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shape memory alloys

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Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005658
EISBN: 978-1-62708-198-6
... fatigue heat treatment medical device design nitinol physical metallurgy physical properties shape memory alloys superelasticity tensile properties THIS ARTICLE is not intended as a treatise of Nitinol or the shape memory effect but rather focuses on specific aspects of Nitinol that are of...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003160
EISBN: 978-1-62708-199-3
... Abstract The term shape memory alloys (SMAs) refers to the group of metallic materials that demonstrate the ability to return to some previously defined shape or size when subjected to the appropriate thermal procedure. Materials that exhibit shape memory only upon heating are referred to as...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.9781627081627
EISBN: 978-1-62708-162-7
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006261
EISBN: 978-1-62708-169-6
..., special-purpose alloys such as nitinol shape memory alloys, low-expansion alloys, electrical-resistance alloys and soft magnetic alloys. Finally, the article focuses on heat treatment modeling for selecting the appropriate heat treatment process. aging annealing corrosion-resistant nickel alloys...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004009
EISBN: 978-1-62708-185-6
... Abstract The primary objectives of the rolling process are to reduce the cross section of the incoming material while improving its properties and to obtain the desired section at the exit from the rolls. This article illustrates a rolling sequence for the fabrication of bars, shapes, and flat...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006274
EISBN: 978-1-62708-169-6
.... The processes of hardening copper alloys by isothermal transformation (aging) include precipitation hardening, spinodal hardening, and order hardening. The quench-hardening alloys include aluminum bronzes, nickel-aluminum bronzes, and a few special Cu-Zn-Al shape memory alloys...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006250
EISBN: 978-1-62708-169-6
... solute elements is very important because it plays a vital role in the subsequent hanical processing of the alloy. It is a common industrial practice to homogenize the cast product prior to hot working, and it often is used even when an object is cast into essentially the final shape. Homogenization...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003147
EISBN: 978-1-62708-199-3
... applications, and heat-treating equipment. A number of other applications for nickel alloys involve the unique physical properties of special-purpose alloys, such as controlled-expansion alloys, electrical-resistance alloys, soft-magnetic alloys, and shape-memory alloys. Compositions, mechanical properties...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005303
EISBN: 978-1-62708-187-0
... deoxidation gas solubility induction furnaces fluxing metal refining grain refining filtration copper casting alloys open-flame furnaces ALL COPPER ALLOYS can be successfully cast in sand. Sand casting allows the greatest flexibility in casting size and shape and is the most economical casting...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005307
EISBN: 978-1-62708-187-0
... Except for allowances for shrinkage, the technique for making the molds is the same as that for aluminum alloys. Squeeze casting is a process in which the liquid metal solidifies under pressure in closed dies held together by a hydraulic press. Essentially, the metal is forged to near-net or net shape...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005674
EISBN: 978-1-62708-198-6
... helps speed recovery in cranioplasty or neurosurgery Shape memory (titanium-nickel) Nitinol alloys Titanium pegs to attach false eyes or ears Implants, fusion cages, correction parts, and fixturing in the spine Toe and finger implants Urethral stents Medical instrumentation such as...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003828
EISBN: 978-1-62708-183-2
... Abstract This article reviews general corrosion of uranium and its alloys under atmospheric and aqueous exposure as well as with gaseous environments. It describes the dependence of uranium and uranium alloy corrosion on microstructure, alloying, solution chemistry, and temperature as well as...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003154
EISBN: 978-1-62708-199-3
... material, component shape and magnetic circuit arrangement. hysteresis alloys irreversible loss magnetic field stability motors permanent magnetic materials reversible loss PERMANENT MAGNET is the term used to describe solid materials that have sufficiently high resistance to demagnetizing...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001263
EISBN: 978-1-62708-170-2
... article concludes with an overview of alloy electroforming. alloy electroforming cobalt copper electroforming internal deposit stress iron mandrel mandrel selection metal distribution nickel process control roughness treeing ELECTROFORMING is the process by which articles or shapes...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003125
EISBN: 978-1-62708-199-3
... this Section. Table 1 Wrought alloy products and tempers Alloy Sheet Plate Tube Pipe Structural profiles (shapes) (a) Extruded wire, rod, bar, and profiles (shapes) Rolled or cold-finished Rivets Forgings and forging stock Foil Fin stock Drawn Extruded Rod Bar Wire...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005293
EISBN: 978-1-62708-187-0
... volume fractions of porosity will result in large volumetric shrinkage within the part. If the gross porosity is localized to a specific region within the casting, distortion can occur. Fig. 11 (a) Cast aluminum alloy turbocharger impeller showing the intricately shaped vanes that are critical to...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005239
EISBN: 978-1-62708-187-0
... Abstract This article illustrates the simulation procedure of casting process. It describes important elements and points of the simulations. These include the setting of clear simulation objectives, selection of proper simulation code, hints in modeling of shape and phenomena, initial and...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003986
EISBN: 978-1-62708-185-6
... Abstract Precision forging is defined as a closed-die forging process in which the accuracy of the shape, dimensional tolerances, and surface finish exceed normal expectations to the extent that some of the postforge operations can be eliminated. This article provides an overview of the key...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006677
EISBN: 978-1-62708-213-6
... the essential components, and explains their function only to the extent that it helps the operator obtain the desired results. An explanation of how the components of ion optical column shape and steer the ion beam to the desired target locations is then provided. The article also reviews the many...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003164
EISBN: 978-1-62708-199-3
... rate. Near-net-shape or net-shape casting of parts directly from liquid metal is a highly desirable method for the fabrication of nickel aluminides. Among the near-net-shape methods is the method of sheer fabrication by bringing liquid metal in direct contact with a rotating drum. The sheet...