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aging response curves

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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
... and 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: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006560
EISBN: 978-1-62708-210-5
... Society , 2017 , p 151 3. Aging Response Curves of Aluminum Casting Alloys , Approved by the ASM Handbook Committee for addition to the ASM Handbook, 2011 4. Kaufman J.G. and Rooy E.L. , Aluminum Alloy Castings: Properties, Processes, and Applications , ASM International...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001071
EISBN: 978-1-62708-162-7
... Typical aging response curves for solution-annealed and annealed and cold worked C17200 are shown in Fig. 4 . When age hardened at 315 to 335 °C (600 to 635 °F), strength increases to a plateau in about 3 h for annealed material or about 2 h for cold-worked material and remains essentially constant...
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Published: 01 December 2004
Fig. 42 Time-temperature diagram of precipitation responses of an aluminum-lithium alloy (alloy 8090) for volume formation of the S phase (Al 2 CuMg). This practical isothermal transformation curve is based on a real commercial-sized component that has been exposed to aging temperatures More
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002411
EISBN: 978-1-62708-193-1
... coppers, and spinodal alloys. It discusses the fatigue testing of the copper alloys and tabulates the tensile and fatigue strengths of the copper alloys. The article schematically illustrates S-N curves for the solid-solution (non-aging) strengthened alloys. It concludes with a discussion on the role...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006281
EISBN: 978-1-62708-169-6
... of brass alloys. Bronzes originally (from the time of the Bronze Age) referred to alloys in which tin was the major alloying element. Today (2016), however, the term bronze is commonly used for a number of alloys that contain other elements with little, if any, tin. Bronzes can refer to copper alloys...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002404
EISBN: 978-1-62708-193-1
...) are identical to the semidynamic curves, indicating that the beneficial effects are maintained at very high strain rates ( Ref 94 ). One of the two type 304 heats studied by Marschall ( Ref 96 ) shows a similar response, with J c increasing by 15% under semidynamic conditions. The second heat shows a much...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006263
EISBN: 978-1-62708-169-6
... response of titanium alloys. This factor is even more critical in weakly β-stabilized systems where transformation of the β phase occurs more readily during a quench. The effect of quench delay is shown in Fig. 22 for Ti-6Al-4V bar that was subsequently aged at 480 °C...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005133
EISBN: 978-1-62708-186-3
... at the aging temperatures (120 to 190 °C, or 250 to 375 °F). Because creep is the phenomenon responsible for achieving the part shape, age forming is sometimes referred to as creep forming. The most common application for age forming is the shaping of upper wing skins in the aerospace industry. Recent...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002396
EISBN: 978-1-62708-193-1
... + ( σ a K ′ ) 1 / n ′ where E is the elastic modulus and K ′ and n ′ are cyclic deformation properties. This formulation allows for direct comparison with monotonic tension curves so that cyclic-hardening or cyclic-softening responses can be quickly assessed. Monotonic...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004131
EISBN: 978-1-62708-184-9
... or electronic devices, the reliability of equipment with time is defined by the curve in Fig. 2 , widely known as the “bathtub curve” because of its shape ( Ref 9 ). In particular, the reliability decreases as the rear field of the curve (wear-out) is achieved. This occurs because malfunctions caused by aging...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006270
EISBN: 978-1-62708-169-6
... are followed by aging, normally at 480 to 650 °C (900 to 1200 °F), to precipitate alpha phase and produce a fine mixture of alpha and beta in the retained or transformed beta phase. The specific response depends on alloy composition, solution treating temperature (beta-phase composition at the solution...
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
... through the structure. Solution Treating and Aging Useful strengthening of lead can be attained by adding sufficient quantities of antimony to produce hypoeutectic lead-antimony alloys. Small amounts of arsenic have particularly strong effects on the age-hardening response of such alloys...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005230
EISBN: 978-1-62708-187-0
... the subsequent aging response. In general, high cooling rates result in the highest strength and best corrosion resistance. The selection of quench medium is often determined by several factors, such as application, quench sensitivity of the alloy, residual stress, structural integrity, and so on. Among them...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002350
EISBN: 978-1-62708-193-1
... in developing the response models for strain-life technology are derived from the cyclic stress-strain curve. Later sections deal with this topic more extensively and additional material on this important subject can be found in the references provided here. In some cases, strain control is discontinued...