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alpha titanium alloys

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120159
EISBN: 978-1-62708-269-3
... Abstract This appendix provides datasheets describing the chemical composition, processing characteristics, mechanical and fabrication properties, and heat treating of alpha and near-alpha titanium alloys. Datasheets are provided for the following alloys: Ti-3Al-2.5V (ASTM Grade 9, UNS R56320...
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Published: 01 December 2000
Fig. 3.2 Typical microstructures of alpha, alpha-plus-beta, and beta titanium alloys. (a) Equiaxed α in unalloyed Ti after 1 h at 699 °C (1290 °F). (b) Equiaxed α + β. (c) Acicular α + β in Ti-6Al-4V. (d) Equiaxed β in Ti-13V-11Cr-3Al More
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Published: 01 December 2000
Fig. 4.7 Representative microstructural defects in titanium alloys. (a) Type I alpha segregation; large voids surrounded by stabilized alpha. (b) Type I alpha segregation; small voids surrounded by stabilized alpha. (c) Type II alpha segregation as revealed by an etch-anodized technique. (d More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120195
EISBN: 978-1-62708-269-3
... Abstract This appendix provides datasheets describing the chemical composition, processing characteristics, mechanical and fabrication properties, and heat treating of various grades of alpha-beta titanium. Datasheets are provided for the following alloys: Ti-5Al-2Sn-2Zr-4Mo-4Cr (UNS: R58650...
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Published: 01 December 2000
Fig. 12.20 Curves depicting stress versus cycles to failure (R = –1) for Ti-1100 near-alpha titanium alloy. (a) Full lamellar microstructures showing range of effects of prior-beta grain sizes. (b) Duplex microstructures showing range of effects of primary alpha content More
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Published: 01 January 2015
Fig. 6.29 Effect of annealing temperature on the microstructure of elevated-temperature near-alpha titanium alloys More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120001
EISBN: 978-1-62708-269-3
... are commonly known as alpha and beta. Alpha actually refers to any hexagonal titanium, pure or alloyed, while beta denotes any cubic titanium, pure or alloyed. The alpha and beta “structures”—sometimes called systems or types—are the basis for the generally accepted four classes of titanium alloys: alpha, near...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120139
EISBN: 978-1-62708-269-3
... brines, crevice corrosion resistance is similar to Ti-0.2Pd. Alpha and near-alpha titanium alloys Table A.2 Alpha and near-alpha titanium alloys Alloy, UNS number, common names General description Applications Common alpha and near-alpha alloys Ti-3Al-2.5V, UNS R56320, tubing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240527
EISBN: 978-1-62708-251-8
... Abstract Titanium alloys are classified according to the amount of alpha and beta phase material retained in their structures at room temperature. This chapter discusses the metallurgy, composition, processing, and properties of titanium and its alloys. It provides information on melting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480051
EISBN: 978-1-62708-318-8
.... alloying elements alpha titanium alloys alpha-beta titanium alloys atomic structure beta titanium alloys intermetallic compounds TITANIUM IS A MEMBER of the group of elements called the transition elements. These metals have several important characteristics, including high strength...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120033
EISBN: 978-1-62708-269-3
... of excessive scale and minimize the formation of alpha case owing to interactions with the interstitial elements oxygen and nitrogen. For any given titanium alloy, the pressure requirements for forging vary over a large range, which is dependent on: the actual alloy composition, the forging process in use...
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Published: 01 October 2011
Fig. 14.19 Basic types of titanium alloying elements. (a) Alpha stabilizers (such as solute addition of Al, O, N, C, or Ga), where the dotted phase boundaries refer specifically to the titanium-aluminum system. (b) Isomorphous β stabilizers (such as solute additions of Mo, V, or Ta More
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Published: 01 January 2015
Fig. 13.1 Typical alpha case on titanium alloy surface. Original magnification: 100×. Courtesy of Sikorsky Aircraft More
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Published: 01 December 2000
Fig. 3.6 Microstructure of an alpha-beta titanium alloy (Ti-6Al-4V) after slow cooling from above the beta transus. The white plates are α, and the dark regions between them are β. This is a typical Widmanstätten structure. Optical micrograph; 500x More
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Published: 01 December 2000
Fig. 3.8 Microstructure of an alpha-beta titanium alloy (Ti-6Al-4V) in representative metallurgical conditions. (a) Equiaxed α and a small amount of intergranular β. (b) Equiaxed and acicular α and a small amount of intergranular β. (c) Equiaxed α in an acicular α (transformed β) matrix. (d More
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Published: 01 December 2000
Fig. 6.1 Cast and hot isostatically pressed alpha-beta titanium alloy (Ti-6222S) F-18 ejector block (after chemical milling, blending, and mill repair) More
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Published: 01 December 2000
Fig. 6.9 Fracture toughness of an alpha-beta titanium alloy (Ti-6Al-4V) casting compared to that of plate and other titanium alloys More
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Published: 01 December 2000
Fig. 12.12 Typical microstructure of alpha-beta titanium alloy Ti-6Al-4V solution treated close to the beta transus. 1010 °C (1850 °F), 1 h, encapsulated cool; 500× More
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Published: 01 December 2000
Fig. 12.21 Low-cycle fatigue life of Ti-6Al-4V alpha-beta titanium alloy with different structures: beta forged (100% transformed beta); 10% primary alpha (balance transformed beta); 50% primary alpha More
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Published: 01 December 2000
Fig. 12.23 Low-cycle fatigue properties of alpha-beta titanium alloy Ti-6Al-4V showing effects of notch acuity and time to first crack More