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age-hardenable alloys

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Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006288
EISBN: 978-1-62708-169-6
...-magnesium systems, aluminum-zinc-magnesium-copper systems, and aluminum-lithium alloys. aging aluminum alloys heat treatment solution heat treatment THE MAJOR ALUMINUM ALLOY SYSTEMS that are capable of precipitation hardening include: Aluminum-copper systems ( Table 1 ) with hardening from...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006265
EISBN: 978-1-62708-169-6
...), Inconel (Ni-Cr-Mo), Hastelloy (Ni-Mo-Cr), and Incoloy (Ni-Fe-Cr) families of alloys. The heat treatment processes for gamma prime nickel alloys, gamma prime nickel-iron superalloys, and gamma double-prime nickel-iron superalloys are also included. The article also provides information on age-hardenable...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006268
EISBN: 978-1-62708-169-6
... Abstract This article describes the effects of alloying and heat treatment on the metastable transition precipitates that occur in age hardenable aluminum alloys. Early precipitation stages are less well understood than later ones. This article details the aging sequence and characteristics of...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006285
EISBN: 978-1-62708-169-6
... provides information on the types of heat treatment, which include preheating, full anneal, stabilization, and stoving. The article describes the steps involved for achieving the age-hardening effect and the strongest hardening effect in aluminum. The steps to increase the strength of aluminum alloys by...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006266
EISBN: 978-1-62708-169-6
... applications. It focuses on the solution treatment and age hardening of cast nickel-base superalloys and the heat treatment of cast solid-solution alloys for corrosion-resisting applications. The article also discusses the typical types of atmospheres used in annealing or solution treating: exothermic...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006287
EISBN: 978-1-62708-169-6
... also discusses the mechanisms used for strengthening aluminum alloys, including solid-solution hardening, grain-size strengthening, work or strain hardening, and precipitation hardening. The process of precipitation hardening involves solution heat treatment, quenching, and subsequent aging of the as...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003204
EISBN: 978-1-62708-199-3
... that are applied to copper and copper alloys include homogenizing, annealing, stress relieving, solution treating, precipitation (age) hardening, and quench hardening and tempering. MAGNESIUM ALLOYS usually are heat treated either to improve mechanical properties or as a...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006283
EISBN: 978-1-62708-169-6
... Abstract This article provides a detailed discussion on heat treatment of titanium alloys such as alpha alloys, alpha-beta alloys, and beta and near-beta alloys. Common processes include stress-relief, annealing, solution treating, aging, quenching, and age hardening. It provides information on...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003203
EISBN: 978-1-62708-199-3
... hardening. In age-hardenable nickel-base alloys, the γ′ intermetallic (Ni 3 Al, Ti) is generally present for strengthening, while the non-hardenable nickel-, cobalt-, and iron-base alloys rely on solid-solution strengthening of the fcc (γ) matrix. Iron-base and nickel-iron superalloys may also develop, in...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006275
EISBN: 978-1-62708-169-6
... Abstract This article discusses the various heat treating processes, namely, solid-solution hardening, solution treating, solution aging and dispersion hardening, for low-melting-point alloys such as lead alloys, tin-rich alloys, and zinc alloys. Heat treating of tin-rich alloys has been...
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
... treating, stabilization treatment, age hardening, stress relieving, and stress equalizing. Discussion of furnaces, fixtures, and atmospheres is included. Nickel alloys used for the heat treatment processes include corrosion-resistant nickel alloys, heat-resistant nickel alloys, nickel-beryllium alloys...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006271
EISBN: 978-1-62708-169-6
... simulation of age hardening as being the most important heat treatment to strengthen aluminum alloys. It provides information on the heat treatment simulation model, the yield strength model based on the responsible strengthening mechanisms, and the flow curve model based on mechanical tests. The article...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006254
EISBN: 978-1-62708-169-6
...-hardening response of other elements, most notably neodymium, gadolinium, and yttrium. Figure 6 shows the changes to the aging response of Mg-3%Nd alloys with minor zinc additions. Fig. 5 Aging of Mg-8wt%Zn alloy. Source: Ref 5 Fig. 6 Aging of Mg-3%Nd alloys, showing the effect of small...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006252
EISBN: 978-1-62708-169-6
... precipitation-hardened alloys. It examines the consequences of aging treatments on the residual stress, namely, annealing, precipitation heat treatment, and cryogenic treatment. The article provides information on uphill quenching, which attempts to reverse thermal gradients encountered during quenching. It...
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
... treatment. Alloys that can be strengthened by heat treatment are often referred to as heat treatable alloys by metallurgists. Of the heat treatable nonferrous alloys, the most common heat treating procedure for hardening is that of precipitation hardening, in which hardening occurs from the aging of a...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003140
EISBN: 978-1-62708-199-3
... transition is responsible for the acicular structure in quenched and/or quenched-and-aged titanium alloys. Hardenability of a titanium alloy refers, generally, to the ability of an alloy to permit full transformation of the alloy to martensitic phases or to retain β to room temperature. Alpha prime (α′) and...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006276
EISBN: 978-1-62708-169-6
... resulting properties for several low-temperature-hardening alloys Alloy Solution treating temperature (a) Aging treatment Hardness Electrical conductivity (b) , %IACS Temperature Time, h °C °F °C °F Precipitation hardening C15000 980 1795 500–550 930–1025 3 30 HRB 87–95...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003180
EISBN: 978-1-62708-199-3
...-formed parts should be fully annealed after final forming. If annealing causes distortion, the work can be formed within 10% of the intended shape, annealed, pickled, and then given the final forming. Depending on the size, amount, and dispersion of secondary phases, the age-hardenable alloys show...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003131
EISBN: 978-1-62708-199-3
... not to the same degree as the unalloyed parent metal. Even alloys with large amounts of solution-hardening elements—zinc, aluminum, tin, and silicon—that show rapid work hardening are readily commercially processed beyond 50% cold work before a softening anneal is required to permit additional...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006253
EISBN: 978-1-62708-169-6
..., and rolled products. Used mostly in tubular form in various aerospace, biomedical, and other applications Ti-4.5Al-3V-2Mo-2Fe None SP-700 SP-700 is designed to offer superior superplastic formability properties. The alloy is age hardenable. SP-700 is superplastically formed into components such...