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alloy 2090
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in Aluminum-Lithium Alloys
> Properties and Selection: Nonferrous Alloys and Special-Purpose Materials
Published: 01 January 1990
Fig. 4 Average yield stress versus aging time for aluminum-lithium alloy 2090 (2.4% Li, 2.4% Cu, 0.18% Zr, balance aluminum) with various amounts of prior deformation
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in Aluminum-Lithium Alloys
> Properties and Selection: Nonferrous Alloys and Special-Purpose Materials
Published: 01 January 1990
Fig. 9 Unrecrystallized microstructures of alloy 2090. (a) 45 mm (1.75 in.) thick 2090 plate. (b) 1.6 mm (0.063 in.) thick 2090 sheet
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Published: 01 January 2006
Fig. 23 Yield surface shape for an aluminum alloy 2090-T3 sheet sample. TD, transverse direction; RD, rolling direction. Source: Ref 195
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Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001063
EISBN: 978-1-62708-162-7
..., including alloy 2090, alloy 2091, alloy 8090, alloy CP276, and Weldalite 049. The article also lists the chemical compositions, physical properties, fabrication characteristics, corrosion performance, and general applications of these alloys. A comparison of alloy properties is represented graphically...
Abstract
Aluminum-lithium alloys have been developed primarily to reduce the weight of aircraft and aerospace structures. This article commences with a discussion on the physical metallurgy and development of aluminum-lithium alloys. It focuses on major commercial aluminum-lithium alloys, including alloy 2090, alloy 2091, alloy 8090, alloy CP276, and Weldalite 049. The article also lists the chemical compositions, physical properties, fabrication characteristics, corrosion performance, and general applications of these alloys. A comparison of alloy properties is represented graphically.
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Published: 30 November 2018
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Published: 01 June 2024
Fig. 41 (a) Fractography and (b) crack-path morphology for the short-longitudinal (crack-delamination) orientation, typical of all alloys at both 77 and 298 K, showing intergranular delamination-type failure. Fracture surfaces are for 2090-T8E41 and show evidence of 1 to 2 μm-sized iron
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Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001420
EISBN: 978-1-62708-173-3
... compositions shown in Table 1 , the high copper/magnesium ratio of alloy 2090 and the Weldalite 049 family of alloys (2094, 2095, 2195) results in the precipitation of T 1 , which is the most potent strengthening phase in this alloy system ( Ref 4 , 5 , 6 ). Accordingly, these alloys possess higher yield...
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in Aluminum-Lithium Alloys
> Properties and Selection: Nonferrous Alloys and Special-Purpose Materials
Published: 01 January 1990
Fig. 10 Longitudinal tensile strength versus temperature for aluminum-lithium alloy 2090-T84 and various other aluminum plate alloys
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Published: 01 January 1993
Fig. 4 Weldability data showing the improved resistance to hot cracking obtained when using an aluminum-silicon filler alloy. (a) Trans-Varestraint test data for alloy 2094 weldments. Source: Ref 25 . (b) Inverted-tee test data for alloy 2090 weldments. Source: Ref 27
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Image
Published: 30 November 2018
Fig. 22 Weldability data showing the improved resistance to hot cracking obtained when using an aluminum-silicon filler alloy. (a) Trans-Varestraint test data for alloy 2094 weldments. Source: Ref 61 . (b) Inverted-tee test data for alloy 2090 weldments. Source: Ref 61 , 62
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in 7075 and Alclad 7075: High-Strength Structural Alloy
> Properties and Selection of Aluminum Alloys
Published: 15 June 2019
Fig. 9 Effect of temperature on the plane-strain fracture toughness ( K Ic ) of alloy 2090-T81 and alloy 7075-T651 plate alloys. Exposure of 30 min at temperature. L-T, crack plane and direction perpendicular to the principal direction of rolling; T-L, crack plane and direction parallel
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Published: 01 January 2006
Fig. 26 Finite element predictions of the completely drawn cups for aluminum alloy 2090-T3 using (a) Yld96 and (b) Yld2004-18p yield functions
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in Aluminum-Lithium Alloys
> Properties and Selection: Nonferrous Alloys and Special-Purpose Materials
Published: 01 January 1990
Fig. 1 Effect of minor additions (0.15 wt%) of cadmium, iridium, and tin on the age-hardening response of aluminum-lithium alloy 2090 (2.3 Cu, 2.3 Li, 0.15 Zr)
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Published: 01 January 2006
Fig. 24 Measured and calculated variations of the normalized yield stress and r -value as a function of the angle between rolling and tensile direction for aluminum alloy 2090-T3. Source: Ref 195
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Published: 01 January 2006
Fig. 27 Comparison of measured earing profiles for deep-drawn cups of aluminum alloy 2090-T3 with predictions from finite element simulations (using two different yield functions) and an analytical model. Source: Ref 195
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Published: 30 November 2018
Fig. 45 Effect of cerium content on fracture toughness (evaluated from crack-resistance curves of compact tension specimens in T-L orientation) and percentage elongation of alloy 2090 sheets rich in iron and silicon impurities. Source: Ref 68
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in Aluminum-Lithium Alloys
> Properties and Selection: Nonferrous Alloys and Special-Purpose Materials
Published: 01 January 1990
Fig. 3 Effect of prior deformation and aging time on the amount of T 1 precipitates in aluminum-lithium alloy 2090 (2.4% Li, 2.4% Cu, 0.18% Zr, bal aluminum). (a) Volume fraction of T 1 . (b) Number density of T 1
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Book Chapter
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006594
EISBN: 978-1-62708-210-5
... are further divided as (see also Table 1 ): Low-Cu, high-Mg, and high-Li quaternary alloys (e.g., 8090) Medium-Cu, low-Mg, and high-Li quaternary alloys (e.g., 2090) Medium-Cu, low-Mg, medium-Li quaternary alloys (e.g., 2099, 2196, 2297, 2397) High-Cu, low-Mg, and low-Li quaternary alloys (e.g...
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Published: 01 June 2024
Fig. 40 Fractography and crack-path morphology for the longitudinal-transverse (crack-divider) orientation, typical of alloys that show no fracture-mode transition between ambient and liquid nitrogen temperatures (2090-T8E41, 2091-T351, 8090-T8X, 8091-T8X), showing transgranular shear fracture
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Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006510
EISBN: 978-1-62708-207-5
... amount of copper, such as 7075 and 7178, have a very wide melting range with a low solidus temperature and are extremely sensitive to weld cracking when arc welded. Aluminum-lithium alloys are weldable using the correct filler alloys. Alloys 2090 and 2095 can be easily welded using 2319 alloy...
Abstract
Weldability is a function of three major factors: base material quality, welding process, and design. This article focuses on base-metal weldability of aluminum alloys in terms of mechanical property degradation in both the weld region and heat-affected zone, weld porosity, and susceptibility to solidification cracking and liquation cracking. It provides an overview on welding processes, including gas metal arc welding, gas tungsten arc welding, resistance spot and seam welding, laser beam welding, and various solid-state welding processes. A review on joint design is also included, mainly in the general factors associated with service weldability (fitness). The article also provides a discussion on the selection and weldability of non-heat-treatable aluminum alloys, heat treatable aluminum alloys, aluminum-lithium alloys, and aluminum metal-matrix composites.
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