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artificial aging

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140133
EISBN: 978-1-62708-335-5
... characteristics for aluminum alloy 356.0-T4, sand cast Fig. D1.95 High-temperature aging characteristics for aluminum alloy 356.0-T4, permanent mold. Solution heat treated 6 h at 980 °F, quenched in 110 °F water. Specimens were aged 8 months at room temperature prior to artificial aging. Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870265
EISBN: 978-1-62708-299-0
... to a Substantially Stable Condition T5, Cooled from an Elevated-Temperature Shaping Process and Artificially Aged T6, Solution Heat Treated and Artificially Aged T7, Solution Heat Treated and Overaged or Stabilized T8, Solution Heat Treated, Cold Worked, and Artificially Aged T9, Solution Heat Treated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240135
EISBN: 978-1-62708-251-8
... in this example is one that requires artificial or elevated-temperature aging. Some alloys will age satisfactorily at room temperature, a process called natural aging. Fig. 9.3 Partial binary aluminum phase diagram and typical precipitation-hardening heat treatment for aluminum. Source: Ref 2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140061
EISBN: 978-1-62708-335-5
... to stable, noncoherent equilibrium θ: θ = CuAl 2 SS → GP → θ ⁢ ″ → θ ′ → θ A similar sequence occurs in the artificial age hardening of Al-Cu-Mg alloys. The addition of magnesium accelerates and intensifies room-temperature aging, and the progression is from GP...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030070
EISBN: 978-1-62708-282-2
... tempers) or artificially aged to increase strength via formation of Al-Cu(-Mg) strengthening precipitates (T6 or T8 tempers). Similar to all aluminum alloys, constituent particles play a key role in pit initiation. In addition to the Al-Fe- X types of particles, 2 xxx alloys contain Al-Cu and Al-Cu...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310351
EISBN: 978-1-62708-326-3
... treated to produce stable tempers other than F, O, or H T2 Annealed (cast products only) T3 Solution heat treated and cold-worked T4 Solution heat treated T5 Artificially aged only T6 Heat treated and artificially aged T7 Solution heat treated and stabilized T8 Solution heat...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240509
EISBN: 978-1-62708-251-8
...-resistant composition. Finally, the fourth part, T6, denotes that the alloy is solution treated and artificially aged. The cold working (H) and heat treat (T) temper designations are essentially the same as those used for aluminum alloys. Since cast alloys are the most prevalent product forms, the most...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090241
EISBN: 978-1-62708-266-2
... bodies separately, the difference in potential responsible for intergranular corrosion, exfoliation, and SCC can be quantified. Solution-potential measurements of alloys containing copper also show the progress of artificial aging as increased amounts of precipitates are formed and the matrix is depleted...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240487
EISBN: 978-1-62708-251-8
... + natural aged 4—Solution treated + natural aged 5—Cooled from an elevated-temperature shaping operation + artificial aged 6—Solution treated + artificial aged 7—Solution treated + overaged 8—Solution treated + cold worked + artificial aged 9—Solution treated + artificial aged + cold...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170432
EISBN: 978-1-62708-297-6
... and then stabilized Subdivisions of T T1 Cooled and naturally aged T2 Annealed (cast products only) T3 Solution heat treated and then cold worked T4 Solution heat treated T5 Cooled and artificially aged T6 Solution heat treated and artificially aged T7 Solution heat treated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260187
EISBN: 978-1-62708-336-2
... and then artificially aged) were studied. Both blistered and unblistered areas exhibited a recrystallized surface layer with an unrecrystallized core ( Fig. 13 ). The depth of the recrystallized zone varied from part to part. Blisters were found mainly in the recrystallized zones or at the junction of recrystallized...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550033
EISBN: 978-1-62708-307-2
... in the solution-treated condition that have not attained a stable condition are designated with a “W”; and those that have been hardened by cold work are designated with an “H.” If the alloy has been solution treated and then aged, either by natural or artificial aging, it is designated by a “T...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870099
EISBN: 978-1-62708-299-0
... effectively and economically by mechanical stretching. The stretching operation must be done after quenching and, for most alloys, before artificially aging. Note the low magnitude of residual stresses after stretching ( Fig. 5b ) as compared to the as-quenched material in Fig. 5(a) . Federal specifications...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550141
EISBN: 978-1-62708-307-2
... resistant, registered ASTM International X1, not registered with ASTM International F, as-fabricated O, annealed H10 and H11, slightly strain hardened H23, H24, and H26, strain hardened and partially annealed T4, solution heat treated T5, artificially aged only T6, solution...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060333
EISBN: 978-1-62708-261-7
..., recrystallized (wrought products only) H, strain hardened (wrought products only) W, solution heat treated; unstable temper T2, annealed (cast products only) T3, solution heat treated and cold worked T4, solution heat treated T5, artificially aged only T6, solution heat treated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170351
EISBN: 978-1-62708-297-6
... is based on the primary mechanism of property development. Many alloys respond to thermal treatment based on phase solubilities. These treatments include solution heat treatment, quenching, and precipitation, or age, hardening. For either casting or wrought alloys, such alloys are described as heat...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740271
EISBN: 978-1-62708-308-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400073
EISBN: 978-1-62708-316-4
...: heat treated T: solution heat treated T3: solution heat treated and then cold worked T4: solution heat treated and naturally aged T5: cooled from an elevated temperature shaping process and then artificially aged T6: solution heat treated and then artificially aged H1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870025
EISBN: 978-1-62708-299-0
... the progress of artificial aging as increased amounts of precipitates are formed and the matrix is depleted of copper. Potential measurements are valuable with zinc-containing (7 xxx ) alloys for evaluating the effectiveness of the solution heat treatment, for following the aging process...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420339
EISBN: 978-1-62708-310-2
... is one that requires artificial or elevated-temperature aging. Some alloys will age satisfactorily at room temperature, a process called natural aging. Fig. 16.4 Typical precipitation-hardening heat treatment for an aluminum alloy. Source: Ref 16.5 as published in Ref 16.3 Alloys...