316L (austenitic wrought stainless steel) UNS S31603 nitinol (nickel-titanium shape memory alloy) UNS N01555 Background Case Study 1: 316L Stainless Steel Stent...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003566
EISBN: 978-1-62708-180-1
... incorporated into the manufacturing process for hammers. However, since about 1987, tool manufacturers have increased the size of the chamfer/radius on both striking and struck tools. The result is that the shape of the striking/struck end of some tools resembles a truncated cone, but with a convex contour...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006811
EISBN: 978-1-62708-329-4
... , SMST-2003 Proceedings of the International Conference on Shape Memory and Superelastic Technologies , 2004 , p 321 – 324 56. James B.A. , McVeigh C. , Rosenbloom S.N. , Guyer E.P. , and Lieberman S.I. , Ultrasonic Cleaning-Induced Failures in Medical Devices , J...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
..., Achievement of High Fatigue Resistance in Metals and Alloys , ASTM , 1970 , p 77 – 112 13. Melton K.N. and Mercier O. , Fatigue of NiTi and CuZnAl Shape Memory Alloys , Proc. Fifth Int. Conf. on the Strength of Metals and Alloys , Haasen P. , Gerold V. , and Kostorz G...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
... the temperature-time dependence of the microstructure formation process for the alloy being studied. Two of the most commonly used transformation diagrams are time-temperature-transformation (TTT) and continuous cooling transformation (CCT) diagrams. Time-Temperature-Transformation Diagrams Time...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006773
EISBN: 978-1-62708-295-2
..., with emphasis on structural analysis. However, the ongoing advances in computing power and speed have continued to reduce computational costs, where personal computers (PCs) with very efficient and strong computing-powered central processing units and enormous amounts of dedicated memory are quite readily...
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 Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001762
EISBN: 978-1-62708-241-9
.... Other documented axles with photographs were also re-inspected at this time with the same results, no dents. These dents are present in a fully martensitic structure which appears to have a shape memory effect [ 5 ] over a period of at least 5 years. Button dents were still present when the end...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003536
EISBN: 978-1-62708-180-1
... a useful instrument for serial sectioning of the replicas for 3D fracture surface reconstruction. However, care must be taken to minimize the distortion of the replica during the sectioning process. Dimples in fractured 2024 aluminum alloy have been studied using microtomed slices from replicas...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003526
EISBN: 978-1-62708-180-1
... are also used in failure analysis investigations. They provide physical explanations and descriptive visualizations of the actual failure and impact process. Various impact scenarios can be evaluated that end up with results, that is, permanently deformed shapes and component placement, that reproduce...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... and records Operator logs Low-strength copper-nickel alloy construction Material specifications Laboratory analysis Flow-induced cavitation Rumbling noise in system Vibration of system Failure mechanism Erosion-fatigue damage Laboratory examination of disk, thinning Consequences Inability...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
...Abstract Abstract High temperature corrosion may occur in numerous environments and is affected by factors such as temperature, alloy or protective coating composition, time, and gas composition. This article explains a number of potential degradation processes, namely, oxidation, carburization...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006755
EISBN: 978-1-62708-295-2
... A good definition of a failure is “the inability of a component, machine, process, or culture/thinking to function properly.” It is not just things that break. Failures come in all shapes and sizes. They can be individual parts, entire machines, an assembly, a system, or a process. Broken down...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006819
EISBN: 978-1-62708-329-4
... of metal components, equipment, and structures has long been a serious safety and reliability concern for countless manufacturing, construction, and transportation industries, including automotive, aerospace, marine, power generation, chemical processing, and oil and gas. Furthermore, fatigue failures have...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... and a loose one. Source: Ref 1 , 2 Fig. 16 Before starting: the data-collection process Fig. 14 Typical numerical calculations permitting a more accurate determination of rolling-element bearing behavior under combined complex loading, initial deformations, clearance, centrifugal loads...