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age-hardenable alloys

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280135
EISBN: 978-1-62708-267-9
.... Wrought alloys may be age hardenable or solution or carbide strengthened. True stress relieving of wrought material usually is confined to alloys that are not age hardenable. Wrought alloys are often more apt to be stress relieved than are cast alloys, because there are fewer cast alloys either solution...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120139
EISBN: 978-1-62708-269-3
... strength of 1100 MPa (159 ksi) and temperature capability up to about 400 °C (750 °F). IMI 550 is used for both airframe and engine components. IMI is age hardenable in sections up to 150 mm (6 in.). Ti-4Al-4Mo-4Sn-0.5Si, UNS: none, IMI 551 IMI 551 is similar to IMI 550, but its higher alloy content...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060001
EISBN: 978-1-62708-261-7
...Abstract Abstract This chapter describes some of the technological milestones of the early 20th century, including the invention of tungsten carbide tool steel, the use of age-hardening aluminum in the Wright Flyer , the development of a new heat treating process for aluminum alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420289
EISBN: 978-1-62708-310-2
... , 2nd ed., H. Okamoto, Ed., 2010. Four examples of the application of phase diagrams to alloy design are given: the development of a basis for age-hardening aluminum alloys, material substitution in two types of wrought stainless steel alloys to reduce costs, and an improvement in the manufacturing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170495
EISBN: 978-1-62708-297-6
... Aluminum Improves oxidation and sulfidation resistance Age-hardening component Iron Improves economy of alloy Controlled thermal expansion addition Rare earth elements lanthanum and yttrium Improves adherence of oxide layer Copper Improves resistance to reducing acids and salts (Ni-Cu...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170457
EISBN: 978-1-62708-297-6
... for the intended use. Typical applications for high-copper alloys include electrical/electronic connectors, integrated circuit lead frames, electronic components for severe, automotive, under-the-hood environments, circuit breaker components, and resistance welding equipment. Age-Hardening Alloys Age...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420339
EISBN: 978-1-62708-310-2
... with time. It should be noted that sometimes the term age hardening is used to denote alloys that harden on aging at room temperature, while the term precipitation hardening is used to denote alloys that must be heated above room temperature for hardening to occur at an appreciable rate. However...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240135
EISBN: 978-1-62708-251-8
..., which takes place during heat treatment; and true dispersion hardening, which can be achieved by mechanical alloying and powder metallurgy consolidation. It provides information on the three steps of precipitation hardening of aluminum alloys: solution heat treating, rapid quenching, and aging...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030148
EISBN: 978-1-62708-282-2
... cracking in the cold-worked and unaged condition as compared to the cold-worked and aged condition. Age-hardenable alloys show the least resistance to hydrogen when aged to their peak or near-peak strength. Stabilization treatments followed by aging reduce the resistance of these alloys as compared...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310351
EISBN: 978-1-62708-326-3
... Alloy Solution treating Age hardening Temperature Time, h Cooling method (a) °C °F Monel K-500 980 1800 ½-1 WQ Heat to 595 °C (1100 °F), hold 16 h; furnace cool to 540 °C (1000 °F), hold 6 h; furnace cool to 480 °C (900 °F), hold 8 h; air cool Inconel 718 (AMS 5662) 980 1800...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980323
EISBN: 978-1-62708-342-3
... equipment for tube extrusion, induction furnaces for billet processing, handling systems for copper and aluminum alloy products, extrusion cooling systems, and age-hardening ovens. Next, the chapter describes the principles and applications of equipment for the production of aluminum and copper billets...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170417
EISBN: 978-1-62708-297-6
... alloys 30 to 50%, or more, over the annealed or overaged condition. Response to solution treating and aging depends on section size; alloys relatively low in β-stabilizers (Ti-6Al-4V, for example) have poor hardenability and must be quenched rapidly to achieve significant strengthening. For Ti-6Al-4V...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170596
EISBN: 978-1-62708-297-6
... to 0.06% Ag (10 to 20 oz per ton) or small amounts of finely dispersed metal oxides, such as Al 2 O 3 , with little loss of conductivity. On the other hand, improved mechanical properties are obtained only at the expense of electrical conductivity. Precipitation-hardened alloys, dispersion-hardened alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090317
EISBN: 978-1-62708-266-2
... in quenched uranium alloys. Source: Ref 12.11 Because the metastable structures in all three composition regimes are supersaturated with alloying elements, they are amenable to subsequent age hardening. Age hardening occurs at temperatures below approximately 450 °C (840 °F) due to very small...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980009
EISBN: 978-1-62708-342-3
.... Source: KM-Kabelmetall AG Bars made of copper tellurium (CuTe) and copper sulphur (CuS) should be mentioned as low-alloy copper machining variations, from which, for example, welding torch nozzles and fittings are manufactured. This group of materials includes age-hardening alloys that are usually...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060333
EISBN: 978-1-62708-261-7
... that can be hardened by heat treatment. Some of the common nonferrous alloys that can be hardened through heat treatment include: Solution-treated and aged aluminum alloys (e.g., aluminum-copper alloys) Solution-treated and aged cobalt alloys Solution-treated copper alloys (such as beryllium...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060049
EISBN: 978-1-62708-261-7
.... Annealing Strain-Hardening Parameters Strain Hardening of Commercially Pure Aluminum The good doctor discovered a process now known as solution heat treating and natural aging . He also designed an alloy (Duralumin) suitable for strengthening by this process in what is now known...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440231
EISBN: 978-1-62708-262-4
... causes precipitation of a hard beryllium-copper phase on slow cooling or on aging after solution treatment. Source: Ref 4 Fig. 6 Precipitation-hardening curves of beryllium-copper binary alloys. As the percentage of beryllium increases, the aging time required to reach maximum hardness...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250107
EISBN: 978-1-62708-287-7
... discovered in Germany by Alfred Wilm. Other heat treatable alloys developed during this period included a forging alloy (25S) that was used in aircraft propellers and an all-purpose aircraft structural alloy (14S). They produced the first American alloy containing magnesium and silicon for age hardening (61S...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980195
EISBN: 978-1-62708-342-3
... and silver, are also used. Lead antimony alloys are referred to as hard lead because the antimony significantly hardens the soft lead. Alloys of this type with antimony contents up to 3 wt% also age harden. For example, the Brinell hardness of an alloy with 2 wt% antimony increases from 56 to 130 N/mm 2...